IT1078411B - Risuonatori a quarzo - Google Patents

Risuonatori a quarzo

Info

Publication number
IT1078411B
IT1078411B IT22268/77A IT2226877A IT1078411B IT 1078411 B IT1078411 B IT 1078411B IT 22268/77 A IT22268/77 A IT 22268/77A IT 2226877 A IT2226877 A IT 2226877A IT 1078411 B IT1078411 B IT 1078411B
Authority
IT
Italy
Prior art keywords
resoners
quartz
quartz resoners
Prior art date
Application number
IT22268/77A
Other languages
English (en)
Inventor
Giuseppe Stacchiotti
Arturo Bellucci
Original Assignee
Telettra Lab Telefon
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 Telettra Lab Telefon filed Critical Telettra Lab Telefon
Priority to IT22268/77A priority Critical patent/IT1078411B/it
Priority to FR7809493A priority patent/FR2386937A1/fr
Priority to ES468500A priority patent/ES468500A1/es
Priority to DE19782814592 priority patent/DE2814592A1/de
Priority to NL7803734A priority patent/NL7803734A/xx
Priority to JP4042978A priority patent/JPS53136991A/ja
Priority to GB14027/78A priority patent/GB1602155A/en
Priority to US05/895,841 priority patent/US4184095A/en
Application granted granted Critical
Publication of IT1078411B publication Critical patent/IT1078411B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
IT22268/77A 1977-04-08 1977-04-08 Risuonatori a quarzo IT1078411B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT22268/77A IT1078411B (it) 1977-04-08 1977-04-08 Risuonatori a quarzo
FR7809493A FR2386937A1 (fr) 1977-04-08 1978-03-31 Resonateurs a quartz
ES468500A ES468500A1 (es) 1977-04-08 1978-04-03 Perfeccionamientos en resonadores de cuarzo.
DE19782814592 DE2814592A1 (de) 1977-04-08 1978-04-05 Quarzresonator
NL7803734A NL7803734A (nl) 1977-04-08 1978-04-07 Kwartsresonator.
JP4042978A JPS53136991A (en) 1977-04-08 1978-04-07 Crystal resonator
GB14027/78A GB1602155A (en) 1977-04-08 1978-04-10 Quartz resonators
US05/895,841 US4184095A (en) 1977-04-08 1978-04-13 Quartz crystal resonator with supplemental electrodes for controlling the Q factor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22268/77A IT1078411B (it) 1977-04-08 1977-04-08 Risuonatori a quarzo

Publications (1)

Publication Number Publication Date
IT1078411B true IT1078411B (it) 1985-05-08

Family

ID=11193905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22268/77A IT1078411B (it) 1977-04-08 1977-04-08 Risuonatori a quarzo

Country Status (8)

Country Link
US (1) US4184095A (it)
JP (1) JPS53136991A (it)
DE (1) DE2814592A1 (it)
ES (1) ES468500A1 (it)
FR (1) FR2386937A1 (it)
GB (1) GB1602155A (it)
IT (1) IT1078411B (it)
NL (1) NL7803734A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376919A (en) * 1979-10-16 1983-03-15 Seikosha Co., Ltd. Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency
US4469976A (en) * 1982-07-06 1984-09-04 The United States Of America As Represented By The Secretary Of The Navy Single-side connected transducer
CH655224GA3 (it) * 1984-04-06 1986-04-15
JPH0666630B2 (ja) * 1984-09-06 1994-08-24 日本電気株式会社 エネルギー閉じ込め形振動子
US5414322A (en) * 1994-04-19 1995-05-09 The United States Of America As Represented By The Secretary Of The Army Crystal resonator with multiple segmented lateral-field excitation electrodes
US5495135A (en) * 1994-09-21 1996-02-27 Motorola, Inc. Piezoelectric resonator with an attenuated spurious response
US5939815A (en) * 1997-07-23 1999-08-17 The United States Of America As Represented By The Secretary Of The Army Field trapping electrodes
JP2001244778A (ja) * 1999-12-22 2001-09-07 Toyo Commun Equip Co Ltd 高周波圧電振動子
JP2004056601A (ja) * 2002-07-22 2004-02-19 Toyo Commun Equip Co Ltd 圧電振動子およびその製造方法
EP1533896B1 (en) * 2003-11-20 2011-11-02 Panasonic Corporation Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same
KR101868988B1 (ko) * 2011-08-05 2018-06-20 삼성전자주식회사 체적 음향 공진기

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965424A (it) * 1950-09-12
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
DE1081065B (de) * 1956-11-30 1960-05-05 Telefunken Gmbh Platten- oder scheibenfoermiger piezoelektrischer Koerper
US3201621A (en) * 1963-03-18 1965-08-17 Milner Consuelo Stokes Thermally stabilized crystal units
GB1062059A (en) * 1964-07-08 1967-03-15 Ultra Electronics Ltd Quartz crystal temperature control
US3465178A (en) * 1966-09-13 1969-09-02 Us Army Driven-boundary piezoelectric crystals
US3495105A (en) * 1967-07-19 1970-02-10 Ngk Spark Plug Co Three-terminal piezoelectric resonator
US4091303A (en) * 1975-08-21 1978-05-23 Chiba Tadataka Piezoelectric quartz vibrator with heating electrode means
JPS5236490A (en) * 1975-09-17 1977-03-19 Citizen Watch Co Ltd Piezo electric ring scillator

Also Published As

Publication number Publication date
GB1602155A (en) 1981-11-11
JPS53136991A (en) 1978-11-29
ES468500A1 (es) 1978-11-16
DE2814592A1 (de) 1978-10-19
FR2386937B1 (it) 1984-02-10
NL7803734A (nl) 1978-10-10
US4184095A (en) 1980-01-15
FR2386937A1 (fr) 1978-11-03

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