GB2254978B - Electroacoustic transducer used in a microphone - Google Patents

Electroacoustic transducer used in a microphone

Info

Publication number
GB2254978B
GB2254978B GB9107950A GB9107950A GB2254978B GB 2254978 B GB2254978 B GB 2254978B GB 9107950 A GB9107950 A GB 9107950A GB 9107950 A GB9107950 A GB 9107950A GB 2254978 B GB2254978 B GB 2254978B
Authority
GB
United Kingdom
Prior art keywords
microphone
electroacoustic transducer
transducer used
electroacoustic
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 - Fee Related
Application number
GB9107950A
Other versions
GB2254978A (en
GB9107950D0 (en
Inventor
Ching-Lu Chang
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.)
CHANG CHING LU
Original Assignee
CHANG CHING LU
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 CHANG CHING LU filed Critical CHANG CHING LU
Priority to GB9107950A priority Critical patent/GB2254978B/en
Publication of GB9107950D0 publication Critical patent/GB9107950D0/en
Publication of GB2254978A publication Critical patent/GB2254978A/en
Application granted granted Critical
Publication of GB2254978B publication Critical patent/GB2254978B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB9107950A 1991-04-15 1991-04-15 Electroacoustic transducer used in a microphone Expired - Fee Related GB2254978B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9107950A GB2254978B (en) 1991-04-15 1991-04-15 Electroacoustic transducer used in a microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9107950A GB2254978B (en) 1991-04-15 1991-04-15 Electroacoustic transducer used in a microphone

Publications (3)

Publication Number Publication Date
GB9107950D0 GB9107950D0 (en) 1991-05-29
GB2254978A GB2254978A (en) 1992-10-21
GB2254978B true GB2254978B (en) 1994-08-03

Family

ID=10693263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9107950A Expired - Fee Related GB2254978B (en) 1991-04-15 1991-04-15 Electroacoustic transducer used in a microphone

Country Status (1)

Country Link
GB (1) GB2254978B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154096A (en) * 1984-02-08 1985-08-29 Chien Yuan Liu Loudspeaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154096A (en) * 1984-02-08 1985-08-29 Chien Yuan Liu Loudspeaker

Also Published As

Publication number Publication date
GB2254978A (en) 1992-10-21
GB9107950D0 (en) 1991-05-29

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Legal Events

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

Effective date: 19980415