FR936416A - Système vibrant, en particulier système électro-dynamique muni d'une membrane - Google Patents

Système vibrant, en particulier système électro-dynamique muni d'une membrane

Info

Publication number
FR936416A
FR936416A FR936416DA FR936416A FR 936416 A FR936416 A FR 936416A FR 936416D A FR936416D A FR 936416DA FR 936416 A FR936416 A FR 936416A
Authority
FR
France
Prior art keywords
membrane
fitted
particular electro
vibrating
dynamic
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
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR936416A publication Critical patent/FR936416A/fr
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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • 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 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR936416D 1945-12-03 1946-12-02 Système vibrant, en particulier système électro-dynamique muni d'une membrane Expired FR936416A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL122255 1945-12-03

Publications (1)

Publication Number Publication Date
FR936416A true FR936416A (fr) 1948-07-20

Family

ID=19750392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936416D Expired FR936416A (fr) 1945-12-03 1946-12-02 Système vibrant, en particulier système électro-dynamique muni d'une membrane

Country Status (4)

Country Link
US (1) US2549963A (xx)
DE (1) DE836497C (xx)
FR (1) FR936416A (xx)
NL (1) NL67077C (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB698695A (en) * 1951-01-11 1953-10-21 Lustraphone Ltd Improvements in or relating to microphones
US2838607A (en) * 1951-04-27 1958-06-10 Rca Corp Combination chassis and loudspeaker
US2761912A (en) * 1951-05-31 1956-09-04 Martin L Touger Sound translating apparatus
US2773130A (en) * 1953-03-31 1956-12-04 Rca Corp Acoustical resistance for pressure type microphones
US2858377A (en) * 1953-04-29 1958-10-28 Arthur Blumenfeld Driver unit for loudspeakers
DE1073545B (de) * 1953-06-02 1960-01-21 Akustische u Kino Gerate Ges mbH, Wien Dynamisches Rieht mikrophon
NL102054C (xx) * 1954-01-11
DE1079997B (de) * 1954-06-29 1960-04-14 Kockums Mek Verkst S Aktiebola Druckmittelbetriebener Schallerzeuger
US3085847A (en) * 1956-02-16 1963-04-16 Massa Division Of Cohu Electro Direct recording oscillograph
US2923783A (en) * 1957-06-17 1960-02-02 Stanley F White Electro-acoustical transducer
GB956448A (en) * 1959-06-24 1964-04-29 Philips Electrical Ind Ltd Improvements in or relating to electrodynamic microphones
AT219680B (de) * 1960-07-15 1962-02-12 Akg Akustische Kino Geraete Dynamischer Kopfhörer
US3079471A (en) * 1961-03-01 1963-02-26 Ampex Loudspeaker
FR85403E (fr) * 1963-07-16 1965-08-06 Geophysique Cie Gle Perfectionnements aux vibrateurs électro-mécaniques
US3581015A (en) * 1966-12-28 1971-05-25 Aiwa Co Dynamic microphone
DE1277347B (de) * 1967-06-05 1968-09-12 Willco Gmbh Mikrophon fuer Hoergeraete
DE2503828C3 (de) * 1975-01-30 1983-04-21 Friedrich Reiner Telefonfabrik Permanentdynamische elektroakustische Wandlerkapsel
NL7908896A (nl) * 1979-12-11 1981-07-01 Philips Nv Een mechanisch filter voor een elektrodynamische omzetter.
DE3016385A1 (de) * 1980-04-29 1981-11-05 Realton-Gesellschaft für neuartige Musikinstrumente mbH & Co KG, 5350 Euskirchen Vorrichtung zur umwandlung eines ein nutzsignal bildenden staudruckes in eine elektriche groesse
WO1989004106A1 (en) * 1987-10-28 1989-05-05 Acs Communications, Inc. Acoustic filter microphone cup
US8630435B2 (en) * 2008-08-08 2014-01-14 Nokia Corporation Apparatus incorporating an adsorbent material, and methods of making same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957765A (en) * 1934-05-08 Magnetomotive force circuits
US1634380A (en) * 1922-04-21 1927-07-05 Nayler William Edwin Sound box for gramophones and similar instruments
US1964606A (en) * 1932-04-12 1934-06-26 Bell Telephone Labor Inc Acoustic device
US2429470A (en) * 1934-06-04 1947-10-21 Jensen Mfg Company Loud-speaker with pressure-equalized chamber system enclosing flux gap
US2295483A (en) * 1934-06-04 1942-09-08 Jensen Radio Mfg Company Loudspeaker
US2197649A (en) * 1936-11-14 1940-04-16 Cinaudagraph Corp Loudspeaker and method of formation
US2312238A (en) * 1938-01-27 1943-02-23 Rca Corp Dynamic loud-speaker
US2367026A (en) * 1941-08-06 1945-01-09 Rock Ola Mfg Corp Electrodynamic speaker
US2395166A (en) * 1942-12-24 1946-02-19 Astatic Corp Transducer

Also Published As

Publication number Publication date
DE836497C (de) 1952-04-15
NL67077C (xx)
US2549963A (en) 1951-04-24

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