GB2309352B - A reversed phase audio frequency dividing circuit - Google Patents

A reversed phase audio frequency dividing circuit

Info

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
Application number
GB9601163A
Other versions
GB9601163D0 (en
GB2309352A (en
Inventor
Kuang Chih Hsu
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.)
Individual
Original Assignee
Individual
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
Priority to CN95220151U priority Critical patent/CN2234165Y/en
Application filed by Individual filed Critical Individual
Priority to GB9601163A priority patent/GB2309352B/en
Publication of GB9601163D0 publication Critical patent/GB9601163D0/en
Priority to CA002183385A priority patent/CA2183385A1/en
Priority to DK089496A priority patent/DK89496A/en
Publication of GB2309352A publication Critical patent/GB2309352A/en
Application granted granted Critical
Publication of GB2309352B publication Critical patent/GB2309352B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB9601163A 1995-08-28 1996-01-20 A reversed phase audio frequency dividing circuit Expired - Fee Related GB2309352B (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
CN2234165Y (en) 1996-08-28
GB9601163D0 (en) 1996-03-20
DK89496A (en) 1997-03-01
CA2183385A1 (en) 1997-03-01
GB2309352A (en) 1997-07-23

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Legal Events

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

Effective date: 20020120