CH388384A - Ecouteur téléphonique électrostatique et son circuit d'alimentation - Google Patents

Ecouteur téléphonique électrostatique et son circuit d'alimentation

Info

Publication number
CH388384A
CH388384A CH286961A CH286961A CH388384A CH 388384 A CH388384 A CH 388384A CH 286961 A CH286961 A CH 286961A CH 286961 A CH286961 A CH 286961A CH 388384 A CH388384 A CH 388384A
Authority
CH
Switzerland
Prior art keywords
power supply
supply circuit
telephone receiver
electrostatic telephone
electrostatic
Prior art date
Application number
CH286961A
Other languages
English (en)
Inventor
T Selsted Walter
A Brettell George
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of CH388384A publication Critical patent/CH388384A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CH286961A 1960-03-11 1961-03-09 Ecouteur téléphonique électrostatique et son circuit d'alimentation CH388384A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14402A US3084229A (en) 1960-03-11 1960-03-11 Electrostatic earphone

Publications (1)

Publication Number Publication Date
CH388384A true CH388384A (fr) 1965-02-28

Family

ID=21765277

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286961A CH388384A (fr) 1960-03-11 1961-03-09 Ecouteur téléphonique électrostatique et son circuit d'alimentation

Country Status (5)

Country Link
US (1) US3084229A (fr)
CH (1) CH388384A (fr)
DE (1) DE1173946B (fr)
FR (1) FR1283013A (fr)
GB (1) GB948976A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497637A (en) * 1967-11-13 1970-02-24 Intelectron Corp Transducer for stimulation of facial nerve system with r-f energy
NL6804424A (fr) * 1968-04-01 1969-10-01
US3654403A (en) * 1969-05-01 1972-04-04 Chester C Pond Electrostatic speaker
US3632903A (en) * 1970-10-28 1972-01-04 Koss Electronics Inc Electrostatic headphone
US3783202A (en) * 1971-01-07 1974-01-01 Pond C Speaker system and electrostatic speaker
US4260575A (en) * 1979-11-05 1981-04-07 Koss Corporation Method for molding ear cushions
JPS57125600A (en) * 1981-02-21 1982-08-04 Bulgarsko Radio Electrostatic acoustic converter
US5210792A (en) * 1990-08-13 1993-05-11 Matsushita Electric Industrial Co., Ltd. Ear-hang type headset
US6164647A (en) * 1998-11-25 2000-12-26 Chee; Ah-Him Chong Toc Casino wheel game system
JP4103877B2 (ja) * 2004-09-22 2008-06-18 セイコーエプソン株式会社 静電型超音波トランスデューサ及び超音波スピーカ
TWI454156B (zh) 2008-10-31 2014-09-21 Htc Corp 具有駐電式電聲致動器之電子裝置
US8411882B2 (en) * 2008-10-31 2013-04-02 Htc Corporation Electronic device with electret electro-acoustic transducer
TWI405474B (zh) * 2008-12-31 2013-08-11 Htc Corp 可撓式冷光電聲致動器及使用該可撓式冷光電聲致動器之電子裝置
DE102014221583B4 (de) * 2014-10-23 2020-11-12 Sennheiser Electronic Gmbh & Co. Kg Elektroakustischer Schallwandler und Hörer
CN106341748A (zh) * 2015-07-17 2017-01-18 富祐鸿科技股份有限公司 静电耳机发声结构
DE102016125077A1 (de) * 2015-12-23 2017-06-29 Sennheiser Electronic Gmbh & Co. Kg Elektrostatischer Kopfhörer
USD1029792S1 (en) * 2021-07-15 2024-06-04 Kaetel Systems Gmbh Headphone part

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1646628A (en) * 1927-10-25 James g
US1586140A (en) * 1924-12-09 1926-05-25 Ralph W S Bonnette Receiver for radio and telephone apparatus
US1631593A (en) * 1925-03-27 1927-06-07 Photomaton Inc Photographic apparatus
US1622039A (en) * 1925-05-02 1927-03-22 Frederick W Lee Apparatus for and method of reproducing sound
US1760896A (en) * 1926-08-07 1930-06-03 Chilowsky Constantin Apparatus for the production of sounds from electric current and inversely
US1764008A (en) * 1928-10-24 1930-06-17 United Reproducers Patents Cor Push-pull electrostatic sound reproducer
US1760920A (en) * 1929-03-30 1930-06-03 American Telephone & Telegraph Testing system
US1930518A (en) * 1930-07-30 1933-10-17 Westinghouse Electric & Mfg Co Electrostatic loud speaker
AT129683B (de) * 1930-08-21 1932-09-10 Siemens Ag Elektrodynamisches Mikrophon.
FR775717A (fr) * 1934-04-05 1935-01-08 Siemens Ag Système vibratoire pour appareils acoustiques
CH195377A (de) * 1934-12-29 1938-01-31 Bell Telephone Mfg Akustische Vorrichtung.
US2092762A (en) * 1935-03-19 1937-09-14 Rca Corp Variable condenser for modulation
US2200604A (en) * 1935-10-31 1940-05-14 Indemse Corp Timepiece regulating system and method
DK55033C (da) * 1936-10-05 1938-08-01 Niels Poul Robert Jarnak Ørestykke til Telefoner eller Talestykke til Mikrofoner.
US2509310A (en) * 1948-02-03 1950-05-30 George L Carrington Microphone or receiver of the condenser type
US2603724A (en) * 1948-10-30 1952-07-15 Rca Corp Sound translating device arranged to eliminate extraneous sound
US2622159A (en) * 1950-03-11 1952-12-16 Sydney K Herman Ear pad for earpieces
DE878964C (de) * 1951-07-25 1953-06-08 Siemens Ag Schalltrichter fuer Fernsprechapparate

Also Published As

Publication number Publication date
DE1173946B (de) 1964-07-16
GB948976A (en) 1964-02-05
US3084229A (en) 1963-04-02
FR1283013A (fr) 1962-01-27

Similar Documents

Publication Publication Date Title
FR1247263A (fr) Câble mixte d'alimentation avec circuit de télécommunications
CH388384A (fr) Ecouteur téléphonique électrostatique et son circuit d'alimentation
FR1308259A (fr) Circuit générateur d'impulsions
FR1262384A (fr) Circuit de couplage d'impulsions
BE618234A (fr) Equipements d'alimentation en courant électrique
CH394298A (de) Ringschaltung
MY6900298A (en) Electrical circuits
BE603295A (fr) Circuit d'alimentation
FR1269365A (fr) Dispositif d'alimentation électrique
BE611006A (fr) Système d'alimentation électrique
FR1302180A (fr) Circuits électriques utilisant des superconducteurs
BE600582A (fr) Circuit d'alimentation en courant
FR1327035A (fr) Circuits électriques et procédés s'y rapportant
CA593615A (en) Transistor element and transistor circuit
FR1294675A (fr) Dispositif d'alimentation en courant
FR1282008A (fr) Circuit d'appel téléphonique
FR1235644A (fr) Dispositif électronique d'alimentation
CA601397A (en) Constant current supply circuit
FR1200327A (fr) Perfectionnements au matériel d'appareillage électrique
FR1328144A (fr) Circuit d'alimentation en courant alternatif
BE619884A (fr) Circuit d'alimentation en courant alternatif
AU241881B2 (en) Circuit elements comprising an electroluminescent member and photosensitive member
FR1231824A (fr) Circuit d'alimentation d'un embrayage électromagnétique
BE598979A (fr) Circuit d'addition
FR1361101A (fr) Circuit d'alimentation en courant