GB1358057A - Electrostatic loudspeakers - Google Patents

Electrostatic loudspeakers

Info

Publication number
GB1358057A
GB1358057A GB4727471A GB4727471A GB1358057A GB 1358057 A GB1358057 A GB 1358057A GB 4727471 A GB4727471 A GB 4727471A GB 4727471 A GB4727471 A GB 4727471A GB 1358057 A GB1358057 A GB 1358057A
Authority
GB
United Kingdom
Prior art keywords
loud
speaker
membranes
strips
spacers
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
GB4727471A
Other languages
English (en)
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.)
Bobb L M
Pond C C
Original Assignee
Bobb L M
Pond C C
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 Bobb L M, Pond C C filed Critical Bobb L M
Publication of GB1358057A publication Critical patent/GB1358057A/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
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB4727471A 1970-10-09 1971-10-11 Electrostatic loudspeakers Expired GB1358057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00079488A US3821490A (en) 1970-10-09 1970-10-09 Electroacoustic transducer especially electrostatic speakers and systems

Publications (1)

Publication Number Publication Date
GB1358057A true GB1358057A (en) 1974-06-26

Family

ID=22150879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4727471A Expired GB1358057A (en) 1970-10-09 1971-10-11 Electrostatic loudspeakers

Country Status (4)

Country Link
US (1) US3821490A (enrdf_load_stackoverflow)
JP (2) JPS5542560B1 (enrdf_load_stackoverflow)
DE (1) DE2150194C3 (enrdf_load_stackoverflow)
GB (1) GB1358057A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855967A (zh) * 2019-02-27 2019-06-07 太原理工大学 一种破碎煤岩体压实-声发射-电阻率实验装置及方法

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31228E (en) * 1967-12-04 1983-05-03 Bose Corporation Loudspeaker system
NL7512512A (nl) * 1975-10-27 1977-04-29 Bernardus Gradus Peters Werkwijze en inrichting voor het vervaardigen van een elektrostatische luidspreker.
SE398588B (sv) * 1977-03-23 1977-12-27 Ericsson Telefon Ab L M Temperaturstabil elektretmikrofon
US4160882A (en) * 1978-03-13 1979-07-10 Driver Michael L Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics
AT366862B (de) * 1980-07-28 1982-05-10 Akg Akustische Kino Geraete Elektroakustischer wandler nach dem zweiwegprinzip
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US6304662B1 (en) 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US6188772B1 (en) 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US6175636B1 (en) 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
US7142688B2 (en) * 2001-01-22 2006-11-28 American Technology Corporation Single-ended planar-magnetic speaker
EP1632104A2 (en) * 2003-06-09 2006-03-08 American Technology Corporation System and method for delivering audio-visual content along a customer waiting line
WO2005043771A1 (en) * 2003-10-23 2005-05-12 American Technology Corporation Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
DE102006045385B4 (de) * 2006-03-01 2020-09-24 Volkswagen Ag Lautsprecheranordnung in einem Kraftfahrzeug sowie ein Verfahren zur Ansteuerung des mindestens einen Lautsprechers
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
US8578599B2 (en) * 2010-03-22 2013-11-12 Rogers Corporation Method of making a supported foam circuit laminate
CN103168480B (zh) 2010-06-14 2016-03-30 乌龟海岸公司 改善的参量信号处理和发射器系统及相关方法
US9036831B2 (en) 2012-01-10 2015-05-19 Turtle Beach Corporation Amplification system, carrier tracking systems and related methods for use in parametric sound systems
WO2013158298A1 (en) 2012-04-18 2013-10-24 Parametric Sound Corporation Parametric transducers related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
CN117939337B (zh) * 2024-01-16 2024-08-27 深圳市十度数码科技有限公司 一种可减弱静电吸附作用的音响

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS455746Y1 (enrdf_load_stackoverflow) * 1965-12-28 1970-03-19
GB1262505A (en) * 1968-04-29 1972-02-02 Lloyd Joseph Bobb Speaker system and electrostatic speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855967A (zh) * 2019-02-27 2019-06-07 太原理工大学 一种破碎煤岩体压实-声发射-电阻率实验装置及方法

Also Published As

Publication number Publication date
JPS5558695A (en) 1980-05-01
DE2150194C3 (de) 1981-11-19
JPS57715B2 (enrdf_load_stackoverflow) 1982-01-07
DE2150194A1 (de) 1972-08-03
DE2150194B2 (de) 1981-01-15
JPS5542560B1 (enrdf_load_stackoverflow) 1980-10-31
US3821490A (en) 1974-06-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee