DE2328999C3 - Elektroakustischer Wandler - Google Patents

Elektroakustischer Wandler

Info

Publication number
DE2328999C3
DE2328999C3 DE19732328999 DE2328999A DE2328999C3 DE 2328999 C3 DE2328999 C3 DE 2328999C3 DE 19732328999 DE19732328999 DE 19732328999 DE 2328999 A DE2328999 A DE 2328999A DE 2328999 C3 DE2328999 C3 DE 2328999C3
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
transducer according
piezoelectric
electrodes
excitation
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
DE19732328999
Other languages
German (de)
English (en)
Other versions
DE2328999A1 (de
DE2328999B2 (de
Inventor
Ernst H. Dipl.-Ing. Dr. Wollerau Rothauser
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2328999A1 publication Critical patent/DE2328999A1/de
Publication of DE2328999B2 publication Critical patent/DE2328999B2/de
Application granted granted Critical
Publication of DE2328999C3 publication Critical patent/DE2328999C3/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • 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
DE19732328999 1972-06-30 1973-06-07 Elektroakustischer Wandler Expired DE2328999C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH982372A CH539845A (de) 1972-06-30 1972-06-30 Elektroakustischer Wandler

Publications (3)

Publication Number Publication Date
DE2328999A1 DE2328999A1 (de) 1974-01-17
DE2328999B2 DE2328999B2 (de) 1981-04-02
DE2328999C3 true DE2328999C3 (de) 1981-12-10

Family

ID=4356019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732328999 Expired DE2328999C3 (de) 1972-06-30 1973-06-07 Elektroakustischer Wandler

Country Status (7)

Country Link
JP (1) JPS5412049B2 (ja)
CA (1) CA994467A (ja)
CH (1) CH539845A (ja)
DE (1) DE2328999C3 (ja)
FR (1) FR2237392B1 (ja)
GB (1) GB1382927A (ja)
IT (1) IT989204B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203741A1 (de) 2011-03-09 2012-09-13 Sennheiser Electronic Gmbh & Co. Kg Elektroakustischer Schallwandler

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120710A (en) * 1975-04-15 1976-10-22 Kawai Musical Instr Mfg Co Ltd Digital speakes system
JPS51123134A (en) * 1975-04-18 1976-10-27 Kawai Musical Instr Mfg Co Ltd Digital type speaker and digital type speaker system
JPS51126120A (en) * 1975-04-25 1976-11-04 Kawai Musical Instr Mfg Co Ltd Degital speaker system
US4184116A (en) * 1977-04-07 1980-01-15 Argos Products Company, Inc. Communication system having analog-to-digital-to-analog conversion means
US4395593A (en) * 1979-11-27 1983-07-26 Bell Telephone Laboratories, Incorporated Acoustic differential digital coder
FR2521382A2 (fr) * 1982-02-09 1983-08-12 Lectret Sa Transducteur acoustique
US4515997A (en) * 1982-09-23 1985-05-07 Stinger Jr Walter E Direct digital loudspeaker
US4783821A (en) * 1987-11-25 1988-11-08 The Regents Of The University Of California IC processed piezoelectric microphone
EP0361249B1 (de) * 1988-09-26 1992-03-25 E W D Electronic-Werke Deutschland Gmbh Bild-Tonwiedergabegerät
JPH0295405U (ja) * 1989-01-12 1990-07-30
DE19712728C1 (de) * 1997-03-26 1998-11-19 Dornier Gmbh Piezoelektrischer Lautsprecher
US6492761B1 (en) 1998-01-20 2002-12-10 Ericsson Inc. Digital piezoelectric transducers and methods
JP3642460B2 (ja) * 1998-12-07 2005-04-27 松下電器産業株式会社 デジタル式送受話器
JP6216885B2 (ja) * 2014-06-30 2017-10-18 富士フイルム株式会社 電気音響変換フィルムおよびデジタルスピーカ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153229A (en) * 1963-05-13 1964-10-13 Charles E Roberts Digital actuator and direct digital transducer employing same
US3286032A (en) * 1963-06-03 1966-11-15 Itt Digital microphone
CH466376A (de) * 1968-03-01 1968-12-15 Ibm Anordnung zur Umwandlung von Drücken in digitale elektrische Signale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203741A1 (de) 2011-03-09 2012-09-13 Sennheiser Electronic Gmbh & Co. Kg Elektroakustischer Schallwandler
DE102012203741B4 (de) * 2011-03-09 2016-07-14 Sennheiser Electronic Gmbh & Co. Kg Elektroakustischer Schallwandler

Also Published As

Publication number Publication date
DE2328999A1 (de) 1974-01-17
IT989204B (it) 1975-05-20
GB1382927A (en) 1975-02-05
FR2237392A1 (ja) 1975-02-07
CA994467A (en) 1976-08-03
JPS5412049B2 (ja) 1979-05-19
FR2237392B1 (ja) 1978-12-01
DE2328999B2 (de) 1981-04-02
CH539845A (de) 1973-07-31
JPS4945673A (ja) 1974-05-01

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee