Horology: time measuring systems or devices – Combined with disparate device
Patent
1990-12-28
1992-09-01
Miska, Vit W.
Horology: time measuring systems or devices
Combined with disparate device
368282, G04B 4700, G04B 3700
Patent
active
051445999
ABSTRACT:
An autonomous radio timepiece comprises a casing and a bracelet attached thereto. The casing includes an operating circuit, while the bracelet carries a flexible antenna. The antenna can be removed from the bracelet in the event that the bracelet is worn and must be discarded. The antenna carries a plug-in type connector at one end which is adapted to make a tight sealing connection with the casing, and is also adapted to electrically connect the antenna with the circuit of the casing. The circuit within the casing includes a receiver which is fixedly tuned as a function of the antenna inductivity of a foil core to the time message transmitter. Also provided is a variable automatic supplemental tuner to compensate for bending of the bracelet while the receiver is actuated. The antenna comprises a foil of an insulting material on which an antenna conductor is printed, along with two shielding conductors extending parallel to the antenna conductor.
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patent: 4194355 (1980-03-01), Nishida
patent: 4427303 (1984-01-01), Matthias
patent: 4586827 (1986-05-01), Hirsch et al.
patent: 4690567 (1987-09-01), Rebeaud
patent: 4847818 (1989-07-01), Olsen
patent: 4884252 (1989-11-01), Teodobiois et al.
patent: 4947179 (1990-08-01), Ganter et al.
patent: 4977614 (1990-12-01), Kurcbart
patent: 5020039 (1991-05-01), Yoketz
Blaich Wilfried
Flaig Oskar
Ganter Wolfgang
Kaiser Hans
Kussmaul Ewald
Junghans Uhren GmbH
Miska Vit W.
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