Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1986-11-26
1988-03-29
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340540, 340665, C08B 2100
Patent
active
047346841
ABSTRACT:
The present invention provides a compressible sensor for use in adjusting the distance between two parallel surfaces until the distance is within predetermined limits or tolerances. The sensor includes an electrically insulating flat support having two separated electrodes on each side thereof, two resiliently deformable members of different resilient deformabilities each one located between the two separated electrodes and contacting one side of the electrically insulating flat support, and two electrically conductive members each in contact with one of the resiliently deformable members. Each electrically conductive member extends over the two separated electrodes so that it can establish an electrical connection with either separated electrode when the resiliently deformable member is compressed. A signaling circuit is used to determine which electrodes are electrically connected and detects when the distance between the two parallel surfaces is within the accepted tolerances.
REFERENCES:
patent: 3945704 (1976-03-01), Kraus et al.
Oce'-Nederland, B.V.
Swann III Glen R.
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