GB2104255B - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB2104255B
GB2104255B GB08217057A GB8217057A GB2104255B GB 2104255 B GB2104255 B GB 2104255B GB 08217057 A GB08217057 A GB 08217057A GB 8217057 A GB8217057 A GB 8217057A GB 2104255 B GB2104255 B GB 2104255B
Authority
GB
United Kingdom
Prior art keywords
boosting
piezo
driving
booster circuit
display portion
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
GB08217057A
Other languages
English (en)
Other versions
GB2104255A (en
Inventor
Makoto Ueda
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB2104255A publication Critical patent/GB2104255A/en
Application granted granted Critical
Publication of GB2104255B publication Critical patent/GB2104255B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • 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
    • H05B44/00—Circuit arrangements for operating electroluminescent light sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Dc-Dc Converters (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB08217057A 1981-06-22 1982-06-11 Electronic timepiece Expired GB2104255B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096136A JPS57211087A (en) 1981-06-22 1981-06-22 Boosting circuit of electronic timepiece element

Publications (2)

Publication Number Publication Date
GB2104255A GB2104255A (en) 1983-03-02
GB2104255B true GB2104255B (en) 1984-10-24

Family

ID=14156967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08217057A Expired GB2104255B (en) 1981-06-22 1982-06-11 Electronic timepiece

Country Status (4)

Country Link
US (1) US4529322A (forum.php)
JP (1) JPS57211087A (forum.php)
CH (1) CH653519GA3 (forum.php)
GB (1) GB2104255B (forum.php)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634953A (en) * 1984-04-27 1987-01-06 Casio Computer Co., Ltd. Electronic equipment with solar cell
KR0151839B1 (ko) * 1989-05-26 1998-12-15 야마무라 가쓰미 전원 회로
DE4122984C2 (de) * 1990-07-11 2003-12-24 Brother Ind Ltd Ansteuereinrichtung für eine piezoelektrische Vorrichtung und Verfahren zum Betreiben einer Ansteuereinrichtung für eine piezoelektrische Vorrichtung
US5313141A (en) * 1993-04-22 1994-05-17 Durel Corporation Three terminal inverter for electroluminescent lamps
JPH07153569A (ja) 1993-11-29 1995-06-16 Seiko Instr Inc 照明付電子機器
WO1995023358A1 (fr) * 1994-02-25 1995-08-31 Citizen Watch Co., Ltd. Dispositif portatif a fonction de capteur
US5502357A (en) * 1994-10-03 1996-03-26 Durel Corporation Low cost inverter for EL lamp
GB2300529A (en) * 1995-05-05 1996-11-06 Micro Glory International Limi Driver circuit for electroluminescent devices
US5483503A (en) * 1995-06-30 1996-01-09 Durel Corporation Split chip inverter for EL lamp
EP0762805A1 (fr) * 1995-09-06 1997-03-12 Isa France S.A. Circuit d'alimentation pour cellule électroluminescente et procédé pour alimenter une telle cellule
CH689243B5 (fr) * 1995-09-21 1999-07-15 Ebauchesfabrik Eta Ag Générateur sonore, notamment pour pièce d'horlogerie.
US6407507B1 (en) 1996-05-09 2002-06-18 Durel Corporation Personal electronic device having EL lamp and buzzer powered from a single inductor
US5982105A (en) * 1997-11-10 1999-11-09 Applied Concepts, Inc. Transformerless electroluminescent lamp driver topology
US6181589B1 (en) 1999-07-02 2001-01-30 Durel Corporation Half-bridge inverter for coupling an EL lamp to a high voltage DC rail
JP4694681B2 (ja) * 1999-11-26 2011-06-08 セイコーインスツル株式会社 超音波モータ及び超音波モータ付き電子機器
US6580222B2 (en) 2001-02-20 2003-06-17 Durel Corporation Inverter for driving EL lamp and light emitting diodes
JP6308788B2 (ja) * 2013-03-27 2018-04-11 セイコーインスツル株式会社 電子機器及び衝撃検出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872330A (en) * 1973-10-25 1975-03-18 Rockwell International Corp High power acoustical transducer with elastic wave amplification
IT1016752B (it) * 1974-08-01 1977-06-20 Fiat Spa Circuito per il comando simultaneo impulsivo e la commutazione automa tica da trasmissione a ricezione per sistemi impieganti una plurali ta di trasduttori piezoelettrici ad ultrasuoni
JPS5744398Y2 (forum.php) * 1977-05-26 1982-09-30
DE2941388A1 (de) * 1979-10-12 1981-04-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer eine elektronische uhr mit weckeinrichtung
JPS5679987A (en) * 1979-12-04 1981-06-30 Citizen Watch Co Ltd Electronic timepiece with alarm function

Also Published As

Publication number Publication date
US4529322A (en) 1985-07-16
JPS57211087A (en) 1982-12-24
GB2104255A (en) 1983-03-02
CH653519GA3 (forum.php) 1986-01-15

Similar Documents

Publication Publication Date Title
GB2104255B (en) Electronic timepiece
CA2161492A1 (en) Watch with time information via silent vibration
CH635719B (fr) Montre electronique, notamment montre-bracelet electronique.
DE69407079D1 (de) Chronographuhr mit Datumanzeige
FR2404250B1 (forum.php)
JPS57151885A (en) Multi-functional watch
DE68928505D1 (de) Elektronische Weltuhranordnung zur Zeitanzeige für verschiedene Weltteile
JPS56103394A (en) Electronic wrist watch function controller
GB2060954B (en) Electronic timepiece
GB2043307B (en) Analogue alarm electronic timepieces
GB2062908B (en) Electronic timepieces
JPS5277779A (en) Led dispaly watch provided with alarm device
KR890700861A (ko) 시계의 다이얼판에다 기억된 시간 정보를 기억시키는 방법 및 시계
CH613593GA3 (en) Movement for ladies electronic wristwatch
JPS5382471A (en) Electronic watch
JPS5280167A (en) Electronic watch for the blind
DE59407371D1 (de) Elektronische Uhr
JPS533860A (en) Electronic wristwatch
CH607840GA3 (forum.php)
CH684456GA3 (fr) Montre électronique combinée avec un dispositif annexe.
JPS5320974A (en) Electronic watch with alarm
JPS5342771A (en) Perfect electronic watch
JPS5338368A (en) Alarm electronic watch
JPS5238969A (en) Time display method of electronic watches
JPS52106764A (en) Power supply unit of electronic wrist watch

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930611