Title: Time measuring device having a periodic signal generator

Abstract: A time measuring device and an oscillator assembly for generating a periodic signal having a predetermined frequency output is disclosed. The time measuring device may be in the form of a watch, clock or other form of timekeeping device. The oscillator assembly formed by at least one transistor in resonant circuit make-up is energized by a continuous current source.

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Inventors: Courier de Mere, Henri Edouard Francois Marie (Paris, FR)

Application Number: 513927
Filing Date: 1974-10-10
Publication_date: 1977-03-01
Assignee: BISOCA Societe de Recherches (Clichy, FR)
Primary Class(es): 368/156 318/126, 331/117R, 968/822, 968/827, 968/DIG1
Other Classes:
US Patent Ref:

2919416	Dec, 1959	Jones	331/117.
2957145	Oct, 1960	Bernstein	331/112.
3443242	May, 1969	Reich	331/71.
3509714	May, 1970	Walton	58/23.
3528238	Sep, 1970	Stampfli	58/23.
3818484	Jun, 1974	Nakamura et al.	58/23.

Other Refs: 785,749801,453

Nov, 1957	UK
Sep, 1958	UK

Primary Examiner: Weldon, Ulysses
Assistant Examiner:
Attorney: Pennie & Edmonds