Wristwatch adapted to receive messages broadcast by radio

Details Wristwatch adapted to receive messages broadcast by radio Wristwatch adapted to receive messages broadcast by radio

1991-06-05

1992-12-15

Roskoski, Bernard

Horology: time measuring systems or devices

Plural timepiece system or system device

With wireless synchronization

368 55, G04C 1102

Patent

active

051723484

ABSTRACT:
A wristwatch for receiving messages broadcast by radio, includes the assembly of a movement, a caseband (4) and a back cover (44). The movement comprises a baseplate (13) receiving: a display means (1, 2), a first power cell for controlling the time display a message display cell (16), a first crystal (21), electronic circuits (18), a casing (24) for receiving a second power cell (25) and an antenna formed by a coil including turns (23) wound around the movement and bearing on the first crystal and on the casing. The caseband includes a second crystal (41) and caps the upper part of the movement. The back cover overlays the lower part of the movement and is provided with a side opening (47) giving access to the second power cell to enable changing thereof.

REFERENCES:
patent: 4232512 (1980-11-01), Yoshikawa et al.
patent: 4501502 (1985-02-01), Van Orsdel
patent: 4629329 (1986-12-01), Komiyama
patent: 4847818 (1989-07-01), Olsen
patent: 4884252 (1989-11-01), Teodoridis et al.

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