GB2233478B - Power supply arrangement for luminous hands of a timepiece - Google Patents

Power supply arrangement for luminous hands of a timepiece

Info

Publication number
GB2233478B
GB2233478B GB9013842A GB9013842A GB2233478B GB 2233478 B GB2233478 B GB 2233478B GB 9013842 A GB9013842 A GB 9013842A GB 9013842 A GB9013842 A GB 9013842A GB 2233478 B GB2233478 B GB 2233478B
Authority
GB
United Kingdom
Prior art keywords
timepiece
power supply
supply arrangement
luminous hands
luminous
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 - Fee Related
Application number
GB9013842A
Other languages
English (en)
Other versions
GB9013842D0 (en
GB2233478A (en
Inventor
Isato Watanabe
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.)
Seikosha KK
Original Assignee
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 Seikosha KK filed Critical Seikosha KK
Publication of GB9013842D0 publication Critical patent/GB9013842D0/en
Publication of GB2233478A publication Critical patent/GB2233478A/en
Application granted granted Critical
Publication of GB2233478B publication Critical patent/GB2233478B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • G04B19/305—Illumination of dials or hands the hands carrying the light source
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Measuring Devices (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
GB9013842A 1989-06-26 1990-06-21 Power supply arrangement for luminous hands of a timepiece Expired - Fee Related GB2233478B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1163175A JPH0326987A (ja) 1989-06-26 1989-06-26 発光針の電力供給装置

Publications (3)

Publication Number Publication Date
GB9013842D0 GB9013842D0 (en) 1990-08-15
GB2233478A GB2233478A (en) 1991-01-09
GB2233478B true GB2233478B (en) 1993-05-19

Family

ID=15768672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9013842A Expired - Fee Related GB2233478B (en) 1989-06-26 1990-06-21 Power supply arrangement for luminous hands of a timepiece

Country Status (5)

Country Link
US (1) US4993005A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0326987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR940004395B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4019985A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2233478B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2799957B2 (ja) * 1994-10-27 1998-09-21 セイコークロック株式会社 Ｅｌ発光針
US5751662A (en) * 1997-01-28 1998-05-12 Shaw; Sen-Yen Illuminating timepiece
US6164820A (en) * 1998-05-06 2000-12-26 Siemens Aktiengesellschaft X-ray examination system particulary for computed tomography and mammography
US6593796B1 (en) 2000-09-20 2003-07-15 Sipex Corporation Method and apparatus for powering multiple AC loads using overlapping H-bridge circuits
WO2005059662A2 (en) * 2003-12-17 2005-06-30 Pixdro Ltd. Method for allowing a timepiece to be more easily read in low ambient light conditions and a timepiece for use therewith
KR101214934B1 (ko) * 2005-01-27 2012-12-24 삼성디스플레이 주식회사 광학 렌즈, 이를 갖는 광학 모듈, 이를 갖는 백라이트어셈블리 및 이를 갖는 표시장치
US7505370B2 (en) * 2006-05-23 2009-03-17 Sony Ericsson Mobile Communications Ab Clock display
EP2950167B1 (fr) * 2014-05-27 2016-07-27 The Swatch Group Research and Development Ltd. Aiguille d'affichage lumineuse pour objet portable tel qu'une montre ou un instrument de mesure
EP2950166B1 (fr) * 2014-05-27 2019-02-20 The Swatch Group Research and Development Ltd. Jeu d'aiguilles d'affichage lumineuses pour objet portable tel qu'une montre ou un instrument de mesure
EP2950168B1 (fr) * 2014-05-27 2016-10-12 The Swatch Group Research and Development Ltd. Jeu d'aiguilles d'affichage lumineuses pour objet portable tel qu'une montre ou un instrument de mesure
EP4102309B1 (fr) * 2021-06-08 2025-03-26 The Swatch Group Research and Development Ltd Piece d'horlogerie comprenant un element d'habillage muni d'une partie en zircone
EP4102307A1 (fr) * 2021-06-08 2022-12-14 The Swatch Group Research and Development Ltd Pièce d'horlogerie à illumination localisée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655783A (en) * 1949-09-26 1953-10-20 Uschkamp Walter Luminous clock with neon-illumination of dial and hands
US3079748A (en) * 1960-06-27 1963-03-05 Sylvania Electric Prod Illuminated electronic time piece
DE3930329C2 (de) * 1988-09-19 1994-09-01 Seikosha Kk Anordnung zur Stromzufuhr für einen mit einem Leuchtelement versehenen Zeiger
JPH02179493A (ja) * 1988-12-29 1990-07-12 Seikosha Co Ltd 負荷付き指針の電力供給装置

Also Published As

Publication number Publication date
JPH0575996B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-21
GB9013842D0 (en) 1990-08-15
US4993005A (en) 1991-02-12
KR940004395B1 (ko) 1994-05-25
DE4019985A1 (de) 1991-01-17
DE4019985C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-06
KR910001500A (ko) 1991-01-31
JPH0326987A (ja) 1991-02-05
GB2233478A (en) 1991-01-09

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19940805

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960621