HK4378A - Chronograph - Google Patents

Chronograph

Info

Publication number
HK4378A
HK4378A HK43/78A HK4378A HK4378A HK 4378 A HK4378 A HK 4378A HK 43/78 A HK43/78 A HK 43/78A HK 4378 A HK4378 A HK 4378A HK 4378 A HK4378 A HK 4378A
Authority
HK
Hong Kong
Prior art keywords
chronograph
Prior art date
Application number
HK43/78A
Other languages
English (en)
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 HK4378A publication Critical patent/HK4378A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently
    • 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)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electric Clocks (AREA)
HK43/78A 1972-10-09 1978-01-19 Chronograph HK4378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47101231A JPS4960264A (ja) 1972-10-09 1972-10-09

Publications (1)

Publication Number Publication Date
HK4378A true HK4378A (en) 1978-01-27

Family

ID=14295109

Family Applications (1)

Application Number Title Priority Date Filing Date
HK43/78A HK4378A (en) 1972-10-09 1978-01-19 Chronograph

Country Status (5)

Country Link
US (2) US3992871A (ja)
JP (1) JPS4960264A (ja)
GB (1) GB1412703A (ja)
HK (1) HK4378A (ja)
MY (1) MY7800074A (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376993A (en) * 1972-04-24 1983-03-15 Freeman Alfred B Electronic watch with sequential readout and control
JPS5120878A (ja) * 1974-08-10 1976-02-19 Casio Computer Co Ltd
US4022014A (en) * 1975-04-04 1977-05-10 Timex Corporation Combination wristwatch/chronograph/wrist calculator/measuring device
JPS52106768A (en) * 1975-04-22 1977-09-07 Casio Comput Co Ltd Stopwatch
JPS5245980A (en) * 1975-10-09 1977-04-12 Seiko Instr & Electronics Ltd Digital electronic watch
US4142362A (en) * 1976-03-26 1979-03-06 Citizen Watch Co. Ltd. Digital display timepiece
US4247927A (en) * 1976-04-07 1981-01-27 Citizen Watch Company Limited Digital electronic timepiece
US4058971A (en) * 1976-04-26 1977-11-22 Hughes Aircraft Company Digital wristwatch and stopwatch
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
CH641923B (fr) * 1980-02-12 Ebauches Sa Montre munie d'un micro-ordinateur.
JPH0718934B2 (ja) * 1986-11-18 1995-03-06 シチズン時計株式会社 ストツプウオツチ
US5197649A (en) * 1991-10-29 1993-03-30 The Trustees Of Columbia University In The City Of New York Gastrointestinal endoscoptic stapler
US5322033A (en) * 1992-08-10 1994-06-21 Doan Duc T Mechanism for indicating when to change engine oil
AU6518294A (en) * 1994-03-08 1995-09-25 T. Duc Doan Mechanism for indicating when to change engine oil
US6545952B1 (en) * 2000-03-16 2003-04-08 Equitime, Inc. Ordered multichronographic time sequences
US20060244572A1 (en) * 2006-05-22 2006-11-02 James Carr Scoreboard clock

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646751A (en) * 1969-12-05 1972-03-07 Detection Sciences Digital timing system
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
US3823551A (en) * 1971-05-03 1974-07-16 Riehl Electronics Corp Solid state electronic timepiece
US3961472A (en) * 1971-05-03 1976-06-08 Ragen Semiconductor, Inc. Solid state electronic timepiece
US3803827A (en) * 1973-02-01 1974-04-16 Time Computer Solid state electronic wristwatch

Also Published As

Publication number Publication date
MY7800074A (en) 1978-12-31
GB1412703A (en) 1975-11-05
US3992871A (en) 1976-11-23
JPS4960264A (ja) 1974-06-11
US4287585A (en) 1981-09-01

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