HK87785A - Tuning fork type piezo-electric vibrator - Google Patents

Tuning fork type piezo-electric vibrator

Info

Publication number: HK87785A
Authority: HK; Hong Kong
Prior art keywords: tuning fork; fork type; electric vibrator; type piezo; vibrations
Prior art date: 1979-02-20

Application number

HK877/85A

Other languages

English (en)

Inventor

Shigeru Kogure

Eishi Monosaki

Minoru Inoue

Original Assignee

Suwa Seikosha Kk

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.)

1979-02-20

Filing date

1985-11-07

Publication date

1985-11-15

1985-11-07 Application filed by Suwa Seikosha Kk filed Critical Suwa Seikosha Kk

1985-11-15 Publication of HK87785A publication Critical patent/HK87785A/xx

Links

239000013078 crystal Substances 0.000 abstract 1
230000005684 electric field Effects 0.000 abstract 1
239000010453 quartz Substances 0.000 abstract 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
- H03H9/215—Crystal tuning forks consisting of quartz
- 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
- G04F5/063—Constructional details

Landscapes

Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Acoustics & Sound (AREA)
General Physics & Mathematics (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

HK877/85A 1979-02-20 1985-11-07 Tuning fork type piezo-electric vibrator HK87785A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1885779A JPS55112017A (en)	1979-02-20	1979-02-20	Electrode of tuning fork type crystal oscillator

Publications (1)

Publication Number	Publication Date
HK87785A true HK87785A (en)	1985-11-15

Family

ID=11983202

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK877/85A HK87785A (en)	1979-02-20	1985-11-07	Tuning fork type piezo-electric vibrator

Country Status (7)

Country	Link
US (1)	US4356425A (xx)
JP (1)	JPS55112017A (xx)
CH (1)	CH647384GA3 (xx)
DE (1)	DE3006040C2 (xx)
FR (1)	FR2449916A1 (xx)
GB (1)	GB2047954B (xx)
HK (1)	HK87785A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4469979A (en) *	1983-05-27	1984-09-04	Statek Corporation	Microresonator of double-ended tuning fork configuration
US4531073A (en) *	1983-05-31	1985-07-23	Ohaus Scale Corporation	Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity
US5607236A (en) *	1987-02-27	1997-03-04	Seiko Epson Corporation	Quartz oscillator temperature sensor
JPS63158405U (xx) *	1987-04-04	1988-10-18
US4929860A (en) *	1988-05-17	1990-05-29	Sundstrand Data Control, Inc.	Electrode configuration for vibrating beam transducers
JPH02179518A (ja) *	1988-12-30	1990-07-12	Yoshinobu Kobayashi	タイヤの滑り止め装置
US5987987A (en) *	1997-04-14	1999-11-23	Denso Corporation	Angular velocity sensor, related method for manufacturing the sensor, and piezoelectric vibrator element used in this sensor
US7071794B2 (en) *	2002-03-06	2006-07-04	Piedek Technical Laboratory	Quartz crystal resonator, unit having resonator, oscillator having unit, electronic apparatus having oscillator, and method for manufacturing electronic apparatus
US9203135B2 (en) *	2002-04-23	2015-12-01	Piedek Technical Laboratory	Method for manufacturing quartz crystal resonator
CA2630266A1 (en) *	2008-05-02	2009-11-02	Multimatic Inc.	Cargo management system for pick-up trucks

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL62574C (xx) *	1936-02-21
NL266211A (xx) *	1960-06-21
DE2418277C3 (de) *	1973-04-16	1985-08-01	Kabushiki Kaisha Suwa Seikosha, Shinjuku, Tokio/Tokyo	Quarzkristallbiegeschwinger und Verfahren zu seiner Herstellung
JPS5133367U (xx) *	1974-07-05	1976-03-11
JPS5323589A (en) *	1976-08-18	1978-03-04	Seiko Epson Corp	Crystal vibrator
JPS54113297A (en) *	1978-01-26	1979-09-04	Seiko Epson Corp	Tuning fork-type crystal vibrator
JPS54111297A (en) *	1978-02-21	1979-08-31	Seiko Instr & Electronics Ltd	Compound crystal oscillator
JPS54131894A (en) *	1978-04-05	1979-10-13	Citizen Watch Co Ltd	Piezoelectric oscillator
JPS558172A (en) *	1978-07-05	1980-01-21	Kinsekishiya Kenkyusho:Kk	Tuning fork type piezoelectric oscillator
JPS5513551A (en) *	1978-07-14	1980-01-30	Seiko Instr & Electronics Ltd	Crystal vibrator
US4320320A (en) *	1978-12-01	1982-03-16	Kabushiki Kaisha Suwa Seikosha	Coupled mode tuning fork type quartz crystal vibrator

1979
- 1979-02-20 JP JP1885779A patent/JPS55112017A/ja active Granted
1980
- 1980-02-07 FR FR8002702A patent/FR2449916A1/fr active Granted
- 1980-02-18 DE DE3006040A patent/DE3006040C2/de not_active Expired
- 1980-02-18 GB GB8005371A patent/GB2047954B/en not_active Expired
- 1980-02-20 CH CH137180A patent/CH647384GA3/fr unknown
- 1980-02-20 US US06/122,870 patent/US4356425A/en not_active Expired - Lifetime
1985
- 1985-11-07 HK HK877/85A patent/HK87785A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3006040A1 (de)	1980-08-28
FR2449916B1 (xx)	1984-06-15
DE3006040C2 (de)	1986-09-25
CH647384GA3 (xx)	1985-01-31
US4356425A (en)	1982-10-26
GB2047954A (en)	1980-12-03
FR2449916A1 (fr)	1980-09-19
JPS6251006B2 (xx)	1987-10-28
GB2047954B (en)	1983-04-20
JPS55112017A (en)	1980-08-29

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Legal Events

Date	Code	Title	Description
2004-12-15	PE	Patent expired