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; DEAF-AID SETS; 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1303792A true GB1303792A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-01-17

Family

ID=9744922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303792D Expired GB1303792A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-01-20 1970-01-20

Country Status (1)

Country Link
GB (1) GB1303792A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
DE3275803D1 (en) Electro-acoustic transducer
GB1380929A (en) Electromagnetic transducer
GB1011871A (en) Microphone
FR2427024A1 (fr) Transducteur electro-acoustique tel que haut-parleur
FR2379220A1 (fr) Haut-parleur a cornet
JPS55150699A (en) Speaker
GB1357403A (en) Electroacoustic transducer
JPS5660191A (en) Acoustic device for car
GB961369A (en) Improvements in electro-acoustic transducer which is incorporated in a capsule and comprises a transistor amplifier particularly for telephone handsets
GB574611A (en) Improvements in or relating to directional microphones
ES8204902A1 (es) Un transductor electroacustico
GB604159A (en) Improvements in or relating to acoustic transducers
GB969288A (en) Transducer
GB1303792A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB1534842A (en) Loudspeakers and associated circuitry
GB803283A (en) Improvements in or relating to electroacoustic transducers
GB1206917A (en) Electroacoustic transducer
ES335162A1 (es) Un metodo de manufacturar un dispositivo para convertir oscilaciones electricas en vibraciones acusticas y recipro- camente.
GB821707A (en) Improvements in or relating to electro-acoustic transducers
GB1139770A (en) Second order pressure gradient microphone
JPS52113717A (en) Electro-acoustic transducer
JPS55135500A (en) Electroacoustic transducer
IT1024704B (it) Unita microfonica perfezionata
Wallace et al. Intracardiac acoustics
GB831944A (en) Improvements in or relating to electro-magnetic sound transducers such as loudspeakers and to sound reproducing apparatus incorporating loudspeakers

Legal Events

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