AU3289399A - Apparatus for improved amplification of audio signals - Google Patents
Apparatus for improved amplification of audio signalsInfo
- 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
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)
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)
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)
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 |
EP0640265B1 (en) * | 1992-05-12 | 1998-03-04 | Nokia (Deutschland) GmbH | Transmission device for transmitting a wanted signal modulated on a carrier |
-
1999
- 1999-02-12 WO PCT/US1999/002968 patent/WO1999041831A1/en active Application Filing
- 1999-02-12 AU AU32893/99A patent/AU3289399A/en not_active Abandoned
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 |