CH388384A - Electrostatic telephone receiver and its power supply circuit - Google Patents

Electrostatic telephone receiver and its power supply circuit

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
French (fr)
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/en

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
    • H04R1/10—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 Electrostatic telephone receiver and its power supply circuit CH388384A (en)

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 (en) 1965-02-28

Family

ID=21765277

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286961A CH388384A (en) 1960-03-11 1961-03-09 Electrostatic telephone receiver and its power supply circuit

Country Status (5)

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

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 (en) * 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 (en) * 2004-09-22 2008-06-18 セイコーエプソン株式会社 Electrostatic ultrasonic transducer and ultrasonic speaker
TWI454156B (en) 2008-10-31 2014-09-21 Htc Corp Electronic device with electret electro-acoustic transducer
US8411882B2 (en) * 2008-10-31 2013-04-02 Htc Corporation Electronic device with electret electro-acoustic transducer
TWI405474B (en) * 2008-12-31 2013-08-11 Htc Corp Flexible luminescent electro-acoustic transducer and electronic device using the same
DE102014221583B4 (en) * 2014-10-23 2020-11-12 Sennheiser Electronic Gmbh & Co. Kg Electroacoustic transducer and receiver
CN106341748A (en) * 2015-07-17 2017-01-18 富祐鸿科技股份有限公司 Electrostatic earphone sounding structure
US10231060B2 (en) * 2015-12-23 2019-03-12 Sennheiser Electronic Gmbh & Co. Kg Electrostatic headphones
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 (en) * 1930-08-21 1932-09-10 Siemens Ag Electrodynamic microphone.
FR775717A (en) * 1934-04-05 1935-01-08 Siemens Ag Vibration system for hearing devices
CH195377A (en) * 1934-12-29 1938-01-31 Bell Telephone Mfg Acoustic device.
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 (en) * 1936-10-05 1938-08-01 Niels Poul Robert Jarnak Earpiece for Phones or Voicepiece for Microphones.
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 (en) * 1951-07-25 1953-06-08 Siemens Ag Horns for telephones

Also Published As

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

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