DE2715892A1 - Zeituhr und stoppuhr umfassende elektronische kleinuhr - Google Patents

Zeituhr und stoppuhr umfassende elektronische kleinuhr

Info

Publication number
DE2715892A1
DE2715892A1 DE19772715892 DE2715892A DE2715892A1 DE 2715892 A1 DE2715892 A1 DE 2715892A1 DE 19772715892 DE19772715892 DE 19772715892 DE 2715892 A DE2715892 A DE 2715892A DE 2715892 A1 DE2715892 A1 DE 2715892A1
Authority
DE
Germany
Prior art keywords
information
stopwatch
interval
push
display device
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.)
Pending
Application number
DE19772715892
Other languages
German (de)
English (en)
Inventor
Ronald D Epperson
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE2715892A1 publication Critical patent/DE2715892A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electrophonic Musical Instruments (AREA)
DE19772715892 1976-04-26 1977-04-09 Zeituhr und stoppuhr umfassende elektronische kleinuhr Pending DE2715892A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/679,953 US4058971A (en) 1976-04-26 1976-04-26 Digital wristwatch and stopwatch

Publications (1)

Publication Number Publication Date
DE2715892A1 true DE2715892A1 (de) 1977-10-27

Family

ID=24729054

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772715892 Pending DE2715892A1 (de) 1976-04-26 1977-04-09 Zeituhr und stoppuhr umfassende elektronische kleinuhr

Country Status (7)

Country Link
US (1) US4058971A (enExample)
JP (1) JPS52131766A (enExample)
CH (1) CH615320B (enExample)
DE (1) DE2715892A1 (enExample)
FR (1) FR2349869A1 (enExample)
GB (1) GB1553784A (enExample)
HK (1) HK34580A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31401E (en) * 1975-12-19 1983-10-04 Kabushiki Kaisha Daini Seikosha Electronic timepiece
JPS52138165A (en) * 1976-05-14 1977-11-18 Casio Comput Co Ltd Electronic clock device
JPS52141671A (en) * 1976-05-20 1977-11-26 Sharp Corp Digital display electronic watch with stop watch
JPS5363058A (en) * 1976-11-18 1978-06-06 Seiko Epson Corp Electronic watch
US4164844A (en) * 1977-07-13 1979-08-21 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Timepiece display indicator
IT1109842B (it) * 1978-01-27 1985-12-23 Eurodomestici Ind Riunite Dispositivo per selezionare valori di elementi di dati
JPS582519Y2 (ja) * 1979-04-16 1983-01-17 新東工業株式会社 模型板装置
US4260855A (en) * 1979-06-08 1981-04-07 Rubinstein Morton K Telephone timer device
JP2545526Y2 (ja) * 1988-12-21 1997-08-25 オムロン株式会社 電子式タイムスイッチの時刻設定機構
US5119346A (en) * 1990-01-16 1992-06-02 Deborah J. Henderson Child alarm system
US4989188A (en) * 1990-01-16 1991-01-29 Timex Corporation Program to display an alternate mode in a multimode timepiece
US5134565A (en) * 1990-12-21 1992-07-28 Heinz Herbertz Electronic scoring device for tennis competitions
US6545952B1 (en) * 2000-03-16 2003-04-08 Equitime, Inc. Ordered multichronographic time sequences
US20030080281A1 (en) * 2001-10-30 2003-05-01 Tai-Her Yang Light activated optically controlled display unit
JP2007286042A (ja) * 2006-04-13 2007-11-01 Hee Jerng Lee 受験生用時計及び面積変動式タイマー表示装置
USD735589S1 (en) * 2012-02-28 2015-08-04 Movado Llc Watch case
JP6657699B2 (ja) * 2015-09-16 2020-03-04 セイコーエプソン株式会社 計時装置及び計時方法、並びに、電子機器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014472B1 (enExample) * 1969-08-31 1975-05-28
JPS5219979B2 (enExample) * 1972-04-17 1977-05-31
US3813533A (en) * 1972-06-02 1974-05-28 Garrett Comtronics Corp Clock calculator
JPS4953476A (enExample) * 1972-09-22 1974-05-24
JPS4960264A (enExample) * 1972-10-09 1974-06-11
CH1021673A4 (fr) * 1973-07-13 1974-11-15 Ebauches Sa Dispositif de commande pour la remise à l'heure d'une pièce d'horlogerie
US3939640A (en) * 1974-12-12 1976-02-24 Kahn Leonard R System for illuminating the display of a wrist watch

Also Published As

Publication number Publication date
CH615320B (de)
JPS52131766A (en) 1977-11-04
FR2349869A1 (fr) 1977-11-25
CH615320GA3 (enExample) 1980-01-31
GB1553784A (en) 1979-10-10
US4058971A (en) 1977-11-22
HK34580A (en) 1980-07-01

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Legal Events

Date Code Title Description
OHW Rejection