Patents
Patents for G05D 13 - Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover (2,129)
08/1980
08/26/1980CA1084362A1 Governor for controlling hydraulic transmission
08/19/1980CA1084146A1 Reel to reel web transport control apparatus
08/05/1980US4216520 Speed restriction control device for vehicles, particularly motor vehicles
08/05/1980US4216419 Tachometer system
07/1980
07/29/1980US4214437 Speed adjust
07/22/1980US4214299 Frequency-voltage converter
07/15/1980US4212279 Electronic-mechanical governor for diesel engines
07/01/1980US4210943 Automatic tracking servo control system
07/01/1980CA1080824A1 Tension device for a rolling mill and the like
06/1980
06/25/1980EP0012619A2 Machine tool drive motor control system
05/1980
05/29/1980WO1980001115A1 Cigarette and cigarette filter making machines
05/28/1980EP0011510A1 Cigarette and cigarette filter making machines
05/28/1980EP0011099A1 Impulse generator for drives
05/27/1980US4204510 RPM Governor for fuel injected internal combustion engines
05/27/1980CA1078453A1 Hgh stability digital head servo for video recorders
05/13/1980US4202424 Automobile speed control system
05/06/1980US4202019 Timing circuit and method for a track following servo in a data storage system
04/1980
04/29/1980CA1076697A1 Arrangements for time base error compensation
04/22/1980US4198933 Governor system for internal combustion engines
04/22/1980US4198882 Automatic transmission digital control system
04/08/1980US4196787 Desired speed signal memory circuit for an automobile speed control system
04/08/1980CA1075349A1 Incremental digital control circuit
04/02/1980EP0009443A1 Digital comparator of the angular speed and motor control comprising such a device
04/01/1980US4196466 Speed responsive systems
04/01/1980US4196376 Rotary speed ratio control arrangement
03/1980
03/25/1980US4194520 Two stage hydraulic governor
03/25/1980US4194518 Governor having ability of removing dust from working fluid in automatic transmission
03/18/1980US4194144 Constant velocity driving means
03/11/1980US4193020 Phase lock control system with trajectory correction
02/1980
02/26/1980US4190026 Automobile speed control method and system
02/21/1980WO1980000277A1 Digital device for regulating the running speed of a motor vehicle
02/19/1980US4188926 Automotive internal combustion engine servo control system, particularly for automatic speed control arrangement
02/19/1980CA1072203A1 Magnetic recording system
02/12/1980US4187734 Electric regulating device
02/05/1980US4187452 Electromechanical torsional oscillator with resonant frequency and amplitude control
02/05/1980US4186675 Device for driving information carrying members for use in a sewing machine
02/05/1980CA1071325A1 Head to track alignment in a rotating head magnetic tape unit
01/1980
01/22/1980US4185203 Closed loop rotational speed control system for twin-shaft type gas turbine electric generator
01/22/1980US4184819 Secondary speed sensor for governed air grinders
01/15/1980US4184108 Self-regulating electronic tachometer
01/08/1980CA1069613A1 Magnetic recording system
01/01/1980US4181138 Governor valve assembly for automatic transmission units
12/1979
12/27/1979WO1979001151A1 Improvements in and relating to vehicles speed control systems
12/25/1979US4180859 System for measuring the speed of rotation of a synchro by means of a sampling technique
12/18/1979CA1068397A1 Method and apparatus for measuring the speed at which a tape was recorded
12/12/1979EP0005994A1 Improvements in and relating to vehicle speed control systems
12/11/1979US4178560 Phase comparator arrangement for controlling an electrical member
12/11/1979US4178137 Pressure regulator for a fluid pump
12/11/1979CA1067997A1 Servo system for controlling the position of a reading head
12/04/1979US4177411 Speed-and-phase control circuit for a rotary machine
11/1979
11/20/1979US4174724 Flow valve
10/1979
10/30/1979US4172505 Method and apparatus for eliminating transmission jolt in motor vehicles
10/30/1979CA1065479A1 Method and apparatus for aligning read/write heads in a disc recorder
10/30/1979CA1065476A1 Magnetic recording and reproducing device
10/30/1979CA1065229A1 Control device for the speed control of pneumatic and/or hydraulic working pistons
10/23/1979CA1065036A1 Apparatus for controlling the traveling speed of a motor vehicle
10/23/1979CA1065017A1 Digital-analog frequency error signaling
10/18/1979WO1979000808A1 Device for measuring the frequency of a pulse generator and digital control system comprising such a device
10/16/1979CA1064614A1 Adaptive gain control in an incrementing magnetic tape transport
10/16/1979CA1064611A1 Servo information pattern for rotating head magnetic tape unit independent of amplitude
10/16/1979CA1064609A1 Magnetic record member for use with rotating head magnetic recording apparatus
10/09/1979US4170274 Device for regulating the traveling speed of a motor vehicle
10/02/1979CA1063727A1 Turntable speed control system
09/1979
09/25/1979CA1063163A1 Electromechanical torsional oscillator with resonant frequency and amplitude control
09/04/1979US4166514 Devices for controlling a speed restriction for vehicles, particularly motor vehicles
08/1979
08/28/1979CA1061461A1 Data storage apparatus
08/28/1979CA1061203A1 Governor device
08/21/1979US4165523 Automatic scan tracking using an additional sensing means on a bimorph
08/21/1979CA1060878A1 Extended life functional fluid
08/14/1979US4164235 Governor for controlling hydraulic transmission
08/07/1979US4163994 Automatic head tracking system utilizing transducer deflecting means and synchronous demodulation of the envelope signal
07/1979
07/31/1979US4163262 Helical video tape recorder arrangement suitable for high quality editing
07/31/1979CA1059618A1 Servo-control system for signal recording and/or reproducing apparatus
07/24/1979US4161994 Speed regulating device for motor vehicles
06/1979
06/26/1979CA1057395A1 Magnetic recording and reproducing system with tape-to-head speed control
06/19/1979US4158307 Governor rotor assembly
06/19/1979CA1056934A1 Vehicle speed control circuit
06/12/1979US4158192 Releasing device for an automatic fixed speed driving system
06/12/1979CA1056482A1 Printed pattern and embossed pattern registration control system
06/05/1979US4157126 System for regulating the traveling speed of a motor vehicle
06/05/1979CA1055741A1 Pressure-responsive speed control for dental handpieces
05/1979
05/30/1979EP0002133A1 Positioning servo mechanism
05/29/1979CA1055564A1 Adaptive control circuit for a stepping motor
05/22/1979US4156257 Motor control circuit for tape drive unit
05/22/1979US4155426 Digital speed pattern generator
05/22/1979US4155419 Apparatus for controlling the traveling speed of a motor vehicle
05/15/1979US4154395 Redundant signal circuit
05/08/1979CA1054255A1 Means and method of tape guide control
05/01/1979US4152734 Automatic tracking for a playback transducer
05/01/1979US4152580 Rotary machine electronics supervisory and control apparatus
04/1979
04/24/1979US4150650 Internal-combustion engine governor with means to prevent unnecessary changes in engine speed due to inertia or gravity
04/24/1979CA1053352A1 Method for providing a substitute memory module in a data processing system
04/24/1979CA1053348A1 Mounting device for cylindrical magnetic sensor
04/10/1979US4149117 Circuit and method for servo speed control
04/10/1979US4148290 Centrifugal regulator system for fuel injection combustion engines
04/03/1979US4147967 Apparatus and method for controlling the velocity of a moveable member
03/1979
03/27/1979CA1051545A1 Recording and playback apparatus
03/20/1979US4144904 Control device for the speed control of pneumatic and/or hydraulic working pistons
03/13/1979US4143634 RPM Governor for fuel injection engines
03/07/1979EP0000960A1 Shifting device for multistage gear boxes in motor vehicles
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