GB1303792A - - Google Patents

Info

Publication number
GB1303792A
GB1303792A GB1303792DA GB1303792A GB 1303792 A GB1303792 A GB 1303792A GB 1303792D A GB1303792D A GB 1303792DA GB 1303792 A GB1303792 A GB 1303792A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
enclosed
microphone
housing
framework
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)
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 GB1303792A publication Critical patent/GB1303792A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB1303792D 1970-01-20 1970-01-20 Expired GB1303792A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB273670 1970-01-20

Publications (1)

Publication Number Publication Date
GB1303792A true GB1303792A (https=) 1973-01-17

Family

ID=9744922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303792D Expired GB1303792A (https=) 1970-01-20 1970-01-20

Country Status (1)

Country Link
GB (1) GB1303792A (https=)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee