CA1149928A - Electrostatic loudspeaker - Google Patents

Electrostatic loudspeaker

Info

Publication number
CA1149928A
CA1149928A CA000340338A CA340338A CA1149928A CA 1149928 A CA1149928 A CA 1149928A CA 000340338 A CA000340338 A CA 000340338A CA 340338 A CA340338 A CA 340338A CA 1149928 A CA1149928 A CA 1149928A
Authority
CA
Canada
Prior art keywords
diaphragm
thin metal
flexible sheets
coated
thickness
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
CA000340338A
Other languages
English (en)
French (fr)
Inventor
Meiro Kawasaki
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1149928A publication Critical patent/CA1149928A/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
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CA000340338A 1978-11-28 1979-11-21 Electrostatic loudspeaker Expired CA1149928A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP146836/78 1978-11-28
JP14683678A JPS5573200A (en) 1978-11-28 1978-11-28 Capacitor-type speaker

Publications (1)

Publication Number Publication Date
CA1149928A true CA1149928A (en) 1983-07-12

Family

ID=15416616

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000340338A Expired CA1149928A (en) 1978-11-28 1979-11-21 Electrostatic loudspeaker

Country Status (6)

Country Link
JP (1) JPS5573200A (enrdf_load_stackoverflow)
CA (1) CA1149928A (enrdf_load_stackoverflow)
DE (1) DE2947973A1 (enrdf_load_stackoverflow)
FR (1) FR2443181B1 (enrdf_load_stackoverflow)
GB (1) GB2037537B (enrdf_load_stackoverflow)
NL (1) NL7908511A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993001691A1 (en) * 1991-07-11 1993-01-21 Driver Michael L Electrolytic loudspeaker assembly
FR2683969B1 (fr) * 1991-11-15 1997-06-20 Thomson Csf Membrane d'etancheite pour dispositif immerge, notamment pour dispositif acoustique sous-marin, et dispositif comprenant une telle membrane.
JP3281887B2 (ja) * 1993-07-30 2002-05-13 ソニー株式会社 静電容量型スピーカー用振動板
SE9401761D0 (sv) * 1994-05-19 1994-05-19 Lars Staahl Högpresterande skal/membran
DE102007014577A1 (de) 2007-03-23 2008-09-25 Sennheiser Electronic Gmbh & Co. Kg Kapazitiver Aufnahmewandler und Mikrofon
CN102300144B (zh) * 2010-06-22 2015-07-29 宏达国际电子股份有限公司 电容式电声转换系统及其电容式电声转换器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422299A (en) * 1933-11-03 1935-01-09 Gen Electric Co Ltd Improvements in apparatus such as loud speakers for converting electrical oscillations into mechanical oscillations
GB838024A (en) * 1956-10-11 1960-06-22 Pye Ltd Improvements in electrostatic loudspeakers
CA866963A (en) * 1969-12-08 1971-03-23 Dayton Wright Associates Limited Audio system including electrostatic loudspeaker
US3778562A (en) * 1973-10-21 1973-12-11 Dayton Wright Ass Ltd Electrostatic loudspeaker having acoustic wavefront modifying device
CA1025994A (en) * 1975-07-08 1978-02-07 Uniroyal Ltd. Electromechanical transducer

Also Published As

Publication number Publication date
JPS5573200A (en) 1980-06-02
GB2037537A (en) 1980-07-09
DE2947973A1 (de) 1980-06-04
FR2443181A1 (fr) 1980-06-27
JPS6117440B2 (enrdf_load_stackoverflow) 1986-05-07
NL7908511A (nl) 1980-05-30
GB2037537B (en) 1983-05-05
FR2443181B1 (fr) 1986-05-09

Similar Documents

Publication Publication Date Title
US3942029A (en) Electrostatic transducer
US4160882A (en) Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics
US3941946A (en) Electrostatic transducer assembly
US8472651B2 (en) Ultrasonic transducer for parametric array
US4246448A (en) Electromechanical transducer
EP0262145A1 (en) Piezoelectric polymeric film balloon speaker
MXPA97000089A (en) Systems of acceleration sensitivity microphone in site reduc
CA1149928A (en) Electrostatic loudspeaker
CA1123090A (en) Membrane type electro-acoustic transducer
JP4146927B2 (ja) コンデンサマイクロフォン
WO2018121701A1 (zh) 一种静电扬声器结构
US3084229A (en) Electrostatic earphone
JPS5881000A (ja) エレクトレツトマイクロホンシ−ルド
US20020141606A1 (en) Power supply assembly
US3894333A (en) Electromechanical transducer and method of making same
US3833770A (en) Electrostatic acoustic transducer
EP0034503A1 (en) Improvements in moving coil loudspeakers
US3668336A (en) Audio system including electrostatic loudspeaker
US5206914A (en) Electrostatic acoustic transducer having extremely thin diaphragm substrate
US3783202A (en) Speaker system and electrostatic speaker
GB2068680A (en) Arrangement for driving speaker through constant-current power amplifier
JP2015130636A (ja) コンデンサヘッドホン
CA1197605A (en) Method for manufacturing electret device
US3649775A (en) Electro-static phonograph pickup
Reedyk An Electret Transmitter for the Telephone Set'

Legal Events

Date Code Title Description
MKEX Expiry