CH478971A4 - - Google Patents

Info

Publication number
CH478971A4
CH478971A4 CH478971DD CH478971A4 CH 478971 A4 CH478971 A4 CH 478971A4 CH 478971D D CH478971D D CH 478971DD CH 478971 A4 CH478971 A4 CH 478971A4
Authority
CH
Switzerland
Application number
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 CH478971A4 publication Critical patent/CH478971A4/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G04G9/107—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes provided with means for displaying at will a time indication or a date or a part thereof
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/025—Producing acoustic time signals at preselected times, e.g. alarm clocks acting only at one preselected time
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G04G19/06—Regulation
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
CH478971D 1970-04-06 1971-04-02 CH478971A4 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2593070A 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
CH478971A4 true CH478971A4 (enrdf_load_stackoverflow) 1972-08-31

Family

ID=21828841

Family Applications (2)

Application Number Title Priority Date Filing Date
CH478971D CH478971A4 (enrdf_load_stackoverflow) 1970-04-06 1971-04-02
CH478971A CH534386A (de) 1970-04-06 1971-04-02 Elektronische Digitaluhr

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH478971A CH534386A (de) 1970-04-06 1971-04-02 Elektronische Digitaluhr

Country Status (5)

Country Link
US (1) US3664116A (enrdf_load_stackoverflow)
CA (1) CA930033A (enrdf_load_stackoverflow)
CH (2) CH478971A4 (enrdf_load_stackoverflow)
DE (1) DE2116433A1 (enrdf_load_stackoverflow)
GB (1) GB1341252A (enrdf_load_stackoverflow)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285012A (en) * 1970-07-30 1972-08-09 Seiko Instr & Electronics Digital electronic timepiece
US3744235A (en) * 1970-12-09 1973-07-10 S Kratomi Timepiece indicating time by generated images in sets
GB1339403A (en) * 1971-02-03 1973-12-05 Suwa Seikosha Kk Timepiece
IT952097B (it) * 1971-03-08 1973-07-20 Suwa Seikosha Kk Perfezionamento nei sistemi di misura del tempo a indicazione numerica
US3986333A (en) * 1971-03-22 1976-10-19 Sharp Kabushiki Kaisha Electronic digital clock
GB1391995A (en) * 1971-04-27 1975-04-23 Seikosha Kk Electric timepieces
US3823551A (en) * 1971-05-03 1974-07-16 Riehl Electronics Corp Solid state electronic timepiece
US3817020A (en) * 1971-05-04 1974-06-18 Nippon Denso Co Electronic digital clock
US3754392A (en) * 1971-05-17 1973-08-28 Motorola Inc Apparatus for driving a light emitting diode of horologic display
US3969886A (en) * 1971-06-30 1976-07-20 Kabushiki Kaisha Daini Seikosha Digital electronic watch for displaying both time and the time remaining within a preselected time period
JPS4847861A (enrdf_load_stackoverflow) * 1971-10-19 1973-07-06
GB1366794A (en) * 1971-12-02 1974-09-11 Seiko Instr & Electronics Electronic timepiece
GB1391235A (en) * 1972-01-22 1975-04-16 Suwa Seikosha Kk Digital wrist watch
US3813533A (en) * 1972-06-02 1974-05-28 Garrett Comtronics Corp Clock calculator
JPS4969361A (enrdf_load_stackoverflow) * 1972-11-06 1974-07-04
JPS5548273B2 (enrdf_load_stackoverflow) * 1973-01-22 1980-12-04
US3803827A (en) * 1973-02-01 1974-04-16 Time Computer Solid state electronic wristwatch
US3869854A (en) * 1973-05-10 1975-03-11 James A Church Solid state electronic control
DE2425254C3 (de) * 1973-05-28 1980-11-20 Citizen Watch Co., Ltd., Tokio Tragbare elektronische Uhr
US4065915A (en) * 1973-06-11 1978-01-03 Farnbach John S Binary counting system
US3918250A (en) * 1973-10-10 1975-11-11 David N Torresdal Multi-channel digital clock
US3943288A (en) * 1973-10-23 1976-03-09 Edgar D. Young Telephone incorporating binary coded decimal time display
US3946549A (en) * 1973-12-26 1976-03-30 Uranus Electronics, Inc. Electronic alarm watch
US4033109A (en) * 1974-11-21 1977-07-05 Tokyo Shibaura Electric Co., Ltd. Time correction circuits for electronic timepieces
GB1523128A (en) * 1974-12-27 1978-08-31 Kienzle Uhrenfabriken Gmbh Electronic digital clocks
JPS51102455A (ja) * 1975-03-05 1976-09-09 Funai Electric Co Denshitaimasochi
US3961473A (en) * 1975-03-06 1976-06-08 George Hung Electronic chess timer
JPS51114580A (en) * 1975-03-31 1976-10-08 Funai Denki Kk Electronic timer apparatus
US4027470A (en) * 1975-04-04 1977-06-07 Friedman Eliot I Digital timer circuit
JPS522563A (en) * 1975-06-24 1977-01-10 Seiko Instr & Electronics Ltd Electronic clock with alarm
US4320478A (en) * 1975-07-02 1982-03-16 Motorola, Inc. Digital watch
US4095182A (en) * 1975-10-08 1978-06-13 Cybernet Electronic Corporation Display device for transceiver and like
JPS5246860A (en) * 1975-10-13 1977-04-14 Seiko Instr & Electronics Ltd Alarm electronic clock
JPS5258972A (en) * 1975-11-11 1977-05-14 Seiko Instr & Electronics Ltd Electronic stopwatch
US4047375A (en) * 1975-11-17 1977-09-13 Allan Wulff Darkroom timer
JPS52109974A (en) * 1976-03-11 1977-09-14 Seiko Instr & Electronics Ltd Digital alarm watch
DE2645744A1 (de) * 1976-10-09 1978-04-13 Quarz Zeit Ag Elektronische uhr, insbesondere quarzuhr
US4185283A (en) * 1978-01-09 1980-01-22 Clark Lloyd D Multiple character word indication system employing sequential sensible indicia
US4201038A (en) * 1978-04-25 1980-05-06 Kabushiki Kaisha Daini Seikosha Alarm electronic watch
FR2492551B1 (fr) * 1980-10-21 1985-06-07 Suisse Horlogerie Procede pour comparer un etat horaire et le contenu d'un registre dans une piece d'horlogerie a rappel, circuit pour sa mise en oeuvre et utilisation de ce circuit
US4444512A (en) * 1981-10-21 1984-04-24 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Method and circuit for comparing the timekeeping state and contents of a register in an electronic reminder giving timepiece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA791946A (en) * 1968-08-13 Dome Peter Electronic watches

Also Published As

Publication number Publication date
US3664116A (en) 1972-05-23
GB1341252A (en) 1973-12-19
DE2116433A1 (de) 1971-11-04
CH534386A (de) 1972-08-31
CA930033A (en) 1973-07-10

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