GB2071961B - Electro-acoustic transducer - Google Patents

Electro-acoustic transducer

Info

Publication number
GB2071961B
GB2071961B GB8008252A GB8008252A GB2071961B GB 2071961 B GB2071961 B GB 2071961B GB 8008252 A GB8008252 A GB 8008252A GB 8008252 A GB8008252 A GB 8008252A GB 2071961 B GB2071961 B GB 2071961B
Authority
GB
United Kingdom
Prior art keywords
electro
acoustic transducer
acoustic
transducer
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
GB8008252A
Other versions
GB2071961A (en
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
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8008252A priority Critical patent/GB2071961B/en
Publication of GB2071961A publication Critical patent/GB2071961A/en
Application granted granted Critical
Publication of GB2071961B publication Critical patent/GB2071961B/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers
    • 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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB8008252A 1980-03-11 1980-03-11 Electro-acoustic transducer Expired GB2071961B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8008252A GB2071961B (en) 1980-03-11 1980-03-11 Electro-acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8008252A GB2071961B (en) 1980-03-11 1980-03-11 Electro-acoustic transducer

Publications (2)

Publication Number Publication Date
GB2071961A GB2071961A (en) 1981-09-23
GB2071961B true GB2071961B (en) 1983-08-10

Family

ID=10512013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8008252A Expired GB2071961B (en) 1980-03-11 1980-03-11 Electro-acoustic transducer

Country Status (1)

Country Link
GB (1) GB2071961B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100344091B1 (en) * 2000-04-18 2002-07-24 주식회사 도우미텍 Arousing bone vibrator and speaker headset for arousing bone using the same
US8295537B2 (en) * 2010-03-31 2012-10-23 Bose Corporation Loudspeaker moment and torque balancing
US8295536B2 (en) * 2010-03-31 2012-10-23 Bose Corporation Moving magnet levered loudspeaker
US9055370B2 (en) 2012-08-31 2015-06-09 Bose Corporation Vibration-reducing passive radiators

Also Published As

Publication number Publication date
GB2071961A (en) 1981-09-23

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee