JPS5655752Y2 - - Google Patents

Info

Publication number
JPS5655752Y2
JPS5655752Y2 JP12031677U JP12031677U JPS5655752Y2 JP S5655752 Y2 JPS5655752 Y2 JP S5655752Y2 JP 12031677 U JP12031677 U JP 12031677U JP 12031677 U JP12031677 U JP 12031677U JP S5655752 Y2 JPS5655752 Y2 JP S5655752Y2
Authority
JP
Japan
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
JP12031677U
Other languages
Japanese (ja)
Other versions
JPS5446280U (bg
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 filed Critical
Priority to JP12031677U priority Critical patent/JPS5655752Y2/ja
Priority to DE19782838288 priority patent/DE2838288C3/de
Publication of JPS5446280U publication Critical patent/JPS5446280U/ja
Application granted granted Critical
Publication of JPS5655752Y2 publication Critical patent/JPS5655752Y2/ja
Expired legal-status Critical Current

Links

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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10083—Electromechanical or electro-acoustic component, e.g. microphone
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2045—Protection against vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP12031677U 1977-09-05 1977-09-05 Expired JPS5655752Y2 (bg)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12031677U JPS5655752Y2 (bg) 1977-09-05 1977-09-05
DE19782838288 DE2838288C3 (de) 1977-09-05 1978-09-01 Piezoelektrischer Schwinger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12031677U JPS5655752Y2 (bg) 1977-09-05 1977-09-05

Publications (2)

Publication Number Publication Date
JPS5446280U JPS5446280U (bg) 1979-03-30
JPS5655752Y2 true JPS5655752Y2 (bg) 1981-12-25

Family

ID=14783217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12031677U Expired JPS5655752Y2 (bg) 1977-09-05 1977-09-05

Country Status (2)

Country Link
JP (1) JPS5655752Y2 (bg)
DE (1) DE2838288C3 (bg)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382251A (en) 1980-09-23 1983-05-03 Casio Computer Co., Ltd. Envelope control device for piezoelectric buzzer
DE3036845C2 (de) * 1980-09-30 1983-11-03 Casio Computer Co., Ltd., Tokyo Hüllkurvensteuereinrichtung für einen Tonsignalgenerator
FR2533090B1 (fr) * 1982-09-10 1985-07-05 Thomson Csf Resonateur a ondes de surface
DE3718018A1 (de) * 1987-05-27 1988-12-08 Diehl Gmbh & Co Elektronischer akustischer signalgeber
KR0165544B1 (ko) * 1990-03-05 1999-03-20 야마다 로꾸이찌 전자발음장치
US20010030060A1 (en) * 1999-12-23 2001-10-18 Carroll David W. Electronic component protection devices and methods
CN101502186B (zh) * 2006-07-21 2011-11-30 奥斯兰姆有限公司 带有引起振动的电子器件的电路板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237122A (en) * 1964-03-20 1966-02-22 Campi Morris Stripline oscillator
US4044317A (en) * 1976-10-18 1977-08-23 Cts Corporation Crystal controlled square wave oscillator

Also Published As

Publication number Publication date
JPS5446280U (bg) 1979-03-30
DE2838288B2 (de) 1980-08-07
DE2838288A1 (de) 1979-03-08
DE2838288C3 (de) 1981-05-21

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