FR2180640B1 - - Google Patents

Info

Publication number
FR2180640B1
FR2180640B1 FR7246672A FR7246672A FR2180640B1 FR 2180640 B1 FR2180640 B1 FR 2180640B1 FR 7246672 A FR7246672 A FR 7246672A FR 7246672 A FR7246672 A FR 7246672A FR 2180640 B1 FR2180640 B1 FR 2180640B1
Authority
FR
France
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
FR7246672A
Other languages
French (fr)
Other versions
FR2180640A1 (ko
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.)
Bulova Watch Co Inc
Original Assignee
Bulova Watch Co 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 Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Publication of FR2180640A1 publication Critical patent/FR2180640A1/fr
Application granted granted Critical
Publication of FR2180640B1 publication Critical patent/FR2180640B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/108—Driving circuits
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N97/00—Electric solid-state thin-film or thick-film devices, not otherwise provided for

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
FR7246672A 1972-04-17 1972-12-28 Expired FR2180640B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00244644A US3727151A (en) 1972-04-17 1972-04-17 Integrated circuit for electronic timepieces

Publications (2)

Publication Number Publication Date
FR2180640A1 FR2180640A1 (ko) 1973-11-30
FR2180640B1 true FR2180640B1 (ko) 1977-04-08

Family

ID=22923573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246672A Expired FR2180640B1 (ko) 1972-04-17 1972-12-28

Country Status (11)

Country Link
US (1) US3727151A (ko)
JP (1) JPS4919932A (ko)
CA (1) CA964869A (ko)
CH (1) CH556052A (ko)
DE (1) DE2263813C3 (ko)
ES (1) ES410071A1 (ko)
FR (1) FR2180640B1 (ko)
GB (1) GB1416728A (ko)
HK (1) HK56676A (ko)
IT (1) IT973247B (ko)
NL (1) NL150240B (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5156674A (ko) * 1974-11-14 1976-05-18 Citizen Watch Co Ltd
JPS51138064U (ko) * 1975-04-28 1976-11-08
JPS51127657A (en) * 1975-04-28 1976-11-06 Seiko Instr & Electronics Ltd Standard signal generator
US4001869A (en) * 1975-06-09 1977-01-04 Sprague Electric Company Mos-capacitor for integrated circuits
JPH0540224A (ja) * 1990-07-26 1993-02-19 Fuji Photo Film Co Ltd 走査型顕微鏡
FI124103B (fi) * 2010-02-22 2014-03-14 Murata Electronics Oy Parannettu mikromekaaninen resonaattori

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421309A (en) * 1966-06-13 1969-01-14 Bulova Watch Co Inc Unitized tuning fork vibrator

Also Published As

Publication number Publication date
DE2263813B2 (de) 1978-04-13
DE2263813A1 (de) 1973-10-25
US3727151A (en) 1973-04-10
CH556052A (ko) 1974-11-15
IT973247B (it) 1974-06-10
NL150240B (nl) 1976-07-15
DE2263813C3 (de) 1978-11-23
JPS4919932A (ko) 1974-02-21
CA964869A (en) 1975-03-25
HK56676A (en) 1976-09-24
GB1416728A (en) 1975-12-03
ES410071A1 (es) 1976-04-01
FR2180640A1 (ko) 1973-11-30
NL7217397A (ko) 1973-10-19
CH1885672A4 (ko) 1974-05-15

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Legal Events

Date Code Title Description
ST Notification of lapse