AU3289399A - Apparatus for improved amplification of audio signals - Google Patents

Apparatus for improved amplification of audio signals

Info

Publication number
AU3289399A
AU3289399A AU32893/99A AU3289399A AU3289399A AU 3289399 A AU3289399 A AU 3289399A AU 32893/99 A AU32893/99 A AU 32893/99A AU 3289399 A AU3289399 A AU 3289399A AU 3289399 A AU3289399 A AU 3289399A
Authority
AU
Australia
Prior art keywords
audio signals
improved amplification
amplification
improved
audio
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.)
Abandoned
Application number
AU32893/99A
Inventor
Roger V. Paul
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.)
ROGER V PAUL
Original Assignee
ROGER V PAUL
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 ROGER V PAUL filed Critical ROGER V PAUL
Publication of AU3289399A publication Critical patent/AU3289399A/en
Abandoned 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
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • H03F3/085—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light using opto-couplers between stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU32893/99A 1998-02-12 1999-02-12 Apparatus for improved amplification of audio signals Abandoned AU3289399A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US7455398P 1998-02-12 1998-02-12
US60074553 1998-02-12
US24854099A 1999-02-11 1999-02-11
US09248540 1999-02-11
PCT/US1999/002968 WO1999041831A1 (en) 1998-02-12 1999-02-12 Apparatus for improved amplification of audio signals

Publications (1)

Publication Number Publication Date
AU3289399A true AU3289399A (en) 1999-08-30

Family

ID=26755791

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32893/99A Abandoned AU3289399A (en) 1998-02-12 1999-02-12 Apparatus for improved amplification of audio signals

Country Status (2)

Country Link
AU (1) AU3289399A (en)
WO (1) WO1999041831A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006249225B2 (en) * 2006-12-06 2010-05-27 Keng-Kuei Su Audio reproduction apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0728473B2 (en) * 1988-05-06 1995-03-29 ヤマハ株式会社 Impedance compensation circuit
DE59209222D1 (en) * 1992-05-12 1998-04-09 Nokia Deutschland Gmbh TRANSMISSION ARRANGEMENT FOR TRANSMITTING A USE SIGNAL MODULATED ON A CARRIER VIBRATION

Also Published As

Publication number Publication date
WO1999041831A1 (en) 1999-08-19

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase