IT216578Z2 - PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES. - Google Patents

PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES.

Info

Publication number
IT216578Z2
IT216578Z2 IT2107289U IT2107289U IT216578Z2 IT 216578 Z2 IT216578 Z2 IT 216578Z2 IT 2107289 U IT2107289 U IT 2107289U IT 2107289 U IT2107289 U IT 2107289U IT 216578 Z2 IT216578 Z2 IT 216578Z2
Authority
IT
Italy
Prior art keywords
telephone devices
piezoceramic
capsule
piezoceramic capsule
telephone
Prior art date
Application number
IT2107289U
Other languages
Italian (it)
Other versions
IT8921072V0 (en
Original Assignee
Face Standard Ind
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 Face Standard Ind filed Critical Face Standard Ind
Priority to IT2107289U priority Critical patent/IT216578Z2/en
Publication of IT8921072V0 publication Critical patent/IT8921072V0/en
Priority to PCT/EP1990/000784 priority patent/WO1990014737A1/en
Priority to EG28991A priority patent/EG19327A/en
Application granted granted Critical
Publication of IT216578Z2 publication Critical patent/IT216578Z2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
IT2107289U 1989-05-15 1989-05-15 PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES. IT216578Z2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2107289U IT216578Z2 (en) 1989-05-15 1989-05-15 PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES.
PCT/EP1990/000784 WO1990014737A1 (en) 1989-05-15 1990-05-15 Piezoceramic transducer for telephone instruments
EG28991A EG19327A (en) 1989-05-15 1991-05-13 Piezoelectric transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2107289U IT216578Z2 (en) 1989-05-15 1989-05-15 PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES.

Publications (2)

Publication Number Publication Date
IT8921072V0 IT8921072V0 (en) 1989-05-15
IT216578Z2 true IT216578Z2 (en) 1991-09-16

Family

ID=11176315

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2107289U IT216578Z2 (en) 1989-05-15 1989-05-15 PIEZOCERAMIC CAPSULE FOR TELEPHONE DEVICES.

Country Status (2)

Country Link
IT (1) IT216578Z2 (en)
WO (1) WO1990014737A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2069759T3 (en) * 1990-05-14 1995-05-16 Alcatel Dial Face Spa PIEZOELECTRIC TRANSDUCER.
EP0620696A1 (en) * 1993-04-09 1994-10-19 Molex Incorporated Piezo-electric acoustic transducer
JP2971018B2 (en) * 1995-11-17 1999-11-02 スター精密株式会社 Electroacoustic transducer
CN113219649B (en) * 2021-04-30 2022-11-22 哈尔滨芯明天科技有限公司 High-reliability piezoelectric deflection mirror for aerospace application

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL283763A (en) * 1961-09-29
JPS60199298A (en) * 1984-03-23 1985-10-08 Murata Mfg Co Ltd Piezoelectric acoustic transducer
DE3504011A1 (en) * 1985-02-06 1986-08-07 Siemens AG, 1000 Berlin und 8000 München Making contact with oscillating components by means of conductive rubber
DE3609461A1 (en) * 1986-03-20 1987-09-24 Siemens Ag ELECTROACOUSTIC CONVERTER
DE3630598A1 (en) * 1986-09-09 1988-03-10 Hagenuk Telecom Gmbh Electroacoustic transducer
JPH06188699A (en) * 1992-12-22 1994-07-08 Toshiba Corp Delay circuit

Also Published As

Publication number Publication date
WO1990014737A1 (en) 1990-11-29
IT8921072V0 (en) 1989-05-15

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