Personal emergency alarm esp. for aged person - transmits signal to local receiver to raise alarm directly or by phone line and has audible and visible signal outputs

Abstract

Abstract The alarm devic is esp. for use as a personal device to be worn by aged people or others who may require to summon help in an emergency. The device consists of a transmitter worn on the person, with a manually operated switch, and a fixed receiver mounted elsewhere in the locality which receives the signal and actuates an appropriate alarm, either directly or through the telephone line. The transmitter includes a crystal oscillator and energises an antenna formed in the cord by which the transmitter is hung around the neck of the user. The electronic components comprise the transmitter (1), a switch (2), a timer (3) and a conductor (4). In the other part of the circuit are a telephone actuated transmitter (6), bell or hooter (6, 7), lamp (8) and line connector (9).

Inventors

No inventors recorded.

Bibliographic Details