AU2394284A - Electro acoustic transducer - Google Patents

Electro acoustic transducer

Info

Publication number
AU2394284A
AU2394284A AU23942/84A AU2394284A AU2394284A AU 2394284 A AU2394284 A AU 2394284A AU 23942/84 A AU23942/84 A AU 23942/84A AU 2394284 A AU2394284 A AU 2394284A AU 2394284 A AU2394284 A AU 2394284A
Authority
AU
Australia
Prior art keywords
acoustic transducer
electro acoustic
electro
transducer
acoustic
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.)
Granted
Application number
AU23942/84A
Other versions
AU569275B2 (en
Inventor
Trevor Burton
Malcolm Roger King
Frank Taylor
Norman William Tester
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Publication of AU2394284A publication Critical patent/AU2394284A/en
Application granted granted Critical
Publication of AU569275B2 publication Critical patent/AU569275B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
AU23942/84A 1983-02-04 1984-02-01 Electro acoustic transducer Ceased AU569275B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8303131 1983-02-04
GB08303131A GB2134745B (en) 1983-02-04 1983-02-04 Electro acoustic tranducer

Publications (2)

Publication Number Publication Date
AU2394284A true AU2394284A (en) 1984-08-09
AU569275B2 AU569275B2 (en) 1988-01-28

Family

ID=10537478

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23942/84A Ceased AU569275B2 (en) 1983-02-04 1984-02-01 Electro acoustic transducer

Country Status (6)

Country Link
AU (1) AU569275B2 (en)
GB (1) GB2134745B (en)
HK (1) HK76187A (en)
IE (1) IE55102B1 (en)
NZ (1) NZ206899A (en)
SG (1) SG40087G (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3700594A1 (en) * 1986-01-16 1987-07-23 Akg Akustische Kino Geraete PRESSURE GRADIENT RECEIVER
GB8727072D0 (en) * 1987-11-19 1987-12-23 British Telecomm Moisture barrier assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB388069A (en) * 1929-05-15 1933-02-20 Electrical Res Prod Inc Improvements in electrodynamic devices for use in receiving or transmitting sound
GB409368A (en) * 1932-04-12 1934-04-30 Electrical Res Prod Inc Improvements in or relating to acoustic devices of the electrodynamic type
AT274916B (en) * 1966-02-14 1969-10-10 Elektroakusztikai Gyar Dynamic microphone
GB1350122A (en) * 1970-10-29 1974-04-18 Electronic Res Ass Sound reproducing equipment
NL7105001A (en) * 1971-04-14 1972-10-17
US3940575A (en) * 1975-03-03 1976-02-24 Cbs Inc. Directional microphone
NZ197139A (en) * 1980-05-23 1985-01-31 Int Standard Electric Corp Moving coil electrodynamic transducer construction
GB2114855B (en) * 1982-02-09 1985-10-23 Standard Telephones Cables Ltd Moving coil transducer

Also Published As

Publication number Publication date
GB2134745A (en) 1984-08-15
AU569275B2 (en) 1988-01-28
SG40087G (en) 1987-07-24
IE840162L (en) 1984-08-04
HK76187A (en) 1987-10-23
NZ206899A (en) 1987-10-30
IE55102B1 (en) 1990-05-23
GB2134745B (en) 1986-10-22
GB8303131D0 (en) 1983-03-09

Similar Documents

Publication Publication Date Title
AU569860B2 (en) Force transducer
DE3171229D1 (en) Electro acoustic planar transducer
EP0140618A3 (en) Acoustic transducer
AU1788588A (en) Flextensional transducer
GB8425064D0 (en) Acoustic transducer
AU7163987A (en) Flextensional transducers
GB2164226B (en) Electroacoustic transducer
AU5330486A (en) Acoustic hearing aid
AU577721B2 (en) Acoustic transducer system
AU549079B2 (en) Electro acoustic transducer
GB8507003D0 (en) Acoustic transducers
GB2146870B (en) Directional acoustic transducer
GB8411493D0 (en) Electro-acoustic transducer
GB2144600B (en) Electro acoustic transducer
AU3064284A (en) Low frequency sound transducer
AU538166B2 (en) Electroacoustic transducers
AU2604884A (en) Wide band acoustic receiving transducer
AU2593384A (en) Mounting strain transducers
AU569275B2 (en) Electro acoustic transducer
AU570029B2 (en) Ultro accoustic transducer assembly
GB2059715B (en) Electro acoustic transducers
GB8425213D0 (en) Electro-acoustic transducer
GB8415062D0 (en) Electro-acoustic transducers
GB8430110D0 (en) Piezoelectric speaker
AU3373984A (en) Electro-acoustic transducer