Emergency information communicating device

Details Emergency information communicating device Emergency information communicating device

1982-02-26

1983-09-06

Ng, Jin F.

Telecommunications

Transmitter

Mobile or portable

455128, 340539, H04B 1034

Patent

active

044033419

ABSTRACT:
Emergency information communicating device is disclosed having a wireless transmission circuit, a switch means and a battery which are provided in a waterproof case body, a permanent magnet inserted in a slot defined in the case body for providing a magnetic field to actuate the switch means and an electrical conducting member acting as an antenna. By disengaging the permanent magnet from the case body, emergency information can be radiated from the antenna.

REFERENCES:
patent: 1993436 (1935-03-01), Eberhard
patent: 3335239 (1967-08-01), Fey
patent: 3846704 (1974-11-01), Bessette
patent: 4335375 (1982-06-01), Schaeffer

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