CH651441GA3 - - Google Patents
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- Publication number
- CH651441GA3 CH651441GA3 CH569881A CH569881A CH651441GA3 CH 651441G A3 CH651441G A3 CH 651441GA3 CH 569881 A CH569881 A CH 569881A CH 569881 A CH569881 A CH 569881A CH 651441G A3 CH651441G A3 CH 651441GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit
- step down
- current
- battery
- voltage
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Logic Circuits (AREA)
- Control Of Eletrric Generators (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electromechanical Clocks (AREA)
- Dc-Dc Converters (AREA)
- Electric Clocks (AREA)
- Direct Current Feeding And Distribution (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Electronic Switches (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55135872A JPS5761981A (en) | 1980-10-01 | 1980-10-01 | Electronic circuit using voltage reguction means |
Publications (1)
Publication Number | Publication Date |
---|---|
CH651441GA3 true CH651441GA3 (nl) | 1985-09-30 |
Family
ID=15161737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH569881A CH651441GA3 (nl) | 1980-10-01 | 1981-09-04 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4428040A (nl) |
JP (1) | JPS5761981A (nl) |
KR (1) | KR850000814B1 (nl) |
CH (1) | CH651441GA3 (nl) |
DE (1) | DE3134540A1 (nl) |
GB (3) | GB2086156B (nl) |
HK (3) | HK43486A (nl) |
IN (1) | IN154218B (nl) |
MY (1) | MY8600578A (nl) |
Families Citing this family (23)
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 |
JPS60249821A (ja) * | 1984-05-23 | 1985-12-10 | セイコーインスツルメンツ株式会社 | 充放電回路 |
US4672303A (en) * | 1986-08-28 | 1987-06-09 | International Business Machines Corporation | Inductor current control circuit |
US4730122A (en) * | 1986-09-18 | 1988-03-08 | International Business Machines Corporation | Power supply adapter systems |
US4868908A (en) * | 1988-10-18 | 1989-09-19 | Ventritex | Power supply down-conversion, regulation and low battery detection system |
JP2633984B2 (ja) * | 1990-10-12 | 1997-07-23 | 株式会社三協精機製作所 | ブラシレスモータの駆動回路 |
KR920010633A (ko) * | 1990-11-30 | 1992-06-26 | 김광호 | 반도체 메모리 장치의 기준전압 발생회로 |
CH691010A5 (fr) * | 1997-01-09 | 2001-03-30 | Asulab Sa | Appareil électrique fonctionnant à l'aide d'une source photovoltaïque, notamment pièce d'horlogerie. |
EP0853265B1 (fr) * | 1997-01-09 | 2002-04-24 | Asulab S.A. | Appareil électrique fonctionnant à l'aide d'une source photovoltaique notamment pièce d'horlogerie |
AU6179398A (en) * | 1997-02-11 | 1998-08-26 | Foxboro Company, The | Charged pump for dividing input voltage and multiplying output current |
JP3678075B2 (ja) * | 1998-12-09 | 2005-08-03 | セイコーエプソン株式会社 | 電源装置およびその制御方法、携帯型電子機器、計時装置およびその制御方法 |
US6636459B1 (en) * | 1999-04-28 | 2003-10-21 | Citizen Watch Co., Ltd. | Electronic clock and method of controlling the clock |
DE60105758T2 (de) * | 2000-01-07 | 2005-10-06 | Widex A/S | Digitales hörhilfegerät mit spannungswandler |
WO2001098843A1 (fr) * | 2000-06-21 | 2001-12-27 | Citizen Watch Co.,Ltd. | Horloge electronique generatrice d'energie et son procede de commande |
AU2003903787A0 (en) * | 2003-07-22 | 2003-08-07 | Sergio Adolfo Maiocchi | A system for operating a dc motor |
TW595087B (en) * | 2003-09-12 | 2004-06-21 | Holtek Semiconductor Inc | Circuit framework capable of providing stable clock |
EP1528457B1 (fr) * | 2003-10-31 | 2009-10-21 | Asulab S.A. | Système à dépassement variable de temps pour un appareil électronique portable alimenté par une pile |
EP1720237A1 (en) * | 2005-05-04 | 2006-11-08 | Harman Becker Automotive Systems GmbH | Circuit and method for reducing a supply voltage |
CN101609349B (zh) * | 2008-06-20 | 2011-05-11 | 瑞昱半导体股份有限公司 | 时钟产生器 |
US8541992B2 (en) * | 2008-08-29 | 2013-09-24 | Nxp B.V. | Voltage converter |
WO2014075630A1 (en) * | 2012-11-19 | 2014-05-22 | Shenzhen Byd Auto R & D Company Limited | Protective device and protective system for battery assembly |
US9347998B2 (en) * | 2013-04-17 | 2016-05-24 | Allegro Microsystems, Llc | System and method for measuring battery voltage |
JP6385176B2 (ja) * | 2014-07-16 | 2018-09-05 | エイブリック株式会社 | アナログ電子時計 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064468A (en) * | 1975-08-29 | 1977-12-20 | Sharp Kabushiki Kaisha | Low voltage compensator for power supply in a complementary MOS transistor crystal oscillator circuit |
