GB830518A - Electric time piece - Google Patents

Electric time piece

Info

Publication number: GB830518A
Authority: GB; United Kingdom
Prior art keywords: tine; tines; abutment; carried; impulsing means
Prior art date: 1955-03-11
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

GB7601/56A

Other languages

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.)

1955-03-11

Filing date

1956-03-12

Publication date

1960-03-16

1956-03-12 Application filed by Bulova Watch Co Inc filed Critical Bulova Watch Co Inc

1960-03-16 Publication of GB830518A publication Critical patent/GB830518A/en

Status Expired legal-status Critical Current

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
- G04C3/101—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 constructional details
- 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
- 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
- G04C3/101—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 constructional details
- G04C3/102—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 constructional details of the mechanical oscillator or of the coil
- 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
- G04C3/101—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 constructional details
- G04C3/107—Controlling frequency or amplitude of the oscillating system

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Electromechanical Clocks (AREA)
Oscillators With Electromechanical Resonators (AREA)

GB7601/56A 1955-03-11 1956-03-12 Electric time piece Expired GB830518A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH830518X		1955-03-11

Publications (1)

Publication Number	Publication Date
GB830518A true GB830518A (en)	1960-03-16

Family

ID=4540267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7601/56A Expired GB830518A (en)	1955-03-11	1956-03-12	Electric time piece

Country Status (6)

Country	Link
CA (1)	CA578729A (fr)
CH (1)	CH336025A (fr)
DE (1)	DE1038487B (fr)
FR (1)	FR1172522A (fr)
GB (1)	GB830518A (fr)
IT (1)	IT550130A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH447956A (fr) *	1965-11-30	1967-05-31	Centre Electron Horloger	Dispositif de protection contre les chocs d'un résonateur mécanique pour pièce d'horlogerie électro-mécanique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1911062A (en) *	1927-03-17	1933-05-23	Conrad Frank	Electric clock
DE696032C (fr) *	1931-11-21	1940-09-09	Georg Heinrich Schieferstein
US2260847A (en) *	1938-05-27	1941-10-28	Warren Telechron Co	Vibratory frequency standard
CH213932A (de) *	1939-09-18	1941-03-31	Russenberger Max	Mechanischer Schwinger mit Steuervorrichtung zur Begrenzung eines Parameters der Schwingung.
FR972360A (fr) *	1941-02-14	1951-01-29	Hatot Leon Ets	Horloges électromagnétiques perfectionnées
FR1090564A (fr) *	1953-09-17	1955-03-31	Hatot Leon Ets	Perfectionnements apportés aux mécanismes horaires et aux appareils analogues

0
- CA CA578729A patent/CA578729A/fr not_active Expired
- IT IT550130D patent/IT550130A/it unknown
1955
- 1955-03-11 CH CH336025D patent/CH336025A/de unknown
1956
- 1956-03-08 DE DEB39444A patent/DE1038487B/de active Pending
- 1956-03-12 FR FR1172522D patent/FR1172522A/fr not_active Expired
- 1956-03-12 GB GB7601/56A patent/GB830518A/en not_active Expired

Also Published As

Publication number	Publication date
CA578729A (fr)	1959-06-30
CH336025A (de)	1959-01-31
IT550130A (fr)
DE1038487B (de)	1958-09-04
FR1172522A (fr)	1959-02-11

Publication	Publication Date	Title
GB797851A (en)	1958-07-09	Tuning fork oscillators
JPS5211121A (en)	1977-01-27	Magnet material
GB885865A (en)	1961-12-28	Improvements in or relating to electric clocks and watches
GB1320009A (en)	1973-06-13	Crystal vibrator
GB830518A (en)	1960-03-16	Electric time piece
GB825233A (en)	1959-12-09	Improvements in or relating to electric time-pieces
GB828357A (en)	1960-02-17	Improvements in or relating to a watch or clock
GB1249837A (en)	1971-10-13	Improvements relating to tuning forks
GB921948A (en)	1963-03-27	Improvements in or relating to timepieces
GB1196579A (en)	1970-07-01	Horological Hairspring
GB920635A (en)	1963-03-13	Second hand drive for electrically driven timepieces
GB671360A (en)	1952-05-07	Magnetic escapements for timepieces
GB929566A (en)	1963-06-26	Improvements in or relating to mechanical oscillators for timepieces
GB825856A (en)	1959-12-23	Time-piece
GB1391213A (en)	1975-04-16	Tuning fork vibrator
GB837844A (en)	1960-06-15	Electric wrist watch
GB832781A (en)	1960-04-13	Timepiece arrangement
GB897813A (en)	1962-05-30	An electric clock movement
GB884734A (en)	1961-12-13	Improvements in or relating to clocks and watches
JPS5340295A (en)	1978-04-12	Crystal watch
GB1376251A (en)	1974-12-04	Method of adjusting the frequency of vibration of a tuning fork vibrator
GB1380464A (en)	1975-01-15	Quartz controlled chronometer
GB886676A (en)	1962-01-10	Battery-operated generator for watches, clocks and other constant-speed apparatus
JPS5320887A (en)	1978-02-25	Piezoelectric oscillator
GB862586A (en)	1961-03-15	Time-piece balance assembly