BE690020A - - Google Patents

Info

Publication number
BE690020A
BE690020A BE690020DA BE690020A BE 690020 A BE690020 A BE 690020A BE 690020D A BE690020D A BE 690020DA BE 690020 A BE690020 A BE 690020A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE690020A publication Critical patent/BE690020A/xx

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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE690020D 1965-11-26 1966-11-22 BE690020A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50988765A 1965-11-26 1965-11-26

Publications (1)

Publication Number Publication Date
BE690020A true BE690020A (en:Method) 1967-05-02

Family

ID=24028504

Family Applications (1)

Application Number Title Priority Date Filing Date
BE690020D BE690020A (en:Method) 1965-11-26 1966-11-22

Country Status (4)

Country Link
US (1) US3440363A (en:Method)
BE (1) BE690020A (en:Method)
FR (1) FR1501584A (en:Method)
NL (1) NL6616641A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660602A (en) * 1970-06-01 1972-05-02 Conrac Corp Microphone cartridge with amplifier
US4230383A (en) * 1978-11-09 1980-10-28 Pittway Corporation Integral contact
US7475598B2 (en) * 2003-09-11 2009-01-13 New Transducers Limited Electromechanical force transducer
GB0321292D0 (en) * 2003-09-11 2003-10-15 New Transducers Ltd Transducer
USD901459S1 (en) * 2020-07-15 2020-11-10 Yang Zhao Microphone pop filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260538B (de) * 1964-09-09 1968-02-08 Siemens Ag Druckelektrischer Wandler
US3377440A (en) * 1965-02-10 1968-04-09 Int Standard Electric Corp Rocking armature receivers
US3383475A (en) * 1965-09-08 1968-05-14 Euphonics Corp Microphone employing piezoresistive element

Also Published As

Publication number Publication date
US3440363A (en) 1969-04-22
FR1501584A (fr) 1967-11-10
NL6616641A (en:Method) 1967-05-29

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