Voltage conversion system for electronic timepiece

Details Voltage conversion system for electronic timepiece Voltage conversion system for electronic timepiece

1978-06-05

1980-06-03

Truhe, J. V.

Horology: time measuring systems or devices

Chronological

With auxiliary illumination for display

368 79, 368 83, G04C 300

Patent

active

042055180

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
patent: 4094137 (1978-06-01), Morokawa

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