JPS53115269A (en) * | 1977-03-17 | 1978-10-07 | Seiko Epson Corp | Electronic watch |
CH608327GA3 (nl) * | 1976-01-19 | 1979-01-15 | ||
GB2001459A (en) * | 1977-07-01 | 1979-01-31 | Citizen Watch Co Ltd | Electronic timepiece |
US4205518A (en) * | 1975-09-27 | 1980-06-03 | Citizen Watch Co., Ltd. | Voltage conversion system for electronic timepiece |
GB2050097A (en) * | 1979-04-10 | 1980-12-31 | Citizen Watch Co Ltd | Voltage control circuit |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2347404C2 (de) * | 1972-09-20 | 1982-08-19 | Citizen Watch Co., Ltd., Tokyo | Spannungserhöhungsschaltung für Uhren |
US3879648A (en) * | 1973-12-17 | 1975-04-22 | Ibm | Capacitive based voltage reducer and regulator |
CH593510B5 (nl) * | 1975-08-14 | 1977-12-15 | Ebauches Sa | |
IT1073440B (it) * | 1975-09-22 | 1985-04-17 | Seiko Instr & Electronics | Circuito elevatore di tensione realizzato in mos-fet |
GB1567476A (en) * | 1975-09-27 | 1980-05-14 | Citizen Watch Co Ltd | Electro-optical display drive system |
JPS5240371A (en) * | 1975-09-27 | 1977-03-29 | Citizen Watch Co Ltd | Electronic watch |
JPS52128100A (en) * | 1976-04-21 | 1977-10-27 | Toshiba Corp | Driver circuit |
CH621917B (fr) * | 1977-06-27 | Centre Electron Horloger | Dispositif integre de commande. | |
JPS5557890A (en) * | 1978-06-05 | 1980-04-30 | Sanyo Electric Co | Voltage step down circuit |
US4328572A (en) * | 1979-08-14 | 1982-05-04 | Citizen Watch Company Limited | Voltage control system for electronic timepiece |
JPS5658746A (en) * | 1979-10-19 | 1981-05-21 | Casio Computer Co Ltd | Power source supply system |
DE2950948C2 (de) * | 1979-12-18 | 1982-06-09 | Casio Computer Co., Ltd., Tokyo | Energieversorgungsvorrichtung für ein elektronisches Gerät |
GB2077004B (en) * | 1980-05-22 | 1983-10-26 | Suwa Seikosha Kk | Improvements in or relating to electronic timepieces |
JPS576384A (en) * | 1980-06-13 | 1982-01-13 | Hitachi Ltd | Power source circuit and electronic watch using this |
JPS5731333A (en) * | 1980-07-31 | 1982-02-19 | Suwa Seikosha Kk | Power source circuit system |
-
1980
- 1980-10-01 JP JP55135872A patent/JPS5761981A/ja active Pending
-
1981
- 1981-07-30 IN IN859/CAL/81A patent/IN154218B/en unknown
- 1981-08-03 KR KR1019810002805A patent/KR850000814B1/ko not_active IP Right Cessation
- 1981-08-13 US US06/292,584 patent/US4428040A/en not_active Expired - Lifetime
- 1981-09-01 DE DE3134540A patent/DE3134540A1/de not_active Ceased
- 1981-09-04 CH CH569881A patent/CH651441GA3/de unknown
- 1981-09-29 GB GB8129362A patent/GB2086156B/en not_active Expired
-
1983
- 1983-10-12 GB GB08327324A patent/GB2142489B/en not_active Expired
- 1983-10-12 GB GB08327326A patent/GB2142490B/en not_active Expired
-
1986
- 1986-06-09 HK HK434/86A patent/HK43486A/xx unknown
- 1986-06-19 HK HK468/86A patent/HK46886A/xx unknown
- 1986-09-18 HK HK706/86A patent/HK70686A/xx unknown
- 1986-12-30 MY MY578/86A patent/MY8600578A/xx unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064468A (en) * | 1975-08-29 | 1977-12-20 | Sharp Kabushiki Kaisha | Low voltage compensator for power supply in a complementary MOS transistor crystal oscillator circuit |
US4205518A (en) * | 1975-09-27 | 1980-06-03 | Citizen Watch Co., Ltd. | Voltage conversion system for electronic timepiece |
CH608327GA3 (nl) * | 1976-01-19 | 1979-01-15 | ||
JPS53115269A (en) * | 1977-03-17 | 1978-10-07 | Seiko Epson Corp | Electronic watch |
GB2001459A (en) * | 1977-07-01 | 1979-01-31 | Citizen Watch Co Ltd | Electronic timepiece |
GB2050097A (en) * | 1979-04-10 | 1980-12-31 | Citizen Watch Co Ltd | Voltage control circuit |
Non-Patent Citations (1)
Title |
---|
PATENTS ABSTRACTS OF JAPAN, vol. 2, no. 147, Seite 9346 E 78 & JP - A - 53 115 269 (7-10-1978) * |
Also Published As
Publication number | Publication date |
---|---|
GB2086156A (en) | 1982-05-06 |
US4428040A (en) | 1984-01-24 |
GB2142490B (en) | 1985-07-24 |
GB2086156B (en) | 1985-02-20 |
IN154218B (nl) | 1984-10-06 |
GB2142490A (en) | 1985-01-16 |
HK46886A (en) | 1986-06-27 |
KR850000814B1 (ko) | 1985-06-14 |
GB8327324D0 (en) | 1983-11-16 |
KR830006722A (ko) | 1983-10-06 |
HK70686A (en) | 1986-09-26 |
MY8600578A (en) | 1986-12-31 |
GB2142489B (en) | 1985-07-24 |
GB8327326D0 (en) | 1983-11-16 |
JPS5761981A (en) | 1982-04-14 |
DE3134540A1 (de) | 1982-05-13 |
GB2142489A (en) | 1985-01-16 |
HK43486A (en) | 1986-06-20 |
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