Velocity-detecting device

Details Velocity-detecting device Velocity-detecting device

2008-07-23

2010-12-21

LeDynh, Bot L (Department: 2858)

Electricity: measuring and testing

Electrical speed measuring

Including object displacement varied variable circuit impedance

C324S161000, C324S686000, C324S690000

Reexamination Certificate

active

07855550

ABSTRACT:
A velocity-detecting device is mainly based on detection of charge, including a circuit board provided thereon with at least two capacitance sensors with potential difference. The two capacitance sensors are provided at different locations for detecting the time difference when a living thing moves and has its charge respectively reaching the critical one preset by the two capacitance sensors for calculating the moving velocity of the living thing, able to detect and calculate the moving velocity of a living thing for carrying out relative reaction to a machine.

REFERENCES:
patent: 5880411 (1999-03-01), Gillespie et al.
patent: 2002/0134223 (2002-09-01), Wesley
patent: 2007/0229466 (2007-10-01), Peng et al.
patent: 2008/0236374 (2008-10-01), Kramer et al.

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