CH388384A - Ecouteur téléphonique électrostatique et son circuit d'alimentation - Google Patents
Ecouteur téléphonique électrostatique et son circuit d'alimentationInfo
- 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
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)
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)
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)
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 |
-
1960
- 1960-03-11 US US14402A patent/US3084229A/en not_active Expired - Lifetime
-
1961
- 1961-03-01 DE DEA36850A patent/DE1173946B/de active Pending
- 1961-03-01 GB GB7516/61A patent/GB948976A/en not_active Expired
- 1961-03-07 FR FR854803A patent/FR1283013A/fr not_active Expired
- 1961-03-09 CH CH286961A patent/CH388384A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE1173946B (de) | 1964-07-16 |
FR1283013A (fr) | 1962-01-27 |
GB948976A (en) | 1964-02-05 |
US3084229A (en) | 1963-04-02 |
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