Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-02-10
1993-06-29
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
200DIG2, 340539, 341176, 455100, G08B 1300
Patent
active
052238180
ABSTRACT:
A digital signal transmitter which is mounted upon a rigid panel by resiliently deformable strips such as double-sided adhesive or springs. The mounting is such that a button is disposed adjacent a switch contained within the transmitter structure. The entire apparatus is then worn by a person upon a belt-like structure in such a way that upon muscular expansion by the person wearing the structure, the button closes the switch causing the transmitter to emit a radio frequency signal. The radio frequency signal may then be received by a transponder or other electronic device which amplifies and converts the signal and directs it toward a central station.
REFERENCES:
patent: Re29525 (1978-01-01), Willmott
patent: 3914692 (1975-10-01), Seaborn, Jr.
patent: 4157540 (1979-06-01), Oros
patent: 4227189 (1990-10-01), Davis
patent: 4300129 (1981-11-01), Cataldo
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