DE3466918D1 - Integrated electroacoustic transducer - Google Patents

Integrated electroacoustic transducer

Info

Publication number
DE3466918D1
DE3466918D1 DE8484902570T DE3466918T DE3466918D1 DE 3466918 D1 DE3466918 D1 DE 3466918D1 DE 8484902570 T DE8484902570 T DE 8484902570T DE 3466918 T DE3466918 T DE 3466918T DE 3466918 D1 DE3466918 D1 DE 3466918D1
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
integrated
integrated electroacoustic
transducer
electroacoustic
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.)
Expired
Application number
DE8484902570T
Other languages
English (en)
Inventor
John Charles Baumhauer Jr
Harold Jacob Hershey
Tommy Leroy Poteat
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3466918D1 publication Critical patent/DE3466918D1/de
Expired 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/005—Electrostatic transducers using semiconductor materials
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
DE8484902570T 1983-07-07 1984-06-25 Integrated electroacoustic transducer Expired DE3466918D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/511,640 US4533795A (en) 1983-07-07 1983-07-07 Integrated electroacoustic transducer
PCT/US1984/000951 WO1985000495A1 (en) 1983-07-07 1984-06-25 Integrated electroacoustic transducer

Publications (1)

Publication Number Publication Date
DE3466918D1 true DE3466918D1 (en) 1987-11-26

Family

ID=24035781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484902570T Expired DE3466918D1 (en) 1983-07-07 1984-06-25 Integrated electroacoustic transducer

Country Status (9)

Country Link
US (1) US4533795A (de)
EP (1) EP0148893B1 (de)
JP (1) JP2530305B2 (de)
CA (1) CA1219056A (de)
DE (1) DE3466918D1 (de)
HK (1) HK11289A (de)
IT (1) IT1176379B (de)
SG (1) SG15988G (de)
WO (1) WO1985000495A1 (de)

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Also Published As

Publication number Publication date
JP2530305B2 (ja) 1996-09-04
IT1176379B (it) 1987-08-18
EP0148893B1 (de) 1987-10-21
CA1219056A (en) 1987-03-10
IT8421761A0 (it) 1984-07-05
SG15988G (en) 1988-07-08
JPS60501784A (ja) 1985-10-17
US4533795A (en) 1985-08-06
EP0148893A1 (de) 1985-07-24
WO1985000495A1 (en) 1985-01-31
HK11289A (en) 1989-02-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN