Patent Examiner David S Martin
United States Patent and Trademark Office

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Type: Examiner

David S Martin has presided over the following applications:

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Space Sort Descending Date Filed Case Number Title Space
7/24/2003 10625932 Stairway lift

6/5/2000 09587207 Movable barrier operator having force and position learning ...

12/9/1999 09458486 Electrical Power-assisted Steering Systems

12/1/1999 09230148 Method For Controlling An Asynchronous Machine

11/18/1999 09442679 Brushless Dc Motor Assembly

10/29/1999 09430744 Device For Reducing Electromagnetic Emissions Of A Circuit T...

10/15/1999 09418750 Electronic Driver Circuit With Multiplexer For Alternatively...

10/5/1999 09412506 Controller For Automatic Machine

10/5/1999 09412546 State Advance Controller Commutation Loop For Brushless Dc M...

9/30/1999 09408939 Modular Articulated Robot Structure

9/30/1999 09408949 Bicycle With Power Assisting Function

9/28/1999 09406842 Current-limiting Value Setting Method For Electric-vehicle T...

9/24/1999 09405648 Power Operator For Motor-vehicle Trunk Lid

9/17/1999 09398843 Floppy Disk Drive Control Apparatus Capable Of Ensuring Seek...

9/10/1999 09393166 Electric Actuator

9/7/1999 09391046 Motor Drive Control Apparatus And Method Having Motor Curren...

8/25/1999 09382545 Drive Device Having An Actuating Drive

8/10/1999 09371046 Method Of Estimating Field Pole Position Of Synchronous Moto...

7/29/1999 09363942 Movable Barrier Operator Having Force And Position Learning ...

7/28/1999 09362361 Movable Barrier Having Force And Position Learning Capabilit...

6/4/1999 09325853 Controller For Diesel Electric Locomotive

4/27/1999 09300346 System For Voltage Regulation Of A Voice Coil Motor

4/9/1999 09289343 Modulation Control Type Of Ac Machine

4/5/1999 09285705 Controlled Braking Device For Electric Motors And In Particu...

3/25/1999 09275789 Motor/generator

2/24/1999 09256841 Fan Speed Control System Having An Integrated Circuit Fan Co...

2/8/1999 09245742 Ultrasonic Method And Apparatus For Automatically Controllin...

2/5/1999 09245445 Direct Skew Control And Interlock Of Gantry

2/4/1999 09243938 Cross Coupled Motor Gate Drive

2/1/1999 09240846 Stage System And Exposure Apparatus Using The Same

1/30/1999 09240240 Device For Control Of An Electric Motor Driving A Moving Obj...

1/20/1999 09233545 Method Of Positioning An Actuator

1/19/1999 09234046 Start-up Algorithin For A Brushless Sensorless Motor

12/18/1998 09216449 Staggered Pole Switched Reluctance Motor

12/4/1998 09205844 Waterproof Power Window Device

11/25/1998 09194440 Robot Controller

11/20/1998 09197243 Method And Apparatus For Controlling A Motor In A Mass Stora...

11/18/1998 09193948 Multi-function Vehicle Starter And Alternator And Method The...

11/16/1998 09192347 Sensorless Rotor Tracking Of Induction Machines With Asymmet...

11/13/1998 09191646 Bidirectional Positioning Acutator With Limited Positioning ...

11/9/1998 09187743 Acceleration/deceleration Control Method For Numerical Contr...

10/26/1998 09178760 System For Speed-sensorless Control Of An Induction Machine

10/19/1998 09174443 Servo-motor Driving Method

10/2/1998 09164944 Scr Protection From Stalled Motor Without Current Sensing

9/29/1998 09162950 Alternating Current-starting Device For A Helicopter Turbine...

8/26/1998 09140744 Motor Starting Apparatus For An Engine Driven Generator

8/7/1998 09131046 Apparatus And Method Of Regulating The Speed Of A Dc Brushle...

8/6/1998 09130297 Using Different Frequency Clocks To Clock Counters Of A Driv...

7/13/1998 09101545 Method For The Decentralized Control Of A Motor Drive

6/25/1998 09104449 Actively Controlled Regenerative Snubber For Unipolar Brushl...

6/18/1998 09099450 Velocity Control Device Using Servo Motor

6/4/1998 09077849 Method Of Controlling A Multi-axis Machine Tool

6/2/1998 09077650 Method & Apparatus For Controlling A Physical Parameter

6/1/1998 09088339 Method For Controlling An Electro-hydraulic Power Assist Ste...

6/1/1998 09088049 Energization Controller For An Electric Motor

5/26/1998 09084745 Method For Controlling Motor Speed

5/18/1998 09080641 Motor With Electronic Distributing Configuration

5/15/1998 09080033 Driving Circuit For Switched Reluctance Machines

5/13/1998 09068746 Electrical Power-assisted Steering Systems

5/8/1998 09011755 Method And Apparatus For Control Of Drive Systems For Cycle ...

4/28/1998 09066941 Stepping Motor Driving Apparatus Having Small Time Constant ...

4/23/1998 09064854 Apparatus For Controlling A Pump Motor Of A Forklift Truck

4/9/1998 09057753 Vehicular Electric Window Safety Switch

3/20/1998 09045555 An Electric Assist Steering System Having An Improved Motor ...

3/19/1998 09040943 Device For Detecting Rotor Speed Or Position In A Continuous...

3/19/1998 09044349 Electric Power Steering Controller

3/13/1998 09042145 Control For Electric Motor Operated Vehicle

3/13/1998 09039349 Method And Circuit Arrangement For The Control Of A Motor

3/12/1998 09038839 Numerical Control Unit

3/9/1998 09037046 Control System For An Electric Vehicle

3/4/1998 09034347 Elecric Motor Control Circuit

2/25/1998 09030147 Single Motor Control For Substrate Handler In Processing Sys...

2/23/1998 09028139 Rotor Control For Synchronous Ac Machines

2/20/1998 08981249 Robot With Servo Tool At Front End Of Wrist

2/18/1998 09011844 Mechanical Vibration Detector And Vibration Damping Controll...

2/13/1998 09023948 Movable Barrier Operator Having Force And Position Learning ...

2/9/1998 09020849 Apparatus For Driving Stepper Motor Of Camera

2/9/1998 09020861 Apparatus For Driving Stepping Motor Of Camera

2/4/1998 09018345 Apparatus And Method For Determining Presence Or Absence Of ...

1/30/1998 09016340 Automatic Open-and-close System For A Vehicle Slide Door

1/28/1998 09014752 Two Step Power Output Motor

1/28/1998 09014451 Apparatus And Method For Braking Electric Motors

1/21/1998 09010454 Apparatus For Eliminating Motor Voltage Reflections And Redu...

1/15/1998 09007455 Hvac Fan-powered Terminal Unit Having Preset Fan Cfm

1/15/1998 08983049 Device For Electronically Controlling A Motor Vehicle Displa...

12/30/1997 09000838 Motor-driven Power Steering Apparatus

12/22/1997 08995712 Downhole Pumping System With Variable Speed Pulse-width Modu...

12/22/1997 08996045 Apparatus And Method For Control Of An Earth Moving Implemen...

12/22/1997 08981452 Current Control Method For An Ac Servomotor

12/10/1997 08988051 Digital Control For Revolving Speed Of Dc Motor

12/8/1997 08986344 Method Of Controlling An Automotive Mirror

12/5/1997 08986154 Hysteresis Current Controller For A Reluctance Machine

11/25/1997 08978316 Method And Apparatus For Control Of A Switched Reluctance Mo...

11/24/1997 08976936 Noise Reduction In A Switched Reluctance Motor By Current Pr...

11/21/1997 08976173 Segmented Drive System For A Binding Line

11/18/1997 08972422 Stage Apparatus

11/18/1997 08952345 Device And Process For Electronic Monitoring Of An Adjustmen...

11/17/1997 08952541 Control Constant Identification System

10/23/1997 08957316 Movable Barrier Operator Having Force And Position Learning ...

10/8/1997 08946937 Pwm/pam Control Mode Switching Type Motor Control Apparatus,...

9/30/1997 08975414 Arm Drive Device For Industrial Robot

9/4/1997 08894843 Ac Motor With Reactor Interposed Between Ac Motor And Power ...

9/2/1997 08922255 Electric Drive System And Method

8/25/1997 08917401 Servo Motor Controller Using Position Interpolation

8/19/1997 08914450 Door Operating System

8/14/1997 08911034 Device For Automatically Controlling The Closure Of A Slidin...

7/30/1997 08903540 Method And Device For Driving A Self-timing Stepping Motor

7/29/1997 08902354 Monitoring Power Supply Voltage To Hard Disk Drive

7/7/1997 08889045 Method And Apparatus For Ac Servo Motor Control

7/1/1997 08886372 Method And Apparatus For Adaptive Control Of A Vehicle Power...

6/27/1997 08884553 Motor Control Circuit

6/26/1997 08793549 Method And Device For Controlling Tilting Angles Of Motor-dr...

6/19/1997 08878846 Industrial Robot

6/17/1997 08877737 Method And Apparatus For Starting Motors

6/16/1997 08876833 Electromagnetic Fluid Pump For Engines

6/16/1997 08860140 Device For Control Of The Speed Of A Series Motor

6/13/1997 08874868 Power Down Brake Latch Circuit For A Brushless Dc Motor

6/11/1997 08872942 Gate Operator Method And Apparatus With Self-adjustment At O...

6/4/1997 08869213 Method Of Detecting The Angle Of Rotation And Load Torque Of...

5/30/1997 08866346 Driving Circuit System Constituted By The Multiple Dc Power ...

5/29/1997 08865431 Motor Drive System Controlled By A Phase Accumulator And Met...

5/29/1997 08849151 Apparatus For Obtaining Three-phase Position Detection Signa...

5/27/1997 08863341 Phase Detecting Circuit Of Brushless Motor And Magnetic Reco...

5/15/1997 08856588 Method And Apparatus For Sensor-less Control Of Permanent Ma...

5/15/1997 08856950 Device For Shutting Off Current Through A Motor Start-up Cir...

5/12/1997 08854501 Library Apparatus Having A Motor Driving Control Including A...

4/30/1997 08846442 Backlash Elimination In The Drivetrain Of An Electric Vehicl...

4/22/1997 08837817 Motor Control System Especially For Control Of An Optical Sc...

4/22/1997 08838051 Method And Apparatus For Controlling An On-vehicle Stepping ...

4/15/1997 08839741 Protection Apparatus For Brushless Motor

4/3/1997 08832247 Solid State Motor Speed Control

3/28/1997 08826044 Method For Controlling Acceleration/deceleration Of An Induc...

3/27/1997 08827154 Method For The Positioning Of An Actuator

3/5/1997 08811853 Variable Speed Ac Motor Drive For Treadmill

2/20/1997 08804164 Starter Motor Control Circuit And Method

2/11/1997 08798250 Method And Apparatus For Detection, Classification And Reduc...

2/11/1997 08802341 Control Circuits Of An Apparatus For Physical Exercises

2/5/1997 08795848 Servo Device Having Plural Servo Systems

2/4/1997 08794948 On Board Power Regeneration System For Electrically Operated...

1/28/1997 08789048 Power Window Switch Which Incorporates Express Up/down And W...

1/27/1997 08788642 Drive For Electric Vehicle And Control Method Of The Same

1/22/1997 08785302 Deformable System

1/6/1997 08779050 Electrochemical Radial Cell Engine

1/2/1997 08778000 Motor Drive Apparatus Including Braking Means

12/31/1996 08775308 Controller For Power Device And Drive Controller For Motor

12/19/1996 08769943 Using Different Frequency Clocks To Clock Counters Of A Driv...

12/5/1996 08761748 Capacitively Powered Motor And Constant Speed Control Theref...

12/3/1996 08760138 Path Finding Method For A Self-propelled Mobile Unit

11/29/1996 08750043 Control Device For Motor Driving System

11/26/1996 08750139 Method For Determining The Rotational Speed, Magnitude And I...

11/21/1996 08754514 Air Conditioner And Inverter Driving Circuit Therefor

11/13/1996 08748644 Three-speed Dual-winding Direct Current Permanent Magnet Mot...

11/8/1996 08746348 Positioning Apparatus

11/7/1996 08746251 Single-phase Motor Starters

11/7/1996 08744686 Method For The Control If A Motor

11/6/1996 08746140 Method Of Controlling Automatic Door Opening/closing Apparat...

11/6/1996 08746143 Control Method For An Automatic Door Opening/closing Apparat...

11/4/1996 08743365 Position Detecting Apparatus And Method Therefor

11/4/1996 08742697 Motor Control Circuit Equipped With Correction Means Therein

11/1/1996 08742740 Dc-motor Driven Vending Machine Having Simplified Controls

11/1/1996 08742914 Papermaking Fabric With Basalt Fibers

10/31/1996 08742941 Motor Control Circuit

10/28/1996 08739050 Motor Driving Apparatus

10/23/1996 08736341 Method And Apparatus For Slowing Back Spin Of A Rod String O...

10/23/1996 08736346 Control Apparatus For Electric Vehicle

10/15/1996 08734241 Current Control Circuit For A Reluctance Machine

10/9/1996 08722042 A Welding Robot With Base Stand Having Self Contained Weldin...

10/7/1996 08731175 Recording Apparatus With A Step Motor Controlling Mechanism

10/2/1996 08733242 Method For Reducing Acoustic And Vibration Energy Radiated F...

9/27/1996 08721449 Tracing Control Method And Apparatus

9/20/1996 08710742 Method And Apparatus For Controlling An Electric Assist Moto...

9/20/1996 08710762 Method Of Controlling Electric Vehicle Driven By An Internal...

9/19/1996 08715826 Precision Tool Control System For A Workpiece Positioning Ap...

9/18/1996 08715482 Poly Phase Induction Electrical Rotating Machine

9/18/1996 08714148 Method For Controlling The Operating Voltage Of A Fan In Ele...

9/10/1996 08709843 Control System For Permanent Magnet Synchronous Motor

8/29/1996 08705444 Electro-start Motor Switch

8/26/1996 08703015 Movable Barrier Operator Having Force And Position Learning ...

8/21/1996 08571943 Controlling Device

8/16/1996 08698946 Position Control Unit For Electric Motor

8/8/1996 08694372 Actuator With Start-stop Operation

8/7/1996 08692947 Dc Shunt (or Compound) Motor Pair Capable Of Synchronous Ope...

8/5/1996 08695148 Position Control Using Variable Exciter Feed Through

7/24/1996 08685857 Brushless Motor Drive Circuit Including A Linear Amplifier F...

7/19/1996 08683843 Synchronous Drive System For Automated Textile Drafting Syst...

7/18/1996 08683423 Electric Vehicle Power Feed System

7/11/1996 08680250 Agitation Period Control Of Laundry Machine Motor

7/9/1996 08677253 Lens Controlling Apparatus

7/2/1996 08677346 Time-compensated Overcurrent Detection Circuit For Dc Motor

6/20/1996 08667143 Select Positioning Power Window Switch

6/10/1996 08661139 Microprocessor Based Motor Control System With Phase Differe...

6/7/1996 08659944 Method And Apparatus For Controlling Multiple Motor Drive Of...

5/30/1996 08655447 Apparatus For Operating A Windshield Wiper

5/28/1996 08657039 Micropositioning Device For Disk Head Testing System

5/28/1996 08652649 Arrangement For Operating A Wiper

5/21/1996 08651842 Vehicle Drive Control System

5/16/1996 08648946 Circuit Arrangement For Powering A Load

5/13/1996 08645440 Circuit Arrangement For Powering A Two-phase Asynchronous Mo...

5/7/1996 08646046 Control Apparatus For Brushless Dc Motor

5/7/1996 08644648 Circuit Board Unit For Driving And Controlling Motor That Dr...

5/2/1996 08641967 Controller For Turboalternator

5/2/1996 08643128 Downhole Pumping System With Variable Speed Pulsewidth Modul...

5/2/1996 08642131 Power Control Architecture For A Hybrid Power Source

5/2/1996 08642132 Time Delay Compressed Synchronous Frame Controller

5/2/1996 08642162 Dc Pump Drive Module

4/15/1996 08632775 Compact Sheet Cutter For A Document Reproduction Machine

4/12/1996 08635240 Method And Apparatus For Controlling A Switched Reluctance M...

4/10/1996 08962948 Starting-point Returing Apparatus For Robot

4/1/1996 08625135 Gate Operator With Extensible Actuating Arm

3/27/1996 08625396 Surgical Tool System With Brushless, Sensorless Motor

3/27/1996 08623347 Brushless Dc Motor Drive Apparatus

3/25/1996 08622186 Method For Detecting The Position, Direction Of Rotation And...

3/22/1996 08619648 Drive Assembly For Power Operated Doors

3/15/1996 08617653 Double Direction Actuating Type Tool Of Loose Forward And Lo...

3/13/1996 08596913 Method For Controlling An Electric Drive Of A Vehicle

3/7/1996 08610799 Wiper Motor And Delay Control With Windshield Washer Pump

3/6/1996 08571949 Method And Apparatus For Controlling A Drive In A Machine To...

3/4/1996 08609894 Device For Manipulating Objects In A Gripper Or The Like

2/29/1996 08604936 Process For Reducing The Strength Of An Uncontrolled Pointer...

2/29/1996 08608987 Control System For Glassware Forming Machine

2/9/1996 08599132 Sensor-less Control Apparatus For Permanent Magnet Synchrono...

2/6/1996 08597343 Speed Control Device For Electrical Motor-driven Apparatus

1/30/1996 08594041 Segmented Drive System For A Binding Line

1/29/1996 08593336 Backlash Compensation Method For Semi-closed-loop Type Servo...

1/26/1996 08592601 Braking Control System For An Electrical Vehicle

1/25/1996 08591103 Driving Electrical Machine Speed Controlled Power Combined S...

1/11/1996 08584442 Servo Control Apparatus And Method For Video Cassette Tape R...

1/11/1996 08584176 Method And Apparatus For Controlling Synchronous Motor

1/5/1996 08583567 Bag Neck Gathering Stop

1/3/1996 08582532 Control System For Electrically Operated Power Steering Appa...

1/3/1996 08582242 Method And Apparatus For Registering A Sheet With An Image-b...

12/29/1995 08582848 Method For The Closed-loop Control Of An Automatic Door Whic...

12/27/1995 08579130 Fail-safe Control Apparatus For Electric Vehicle Driving Mot...

12/13/1995 08571443 Constant Delay Filtering For Synchroznized Motion On Multipl...

12/12/1995 08571136 Pole Change Induction Motor And Control Apparatus And Method...

11/30/1995 08565225 Motor Speed Detecting Device

11/27/1995 08563036 Power Window Apparatus For Vehicle

11/16/1995 08558737 Programmable Dual-phase Digital Motor Control With Sliding P...

11/3/1995 08552843 Power Conversion Control System For Plural Electric Motors A...

11/3/1995 08552640 System And Method For Controlling Vehicle Sliding Door

10/30/1995 08545643 Method And Arrangement For Controlling An Induction Motor

10/24/1995 08547237 Motor Controller

10/23/1995 08546838 Tape Drive With High Performance Gain Amplifier Using Radio ...

10/19/1995 08545107 System For Generating Electricity In A Vehicle

10/10/1995 08541837 Method For Controlling An Electric X-y Shifting Mechanism Fo...

10/5/1995 08539440 Motor Driving Circuit And Method For Driving Two Motors

9/28/1995 08535730 Tool Change Apparatus For Changing The Tools Of A Machining ...

9/21/1995 08531436 Modulation Control Type Of Ac Machine

9/20/1995 08530839 Method And Apparatus For Control Of A Switched Reluctance Mo...

9/19/1995 08530043 Electric Drive System And Method

9/8/1995 08525830 Brushless Dc Motor Unit And Method Of Driving The Unit

9/5/1995 08531569 Starter Motor Control Circuit And Method

8/30/1995 08521540 Method And Apparatus For Adaptive Control Of A Vehicle Power...

8/25/1995 08520167 Noise Reduction In A Switched Reluctance Motor By Current Pr...

8/24/1995 08521374 Cmos Disk Drive Motor Control Circuit Having Back-emf Blocki...

8/11/1995 08514135 Electric Power Steering Controller With Failure Detecting Fu...

7/31/1995 08509063 Dc Motor And Controlling System Therefor

7/27/1995 08507934 Servo Motor Controller Using Position Interpolation

7/24/1995 08506048 Method Of Starting A Brushless Motor For Driving A Compresso...

7/21/1995 08505534 Method And Apparatus For Ac Servo Motor Control

7/12/1995 08501643 Power Supply To A Stator Of A Polyphase Reluctance Machine

7/7/1995 08499135 Controller For Electric Vehicle

6/29/1995 08496731 Power Down Brake Latch For A Brushless Dc Motor

6/7/1995 08485651 System And Method For Velocity Control Of A D.c. Motor

6/7/1995 08486937 Angle Firing Controller And Method Of Controlling A Switched...

6/7/1995 08486940 Method And Apparatus For Increasing The Starting Torque Of A...

6/6/1995 08467039 Movable Barrier Operator Having Force And Position Learning ...

6/1/1995 08456849 Process And Circuits For Determining Machine-related Electro...

5/31/1995 08455031 Position Detecting Apparatus And Method Therefor

5/30/1995 08374546 Arm Drive Device For Industrial Robot

5/22/1995 08445938 Controller For Permanent Magnet Synchronous Motor

5/19/1995 08444440 Constant Air Flow Control Apparatus And Method

5/4/1995 08435001 Solid State Motor Speed Control

5/3/1995 08434176 Actuator Having Electronically Controllable Tactile Responsi...

4/25/1995 08428034 Path Finding Method For A Self-propelled Mobile Unit

4/20/1995 08426116 Electric Vehicle Torque Controller

4/14/1995 08422641 Wiper Motor And Delay Control With Winshield Washer Pump

4/10/1995 08419737 Control Apparatus For Controlling Motor Of Air Conditioner

4/7/1995 08418936 Control System For Electric Drive Riding Mower

4/3/1995 08416454 Stage Apparatus

4/3/1995 08415737 Motor Driving Apparatus

4/3/1995 08415740 Inertia Lowering Control Apparatus Capable Of Suppressing Ax...

3/31/1995 08415236 Variable Speed Ac Motor Drive For Treadmill

3/30/1995 08413543 Deformable System

3/30/1995 08413638 Inverter Operation Command Apparatus

3/30/1995 08414035 Industrial Robot With Servo

3/29/1995 08406932 Method For Controlling A Stepping Motor

3/27/1995 08411134 Drive Arrangement For Fault Tolerant Variable Speed Inductio...

3/23/1995 08409136 Method For Controlling The Torque Of An Asynchronous Machine

3/20/1995 08407443 Signal Averager For Use With Motor Controller

3/10/1995 08402039 Digital-controlled Actuator For Use In Adjustment Of An Open...

3/8/1995 08400838 Motor Drive Apparatus

3/6/1995 08398538 Method For Controlling Acceleration/deceleration Of An Induc...

2/28/1995 08395646 Method And Apparatus For Operating Polyphase Dc Motors Using...

2/28/1995 08396071 Motor Control Circuit Equipped With Correction Means Therein

2/24/1995 08393737 Device For Longitudinal Positioning Of A Vehicle Seat

2/22/1995 08392036 Cold Therapy System With Intermittent Fluid Pumping For Temp...

2/17/1995 08389999 Controlled Braking Device Electric For Electric Motors And I...

2/16/1995 08389570 High-speed Constant-horsepower Motor

2/6/1995 08383640 Control Function-power Operated Lift Gate

2/6/1995 08384225 Control Unit Capable Of Improving A Response Characteristic ...

1/27/1995 08379740 Positioning Apparatus And Method With Virtual Transmission

1/24/1995 08378034 High Frequency Control Circuit For Dc Motors, Particularly F...

1/24/1995 08377431 System For Controlling A Brushless Dc Motor

1/17/1995 08373435 Controller For Power Device And Drive Controller For Motor

1/9/1995 08370394 Electrical Power Tool Having A Motor Control Circuit For Inc...

1/6/1995 08369497 Electrical Power Tool Having A Motor Control Circuit For Pro...

1/5/1995 08369170 Medical Instrument With Programmable Torque Control

12/23/1994 08362837 Electric Power Steering Apparatus

12/20/1994 08359818 Brushless Permanent Magnet Motor For Use In Remote Locations

12/19/1994 08359238 Precision Tool Control System For A Workpiece Positioning Ap...

12/14/1994 08355735 Brushless Dc Motor Speed Controller

12/12/1994 08355337 High-availability Multicurrent Power Supply System For The T...

12/8/1994 08352239 Air Conditioner And Inverter Driving Circuit Therefor

12/7/1994 08350737 Method Of Operating An Ac Induction Motor Via Independent Sy...

11/30/1994 08351131 Current Mirror Circuit Constituted By Fet (field Effect Tran...

11/28/1994 08351044 Control System For Compact Disc Phonograph

11/25/1994 08345032 Compact Sheet Cutter For A Document Reproduction Machine

11/25/1994 08345976 Power Tool With Slide Switch

11/23/1994 08345012 Method For The Control Of A Motor

11/22/1994 08343275 Cmos Disk Drive Motor Control Circuit Having Back-emf Regula...

11/17/1994 08343887 Power Factor Corrector For A.c. Induction Motors

11/17/1994 08343938 Nc Device Controlling Machining Processes With Pre- And Post...

11/16/1994 08340232 Apparatus For Feedback Of An Analog Signal Used To Monitor A...

11/9/1994 08336536 Method And Apparatus For Controlling Spindle Motor

11/7/1994 08335320 Modular Electrical System For Device Units

11/7/1994 08336238 Control Method Of Motor

11/4/1994 08334231 Method And Apparatus For Controlling An Electric Assist Moto...

11/4/1994 08334243 Method And Apparatus For Controlling An Electric Assist Stee...

10/31/1994 08331738 Power Supply Apparatus For Electric Vehicle

10/27/1994 08329780 Series (or Compound) Motor And Control Circuit For Adjusting...

10/24/1994 08328030 Method And System For Maneuvering A Mobile Robot

10/21/1994 08326832 Speed Estimation Observer Applied To Speed Control System Fo...

10/18/1994 08324935 Method Of And Apparatus For Guiding Microrobot

10/17/1994 08321892 Motor Control System Mounted On A Motor Casing

10/3/1994 08317634 Driving Electrical Machine Speed Controlled Power Combined S...

10/3/1994 08316935 Method For The Positioning Of An Actuator

9/30/1994 08316232 Motor Speed Control With Current Limit

9/23/1994 08311633 Load Limit System For Mechanical Linear Actuator

9/9/1994 08303373 Ac/dc Unity Power-factor Dc Power Supply For Operating An El...

8/25/1994 08295735 Device For Manipulating Objects

8/19/1994 08293039 Automatic Control Of Torque Or Force At Moving Loads

8/19/1994 08292762 Feedforward Control Method For A Servomotor

8/18/1994 08292193 Braking Control System For An Electric Vehicle

8/16/1994 08291239 Voltage, Phase And Frequency Control By Miniature Inverter S...

8/12/1994 08289559 Method Of Controlling Electric Vehicle Driven By An Internal...

8/10/1994 08288031 Method And Apparatus For Driving And Controlling Synchronous...

8/8/1994 08286941 System For Generating Electricity In A Vehicle

8/8/1994 08287129 Digital Power Optimization System For Ac Induction Motors

8/2/1994 08284234 High-speed Constant-horsepower Motor

8/2/1994 08284160 Dc/ac Inverter Apparatus For Three-phase And Single-phase Mo...

7/29/1994 08282223 Stage Apparatus

7/29/1994 08282434 Method And Apparatus For Controlling An Electric Motor With ...

7/28/1994 08281570 Device For The Transmission Of Electrical Power Signals To A...

7/28/1994 08281635 Control Apparatus For Reversible Motor And Motor-driven Powe...

7/20/1994 08277977 Frequency Control Method For Inverter And Apparatus Therefor

7/15/1994 08275645 Method And Apparatus For Starting Polyphase Dc Motor

7/8/1994 08272718 Method And Apparatus For Current Regulating In A Voltage-inj...

7/7/1994 08271642 A Brushless Motor Drive Circuit Including A Linear Amplifier...

7/6/1994 08267930 System And Method For Controlling Induction Motor Applicable...

7/1/1994 08256238 Numerical Control System

6/21/1994 08263172 Controlled Braking Device For Electric Motors And In Particu...

6/21/1994 08244999 Numerical Control Device For Predicting A Machining Terminat...

6/17/1994 08261840 Automated Actuator For Sliding Panels

6/17/1994 08261540 Method And Device For Controlling The Speed Of The Brushless...

6/15/1994 08259836 Induction Motor Control Apparatus Providing High Efficiency ...

6/13/1994 08258762 Lens Controlling Apparatus

6/6/1994 08244636 Control Method For An Alternating Current Motor

6/6/1994 08244651 Driver Circuit And A Driving Method For A Variable-reluctanc...

6/2/1994 08254242 Moisture Activated Window Closer

5/31/1994 08250920 Direct Current Motor Speed Control Apparatus

5/19/1994 08246138 Automatic Speed Servo-control Apparatus For Electrically Pow...

5/18/1994 08246230 Electric Power Train Control

5/17/1994 08244139 Control System For Glassware Forming Machine

5/11/1994 08240932 Method And Apparatus For Detecting The Position, Direction O...

5/2/1994 08236668 Amplifier And Method For Detecting The Bemf Of A Coil Of A P...

4/21/1994 08230739 Linearizing Decoupling Controller For Electric Motors

4/21/1994 08230638 Method For Open-loop And Closed-loop Control Of An Electric ...

4/19/1994 08229641 Method Of Controlling Start Of Compressor In Refrigerating C...

4/14/1994 08227483 Three-dimensional Laser Coordinate Transformation System

4/12/1994 08226540 Method And Apparatus For Current Rebalance In Induction Moto...

3/29/1994 08219540 Process And Device For Monitoring Objects

3/28/1994 08218466 Method And Apparatus For Determining Reverse Rotation Of A P...

3/21/1994 08216152 Regulation System For Decoupled Efficiency Optimized Operati...

3/14/1994 08212714 Dc Shunt (or Compound) Motor And Its Related Circuit With Co...

3/3/1994 08205840 Servo Motor Controller Using Position Interpolation

2/28/1994 08203132 Roll-tape Knife Control For A Tape-cutting Apparatus In A Ma...

2/28/1994 08203459 Method For Controlling Speed In A Tape Feeding, Cutting And ...

2/28/1994 08202828 Circuit And Method To Avoid High Current Spikes In Stator Wi...

2/28/1994 08203519 Load Current Sampling Technique

2/18/1994 08198478 Acceleration Controller For Laundry Machine Motor

2/7/1994 08192625 Method And Apparatus For Symmetrical Current Starting Of Pol...

2/2/1994 08190538 Electric Vehicle Power Feed System

1/28/1994 08187526 Electric Vehicle Torque Controller

1/28/1994 08187532 Noise Reduction In A Switched Reluctance Motor By Current Pr...

1/27/1994 08187941 Direct Drive Servovalve Having Two Landed Spool Power Stage

1/27/1994 08186971 Electric Throttle And Motor Control Circuitry

1/18/1994 08183460 Solid State Motor Speed Control

1/14/1994 08181532 Recording Apparatus

1/10/1994 08180771 A Speed Controller Or An Instrument Having A Speed Controlle...

12/30/1993 08175536 Method And Apparatus For Maintaing A Constant Tension On An ...

12/21/1993 08170817 Apparatus For Driving And Controlling Motor

12/16/1993 08167361 Sensorless Switched Reluctance Motor

12/15/1993 08167737 Dental Device Having Sensorless Brushless Motor With Digital...

12/14/1993 08166743 Low Current Compensation Control For Thyristor Armature Powe...

12/3/1993 08160864 Starting Device For A Single Phase Induction Motor

12/2/1993 08157050 Pole-changing Asynchronous Fan Motor With Continuously Adjus...

11/17/1993 08153039 Motor Speed Detecting Device

11/15/1993 08153338 Variable Air-gap Type Driving Device

11/12/1993 08150727 Power-off Motor Deceleration Control System

11/12/1993 08150731 High Performance Power Amplifier

11/10/1993 08149930 An Apparatus For Driving Two Motor

11/10/1993 08150275 Stage Apparatus

11/5/1993 08147941 Adjustable Chair Having Programmable Control Switches

11/2/1993 08129118 Methods And Circuit Arrangements For Determining Machine-spe...

10/29/1993 08146627 Speed Control Circuit For A Dc Motor

10/20/1993 08139439 Speed Control Arrangements For Electric Motors

10/15/1993 08137893 Industrial Robot With Servo

10/14/1993 08136019 Magneto-optical Memory Element

10/13/1993 08133127 Spindle Positioning Method

10/7/1993 08133638 Control Device For Motor-driven Telescopic Antenna

10/5/1993 08131822 Cmos Disk Drive Motor Control Circuit Having Back-emf Blocki...

10/5/1993 08131827 Cmos Disk Drive Motor Control Circuit Having Back-emf Regula...

10/1/1993 08130642 Thyristor Based Dc Link Current Source Power Conversion Syst...

9/30/1993 08129284 Ribbon Sensing Device For Bag Tyer

9/29/1993 08128831 Zoning Circulator Controller

9/27/1993 08127243 Bag Neck Tying Device

9/16/1993 08121896 Method For Measuring Characteristic Constants Of Alternating...

9/14/1993 08121223 Rotation Drive Device

9/14/1993 08120343 Stepping-motor Driving System

9/8/1993 08118025 Circuit For Increasing Motor Output To Compensate For Increa...

9/2/1993 08115237 Voice Coil Motor Control Circuit And Method For Servo System...

8/26/1993 08112036 Control System For Sensorless Brushless Dc Motor

8/18/1993 08109332 Modular Electrical System For Drive Units

8/12/1993 08104530 Method For The Control Of A Motor

8/9/1993 08103139 Control Unit Capable Of Improving A Response Characteristic ...

