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JPS5632839B1 - - Google Patents

Info

Publication number
JPS5632839B1
JPS5632839B1 JP1382871A JP1382871A JPS5632839B1 JP S5632839 B1 JPS5632839 B1 JP S5632839B1 JP 1382871 A JP1382871 A JP 1382871A JP 1382871 A JP1382871 A JP 1382871A JP S5632839 B1 JPS5632839 B1 JP S5632839B1
Authority
JP
Japan
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.)
Pending
Application number
JP1382871A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1382871A priority Critical patent/JPS5632839B1/ja
Priority to US00230435A priority patent/US3833770A/en
Priority to GB939772A priority patent/GB1387453A/en
Priority to CA136,566A priority patent/CA947856A/en
Priority to FR7208419A priority patent/FR2186799B1/fr
Priority to DE19722211729 priority patent/DE2211729A1/en
Publication of JPS5632839B1 publication Critical patent/JPS5632839B1/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP1382871A 1971-03-11 1971-03-11 Pending JPS5632839B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1382871A JPS5632839B1 (en) 1971-03-11 1971-03-11
US00230435A US3833770A (en) 1971-03-11 1972-02-29 Electrostatic acoustic transducer
GB939772A GB1387453A (en) 1971-03-11 1972-02-29 Electrostatic electro-acoustic transducer
CA136,566A CA947856A (en) 1971-03-11 1972-03-08 Electrostatic acoustic transformer
FR7208419A FR2186799B1 (en) 1971-03-11 1972-03-10
DE19722211729 DE2211729A1 (en) 1971-03-11 1972-03-10 Electrostatic-acoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1382871A JPS5632839B1 (en) 1971-03-11 1971-03-11

Publications (1)

Publication Number Publication Date
JPS5632839B1 true JPS5632839B1 (en) 1981-07-30

Family

ID=11844119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1382871A Pending JPS5632839B1 (en) 1971-03-11 1971-03-11

Country Status (6)

Country Link
US (1) US3833770A (en)
JP (1) JPS5632839B1 (en)
CA (1) CA947856A (en)
DE (1) DE2211729A1 (en)
FR (1) FR2186799B1 (en)
GB (1) GB1387453A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110996237A (en) * 2018-05-14 2020-04-10 董耀斌 Electron generator, net charge generating device and electrostatic loudspeaker

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7313455A (en) * 1973-10-01 1975-04-03 Philips Nv MICROPHONE WITH ELECTROSTATIC CAPSULE.
US3921167A (en) * 1974-06-14 1975-11-18 Ibm Capacitive circuitboard
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber
NL8004351A (en) * 1980-07-30 1982-03-01 Philips Nv ELECTRIC CONVERTER.
JPH02149199A (en) * 1988-11-30 1990-06-07 Matsushita Electric Ind Co Ltd Electlet condenser microphone
US8559660B2 (en) * 2007-07-12 2013-10-15 Industrial Technology Research Institute Electrostatic electroacoustic transducers
TWI343756B (en) * 2009-08-10 2011-06-11 Ind Tech Res Inst Flat loudspeaker structure
US8184833B2 (en) * 2007-12-14 2012-05-22 Sony Ericsson Mobile Communications Ab Electrostatic speaker arrangement for a mobile device
US20100079379A1 (en) * 2008-09-26 2010-04-01 Sony Ericsson Mobile Communications Ab Portable communication device having an electroluminescent driven haptic keypad

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
US3160715A (en) * 1960-11-15 1964-12-08 Gussing Nils Torsten Alson Electrostatic loudspeakers
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
FR1354631A (en) * 1962-05-22 1964-03-06 Western Electric Co Electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110996237A (en) * 2018-05-14 2020-04-10 董耀斌 Electron generator, net charge generating device and electrostatic loudspeaker

Also Published As

Publication number Publication date
DE2211729A1 (en) 1972-09-28
US3833770A (en) 1974-09-03
CA947856A (en) 1974-05-21
GB1387453A (en) 1975-03-19
FR2186799B1 (en) 1975-03-07
FR2186799A1 (en) 1974-01-11

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