EP0432546A3 - Piezoelectric transducer unit for telephone sets - Google Patents

Piezoelectric transducer unit for telephone sets Download PDF

Info

Publication number
EP0432546A3
EP0432546A3 EP19900122416 EP90122416A EP0432546A3 EP 0432546 A3 EP0432546 A3 EP 0432546A3 EP 19900122416 EP19900122416 EP 19900122416 EP 90122416 A EP90122416 A EP 90122416A EP 0432546 A3 EP0432546 A3 EP 0432546A3
Authority
EP
European Patent Office
Prior art keywords
piezoelectric transducer
transducer unit
telephone sets
telephone
sets
Prior art date
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.)
Granted
Application number
EP19900122416
Other languages
German (de)
Other versions
EP0432546A2 (en
EP0432546B1 (en
Inventor
Werner Dipl.-Ing. Sasonow (Fh)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0432546A2 publication Critical patent/EP0432546A2/en
Publication of EP0432546A3 publication Critical patent/EP0432546A3/en
Application granted granted Critical
Publication of EP0432546B1 publication Critical patent/EP0432546B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
EP90122416A 1989-12-15 1990-11-23 Piezoelectric transducer unit for telephone sets Expired - Lifetime EP0432546B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3941519A DE3941519A1 (en) 1989-12-15 1989-12-15 PIEZOELECTRIC CONVERTER CAPSULE FOR TELEPHONE UNITS
DE3941519 1989-12-15

Publications (3)

Publication Number Publication Date
EP0432546A2 EP0432546A2 (en) 1991-06-19
EP0432546A3 true EP0432546A3 (en) 1992-03-04
EP0432546B1 EP0432546B1 (en) 1994-06-08

Family

ID=6395565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122416A Expired - Lifetime EP0432546B1 (en) 1989-12-15 1990-11-23 Piezoelectric transducer unit for telephone sets

Country Status (3)

Country Link
EP (1) EP0432546B1 (en)
DE (2) DE3941519A1 (en)
ES (1) ES2055278T3 (en)

Families Citing this family (1)

* 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.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342743A1 (en) * 1983-11-25 1985-06-05 Siemens AG, 1000 Berlin und 8000 München Making contact with piezoelectric-acoustic transducers for electro-acoustic capsules
DE3402657A1 (en) * 1984-01-26 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Piezoelectric transducer
DE3425173A1 (en) * 1984-07-09 1986-01-16 Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen Piezoelectric telephone capsule

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60199298A (en) * 1984-03-23 1985-10-08 Murata Mfg Co Ltd Piezoelectric acoustic transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342743A1 (en) * 1983-11-25 1985-06-05 Siemens AG, 1000 Berlin und 8000 München Making contact with piezoelectric-acoustic transducers for electro-acoustic capsules
DE3402657A1 (en) * 1984-01-26 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Piezoelectric transducer
DE3425173A1 (en) * 1984-07-09 1986-01-16 Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen Piezoelectric telephone capsule

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FEINWERKTECHNIK + MICRONIC Bd. 77, Nr. 5, 1973, MÜNCHEN, DE MARTIN ET AL.: 'Das Fernsprech-Piezomikrofon Ts71' *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 046 (E-383)22. Februar 1986 & JP-A-60 199 298 ( MURATA ) 8. Oktober 1985 *

Also Published As

Publication number Publication date
DE3941519A1 (en) 1991-06-20
DE59006038D1 (en) 1994-07-14
EP0432546A2 (en) 1991-06-19
EP0432546B1 (en) 1994-06-08
ES2055278T3 (en) 1994-08-16

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