7/20/1993 07946431 Method For Animating Motor-driven Puppets And The Like And A...

7/8/1993 08087416 Series (or Compound) Motor And Control Circuit For Adjusting...

7/6/1993 08087932 Electrical Power Tool Having A Motor Control Circuit For Inc...

7/2/1993 08050436 Feedforward Control Method For A Servomotor

7/2/1993 08084942 Motor Control Circuit Equipped With Correction Means Therein

6/24/1993 08082040 Device For Speed Stabilization Of A Motor Employing Phase Co...

6/15/1993 08077338 Drive Module For Machine

6/14/1993 08078136 Brushless Permanent Magnet Motor For Use In Remote Locations

6/11/1993 08076433 Motor Control System Having Improved Dynamic Braking

6/11/1993 08076439 Control System For Unidirectional Motor Having Improved Dyna...

6/11/1993 08076344 Actuator Having Electronically Controllable Tactile Responsi...

6/4/1993 08072135 Sequence, Timing And Synchronization Technique For Servo Sys...

6/3/1993 08070834 Electronic Device For Starting A Synchronous Motor With Perm...

5/24/1993 08065232 Apparatus For Automatically Adjusting Offset Correction Valu...

5/11/1993 08060039 Adaptive Control System

5/7/1993 08058732 Method For Controlling A Manipulator Relative To A Moving Wo...

4/29/1993 08053689 Electronic Damping System

4/23/1993 08052640 Suspended Moving Target System

4/23/1993 08051241 Motor Drive Unit Used For Camera And Accessory Thereof

4/22/1993 08051630 Motor Drive Device Using One-two Phase Excitation

4/19/1993 08049130 Self-synchronous Motor And Electrical Traction System Using ...

4/19/1993 08049131 Self-synchronous Electrical Motor

4/14/1993 08047534 Predictive Electric Motor Positioning Device, Calibration Sy...

3/18/1993 08034707 Systems And Methods For Managing Energy Of Electric Power Su...

3/17/1993 08032136 Dynamic Current Feedback Magnetizing Type Shunt Or Series Or...

3/8/1993 08027836 Motor Controls

2/26/1993 08023537 Electric Continuously Variable Transmission And Controls For...

2/9/1993 08015681 Method Of Control For An Industrial Robot

1/27/1993 08009416 Rotation Drive Device

1/19/1993 08006149 Method Of Generating Robot Control Axis Position Data

1/7/1993 08001331 Wiper Motor And Delay Control With Windshield Washer Pump

12/18/1992 07993936 Electronic Braking Device For Asynchronous Motors

12/17/1992 07992075 Method And Apparatus For Operating Polyphase Dc Motors Using...

12/16/1992 07991337 Device For Preventing The Burning Of A Coil For A Brushless ...

12/10/1992 07988635 Position Control For Hybrid Servomechanisms

12/9/1992 07987834 Self Adjusting Motor Positioning System And Method

12/4/1992 07949830 Tracing Control System

11/13/1992 07946430 Controlled Motor

11/9/1992 07973564 Closed Loop Control Of A Brushless Dc Motor At Nominal Speed

10/16/1992 07962136 Power-factor Corrector For A.c. Induction Motor

10/9/1992 07934739 High-speed Reluctance Type Motor

10/9/1992 07934743 Drive Assistance Device For A Golf Buggy

9/11/1992 07944048 Speed And Mode Control For A Blender

8/6/1992 07925212 Method Of Controlling Printer

7/31/1992 07923237 Method And Apparatus For Detecting Velocity Profiles Of A Sp...

7/29/1992 07927542 Information Recording Disk

7/21/1992 07916271 Flexible Disk Drive Device

7/21/1992 07917886 Motor Control For A Treadmill Having Improved Power Supply A...

7/17/1992 07916037 Motor Control Having Improved Speed Regulation Under Intermi...

7/15/1992 07913334 Electrical Arrangements In Power Tools And Switches

7/2/1992 07877176 Direct Current Motor

6/30/1992 07906511 Slew Rate Circuit For High Side Driver For A Polyphase Dc Mo...

6/25/1992 07904486 Apparatus And Method For Controlling Speed Of Suction Motor ...

6/24/1992 07903402 Method And Apparatus For Controlling A Dc Electric Motor

6/22/1992 07862532 Three-dimensional Laser Coordinate Transformation System

6/17/1992 07899764 Integrated Motor Controller

6/8/1992 07895098 Motor Control Device For Controlling Motor Speed Depending O...

6/3/1992 07893060 Procedure For Filtering The Speed Feedback Signal

5/29/1992 07890944 Agc With Non-linear Gain For Pll Circuits

5/28/1992 07889336 Device For Attenuating The Periodic Vibrations Of A Mechanic...

5/20/1992 07885763 System And Method For Controlling The Speed Of An Electric M...

5/19/1992 07942681 Dc Motor Control In Electronic Sewing Machine

5/18/1992 07887556 Circuit For Driving Reel Motor Of Videotape Recorder

5/13/1992 07882197 Method And System For Actuator Control For Direct Access Sto...

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