GB1049638A - Added mass type circular tuning fork - Google Patents

Added mass type circular tuning fork

Info

Publication number: GB1049638A
Authority: GB; United Kingdom
Prior art keywords: tuning fork; added mass; mass type; oscillating member; type circular
Prior art date: 1963-06-24
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

GB2525664A

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.)

Jeco Corp

Original Assignee

Jeco Corp

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.)

1963-06-24

Filing date

1964-06-18

Publication date

1966-11-30

1964-06-18 Application filed by Jeco Corp filed Critical Jeco Corp

1966-11-30 Publication of GB1049638A publication Critical patent/GB1049638A/en

Status 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
- G04C3/101—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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Measuring Volume Flow (AREA)

GB2525664A 1963-06-24 1964-06-18 Added mass type circular tuning fork Expired GB1049638A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3331063		1963-06-24
JP5933163		1963-08-10

Publications (1)

Publication Number	Publication Date
GB1049638A true GB1049638A (en)	1966-11-30

Family

ID=26371988

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB2525664A Expired GB1049638A (en)	1963-06-24	1964-06-18	Added mass type circular tuning fork

Country Status (3)

Country	Link
CH (1)	CH470017A (de)
DE (1)	DE1523928B2 (de)
GB (1)	GB1049638A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2015096974A3 (fr) *	2013-12-23	2015-09-24	Eta Sa Manufacture Horlogère Suisse	Mecanisme de synchronisation d'horlogerie
EP2889701A3 (de) *	2013-12-23	2016-02-17	ETA SA Manufacture Horlogère Suisse	Synchronisierungsmechanismus für Uhrwerk

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH247769A4 (de) *	1969-02-19	1971-12-15

1964
- 1964-06-09 CH CH748764A patent/CH470017A/de unknown
- 1964-06-13 DE DE19641523928 patent/DE1523928B2/de not_active Withdrawn
- 1964-06-18 GB GB2525664A patent/GB1049638A/en not_active Expired

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2015096974A3 (fr) *	2013-12-23	2015-09-24	Eta Sa Manufacture Horlogère Suisse	Mecanisme de synchronisation d'horlogerie
EP2889701A3 (de) *	2013-12-23	2016-02-17	ETA SA Manufacture Horlogère Suisse	Synchronisierungsmechanismus für Uhrwerk
CN105849651A (zh) *	2013-12-23	2016-08-10	Eta瑞士钟表制造股份有限公司	钟表同步机构
JP2016540987A (ja) *	2013-12-23	2016-12-28	ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス	計時器用同期機構
US9772604B2 (en)	2013-12-23	2017-09-26	Eta Sa Manufacture Horlogere Suisse	Timepiece synchronization mechanism
CN105849651B (zh) *	2013-12-23	2017-09-29	Eta瑞士钟表制造股份有限公司	钟表同步机构

Also Published As

Publication number	Publication date
DE1523928B2 (de)	1970-06-11
DE1523928A1 (de)	1969-12-04
CH470017A (de)	1969-04-30
CH748764A4 (de)	1968-11-29

Publication	Publication Date	Title
JPS5437488A (en)	1979-03-19	Tuning fork type crystal oscillator
GB1049638A (en)	1966-11-30	Added mass type circular tuning fork
GB1455760A (en)	1976-11-17	Quartz crystal vibrator
GB1249837A (en)	1971-10-13	Improvements relating to tuning forks
JPS5215284A (en)	1977-02-04	At cut quartz oscillator
GB1019246A (en)	1966-02-02	Improvements in or relating to electro-mechanical filters
JPS532097A (en)	1978-01-10	Quartz crystal oscillator
GB1477271A (en)	1977-06-22	Tuning fork assembly
JPS5340295A (en)	1978-04-12	Crystal watch
GB920467A (en)	1963-03-06	Escapement for clock movement
JPS5320887A (en)	1978-02-25	Piezoelectric oscillator
JPS52127094A (en)	1977-10-25	Tuning fork type piezoelectric oscillator
JPS5312A (en)	1978-01-05	Am receiver
JPS52133773A (en)	1977-11-09	Crystal resonator
JPS5234691A (en)	1977-03-16	Piezo-electric vibrator
GB1490961A (en)	1977-11-09	Oscillator
JPS538591A (en)	1978-01-26	Piezo-resonator
JPS5352094A (en)	1978-05-12	Support structure of piezo-resonator
JPS5390844A (en)	1978-08-10	Ladder-type piezoelectric filter
JPS54115101A (en)	1979-09-07	Construction of pressure type pickup
JPS5291689A (en)	1977-08-02	Piezo-electric vibrator
JPS538127A (en)	1978-01-25	Electroacoustic transducer
SE341559B (de)	1971-12-27
WO1979001101A1 (en)	1979-12-13	Quartz crystal resonator
JPS5427392A (en)	1979-03-01	Grinding device for inner wall of cylinder tube