Pager with rechargeable battery and method for charging same

Details Pager with rechargeable battery and method for charging same Pager with rechargeable battery and method for charging same

1991-07-23

1993-03-16

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082548, 343718, 343720, 455343, G08B 522, H04B 118, H01Q 112, H01Q 144

Patent

active

051948575

ABSTRACT:
A wrist watch pager (100) powered by a rechargeable battery (234) comprises an antenna having first and second antenna portions (102A and 102B) for receiving paging signals when the first and second portions (102A and 102B) are coupled together to form a loop antenna. The first and second antenna portions (102A and 102B) receive a charging voltage from a battery charger (120) directly coupled to the first and second antenna portions (102A and 102B) when the first and second antenna portions (102A and 102B) are uncoupled thereby disabling the loop antenna. A receiver (204) coupled to the loop antenna presents an alert in response to the paging signals. A device (230) coupled between the loop antenna and the receiver (204) blocks the charging voltage from the receiver (204). Another device (232) coupled between the loop antenna antenna and the rechargeable battery (234) blocks the received paging signal from the battery charger (120).

REFERENCES:
patent: 3808538 (1974-04-01), Goransson et al.
patent: 4044292 (1977-08-01), Tomlin
patent: 4255782 (1981-03-01), Joyce
patent: 4856088 (1989-08-01), Oliwa et al.
patent: 4888585 (1989-12-01), Kamiya et al.
patent: 4937586 (1990-06-01), Stevens et al.

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