CH633409B - Elektronischer zeitgeber. - Google Patents

Elektronischer zeitgeber.

Info

Publication number
CH633409B
CH633409B CH257079A CH257079A CH633409B CH 633409 B CH633409 B CH 633409B CH 257079 A CH257079 A CH 257079A CH 257079 A CH257079 A CH 257079A CH 633409 B CH633409 B CH 633409B
Authority
CH
Switzerland
Prior art keywords
electronic timer
timer
electronic
Prior art date
Application number
CH257079A
Other languages
English (en)
Other versions
CH633409A (de
Inventor
Hiroyuki Chihara
Original Assignee
Suwa Seikosha Kk
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
Publication of CH633409B publication Critical patent/CH633409B/de
Priority to JP9957674A priority Critical patent/JPS5634073B2/ja
Application filed by Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of CH633409A publication Critical patent/CH633409A/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00Arrangements of electric power supplies in time pieces
    • G04C10/04Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/30Modifications for providing a predetermined threshold before switching
    • H03K17/302Modifications for providing a predetermined threshold before switching in field-effect transistor switches
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
CH257079A 1974-08-30 1979-03-19 CH633409A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9957674A JPS5634073B2 (de) 1974-08-30 1974-08-30

Publications (2)

Publication Number Publication Date
CH633409B true CH633409B (de) 1900-01-01
CH633409A CH633409A (de) 1982-12-15

Family

ID=14250919

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1054475A CH615803A (de) 1974-08-30 1975-08-13
CH257079A CH633409A (de) 1974-08-30 1979-03-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1054475A CH615803A (de) 1974-08-30 1975-08-13

Country Status (7)

Country Link
US (1) US4043110A (de)
JP (1) JPS5634073B2 (de)
CH (2) CH615803A (de)
DE (1) DE2538406B2 (de)
GB (1) GB1508815A (de)
HK (1) HK82679A (de)
MY (1) MY8000210A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140930A (en) * 1976-07-30 1979-02-20 Sharp Kabushiki Kaisha Voltage detection circuit composed of at least two MOS transistors
JPS5344845A (en) * 1976-10-05 1978-04-22 Suwa Seikosha Kk Electronic watch
JPS5941553B2 (de) * 1977-04-26 1984-10-08 Suwa Seikosha Kk
US4301380A (en) * 1979-05-01 1981-11-17 Motorola, Inc. Voltage detector
JPS5743526A (en) * 1980-08-27 1982-03-11 Seiko Instr & Electronics Charge control circuit
GB2202950B (en) * 1987-03-17 1990-09-12 Citizen Watch Co Ltd Sensor signal processor
US6410997B1 (en) * 1998-04-17 2002-06-25 Sarnoff Corporation Power source for a hearing aid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383522A (en) * 1965-08-30 1968-05-14 Westinghouse Electric Corp Undervoltage sensing circuit
US3898790A (en) * 1972-11-09 1975-08-12 Citizen Watch Co Ltd Battery-driven watch with battery consumption display alarm
CH616822B5 (de) * 1973-05-10 1980-04-30 Ebauches Sa
US3912977A (en) * 1974-05-20 1975-10-14 Rca Corp Direct current protection circuit
US3916262A (en) * 1974-07-23 1975-10-28 Us Navy Low voltage bus-operated overvoltage protection system
US3991553A (en) * 1974-10-31 1976-11-16 Time Computer, Inc. Low voltage battery indicator for a solid state watch

Also Published As

Publication number Publication date
DE2538406A1 (de) 1976-03-18
JPS5634073B2 (de) 1981-08-07
CH615803B (de) 1900-01-01
GB1508815A (en) 1978-04-26
HK82679A (en) 1979-12-14
US4043110A (en) 1977-08-23
CH633409A (de) 1982-12-15
DE2538406B2 (de) 1978-09-07
CH615803A (de) 1980-02-29
JPS5127370A (de) 1976-03-06
MY8000210A (en) 1980-12-31

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