GB1494293A - Combined electronic timepieces and chronographs - Google Patents

Combined electronic timepieces and chronographs

Info

Publication number
GB1494293A
GB1494293A GB47820/75A GB4782075A GB1494293A GB 1494293 A GB1494293 A GB 1494293A GB 47820/75 A GB47820/75 A GB 47820/75A GB 4782075 A GB4782075 A GB 4782075A GB 1494293 A GB1494293 A GB 1494293A
Authority
GB
United Kingdom
Prior art keywords
time
lap
indication
signal
measurement
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
GB47820/75A
Other languages
English (en)
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.)
Suwa Seikosha KK
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
Application filed by Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1494293A publication Critical patent/GB1494293A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Communication Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Electric Clocks (AREA)
GB47820/75A 1974-11-25 1975-11-20 Combined electronic timepieces and chronographs Expired GB1494293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49135324A JPS6045383B2 (ja) 1974-11-25 1974-11-25 電子式時計体

Publications (1)

Publication Number Publication Date
GB1494293A true GB1494293A (en) 1977-12-07

Family

ID=15149083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47820/75A Expired GB1494293A (en) 1974-11-25 1975-11-20 Combined electronic timepieces and chronographs

Country Status (6)

Country Link
US (1) US4023345A (enExample)
JP (1) JPS6045383B2 (enExample)
CH (1) CH615080B (enExample)
GB (1) GB1494293A (enExample)
HK (1) HK82579A (enExample)
MY (1) MY8000207A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110966A (en) * 1975-12-26 1978-09-05 Casio Computer Co., Ltd. Electronic timepiece with stop watch
JPS52138165A (en) * 1976-05-14 1977-11-18 Casio Comput Co Ltd Electronic clock device
DE2631590C2 (de) * 1976-07-14 1986-07-10 Diehl GmbH & Co, 8500 Nürnberg Elektronisches Haushaltsgerät mit laufender digitaler Anzeige der Zeit
JPS5395076A (en) * 1977-01-31 1978-08-19 Toshiba Corp Electronic watch
US4164844A (en) * 1977-07-13 1979-08-21 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Timepiece display indicator
JPS5654492U (enExample) * 1979-10-02 1981-05-13
CH641923B (fr) * 1980-02-12 Ebauches Sa Montre munie d'un micro-ordinateur.
US4478523A (en) * 1981-03-24 1984-10-23 Sharp Kabushiki Kaisha Speech synthesizer timepiece with minimal number of keys for time announcements
DE69942553D1 (de) * 1998-04-21 2010-08-12 Seiko Epson Corp Vorrichtung und Verfahren zur Zeitmessung
US6357746B1 (en) 1999-08-09 2002-03-19 Craig Sadowski Gaming chip with built-in timer
US7317664B2 (en) * 2005-04-19 2008-01-08 Jeff Klein Multiplayer gaming button
US11511177B2 (en) * 2020-07-06 2022-11-29 Z Enterprises Pool lap counter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686880A (en) * 1970-09-04 1972-08-29 Toshihide Samejima Electronically controlled stop watch
US3795099A (en) * 1971-02-18 1974-03-05 Y Tsuruishi Electronic timepiece having a chronograph mechanism
IT952097B (it) * 1971-03-08 1973-07-20 Suwa Seikosha Kk Perfezionamento nei sistemi di misura del tempo a indicazione numerica
GB1391995A (en) * 1971-04-27 1975-04-23 Seikosha Kk Electric timepieces
GB1428121A (en) * 1972-06-02 1976-03-17 Rca Corp Electronic time measurement
JPS4953476A (enExample) * 1972-09-22 1974-05-24
JPS503376A (enExample) * 1973-05-11 1975-01-14

Also Published As

Publication number Publication date
HK82579A (en) 1979-12-14
JPS6045383B2 (ja) 1985-10-09
CH615080B (de)
JPS5160569A (en) 1976-05-26
MY8000207A (en) 1980-12-31
CH615080GA3 (enExample) 1980-01-15
US4023345A (en) 1977-05-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19951119