GB2303991B - Microphone amplifier with phantom power - Google Patents

Microphone amplifier with phantom power

Info

Publication number
GB2303991B
GB2303991B GB9515684A GB9515684A GB2303991B GB 2303991 B GB2303991 B GB 2303991B GB 9515684 A GB9515684 A GB 9515684A GB 9515684 A GB9515684 A GB 9515684A GB 2303991 B GB2303991 B GB 2303991B
Authority
GB
United Kingdom
Prior art keywords
microphone amplifier
phantom power
phantom
power
microphone
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
GB9515684A
Other versions
GB2303991A (en
GB9515684D0 (en
Inventor
Paul Anthony Frindle
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 GB9515684A priority Critical patent/GB2303991B/en
Publication of GB9515684D0 publication Critical patent/GB9515684D0/en
Priority to JP17233896A priority patent/JPH0951237A/en
Publication of GB2303991A publication Critical patent/GB2303991A/en
Application granted granted Critical
Publication of GB2303991B publication Critical patent/GB2303991B/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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • 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
GB9515684A 1995-07-31 1995-07-31 Microphone amplifier with phantom power Expired - Fee Related GB2303991B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9515684A GB2303991B (en) 1995-07-31 1995-07-31 Microphone amplifier with phantom power
JP17233896A JPH0951237A (en) 1995-07-31 1996-07-02 Microphone amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9515684A GB2303991B (en) 1995-07-31 1995-07-31 Microphone amplifier with phantom power

Publications (3)

Publication Number Publication Date
GB9515684D0 GB9515684D0 (en) 1995-09-27
GB2303991A GB2303991A (en) 1997-03-05
GB2303991B true GB2303991B (en) 1998-12-23

Family

ID=10778541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9515684A Expired - Fee Related GB2303991B (en) 1995-07-31 1995-07-31 Microphone amplifier with phantom power

Country Status (2)

Country Link
JP (1) JPH0951237A (en)
GB (1) GB2303991B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL142142A (en) * 2001-03-20 2005-08-31 Phone Or Ltd Phantom power optical microphone system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079110A (en) * 1980-06-20 1982-01-13 Sony Corp Microphone arrangements
EP0055650A1 (en) * 1980-12-31 1982-07-07 Thomson-Csf Telephone Circuit for connecting an active microphone, in particular with an electret, to a telephone transmission circuit
EP0486332A1 (en) * 1990-10-05 1992-05-20 Texas Instruments France Operational amplifier
US5300896A (en) * 1992-10-16 1994-04-05 Suesserman Michael F Bootstrapped, AC-coupled differential amplifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079110A (en) * 1980-06-20 1982-01-13 Sony Corp Microphone arrangements
EP0055650A1 (en) * 1980-12-31 1982-07-07 Thomson-Csf Telephone Circuit for connecting an active microphone, in particular with an electret, to a telephone transmission circuit
EP0486332A1 (en) * 1990-10-05 1992-05-20 Texas Instruments France Operational amplifier
US5300896A (en) * 1992-10-16 1994-04-05 Suesserman Michael F Bootstrapped, AC-coupled differential amplifier

Also Published As

Publication number Publication date
JPH0951237A (en) 1997-02-18
GB2303991A (en) 1997-03-05
GB9515684D0 (en) 1995-09-27

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Legal Events

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

Effective date: 20110731