JPH0563752B2 - - Google Patents

Info

Publication number
JPH0563752B2
JPH0563752B2 JP63260868A JP26086888A JPH0563752B2 JP H0563752 B2 JPH0563752 B2 JP H0563752B2 JP 63260868 A JP63260868 A JP 63260868A JP 26086888 A JP26086888 A JP 26086888A JP H0563752 B2 JPH0563752 B2 JP H0563752B2
Authority
JP
Japan
Prior art keywords
light
brightness
emitting element
mode
light emitting
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
JP63260868A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02107991A (ja
Inventor
Katsuhito 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
Priority to JP63260868A priority Critical patent/JPH02107991A/ja
Priority to GB8923052A priority patent/GB2225635B/en
Priority to SG1995903431A priority patent/SG26347G/en
Priority to US07/422,630 priority patent/US4995016A/en
Publication of JPH02107991A publication Critical patent/JPH02107991A/ja
Publication of JPH0563752B2 publication Critical patent/JPH0563752B2/ja
Priority to HK45395A priority patent/HK45395A/xx
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Control Of El Displays (AREA)
  • Electroluminescent Light Sources (AREA)
JP63260868A 1988-10-17 1988-10-17 発光装置付時計 Granted JPH02107991A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP63260868A JPH02107991A (ja) 1988-10-17 1988-10-17 発光装置付時計
GB8923052A GB2225635B (en) 1988-10-17 1989-10-13 A timepiece with a light emitting device
SG1995903431A SG26347G (en) 1988-10-17 1989-10-13 A timepiece with a light emitting device
US07/422,630 US4995016A (en) 1988-10-17 1989-10-17 Timepiece with light emitting device
HK45395A HK45395A (en) 1988-10-17 1995-03-30 A timepiece with a light emitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63260868A JPH02107991A (ja) 1988-10-17 1988-10-17 発光装置付時計

Publications (2)

Publication Number Publication Date
JPH02107991A JPH02107991A (ja) 1990-04-19
JPH0563752B2 true JPH0563752B2 (en]) 1993-09-13

Family

ID=17353869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63260868A Granted JPH02107991A (ja) 1988-10-17 1988-10-17 発光装置付時計

Country Status (5)

Country Link
US (1) US4995016A (en])
JP (1) JPH02107991A (en])
GB (1) GB2225635B (en])
HK (1) HK45395A (en])
SG (1) SG26347G (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830741B2 (ja) * 1990-06-12 1996-03-27 株式会社精工舎 発光針の電力供給装置
KR960009878B1 (ko) * 1992-09-03 1996-07-24 요시무라 시로 알람 시계
US5539707A (en) * 1995-06-15 1996-07-23 Harris Corporation Electroluminescent lamp driver system
US5524101A (en) * 1995-06-26 1996-06-04 Timex Corporation Motion controlled clock with alarm and flashlight features
US5483503A (en) * 1995-06-30 1996-01-09 Durel Corporation Split chip inverter for EL lamp
EP1343059B1 (fr) * 2002-03-05 2011-12-21 Asulab S.A. Procédé ainsi que dispositif d'éclairage pour un appareil électronique ou électromécanique
TW574638B (en) * 2002-03-05 2004-02-01 Asulab Sa Method and device for lighting an electronic or electromechanical apparatus
JP6565139B2 (ja) * 2014-06-27 2019-08-28 カシオ計算機株式会社 電子時計

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006583A (en) * 1970-10-30 1977-02-08 Centre Electronique Horloger S.A. Electronic display device for timepiece and the like
JPS5548272B2 (en]) * 1972-12-25 1980-12-04
US4114366A (en) * 1976-08-02 1978-09-19 Texas Instruments Incorporated Digital brightness control system
US4207734A (en) * 1977-01-03 1980-06-17 Hughes Aircraft Company LED Digital watch with user control of display timing and brightness
US4253170A (en) * 1979-01-02 1981-02-24 Meisner Arthur L Time indicating light fixture
US4423963A (en) * 1981-09-18 1984-01-03 Citizen Watch Company Limited Electronic timepiece having illumination level
US4527096A (en) * 1984-02-08 1985-07-02 Timex Corporation Drive circuit for capacitive electroluminescent panels

Also Published As

Publication number Publication date
US4995016A (en) 1991-02-19
SG26347G (en) 1995-09-18
GB2225635A (en) 1990-06-06
GB8923052D0 (en) 1989-11-29
GB2225635B (en) 1992-09-16
JPH02107991A (ja) 1990-04-19
HK45395A (en) 1995-04-07

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees