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)
03/1979
03/06/1979US4142488 Apparatus for preventing excessive running speed for internal combustion engine, especially for motor vehicles
03/06/1979CA1050102A1 Circuit arrangement for phase-alignment of a servo drive for a rotary system
02/1979
02/20/1979US4140202 Speed responsive systems
02/06/1979US4137742 Interstand tension control method and apparatus for tandem rolling mill
02/06/1979CA1048146A1 Speed and phase control system
02/06/1979CA1048127A1 Wheel slip correction system
02/06/1979CA1047881A1 Speed control valve for a fluid operated clutch
01/1979
01/30/1979US4136656 Load control device for turbo-suspercharged diesel engines
01/16/1979CA1046421A1 Acceleration control system
01/09/1979US4133406 Apparatus for controlling the traveling speed of a motor vehicle
01/09/1979CA1046154A1 Method and system for adjusting braking force
01/02/1979US4132206 Centrifugal force speed governor for internal combustion engines with fuel injection
12/1978
12/19/1978CA1044802A1 Tape motion control in an incrementing magnetic tape transport
12/19/1978CA1044785A1 Automatic control system using error signal and integral and derivative thereof
12/19/1978CA1044784A2 Skid control system
12/12/1978CA1044352A2 Skid control system
12/12/1978CA1044351A2 Skid control system
11/1978
11/28/1978CA1043447A2 Monitoring circuitry for a skid control system
11/28/1978CA1043437A1 Frequency responsive speed control apparatus
11/21/1978CA1043012A1 Transverse track location
10/1978
10/31/1978US4123788 Magnetic information carrier with optical servo tracks and apparatus for reading and writing the same
10/31/1978US4123773 Servo arrangement for the recording tape drive in broadband signal reproducing systems
10/24/1978US4121685 Apparatus for controlling the traveling speed of a motor vehicle
10/24/1978US4121609 Hydraulic speed governor
10/24/1978CA1041196A2 Skid control system
10/17/1978US4120373 Vehicle speed control system with dual interrupt safety circuit
10/17/1978CA1040740A1 Track following servo system
10/17/1978CA1040729A2 Brake control system
10/17/1978CA1040728A1 Monitoring circuitry for a skid control system
10/10/1978CA1040303A1 Synchronization of multiple disc drives
10/03/1978US4117904 Vehicle speed control system
10/03/1978US4117903 Vehicle speed control system
10/03/1978CA1039833A2 Process control system
09/1978
09/12/1978CA1038473A2 Skid control system
08/1978
08/29/1978US4110799 Servo system for controlling the position of a magnetic head relative to a track to be followed using periodically interrupted long-wave positioning signals
08/22/1978US4109184 Method and apparatus for providing a stable, high gain servo system
07/1978
07/25/1978US4103314 Motion control system
07/25/1978US4102131 Integrated transmission-engine control
07/18/1978US4101943 Controlled-width-synchronization of recorded pixels
07/18/1978US4101013 Process for the control and regulation of the speed of a mobile
07/18/1978US4100890 Mechanical governor for internal combustion engine
07/04/1978US4098367 Automotive vehicle speed control system
07/04/1978US4098242 Automatic control system with gain switching
06/1978
06/20/1978US4096534 Track accessing circuitry for a disk file with switchable filter
06/13/1978US4094226 Hydraulic control apparatus with feedback
05/1978
05/23/1978US4090821 Governor device
05/16/1978US4089196 Method of controlling inter-stand tension in rolling mills
05/02/1978US4087859 Apparatus for measuring and controlling interstand tensions of continuous rolling mills
04/1978
04/18/1978US4084659 Automotive vehicle speed control system
04/18/1978US4084601 Speed control valve for a fluid operated clutch
04/11/1978US4083432 Safety arrangement
04/11/1978US4083423 Vehicle road speed signal source
04/04/1978US4082103 Centrifugal force hydraulic governor
03/1978
03/28/1978US4080977 Governor valve
03/21/1978US4080656 Control device for machining webs
03/14/1978US4078631 Apparatus for controlling acceleration and deceleration of motor vehicles
02/1978
02/28/1978US4076094 Vehicle engine speed control system
02/21/1978US4075667 Method and apparatus for aligning read/write heads in a disc recorder
02/14/1978US4073203 Electronic transmission gear change control system
02/07/1978US4072206 Device for regulating vehicle road speed
01/1978
01/31/1978US4071897 Power plant speed channel selection system
01/31/1978US4071856 Servo-control system for signal recording and/or reproducing apparatus
01/24/1978US4070609 Automatic control system
12/1977
12/06/1977US4061947 Speed control system for continuous strip manufacturing apparatus
11/1977
11/01/1977US4056832 Servo system for controlling the position of a reading head
11/01/1977US4056287 Circuit arrangement for producing a digital speed signal corresponding to the angular velocity of a wheel from the half cycle duration of the sinusoidal waveform generated by the wheel
11/01/1977US4056157 Electronic speed control system for automotive vehicles
10/1977
10/18/1977US4054764 Speed responsive switching device
10/04/1977US4052676 Digital-analog frequency error signaling
09/1977
09/27/1977US4051416 Incremental digital control circuit
09/27/1977US4050434 Hydraulic servo-motor
09/13/1977US4047442 Apparatus for adjusting the rotational speed of a drive mechanism
09/06/1977US4047231 High stability digital head servo for video recorders
09/06/1977US4046213 Control system and method for controlling vehicle speed
08/1977
08/23/1977US4044389 Method and apparatus for measuring the speed at which a tape was recorded
08/09/1977US4040301 Control device sensitive to speeds in excess of a pre-determined rotation speed
08/02/1977US4039043 Apparatus for controlling the traveling speed of a motor vehicle
07/1977
07/12/1977US4035843 Magnetic recording system
07/12/1977US4034725 Electric governor
07/05/1977US4033368 Governor pressure control apparatus for vehicle automatic transmission
06/1977
06/28/1977US4032982 Adaptive voltage control of motor in an incrementing magnetic tape transport
06/28/1977US4032826 Circuit arrangement for phase-alignment of a servo drive for a rotary system
06/14/1977US4029946 Speed control device for moving objects
05/1977
05/24/1977US4025837 Adaptive control circuit for a stepping motor
05/03/1977US4021857 Magnetic recording system for reproducing successive still pictures
04/1977
04/26/1977US4020404 System for controlling motor speed
04/26/1977US4019596 Synchronous control system
04/12/1977US4017765 Short circuit protected electronic control system
04/05/1977US4015799 Adaptive reel-to-reel tape control system
04/05/1977US4015573 Supercharged diesel engine fuel injection pump governor assembly
03/1977
03/29/1977US4015180 Speed regulating devices for rotary machines or the like
03/15/1977US4011743 Stand speed reference circuit for a continuous tandem rolling mill
02/1977
02/08/1977US4006791 Device for regulating the traveling speed of a motor vehicle
01/1977
01/11/1977US4003090 Magnetic recording and reproducing system with tape-to-head speed control
10/1976
10/19/1976US3986788 Prime mover speed control system
10/05/1976US3983954 Speed responsive systems
09/1976
09/28/1976US3983316 Turntable speed control system
09/28/1976US3982615 Constant speed drive
09/28/1976US3982454 Apparatus for the control and regulation of cutting interval and synchronism at a cutting mechanism for the machining of strip material
09/14/1976US3980066 Fuel injection pumping apparatus
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