GB2309352B - A reversed phase audio frequency dividing circuit - Google Patents
A reversed phase audio frequency dividing circuitInfo
- Publication number
- GB2309352B GB2309352B GB9601163A GB9601163A GB2309352B GB 2309352 B GB2309352 B GB 2309352B GB 9601163 A GB9601163 A GB 9601163A GB 9601163 A GB9601163 A GB 9601163A GB 2309352 B GB2309352 B GB 2309352B
- Authority
- GB
- United Kingdom
- Prior art keywords
- audio frequency
- dividing circuit
- frequency dividing
- reversed phase
- phase 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95220151U CN2234165Y (en) | 1995-08-28 | 1995-08-28 | Reversed-phase voise-frequency filter circuit for audio-system |
GB9601163A GB2309352B (en) | 1995-08-28 | 1996-01-20 | A reversed phase audio frequency dividing circuit |
CA002183385A CA2183385A1 (en) | 1995-08-28 | 1996-08-15 | Reversed phase audio frequency dividing circuit |
DK089496A DK89496A (en) | 1995-08-28 | 1996-08-26 | Tone Frequency divider |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95220151U CN2234165Y (en) | 1995-08-28 | 1995-08-28 | Reversed-phase voise-frequency filter circuit for audio-system |
GB9601163A GB2309352B (en) | 1995-08-28 | 1996-01-20 | A reversed phase audio frequency dividing circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9601163D0 GB9601163D0 (en) | 1996-03-20 |
GB2309352A GB2309352A (en) | 1997-07-23 |
GB2309352B true GB2309352B (en) | 1999-12-29 |
Family
ID=25743878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9601163A Expired - Fee Related GB2309352B (en) | 1995-08-28 | 1996-01-20 | A reversed phase audio frequency dividing circuit |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN2234165Y (en) |
CA (1) | CA2183385A1 (en) |
DK (1) | DK89496A (en) |
GB (1) | GB2309352B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838216A (en) * | 1972-02-23 | 1974-09-24 | W Watkins | Device to effectively eliminate the motion induced back emf in a loudspeaker system in the region of fundamental acoustic resonance |
EP0150976A2 (en) * | 1984-01-27 | 1985-08-07 | Lawrence E. Arntson | Soundstage boundary expansion system |
EP0435337A2 (en) * | 1989-12-29 | 1991-07-03 | Yamaha Corporation | Acoustic apparatus |
US5117459A (en) * | 1990-05-03 | 1992-05-26 | Chicago Steel Rule Die & Fabricators Co. | Ambient imaging loudspeaker system |
US5212732A (en) * | 1992-03-05 | 1993-05-18 | Lancer Electronics | Effects speaker system |
-
1995
- 1995-08-28 CN CN95220151U patent/CN2234165Y/en not_active Expired - Fee Related
-
1996
- 1996-01-20 GB GB9601163A patent/GB2309352B/en not_active Expired - Fee Related
- 1996-08-15 CA CA002183385A patent/CA2183385A1/en not_active Abandoned
- 1996-08-26 DK DK089496A patent/DK89496A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838216A (en) * | 1972-02-23 | 1974-09-24 | W Watkins | Device to effectively eliminate the motion induced back emf in a loudspeaker system in the region of fundamental acoustic resonance |
EP0150976A2 (en) * | 1984-01-27 | 1985-08-07 | Lawrence E. Arntson | Soundstage boundary expansion system |
EP0435337A2 (en) * | 1989-12-29 | 1991-07-03 | Yamaha Corporation | Acoustic apparatus |
US5117459A (en) * | 1990-05-03 | 1992-05-26 | Chicago Steel Rule Die & Fabricators Co. | Ambient imaging loudspeaker system |
US5212732A (en) * | 1992-03-05 | 1993-05-18 | Lancer Electronics | Effects speaker system |
Also Published As
Publication number | Publication date |
---|---|
CA2183385A1 (en) | 1997-03-01 |
CN2234165Y (en) | 1996-08-28 |
GB9601163D0 (en) | 1996-03-20 |
GB2309352A (en) | 1997-07-23 |
DK89496A (en) | 1997-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2290917B (en) | A tuning circuit | |
AU6836794A (en) | Digital frequency synthesizer | |
EP0727877A3 (en) | Fast frequency switching synthesizer | |
GB2294599B (en) | A frequency synthesiser | |
GB2317279B (en) | Frequency synthesisers | |
GB9616062D0 (en) | Frequency synthesizer | |
GB9520124D0 (en) | Audio synthesizer | |
NO963235D0 (en) | A frequency synthesizer | |
AU4634496A (en) | Frequency synthesizer | |
AU7356494A (en) | Direct digital frequency synthesizer | |
GB2301718B (en) | PLL circuit | |
DE69720536D1 (en) | Audio a/d-wandler mit frequenzmodulation | |
AU693863B2 (en) | PLL frequency synthesizer | |
EP0824786A4 (en) | Audio crossover circuit | |
HK1008275A1 (en) | Tuning circuit | |
AU3642997A (en) | A transistor based frequency multiplier | |
GB2305558B (en) | Digital frequency control circuit phase control circuit and PLL circuit | |
IL119857A0 (en) | Digital frequency divider phase shifter | |
GB2308760B (en) | Frequency generator | |
GB2309352B (en) | A reversed phase audio frequency dividing circuit | |
HK1008274A1 (en) | Tuning circuit | |
GB2288931B (en) | Frequency synthesizer | |
AU7021296A (en) | Frequency synthesizer | |
GB9523518D0 (en) | Frequency synthesiser | |
GB2323467B (en) | Frequency synthesizer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020120 |