DE2556752C2 - Digitale elektronische Uhr - Google Patents

Digitale elektronische Uhr

Info

Publication number
DE2556752C2
DE2556752C2 DE2556752A DE2556752A DE2556752C2 DE 2556752 C2 DE2556752 C2 DE 2556752C2 DE 2556752 A DE2556752 A DE 2556752A DE 2556752 A DE2556752 A DE 2556752A DE 2556752 C2 DE2556752 C2 DE 2556752C2
Authority
DE
Germany
Prior art keywords
time
circuit
coincidence
memory
digital electronic
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.)
Expired
Application number
DE2556752A
Other languages
German (de)
English (en)
Other versions
DE2556752A1 (de
Inventor
Kojiro Yachiyo Chiba Tanaka
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 And Electronics Ltd Tokio/tokyo
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 And Electronics Ltd Tokio/tokyo, Seiko Instruments Inc filed Critical Seiko Instruments And Electronics Ltd Tokio/tokyo
Publication of DE2556752A1 publication Critical patent/DE2556752A1/de
Application granted granted Critical
Publication of DE2556752C2 publication Critical patent/DE2556752C2/de
Expired 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
    • 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
    • G04G9/087—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques provided with means for displaying at will a time indication or a date or a part thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
DE2556752A 1974-12-20 1975-12-17 Digitale elektronische Uhr Expired DE2556752C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49147273A JPS5172471A (en, 2012) 1974-12-20 1974-12-20

Publications (2)

Publication Number Publication Date
DE2556752A1 DE2556752A1 (de) 1976-06-24
DE2556752C2 true DE2556752C2 (de) 1984-05-24

Family

ID=15426470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2556752A Expired DE2556752C2 (de) 1974-12-20 1975-12-17 Digitale elektronische Uhr

Country Status (6)

Country Link
US (1) US4045951A (en, 2012)
JP (1) JPS5172471A (en, 2012)
DE (1) DE2556752C2 (en, 2012)
FR (1) FR2295470A1 (en, 2012)
GB (1) GB1493640A (en, 2012)
HK (1) HK14782A (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303996A (en) 1977-01-12 1981-12-01 Hughes Aircraft Company User programmable alpha-numeric message watch
JPS5833515B2 (ja) * 1977-07-05 1983-07-20 株式会社精工舎 時計
JPS5478175A (en) * 1977-12-02 1979-06-22 Seiko Epson Corp Electronic wristwatch with memory function
JPS54112065U (en, 2012) * 1977-12-27 1979-08-07
JPS5492366A (en) * 1977-12-29 1979-07-21 Seiko Epson Corp Electronic wristwatch with calendar
US4280209A (en) * 1978-06-07 1981-07-21 Bradley Time Division, Elgin National Electronic alarm clock
US4300221A (en) * 1978-07-06 1981-11-10 Kabushiki Kaisha Seikosha Electronic timepiece
JPS55127686A (en) * 1979-03-26 1980-10-02 Canon Kk Time memory unit
CH647924GA3 (en, 2012) * 1979-10-22 1985-02-28
JPS5679990A (en) 1979-12-05 1981-06-30 Casio Comput Co Ltd Miniature electronic apparatus
JPS56119882A (en) * 1980-02-26 1981-09-19 Casio Comput Co Ltd Electronic timepiece
CH641310B (fr) * 1980-06-10 Spacetronic Sa Montre electronique notamment montre-bracelet, a affichage digital, avec fonctions geographico-solaires.
JPS60133389A (ja) * 1983-10-31 1985-07-16 ジヨ−ジ・ピ−・シユライム デイジタル電子時計
CN103970006A (zh) * 2014-05-23 2014-08-06 苏州经贸职业技术学院 可预置定时电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255442A (en) * 1963-12-05 1966-06-07 James A Kimberlin Time display device for displaying the scheduled times in order of a series of consecutive events
US3646751A (en) * 1969-12-05 1972-03-07 Detection Sciences Digital timing system
GB1391235A (en) * 1972-01-22 1975-04-16 Suwa Seikosha Kk Digital wrist watch
JPS567195B2 (en, 2012) * 1972-04-08 1981-02-16
JPS5434297B2 (en, 2012) * 1972-06-24 1979-10-25
US3937004A (en) * 1973-05-28 1976-02-10 Citizen Watch Co., Ltd. Portable miniature type information treating device
JPS55260B2 (en, 2012) * 1973-06-04 1980-01-07
US3946549A (en) * 1973-12-26 1976-03-30 Uranus Electronics, Inc. Electronic alarm watch

Also Published As

Publication number Publication date
US4045951A (en) 1977-09-06
FR2295470B1 (en, 2012) 1979-02-02
HK14782A (en) 1982-04-02
JPS5172471A (en, 2012) 1976-06-23
FR2295470A1 (fr) 1976-07-16
DE2556752A1 (de) 1976-06-24
GB1493640A (en) 1977-11-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G04G 1/00

8127 New person/name/address of the applicant

Owner name: SEIKO INSTRUMENTS AND ELECTRONICS LTD., TOKIO, JP

D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings