HK1058972A1 - Method and device for lighting an electronic or electromechanical apparatus - Google Patents

Method and device for lighting an electronic or electromechanical apparatus

Info

Publication number
HK1058972A1
HK1058972A1 HK04101667.6A HK04101667A HK1058972A1 HK 1058972 A1 HK1058972 A1 HK 1058972A1 HK 04101667 A HK04101667 A HK 04101667A HK 1058972 A1 HK1058972 A1 HK 1058972A1
Authority
HK
Hong Kong
Prior art keywords
lighting
electronic
electromechanical apparatus
electromechanical
Prior art date
Application number
HK04101667.6A
Other languages
English (en)
Inventor
Romano Cristoni
Gian-Carlo Poli
Joachim Grupp
Original Assignee
Asulab Sa
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 Asulab Sa filed Critical Asulab Sa
Publication of HK1058972A1 publication Critical patent/HK1058972A1/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C19/00—Producing optical time signals at prefixed times by electric means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
HK04101667.6A 2002-03-05 2004-03-05 Method and device for lighting an electronic or electromechanical apparatus HK1058972A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3832002 2002-03-05

Publications (1)

Publication Number Publication Date
HK1058972A1 true HK1058972A1 (en) 2004-06-11

Family

ID=27768323

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04101667.6A HK1058972A1 (en) 2002-03-05 2004-03-05 Method and device for lighting an electronic or electromechanical apparatus

Country Status (6)

Country Link
US (3) US6894440B2 (xx)
JP (1) JP4308548B2 (xx)
KR (1) KR101010396B1 (xx)
CN (1) CN100449429C (xx)
HK (1) HK1058972A1 (xx)
TW (1) TW574638B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7465068B2 (en) * 2004-04-02 2008-12-16 Ixi Mobile (R&D), Ltd. Illumination system and method for a mobile computing device
TWI280526B (en) * 2005-03-18 2007-05-01 Mitac Int Corp Method of automatically switching displaying mode of navigation map
DE102005042082A1 (de) * 2005-09-05 2007-03-08 Austriamicrosystems Ag Schaltungsanordnung mit Leuchtdiode und Verfahren zur Steuerung einer Leuchtdiode
US8851356B1 (en) 2008-02-14 2014-10-07 Metrospec Technology, L.L.C. Flexible circuit board interconnection and methods
US11266014B2 (en) 2008-02-14 2022-03-01 Metrospec Technology, L.L.C. LED lighting systems and method
US8143631B2 (en) 2008-03-06 2012-03-27 Metrospec Technology Llc Layered structure for use with high power light emitting diode systems
US8007286B1 (en) 2008-03-18 2011-08-30 Metrospec Technology, Llc Circuit boards interconnected by overlapping plated through holes portions
US10334735B2 (en) 2008-02-14 2019-06-25 Metrospec Technology, L.L.C. LED lighting systems and methods
US8410720B2 (en) * 2008-04-07 2013-04-02 Metrospec Technology, LLC. Solid state lighting circuit and controls
JP5350912B2 (ja) * 2009-04-13 2013-11-27 セイコーインスツル株式会社 光検出回路及び電子機器
US8431408B2 (en) 2010-10-15 2013-04-30 Roche Diagnostics Operations, Inc. Handheld diabetes managing device with light pipe for enhanced illumination
US9345091B2 (en) * 2013-02-08 2016-05-17 Cree, Inc. Light emitting device (LED) light fixture control systems and related methods
US10849200B2 (en) 2018-09-28 2020-11-24 Metrospec Technology, L.L.C. Solid state lighting circuit with current bias and method of controlling thereof

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756013A (en) * 1970-05-06 1973-09-04 Hmw Industries Solid state watch
US4006583A (en) * 1970-10-30 1977-02-08 Centre Electronique Horloger S.A. Electronic display device for timepiece and the like
US3757511A (en) * 1971-05-17 1973-09-11 Motorola Inc Light emitting diode display for electronic timepiece
JPS54122165A (en) 1978-03-15 1979-09-21 Matsushita Electric Works Ltd Battery driven watch
US4181916A (en) * 1978-03-27 1980-01-01 Rca Corporation Liquid crystal channel number display responsive to ambient light level
US4253170A (en) * 1979-01-02 1981-02-24 Meisner Arthur L Time indicating light fixture
DE3035944C2 (de) 1980-09-24 1983-06-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Optische Halbleiteranzeigevorrichtung
US4423963A (en) * 1981-09-18 1984-01-03 Citizen Watch Company Limited Electronic timepiece having illumination level
GB2178581B (en) * 1985-07-12 1989-07-19 Canon Kk Liquid crystal apparatus and driving method therefor
KR910009735B1 (ko) 1988-09-19 1991-11-29 가부시끼가이샤 세이꼬샤 발광소자 부착 지침의 전력 공급 장치
JPH02107991A (ja) * 1988-10-17 1990-04-19 Seikosha Co Ltd 発光装置付時計
CN2105085U (zh) * 1991-11-16 1992-05-20 陆燕 光控夜光钟
US5751662A (en) * 1997-01-28 1998-05-12 Shaw; Sen-Yen Illuminating timepiece
EP0860755B1 (fr) 1997-02-20 2002-06-12 Asulab S.A. Dispositif d'illumination uniforme du cadran d'un appareil d'affichage
US5886954A (en) * 1997-08-20 1999-03-23 Casio Computer Co., Ltd. Electronic devices with a solar cell
US6095661A (en) * 1998-03-19 2000-08-01 Ppt Vision, Inc. Method and apparatus for an L.E.D. flashlight
US6106127A (en) * 1999-03-19 2000-08-22 Luminary Logic Ltd. Illuminating device for watches, gauges and similar devices
JP4594466B2 (ja) * 1999-10-20 2010-12-08 日東光学株式会社 発光兼受光回路
FI110211B (fi) * 1999-12-31 2002-12-13 Nokia Corp Valaistusolosuhteiden mittaus
JP2001203078A (ja) 2000-01-19 2001-07-27 Tdk Corp 発光受光素子の駆動装置、発光受光装置、通信システムおよび表示装置

Also Published As

Publication number Publication date
CN1442766A (zh) 2003-09-17
US6894440B2 (en) 2005-05-17
TW200305069A (en) 2003-10-16
US20050145775A1 (en) 2005-07-07
JP2003315471A (ja) 2003-11-06
CN100449429C (zh) 2009-01-07
US20030168998A1 (en) 2003-09-11
JP4308548B2 (ja) 2009-08-05
KR101010396B1 (ko) 2011-01-21
US7550930B2 (en) 2009-06-23
KR20030074200A (ko) 2003-09-19
US20060197472A1 (en) 2006-09-07
TW574638B (en) 2004-02-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210309