Detection means for multiple capacitive sensing devices

Details Detection means for multiple capacitive sensing devices Detection means for multiple capacitive sensing devices

1979-05-14

1981-05-05

Hix, L. T.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307143, 73304C, H01H 3600

Patent

active

042661447

ABSTRACT:
A detection circuit for detecting discrete states of multiple capacitive sensing devices in a continuum provides an output which is linearly variable with respect to changes in the states of the sensing devices. The circuit uses either a time interval measurement or voltage measurement which has a magnitude which linearly corresponds to changes in the states of the sensing devices. By continuously monitoring these outputs, a continuous indication of discrete changes in the states of the sensing devices is detectable. In accordance with the present invention, a single drive electrode and a single sense electrode in combination with a plurality of sensing devices capacitively transmit electrical pulses in accordance with the various states of the sensing devices whereby the detection circuit detects discrete changes in a state of the sensing devices in a continuum.

REFERENCES:
patent: 3492440 (1970-01-01), Cerbone
patent: 3935739 (1976-02-01), Ells
patent: 4099167 (1978-07-01), Pomerantz
patent: 4177421 (1979-12-01), Thornburg

Affiliated with

Also associated with

Rating

Detection means for multiple capacitive sensing devices does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Detection means for multiple capacitive sensing devices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Detection means for multiple capacitive sensing devices will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-297709