Patent
1976-09-22
1978-06-13
Schaefer, Robert K.
58 23R, 58 23BA, G04C 300
Patent
active
040941370
ABSTRACT:
A voltage conversion system for an electronic timepiece having a power source, which system generates power at lower voltage level than that of the power source for operating at least one of a frequency standard, a frequency converter, a time counter circuit and a display system. The voltage conversion system comprises an oscillator circuit coupled to the power source to generate output signals, a plurality of capacitors, and a plurality of switching elements responsive to the output signals for alternately setting the capacitors in a parallel connected condition and a series connected condition, whereby an output voltage lower than that of the power source is generated at an output terminal of the system.
REFERENCES:
patent: 3999368 (1976-12-01), Yoshida
patent: 3999370 (1976-12-01), Morokawa
Citizen Watch Company Limited
Jordan Frank J.
Pojunas, Jr. Leonard W.
Schaefer Robert K.
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