Device for verifying disturbances in signal transmission in moto

Details Device for verifying disturbances in signal transmission in moto Device for verifying disturbances in signal transmission in moto

1993-01-26

1995-10-31

Swarthout, Brent

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

324161, 340466, B60Q 100

Patent

active

054633737

ABSTRACT:
A device is disclosed which can detect and document tampering in the signal transmission path between speed measurement and/or mileage counting devices and the speed transmitters which are associated with these devices using the simplest possible means and so as to be suitable for large-scale series manufacture. The device provides that at least one movement transmitter, which senses forces which are typical of driving, is arranged inside the respective measurement device, and that an evaluating circuit is also provided, which delivers a signal which controls a recording arrangement when signals of a speed transmitter do not correspond with those of the movement transmitter.

REFERENCES:
patent: 4086563 (1978-04-01), Bachman
patent: 4188618 (1980-02-01), Weisbart
patent: 4419654 (1983-12-01), Funk
patent: 4644368 (1987-02-01), Mutz
patent: 5136516 (1992-08-01), Twombly

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