Portable emergency alert system

Communications: electrical – Condition responsive indicating system – Specific condition

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Details

340539, 340573, G08B 1300, G08B 2100

Patent

active

050252470

ABSTRACT:
An emergency alarm system includes a portable digital pulse transmitter having a failsafe mode of activation by the user thereof. A coded pulse signal is transmitted to a decoding device in a digital receiver. The receiver has a latch relay which is connected in circuit with a power source and an alarm device. The alarm system may have a water sensor for setting off the alarm in the event the user falls in the water and may have remotely activated transmitters for locating the user with a receiver and directional antenna.

REFERENCES:
patent: 2882914 (1959-04-01), Wiley et al.
patent: 3810146 (1974-05-01), Lieb
patent: 4063410 (1977-12-01), Welling
patent: 4110738 (1978-08-01), Sattin
patent: 4138670 (1979-02-01), Schneider et al.
patent: 4158197 (1979-06-01), Takagaki
patent: 4189721 (1980-02-01), Doell
patent: 4535324 (1985-08-01), Levental
patent: 4591836 (1986-05-01), Feigenblatt, Jr. et al.
patent: 4737751 (1988-04-01), Risk
patent: 4777478 (1988-10-01), Hirsch et al.
patent: 4855723 (1989-08-01), Fritz et al.
patent: 4918433 (1990-04-01), Moore
patent: 4931772 (1990-06-01), Bechtold

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