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HK2295A - Device for programming a non volatile memory of a time piece - Google Patents

Device for programming a non volatile memory of a time piece

Info

Publication number
HK2295A
HK2295A HK2295A HK2295A HK2295A HK 2295 A HK2295 A HK 2295A HK 2295 A HK2295 A HK 2295A HK 2295 A HK2295 A HK 2295A HK 2295 A HK2295 A HK 2295A
Authority
HK
Hong Kong
Prior art keywords
frequency
volatile memory
timepiece
programming
non volatile
Prior art date
Application number
HK2295A
Other languages
English (en)
Inventor
Arthur Widacker Descombes
Original Assignee
Em Microelectronic Marin 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 Em Microelectronic Marin Sa filed Critical Em Microelectronic Marin Sa
Publication of HK2295A publication Critical patent/HK2295A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/002—Electrical measuring and testing apparatus
    • G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Read Only Memory (AREA)
HK2295A 1986-07-10 1995-01-05 Device for programming a non volatile memory of a time piece HK2295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH277386A CH664868GA3 (xx) 1986-07-10 1986-07-10

Publications (1)

Publication Number Publication Date
HK2295A true HK2295A (en) 1995-01-13

Family

ID=4241288

Family Applications (1)

Application Number Title Priority Date Filing Date
HK2295A HK2295A (en) 1986-07-10 1995-01-05 Device for programming a non volatile memory of a time piece

Country Status (6)

Country Link
US (1) US4763309A (xx)
EP (1) EP0253227B1 (xx)
JP (1) JP2519464B2 (xx)
CH (1) CH664868GA3 (xx)
DE (1) DE3761065D1 (xx)
HK (1) HK2295A (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220036A (ja) * 1988-02-29 1989-09-01 Fujitsu Ltd ファイル検索方式
US5253229A (en) * 1988-04-06 1993-10-12 Seiko Epson Corporation Electronic timepiece including integrated circuitry
JPH0752632Y2 (ja) * 1988-04-06 1995-11-29 セイコーエプソン株式会社 電子時計用回路
JPH0729513Y2 (ja) * 1988-04-06 1995-07-05 セイコーエプソン株式会社 電子時計用回路
US5255247A (en) * 1988-04-06 1993-10-19 Seiko Epson Corporation Electronic timepiece including integrated circuitry
JPH01282491A (ja) * 1988-05-07 1989-11-14 Seiko Epson Corp 補償回路
US5289452A (en) * 1988-06-17 1994-02-22 Seiko Epson Corporation Multifunction electronic analog timepiece
JP3019324B2 (ja) * 1988-06-17 2000-03-13 セイコーエプソン株式会社 アナログ電子時計用ｉｃ及びアナログ電子時計
US5327404A (en) * 1990-11-27 1994-07-05 Vlsi Technology, Inc. On-chip frequency trimming method for real-time clock
JPH04319694A (ja) * 1991-04-19 1992-11-10 Seikosha Co Ltd 時刻補正データメモリ付時計装置
JP3242408B2 (ja) * 1993-01-08 2001-12-25 シチズン時計株式会社 電子時計のデータ送受信システム
US6545950B1 (en) 2000-05-16 2003-04-08 Ericsson Inc. Methods, systems, wireless terminals, and computer program products for calibrating an electronic clock using a base reference signal and a non-continuous calibration reference signal having greater accuracy than the base reference signal
ATE474251T1 (de) * 2000-11-29 2010-07-15 Eta Sa Mft Horlogere Suisse Uhrwerk welches vorrichtungen enthält,die elektrischen zugang zu elektrischen oder elektronischen unterteilen dieses uhrwerks erlauben
WO2003017284A1 (en) * 2001-08-13 2003-02-27 Em Microelectronic-Marin Sa Programming an electronic device including a non-volatile memory, in particular for adjusting the features of an oscillator
US20030169642A1 (en) * 2002-03-08 2003-09-11 Quartex, Inc., A Division Of Primex, Inc. Time keeping system with automatic daylight savings time adjustment
US20030169641A1 (en) * 2002-03-08 2003-09-11 Quartex A Division Of Primex, Inc. Time keeping system with automatic daylight savings time adjustment
US7411869B2 (en) * 2001-09-21 2008-08-12 Quartex, Division Of Primex, Inc. Wireless synchronous time system
CA2460995A1 (en) * 2001-09-21 2003-03-27 Quartex, Inc. Time keeping system with automatic daylight savings time adjustment
US7369462B2 (en) * 2001-09-21 2008-05-06 Quartex, Division Of Primex, Inc. Wireless synchronous time system with solar powered transceiver
US6873573B2 (en) * 2001-09-21 2005-03-29 Quartex, Inc. Wireless synchronous time system
US7387433B2 (en) * 2005-02-05 2008-06-17 Linx Technology Limited Integrated circuit chip for analogue electronic watch applications
ES2376341T3 (es) 2006-08-16 2012-03-13 Eta Sa Manufacture Horlogère Suisse Reloj electrónico con un resonador.
EP1962156A1 (fr) * 2007-02-22 2008-08-27 EM Microelectronic-Marin SA Procédure d'accès d'une mémoire non volatile pour montre
DE102008032124A1 (de) * 2008-07-08 2010-01-14 Bernd Gehring Vorrichtung zum Stellen einer Uhr
JP2013034174A (ja) * 2011-06-28 2013-02-14 Seiko Instruments Inc 電子機器
EP2916193B1 (fr) 2014-03-06 2016-07-27 EM Microelectronic-Marin SA Base de temps comprenant un oscillateur, un circuit diviseur de fréquence et un circuit d'inhibition d'impulsions de cadencement
EP3168695B1 (fr) * 2015-11-13 2021-03-10 ETA SA Manufacture Horlogère Suisse Procédé de test de la marche d'une montre à quartz
EP3379347B1 (fr) * 2017-03-20 2020-01-01 ETA SA Manufacture Horlogère Suisse Procédé de réglage de la fréquence de marche d'une montre électronique

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1337A (de) * 1889-08-27 1889-11-09 Alfred Mendel Neues Kummet
CH554015A (xx) * 1971-10-15 1974-09-13
US4074514A (en) * 1972-08-24 1978-02-21 Dynacore, S.A. Isochronous period generator having means for adjusting the isochronous period
CH610473B5 (en) * 1972-08-24 1979-04-30 Dynacore Sa Generator of isochronous reference periods which can be used for measuring time and can be readjusted, and use of this generator
JPS587190B2 (ja) * 1973-12-05 1983-02-08 セイコーエプソン株式会社 スイシヨウドケイ
CH593513B5 (xx) * 1974-08-30 1977-12-15 Ebauches Sa
JPS5911878B2 (ja) * 1975-12-24 1984-03-19 シチズン時計株式会社 デジタル電子時計
CH632379B (fr) * 1979-10-25 Ebauches Sa Mouvement de montre electronique.
US4290130A (en) * 1979-12-21 1981-09-15 Timex Corporation Digital frequency trimmed electronic timepiece
JPS57117184A (en) * 1981-01-13 1982-07-21 Citizen Watch Co Ltd Non-volatile memory circuit for portable electronic device
JPS6038671A (ja) * 1983-08-10 1985-02-28 Nec Corp Ｅｓｒ測定自動化システム

Also Published As

Publication number Publication date
JPS6329291A (ja) 1988-02-06
DE3761065D1 (de) 1990-01-04
EP0253227A1 (fr) 1988-01-20
EP0253227B1 (fr) 1989-11-29
JP2519464B2 (ja) 1996-07-31
US4763309A (en) 1988-08-09
CH664868GA3 (xx) 1988-04-15

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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)