Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1999-01-21
2000-06-27
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
3405736, 600503, G08B 2300
Patent
active
060811943
ABSTRACT:
A signal transmitting and receiving bracelet system for notifying a user wearing a receiving bracelet that a user wearing a transmitting bracelet is in danger. The signal transmitting and receiving bracelet system includes a transmitting bracelet that has sensing and transmitting circuitry having a pressure transducer adapted for contacting a pulse point of a wrist of a user for sensing a pulse of a user. The sensing and transmitting circuitry also has a transmitter that is electrically connected to the pressure transducer to emit a first signal when a user's pulse rate is higher than a predetermined rate. A receiving bracelet has receiving circuitry with a receiver adapted for receiving signals emitted from the transmitting bracelet. The receiving circuitry has a sound emitting device that is electrically connected to the receiver for emitting a sound when a signal is received from the transmitting bracelet.
REFERENCES:
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patent: 4549169 (1985-10-01), Moura et al.
patent: 4819860 (1989-04-01), Hargrove et al.
patent: 5319355 (1994-06-01), Russek
patent: 5416468 (1995-05-01), Baumann
patent: 5423574 (1995-06-01), Forte-Pathroff
patent: 5897506 (1999-04-01), Cohn
patent: 5917415 (1999-06-01), Atlas
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