ES177013A1 - IMPROVEMENTS IN OR RELATED TO MICROPHONES - Google Patents

IMPROVEMENTS IN OR RELATED TO MICROPHONES

Info

Publication number
ES177013A1
ES177013A1 ES177013A ES177013A ES177013A1 ES 177013 A1 ES177013 A1 ES 177013A1 ES 177013 A ES177013 A ES 177013A ES 177013 A ES177013 A ES 177013A ES 177013 A1 ES177013 A1 ES 177013A1
Authority
ES
Spain
Prior art keywords
microphones
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
ES177013A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES177013A1 publication Critical patent/ES177013A1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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
    • H04R9/08—Microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
ES177013A 1945-12-11 1947-02-28 IMPROVEMENTS IN OR RELATED TO MICROPHONES Expired ES177013A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB264459X 1945-12-11

Publications (1)

Publication Number Publication Date
ES177013A1 true ES177013A1 (en) 1947-04-16

Family

ID=10243722

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177013A Expired ES177013A1 (en) 1945-12-11 1947-02-28 IMPROVEMENTS IN OR RELATED TO MICROPHONES

Country Status (6)

Country Link
US (1) US2510079A (en)
BE (1) BE472060A (en)
CH (1) CH264459A (en)
ES (1) ES177013A1 (en)
FR (1) FR936879A (en)
GB (1) GB625013A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207833B (en) * 1987-08-05 1990-10-31 Advanced Acoustics Limited Microphone assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB160223A (en) * 1919-11-18 1921-03-18 Adrian Francis Sykes Improvements in telephonic and like apparatus
US1902643A (en) * 1930-10-30 1933-03-21 Westinghouse Electric & Mfg Co Electrical translating device
US2106224A (en) * 1933-11-21 1938-01-25 Rca Corp Device for transforming acoustical energy into electrical energy
US2164157A (en) * 1936-07-11 1939-06-27 Electrical Res Prod Inc Acoustic device
US2141420A (en) * 1936-07-28 1938-12-27 Bell Telephone Labor Inc Acoustic device
US2183209A (en) * 1936-09-30 1939-12-12 Rca Corp Electroacoustical apparatus
GB511034A (en) * 1937-12-31 1939-07-31 Henry John Houlgate Improvements in and relating to electric acoustic devices

Also Published As

Publication number Publication date
CH264459A (en) 1949-10-15
BE472060A (en)
FR936879A (en) 1948-08-02
US2510079A (en) 1950-06-06
GB625013A (en) 1949-06-21

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