Horology: time measuring systems or devices – Combined with disparate device
Patent
1995-05-15
1995-12-12
Miska, Vit W.
Horology: time measuring systems or devices
Combined with disparate device
368204, 364707, G04B 4700, G04B 100
Patent
active
054756545
ABSTRACT:
An intermittent operation circuit provided with a charge/discharge means in which, when a central processing means stops the operation of an internal clock oscillating means, a charging is started after discharging stored charges, and provided with an interruption control means which starts the operations of the internal oscillating means and the central processing means when a charge level of the charge stored in the charge/discharge means is once lowered and then the charge level reaches or exceeds a predetermined value, thereby, when the central processing means is in the stop mode, the operation of the processing means can be restored, without operating the timer and the internal clock oscillating means, resulting in that the consuming power of the circuit system can be further reduced than in the prior art.
REFERENCES:
patent: 4780843 (1988-10-01), Tietsen
patent: 4851987 (1989-07-01), Day
patent: 5189647 (1993-02-01), Suzuki et al.
patent: 5325074 (1994-06-01), Suenaga
patent: 5347472 (1994-09-01), Todkowa
Chiba Megumi
Furumura Takashi
Miska Vit W.
Mitsubishi Denki & Kabushiki Kaisha
Mitsubishi Electric Semiconductor Software Co. Ltd.
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