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Class Information
Number: 361/236
Name: Electricity: electrical systems and devices > Electrical speed signal processing systems
Description: Subject matter wherein electrical circuitry is provided for detection of the speed or acceleration of a member, either angular or linear, and means included in the circuitry responsive to a change in speed or acceleration to generate a desired speed or acceleration control signal.










Sub-classes under this class:

Class Number Class Name Patents
361/238 Antislip detection and circuitry 50
361/240 Including frequency generators 28
361/243 Synchronization of shafts 6
361/241 Two position (e.g., on-off) 5
361/237 With centrifugal weight means 2
361/239 With speed analog electrical signal 32
361/242 With speed comparison 52


Patents under this class:

Patent Number Title Of Patent Date Issued
8659250 Management apparatus of a rotating motor and an annexed load during power loss Feb. 25, 2014
8198714 Method and system for configuring a transformer embedded in a multi-layer integrated circuit (IC) package Jun. 12, 2012
8159173 Control device for controlling travel motor of vehicle Apr. 17, 2012
8054024 Brushless motor Nov. 8, 2011
8040087 Control devices and methods Oct. 18, 2011
8018189 Motor drive apparatus Sep. 13, 2011
8000080 Particle trap Aug. 16, 2011
7924546 Burner ignition controller and improved coil bobbin Apr. 12, 2011
7761192 Complex signal processing system and related method for controlling multiple fans Jul. 20, 2010
7756610 Solenoid controller Jul. 13, 2010
7746013 Method and device for controlling a brushless direct-current motor Jun. 29, 2010
7564671 Ion generator and method for controlling amount of ozone generated in the same Jul. 21, 2009
7355828 Turbo machinery speed monitor Apr. 8, 2008
7086769 LED signage device Aug. 8, 2006
6790375 Dechucking method and apparatus for workpieces in vacuum processors Sep. 14, 2004
6282954 System for changing a rotational speed signal Sep. 4, 2001
5804724 Rotor speed estimator Sep. 8, 1998
5471361 Vehicle wheel sensors, and method of converting a sine wave signal in a counting or measuring device Nov. 28, 1995
5170365 Propeller speed and phase sensor Dec. 8, 1992
5105331 Idling system for devices having speed controllers Apr. 14, 1992
4901014 Elastic bearing arrangement for rotational signal generator Feb. 13, 1990
4885710 Method and apparatus for low speed estimation Dec. 5, 1989
4876527 Vehicle speed detecting device Oct. 24, 1989
4755905 Vehicle velocity sensing apparatus and method Jul. 5, 1988
4667114 Prime mover speed sensing system and method May. 19, 1987
4539642 Fail-safe speed control system for motor vehicles Sep. 3, 1985
4473128 Vehicular power steering system Sep. 25, 1984
4471735 Idling controller, particularly for automotive vehicles Sep. 18, 1984
4424550 Electromagnetic transducer Jan. 3, 1984
4408290 Method and device for determining acceleration and/or deceleration of a moving object Oct. 4, 1983
4400757 Automatic speed control systems Aug. 23, 1983
4336566 Vehicle speed control systems Jun. 22, 1982
4321901 Automatic speed control device Mar. 30, 1982
4280165 Device for measuring angular position of a gear in a digital ignition system of an internal combustion engine Jul. 21, 1981
4268888 Apparatus for generating engine speed-dependent ignition control signals May. 19, 1981
4255778 Reference signal processor circuit Mar. 10, 1981
4217617 Turbine trip circuit Aug. 12, 1980
4196936 Trailer brake control system Apr. 8, 1980
4164001 Speed compensating control system Aug. 7, 1979
4143538 Methods and apparatus for manufacturing tachometers Mar. 13, 1979
4121272 Torsional oscillation alarm system Oct. 17, 1978
4120013 Laundry machine control system Oct. 10, 1978
4115831 Velocity detecting apparatus insensitive to noise Sep. 19, 1978
4086888 Electronic vacuum modulator for controlling air flow to a throttle modulator mechanism for limiting engine speed and vehicle speed May. 2, 1978
4071109 Power steering control with damping action against rapid change in vehicle speed Jan. 31, 1978
4058094 Speed control device Nov. 15, 1977
4046213 Control system and method for controlling vehicle speed Sep. 6, 1977
4028686 Digital detector Jun. 7, 1977
4025819 Motion detecting signal source May. 24, 1977
3969654 Propulsion train line encoder for a train speed regulation system Jul. 13, 1976











 
 
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