DE2643993A1 - Digitaluhr - Google Patents

Digitaluhr

Info

Publication number
DE2643993A1
DE2643993A1 DE19762643993 DE2643993A DE2643993A1 DE 2643993 A1 DE2643993 A1 DE 2643993A1 DE 19762643993 DE19762643993 DE 19762643993 DE 2643993 A DE2643993 A DE 2643993A DE 2643993 A1 DE2643993 A1 DE 2643993A1
Authority
DE
Germany
Prior art keywords
alarm
circuit
digital clock
time
counter
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19762643993
Other languages
German (de)
English (en)
Inventor
Yoshio Hozumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of DE2643993A1 publication Critical patent/DE2643993A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G11/00—Producing optical signals at preselected times
    • 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
    • G04G13/026—Producing acoustic time signals at preselected times, e.g. alarm clocks acting at a number of different times

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
DE19762643993 1975-10-01 1976-09-29 Digitaluhr Withdrawn DE2643993A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11922075A JPS5242773A (en) 1975-10-01 1975-10-01 Digital alarm watch

Publications (1)

Publication Number Publication Date
DE2643993A1 true DE2643993A1 (de) 1977-04-07

Family

ID=14755918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762643993 Withdrawn DE2643993A1 (de) 1975-10-01 1976-09-29 Digitaluhr

Country Status (5)

Country Link
JP (1) JPS5242773A (pt)
BR (1) BR7606510A (pt)
DE (1) DE2643993A1 (pt)
FR (1) FR2326732A1 (pt)
GB (1) GB1507441A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050350A2 (fr) * 1980-10-21 1982-04-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Procédé pour comparer un état horaire et le contenu d'un registre dans une pièce d'horlogerie à 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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111674Y2 (pt) * 1978-03-08 1986-04-12
JPS5558488A (en) * 1978-10-26 1980-05-01 Seikosha Co Ltd Electronic watch
JPS5569866A (en) * 1978-11-21 1980-05-26 Canon Inc Electronic apparatus
GB2209616B (en) * 1987-09-10 1991-06-26 Clonard Electronic Services Lt Changeover switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411476B2 (pt) * 1973-05-08 1979-05-15
DE2425254C3 (de) * 1973-05-28 1980-11-20 Citizen Watch Co., Ltd., Tokio Tragbare elektronische Uhr

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050350A2 (fr) * 1980-10-21 1982-04-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Procédé pour comparer un état horaire et le contenu d'un registre dans une pièce d'horlogerie à rappel, circuit pour sa mise en oeuvre et utilisation de ce circuit
EP0050350A3 (en) * 1980-10-21 1982-05-26 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Process for comparing the actual time with the contents of a register in an alarm timepiece, circuit therefor and utilisation of said 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

Also Published As

Publication number Publication date
JPS5242773A (en) 1977-04-02
BR7606510A (pt) 1977-06-28
GB1507441A (en) 1978-04-12
FR2326732A1 (fr) 1977-04-29

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Legal Events

Date Code Title Description
8130 Withdrawal