DE1302049B - Elektrische Uhr, insbesondere Taschen- oder Armbanduhr - Google Patents

Elektrische Uhr, insbesondere Taschen- oder Armbanduhr

Info

Publication number
DE1302049B
DE1302049B DEG39300A DEG0039300A DE1302049B DE 1302049 B DE1302049 B DE 1302049B DE G39300 A DEG39300 A DE G39300A DE G0039300 A DEG0039300 A DE G0039300A DE 1302049 B DE1302049 B DE 1302049B
Authority
DE
Germany
Prior art keywords
frequency
voltage
resonance element
backward
electrical
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.)
Pending
Application number
DEG39300A
Other languages
German (de)
English (en)
Inventor
Greuter Andre
Korom Arpad
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.)
Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule
Original Assignee
Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule
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 Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule filed Critical Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule
Publication of DE1302049B publication Critical patent/DE1302049B/de
Pending 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
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
DEG39300A 1963-01-22 1963-12-03 Elektrische Uhr, insbesondere Taschen- oder Armbanduhr Pending DE1302049B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH81663A CH393198A (de) 1963-01-22 1963-01-22 Tragbare elektrische Uhr

Publications (1)

Publication Number Publication Date
DE1302049B true DE1302049B (de) 1969-10-16

Family

ID=4195857

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG39300A Pending DE1302049B (de) 1963-01-22 1963-12-03 Elektrische Uhr, insbesondere Taschen- oder Armbanduhr

Country Status (3)

Country Link
US (1) US3221487A (enExample)
CH (2) CH81663A4 (enExample)
DE (1) DE1302049B (enExample)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1882394A (en) * 1928-03-23 1932-10-11 Pierce George Washington Magnetostrictive vibrator
FR1092411A (fr) * 1953-10-21 1955-04-21 Hatot Leon Ets Perfectionnements aux appareils horaires électromagnétiques
DE971059C (de) * 1953-06-19 1958-12-04 Bulova Watch Co Inc Elektrische Uhr
DE1099948B (de) * 1956-04-17 1961-02-16 Hamilton Watch Co Batteriegespeiste elektrische Uhr
FR1285703A (fr) * 1961-04-05 1962-02-23 Baehni & Cie Dispositif moteur pour pièce d'horlogerie
GB922431A (en) * 1960-11-23 1963-04-03 Standard Telephones Cables Ltd Improvements in or relating to time-piece mechanisms

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1882394A (en) * 1928-03-23 1932-10-11 Pierce George Washington Magnetostrictive vibrator
DE971059C (de) * 1953-06-19 1958-12-04 Bulova Watch Co Inc Elektrische Uhr
FR1092411A (fr) * 1953-10-21 1955-04-21 Hatot Leon Ets Perfectionnements aux appareils horaires électromagnétiques
DE1099948B (de) * 1956-04-17 1961-02-16 Hamilton Watch Co Batteriegespeiste elektrische Uhr
GB922431A (en) * 1960-11-23 1963-04-03 Standard Telephones Cables Ltd Improvements in or relating to time-piece mechanisms
FR1285703A (fr) * 1961-04-05 1962-02-23 Baehni & Cie Dispositif moteur pour pièce d'horlogerie

Also Published As

Publication number Publication date
CH393198A (de) 1965-02-15
CH81663A4 (enExample) 1965-02-15
US3221487A (en) 1965-12-07

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