Silent alarm band

Details Silent alarm band Silent alarm band

1996-02-20

1997-11-11

Hofsass, Jeffery

Communications: electrical

Tactual indication

340573, 340575, 340539, 368 12, 368230, H04B 336

Patent

active

056868820

ABSTRACT:
The silent alarm comprises a wrist band housing which can be attached to the wrist of a person. A signal receiving device is mounted in the wrist band housing for receiving a signal from a clock controlled transmitter. Vibratory means are also mounted in the housing and are connected to the signal receiving device. A battery is mounted in the wrist band to energize the vibratory means when the signal receiving device receives a signal in order to quietly awaken a sleeping person wearing the wrist band.

REFERENCES:
patent: 4093944 (1978-06-01), Muncheryan
patent: 4144706 (1979-03-01), Willis
patent: 4297677 (1981-10-01), Lewis et al.
patent: 4379639 (1983-04-01), Stephens
patent: 4380759 (1983-04-01), Sulkoski et al.
patent: 4591836 (1986-05-01), Feigenblatt, Jr. et al.
patent: 4728934 (1988-03-01), Pfander et al.
patent: 4731603 (1988-03-01), McRae et al.
patent: 4853674 (1989-08-01), Kiss
patent: 5361241 (1994-11-01), Ferrara et al.
patent: 5388992 (1995-02-01), Franklin et al.

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