CH651442GA3 - Electronic timing mechanism - Google Patents

Electronic timing mechanism Download PDF

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Publication number
CH651442GA3
CH651442GA3 CH199583A CH199583A CH651442GA3 CH 651442G A3 CH651442G A3 CH 651442GA3 CH 199583 A CH199583 A CH 199583A CH 199583 A CH199583 A CH 199583A CH 651442G A3 CH651442G A3 CH 651442GA3
Authority
CH
Switzerland
Prior art keywords
timing mechanism
input
supply voltage
voltage source
electronic timing
Prior art date
Application number
CH199583A
Other languages
German (de)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of CH651442GA3 publication Critical patent/CH651442GA3/en

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/005—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers using electronic timing, e.g. counting means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Electric Clocks (AREA)

Abstract

The present invention relates to an electronic timing mechanism having a pulsed voltage generator, frequency divider and binary counter, as well as a supply voltage source. It is the object of the invention to provide an electronic timing mechanism in which, after failure of the supplying voltage source, it can be determined upon the return of the supply voltage whether the time value stored in the timing mechanism before failure is still present and if that is not possible to cause the timing mechanism to run to a defined time setting. The object is achieved when the supply voltage input of the binary counter is bridged by a capacitor, and the input is applied to an input of a comparator whose other input is supplied from a reference voltage source. The main field of application of the invention is recharging control units for electric storage devices.
CH199583A 1982-04-24 1983-04-13 Electronic timing mechanism CH651442GA3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8212579 1982-04-24

Publications (1)

Publication Number Publication Date
CH651442GA3 true CH651442GA3 (en) 1985-09-30

Family

ID=6739655

Family Applications (1)

Application Number Title Priority Date Filing Date
CH199583A CH651442GA3 (en) 1982-04-24 1983-04-13 Electronic timing mechanism

Country Status (2)

Country Link
AT (1) AT402462B (en)
CH (1) CH651442GA3 (en)

Also Published As

Publication number Publication date
ATA147383A (en) 1996-09-15
AT402462B (en) 1997-05-26

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