Class 307/123 - Differential speed between two bodies

Subclass of Class 307 - Electrical transmission or interconnection systems
Definition: Subject matter in which the system is automatically responsive
No. of patents: 5
Last issue date: 05/04/1999

Number	Title	Issue Date
5900678	Gear shift knob Novel gear shift knob flashes randomly utilizing a battery, motion responsive switch, a timing and illumination circuit....	05/04/1999
4272688	Strip break detector system A strip break detection system is disclosed for a process line in which strip material is being payed out from a payoff reel to a rewind reel. The system is digital, and is based on the concept that for normal mill operation, with continuous strip being p...	06/09/1981
4263578	Belt drive connection malfunction sensor An A.C. voltage picked up from the alternator driven by an internal combustion engine is converted into a pulse train signal so that the number of the pulses is counted for a period of time defined by a reference timing signal produced in synchronization ...	04/21/1981
4187036	Vibration control for asphalt roadway compactor A dual roll vibratory compactor is provided with a single lever control for initiating travel in either direction and then starting the rotation of the eccentric weights to vibrate the rolls. Either or both rolls vibrate at low or high selected frequencie...	02/05/1980
3974490	Paper roll diameter sensing device for use with paper splicing apparatus A paper roll diameter sensing device for use with a paper splicing apparatus is disclosed which gives the output signal when the diameter of an unrolled paper roll is reduced to a predetermined diameter so that the running paper web may be spliced to the ...	08/10/1976

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