CA953017A - Electrostatic electroacoustic transducer - Google Patents

Electrostatic electroacoustic transducer

Info

Publication number
CA953017A
CA953017A CA118,040A CA118040A CA953017A CA 953017 A CA953017 A CA 953017A CA 118040 A CA118040 A CA 118040A CA 953017 A CA953017 A CA 953017A
Authority
CA
Canada
Prior art keywords
electroacoustic transducer
electrostatic electroacoustic
electrostatic
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
CA118,040A
Other versions
CA118040S (en
Inventor
Masahiko Tamura
Akira Yamaguchi
Kiyonori Iwama
Mitsuo Asahina
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of CA953017A publication Critical patent/CA953017A/en
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
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/013—Electrostatic transducers characterised by the use of electrets for loudspeakers
    • 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
    • H04R19/02—Loudspeakers
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CA118,040A 1970-07-14 1971-07-13 Electrostatic electroacoustic transducer Expired CA953017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1970069759U JPS4912598Y1 (en) 1970-07-14 1970-07-14

Publications (1)

Publication Number Publication Date
CA953017A true CA953017A (en) 1974-08-13

Family

ID=13412034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,040A Expired CA953017A (en) 1970-07-14 1971-07-13 Electrostatic electroacoustic transducer

Country Status (6)

Country Link
US (1) US3821492A (en)
JP (1) JPS4912598Y1 (en)
CA (1) CA953017A (en)
DE (1) DE2134706B2 (en)
FR (1) FR2100906B1 (en)
GB (1) GB1352407A (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA989514A (en) * 1972-09-08 1976-05-18 Loh-Yi Chang Electromechanical transducer and method of making same
US3980838A (en) * 1974-02-20 1976-09-14 Tokyo Shibaura Electric Co., Ltd. Plural electret electroacoustic transducer
US3894243A (en) * 1974-06-06 1975-07-08 Us Navy Polymeric transducer array
US3970862A (en) * 1974-06-25 1976-07-20 The United States Of America As Represented By The Secretary Of The Navy Polymeric sensor of vibration and dynamic pressure
CA1025994A (en) * 1975-07-08 1978-02-07 Uniroyal Ltd. Electromechanical transducer
US4379951A (en) * 1977-04-20 1983-04-12 Gabr Saad Z M Electro-acoustic transducer means
NL7802688A (en) * 1978-03-13 1979-09-17 Philips Nv DEVICE FOR CONVERSION FROM ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSIONS, EQUIPPED WITH AT LEAST ONE CONDENSER ELECTRICAL ELEMENT CONNECTED TO AN ELECTRONIC CIRCUIT.
US4207442A (en) * 1978-05-15 1980-06-10 Freeman Miller L Driver circuit for electrostatic transducers
DE3003178C2 (en) * 1980-01-30 1983-08-04 Sennheiser Electronic Kg, 3002 Wedemark Electroacoustic converter based on the electrostatic principle
CH642504A5 (en) * 1981-06-01 1984-04-13 Asulab Sa Hybrid electroacoustic transducer
DK572483A (en) * 1983-08-19 1985-02-20 Lectret Sa ACOUSTIC TRANSOR AND PROCEDURE FOR MANUFACTURING THIS
US4872148A (en) * 1984-03-08 1989-10-03 Polaroid Corporation Ultrasonic transducer for use in a corrosive/abrasive environment
US5054081B1 (en) * 1985-04-02 1994-06-28 Roger A West Electrostatic transducer with improved bass response utilizing distributed bass resonance energy
CA1284837C (en) * 1987-06-18 1991-06-11 Highwood Audio Inc. Audio transducer
ATE355719T1 (en) * 1993-11-14 2006-03-15 Florian Meinhard Koenig MULTI-CHANNEL HEADPHONES WITH CONTROLLED RADIATION CHARACTERISTICS
US20060082158A1 (en) * 2004-10-15 2006-04-20 Schrader Jeffrey L Method and device for supplying power from acoustic energy
TWM344699U (en) * 2008-05-08 2008-11-11 Jetvox Acoustic Corp Dual band coaxial earphone
US8855350B2 (en) * 2009-04-28 2014-10-07 Cochlear Limited Patterned implantable electret microphone
WO2011123552A1 (en) * 2010-03-30 2011-10-06 Otologics, Llc Low noise electret microphone
TWI483623B (en) * 2012-09-14 2015-05-01 Fortune Grand Technology Inc Speaker unit
CN106028228B (en) * 2016-07-25 2021-06-11 山东共达电声股份有限公司 Vibrating diaphragm and sound equipment with same
USD1000422S1 (en) * 2021-04-14 2023-10-03 Crestron Electronics, Inc. Loudspeaker grille

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR34837E (en) * 1927-10-21
DE494221C (en) * 1926-06-05 1930-03-20 Vogt Hans Device for converting acoustic vibrations into electrical and vice versa by means of electrostatic fields

Also Published As

Publication number Publication date
US3821492A (en) 1974-06-28
JPS4912598Y1 (en) 1974-03-28
GB1352407A (en) 1974-05-08
DE2134706A1 (en) 1972-01-20
FR2100906A1 (en) 1972-03-24
DE2134706B2 (en) 1974-04-18
FR2100906B1 (en) 1975-10-10

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