GB9515664D0 - Microphone amplifier - Google Patents

Microphone amplifier

Info

Publication number
GB9515664D0
GB9515664D0 GBGB9515664.2A GB9515664A GB9515664D0 GB 9515664 D0 GB9515664 D0 GB 9515664D0 GB 9515664 A GB9515664 A GB 9515664A GB 9515664 D0 GB9515664 D0 GB 9515664D0
Authority
GB
United Kingdom
Prior art keywords
microphone amplifier
microphone
amplifier
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
GBGB9515664.2A
Other versions
GB2303990B (en
GB2303990A (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.)
Sony Europe Ltd
Original Assignee
Sony United Kingdom Ltd
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 Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Priority to GB9515664A priority Critical patent/GB2303990B/en
Publication of GB9515664D0 publication Critical patent/GB9515664D0/en
Priority to JP17122796A priority patent/JPH0951236A/en
Publication of GB2303990A publication Critical patent/GB2303990A/en
Application granted granted Critical
Publication of GB2303990B publication Critical patent/GB2303990B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB9515664A 1995-07-31 1995-07-31 Microphone amplifier Expired - Fee Related GB2303990B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9515664A GB2303990B (en) 1995-07-31 1995-07-31 Microphone amplifier
JP17122796A JPH0951236A (en) 1995-07-31 1996-07-01 Microphone amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9515664A GB2303990B (en) 1995-07-31 1995-07-31 Microphone amplifier

Publications (3)

Publication Number Publication Date
GB9515664D0 true GB9515664D0 (en) 1995-09-27
GB2303990A GB2303990A (en) 1997-03-05
GB2303990B GB2303990B (en) 1999-05-05

Family

ID=10778536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9515664A Expired - Fee Related GB2303990B (en) 1995-07-31 1995-07-31 Microphone amplifier

Country Status (2)

Country Link
JP (1) JPH0951236A (en)
GB (1) GB2303990B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278377B1 (en) 1999-08-25 2001-08-21 Donnelly Corporation Indicator for vehicle accessory
JP2000165982A (en) * 1998-11-26 2000-06-16 Nec Shizuoka Ltd Small-sized microphone for portable telephone set
CA2436484C (en) 2001-02-14 2008-01-22 Gentex Corporation Vehicle accessory microphone
US7826622B2 (en) 2003-05-27 2010-11-02 Harman International Industries, Incorporated Constant-beamwidth loudspeaker array
US7684574B2 (en) 2003-05-27 2010-03-23 Harman International Industries, Incorporated Reflective loudspeaker array

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04122111A (en) * 1990-09-13 1992-04-22 Rion Co Ltd Preamplifier for capacitor microphone

Also Published As

Publication number Publication date
JPH0951236A (en) 1997-02-18
GB2303990B (en) 1999-05-05
GB2303990A (en) 1997-03-05

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Legal Events

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

Effective date: 20110731