CH556049A - - Google Patents

Info

Publication number
CH556049A
CH556049A CH909171A CH909171A CH556049A CH 556049 A CH556049 A CH 556049A CH 909171 A CH909171 A CH 909171A CH 909171 A CH909171 A CH 909171A CH 556049 A CH556049 A CH 556049A
Authority
CH
Switzerland
Application number
CH909171A
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
Priority claimed from JP6192170U external-priority patent/JPS4923498Y1/ja
Priority claimed from JP7909370A external-priority patent/JPS5326100B1/ja
Application filed filed Critical
Publication of CH556049A publication Critical patent/CH556049A/xx

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
    • H03H9/15—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • 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
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH909171A 1970-06-23 1971-06-22 CH556049A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6192170 1970-06-23
JP6192170U JPS4923498Y1 (enrdf_load_stackoverflow) 1970-06-23 1970-06-23
JP7909370A JPS5326100B1 (enrdf_load_stackoverflow) 1970-09-09 1970-09-09

Publications (1)

Publication Number Publication Date
CH556049A true CH556049A (enrdf_load_stackoverflow) 1974-11-15

Family

ID=27297688

Family Applications (2)

Application Number Title Priority Date Filing Date
CH909171D CH909171A4 (enrdf_load_stackoverflow) 1970-06-23 1971-06-22
CH909171A CH556049A (enrdf_load_stackoverflow) 1970-06-23 1971-06-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH909171D CH909171A4 (enrdf_load_stackoverflow) 1970-06-23 1971-06-22

Country Status (3)

Country Link
US (1) US3697789A (enrdf_load_stackoverflow)
CH (2) CH909171A4 (enrdf_load_stackoverflow)
DE (1) DE2131002C3 (enrdf_load_stackoverflow)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766616A (en) * 1972-03-22 1973-10-23 Statek Corp Microresonator packaging and tuning
JPS49122768A (enrdf_load_stackoverflow) * 1973-03-27 1974-11-25 Suwa Seikosha Kk
US4054807A (en) * 1973-03-29 1977-10-18 Kabushiki Kaisha Daini Seikosha Quartz oscillator mountings
JPS5334875B2 (enrdf_load_stackoverflow) * 1973-07-10 1978-09-22
USB398479I5 (enrdf_load_stackoverflow) * 1973-07-20
US3946257A (en) * 1973-09-17 1976-03-23 Kabushiki Kaisha Daini Seikosha Quartz crystal vibrator with partial electrodes for harmonic suppression
JPS5085168U (enrdf_load_stackoverflow) * 1973-12-10 1975-07-21
JPS5333399B2 (enrdf_load_stackoverflow) * 1974-01-09 1978-09-13
JPS51103472A (enrdf_load_stackoverflow) * 1975-03-07 1976-09-13 Suwa Seikosha Kk
US4004166A (en) * 1975-03-12 1977-01-18 Nihon Dempa Kogyo Co., Ltd. Method for stabilizing the vibration frequency of a tuning fork-type quartz crystal oscillator
DE2520985C3 (de) * 1975-05-12 1981-07-30 Kievskij politechničeskeskij institut 50-letija Velikoj Oktjabrskoj Sozialističeskoj Revoljuzii, Kiev Piezoelektrischer Spannungs- und Stromtransformator
JPS5253690A (en) * 1975-10-28 1977-04-30 Seiko Instr & Electronics Ltd Thickness sliding crystal vibrator
JPS53153832U (enrdf_load_stackoverflow) * 1977-05-09 1978-12-04
JPS544589A (en) * 1977-06-13 1979-01-13 Seiko Epson Corp Holding system of crystal vibrators
JPS554176A (en) * 1978-06-27 1980-01-12 Seiko Instr & Electronics Ltd Crystal vibrator
CH644990GA3 (enrdf_load_stackoverflow) * 1981-02-23 1984-09-14
JPS5832331Y2 (ja) * 1982-05-17 1983-07-18 セイコーエプソン株式会社 水晶ユニツト
JPS6048926B2 (ja) * 1983-06-27 1985-10-30 セイコーエプソン株式会社 音叉型圧電振動子の支持構造
US4578612A (en) * 1984-09-14 1986-03-25 Motorola, Inc. Shock absorber and spacer for quartz crystals
JPH0575376A (ja) * 1991-09-13 1993-03-26 Murata Mfg Co Ltd 圧電音叉型共振子
US5396144A (en) * 1993-08-02 1995-03-07 New S.D., Inc. Rotation rate sensor with center mounted tuning fork
JPH07170144A (ja) * 1993-12-15 1995-07-04 Murata Mfg Co Ltd 表面実装型電子部品
US5585561A (en) * 1994-08-11 1996-12-17 New S.D., Inc. Rotation rate sensor with closed ended tuning fork
FR2743225B1 (fr) * 1995-12-28 1998-02-06 Ebauchesfabrik Eta Ag Resonateur piezoelectrique
JP3324593B2 (ja) * 1999-10-28 2002-09-17 株式会社村田製作所 超音波振動装置
WO2005092548A1 (ja) * 2004-03-26 2005-10-06 Makino Milling Machine Co., Ltd. 切削加工方法及び装置、並びに放電加工用リブ電極
JP2008058066A (ja) * 2006-08-30 2008-03-13 Fujitsu Media Device Kk 振動センサ
JP2008096318A (ja) * 2006-10-13 2008-04-24 Fujitsu Media Device Kk 振動センサおよびその製造方法
JP4990047B2 (ja) * 2007-07-02 2012-08-01 日本電波工業株式会社 圧電振動片及び圧電デバイス
JP4553157B2 (ja) * 2007-11-20 2010-09-29 エプソントヨコム株式会社 音叉型圧電振動片及び音叉型圧電振動子
JP4709260B2 (ja) * 2008-10-16 2011-06-22 日本電波工業株式会社 圧電振動片および圧電デバイス

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US299956A (en) * 1884-06-10 Tuning-fork
US1937583A (en) * 1932-04-23 1933-12-05 Rca Corp Oscillation generator
US2247960A (en) * 1939-07-07 1941-07-01 Bell Telephone Labor Inc Tuning fork
US2323719A (en) * 1941-05-21 1943-07-06 Bell Telephone Labor Inc Alternating current generator
US2376131A (en) * 1942-09-26 1945-05-15 Bell Telephone Labor Inc Alternating current generator
US2666196A (en) * 1949-06-07 1954-01-12 Bell Telephone Labor Inc Frequency station calling system using bifurcated piezoelectric elements
US2838698A (en) * 1955-08-08 1958-06-10 Varo Mfg Co Inc Tuning fork assembly
US2971104A (en) * 1957-04-22 1961-02-07 Varo Mfg Co Inc Tuning fork assembly including driving and pick-up coils

Also Published As

Publication number Publication date
CH909171A4 (enrdf_load_stackoverflow) 1974-05-31
DE2131002B2 (de) 1974-03-28
US3697789A (en) 1972-10-10
DE2131002A1 (de) 1971-12-30
DE2131002C3 (de) 1974-10-24

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