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Primary Examiner: Anagnos, Larry N.
Assistant Examiner:
Attorney: Ross; Karl F.

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Title: Electronic device for the production of signals of an amplitude greater than the amplitude of a given periodic signal

Abstract: An electronic circuit for pulsing a load, preferably for driving the display of an electronic wristwatch which produces signals of an amplitude greater than the input amplitude of a given periodic signal. The circuit uses two IGFET transistors which are connected by secondary terminals to the output of the circuit. Control electrodes of the IGFETS are connected to condensers while IGFET coupling transistors are used to control the charge and discharge of the charge transistors.


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Inventors: Rusznyak, Andre (Geneva, CH)

Application Number: 794618
Filing Date: 1977-05-06
Publication_date: 1978-11-07
Assignee: Ebauches S.A. (Neuchatel, CH)
Primary Class(es): 327/589 326/88, 326/98, 327/178, 368/219, 968/898, 968/925, 968/DIG1
Other Classes:
US Patent Ref:
3955353May, 1976Astle58/23.
4000412Dec, 1976Rosenthal et al.307/264.
4015420Apr, 1977Walker58/23.
4016476Apr, 1977Morokawa et al.307/DIG.
4029973Jun, 1977Kobayashi et al.307/DIG.

Other Refs: 1,098,468
Jan, 1968GB
Other References: Dickson, IEEE Journal of Solid-State Circuits, vol. SC-11, No. 3, pp. 374-378; 6/1976.