GB2240689B - An improved three speaker stereo sound system - Google Patents
An improved three speaker stereo sound systemInfo
- Publication number
- GB2240689B GB2240689B GB9024206A GB9024206A GB2240689B GB 2240689 B GB2240689 B GB 2240689B GB 9024206 A GB9024206 A GB 9024206A GB 9024206 A GB9024206 A GB 9024206A GB 2240689 B GB2240689 B GB 2240689B
- Authority
- GB
- United Kingdom
- Prior art keywords
- improved
- sound system
- stereo sound
- speaker stereo
- speaker
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04R5/02—Spatial or constructional arrangements of loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898925156A GB8925156D0 (en) | 1989-11-07 | 1989-11-07 | A three speaker stereo sound system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9024206D0 GB9024206D0 (en) | 1990-12-19 |
GB2240689A GB2240689A (en) | 1991-08-07 |
GB2240689B true GB2240689B (en) | 1994-06-08 |
Family
ID=10665890
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898925156A Pending GB8925156D0 (en) | 1989-11-07 | 1989-11-07 | A three speaker stereo sound system |
GB9024206A Expired - Fee Related GB2240689B (en) | 1989-11-07 | 1990-11-07 | An improved three speaker stereo sound system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898925156A Pending GB8925156D0 (en) | 1989-11-07 | 1989-11-07 | A three speaker stereo sound system |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8925156D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9506263D0 (en) * | 1995-03-28 | 1995-05-17 | Sse Hire Limited | Loudspeaker system |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947635A (en) * | 1973-09-12 | 1976-03-30 | Frankman Charles W | Integrated stereo speaker system |
GB2016863A (en) * | 1978-03-16 | 1979-09-26 | Akg Akustische Kino Geraete | Loudspeaker arrangement |
EP0009116A1 (en) * | 1978-08-14 | 1980-04-02 | René Dr. Pomeranz | Device and method for the electroacoustic reproduction of sound by earphones, as well as a device for transmitting sound vibrations to the human body |
GB2082418A (en) * | 1980-08-15 | 1982-03-03 | Rola Celestion Ltd | Multi-way loudspeaker system |
US4443889A (en) * | 1980-04-21 | 1984-04-17 | Nortech Laboratories Ltd. | Acoustic apparatus and method |
US4452333A (en) * | 1982-05-28 | 1984-06-05 | Peavey Electronics Corp. | Speaker system |
US4612663A (en) * | 1984-03-26 | 1986-09-16 | Holbrook Kyle A | Multichannel audio reproduction system |
US4615043A (en) * | 1984-12-24 | 1986-09-30 | Don Latshaw | Triphonic sound system |
US4841573A (en) * | 1987-08-31 | 1989-06-20 | Yamaha Corporation | Stereophonic signal processing circuit |
-
1989
- 1989-11-07 GB GB898925156A patent/GB8925156D0/en active Pending
-
1990
- 1990-11-07 GB GB9024206A patent/GB2240689B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947635A (en) * | 1973-09-12 | 1976-03-30 | Frankman Charles W | Integrated stereo speaker system |
GB2016863A (en) * | 1978-03-16 | 1979-09-26 | Akg Akustische Kino Geraete | Loudspeaker arrangement |
EP0009116A1 (en) * | 1978-08-14 | 1980-04-02 | René Dr. Pomeranz | Device and method for the electroacoustic reproduction of sound by earphones, as well as a device for transmitting sound vibrations to the human body |
US4443889A (en) * | 1980-04-21 | 1984-04-17 | Nortech Laboratories Ltd. | Acoustic apparatus and method |
GB2082418A (en) * | 1980-08-15 | 1982-03-03 | Rola Celestion Ltd | Multi-way loudspeaker system |
US4452333A (en) * | 1982-05-28 | 1984-06-05 | Peavey Electronics Corp. | Speaker system |
US4612663A (en) * | 1984-03-26 | 1986-09-16 | Holbrook Kyle A | Multichannel audio reproduction system |
US4615043A (en) * | 1984-12-24 | 1986-09-30 | Don Latshaw | Triphonic sound system |
US4841573A (en) * | 1987-08-31 | 1989-06-20 | Yamaha Corporation | Stereophonic signal processing circuit |
Non-Patent Citations (4)
Title |
---|
EBU Review - Technical, No.241-242, June/August 1990, pages 3 to 24 * |
J. Audio Eng. Soc., Vol.35 No.7/8, July/August 1987, pages 536 to 549 * |
SMPTE Journal, August 1983, pages 843 to 848 * |
Wireless World, November 1974, pages 443 to 448 * |
Also Published As
Publication number | Publication date |
---|---|
GB8925156D0 (en) | 1989-12-28 |
GB2240689A (en) | 1991-08-07 |
GB9024206D0 (en) | 1990-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 19950918 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19991107 |