GB2282022B - Filters - Google Patents

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Publication number
GB2282022B
GB2282022B GB9418961A GB9418961A GB2282022B GB 2282022 B GB2282022 B GB 2282022B GB 9418961 A GB9418961 A GB 9418961A GB 9418961 A GB9418961 A GB 9418961A GB 2282022 B GB2282022 B GB 2282022B
Authority
GB
United Kingdom
Prior art keywords
filters
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
GB9418961A
Other versions
GB2282022A (en
GB9418961D0 (en
Inventor
Mohammed Akhtar
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
Application filed by Individual filed Critical Individual
Publication of GB9418961D0 publication Critical patent/GB9418961D0/en
Publication of GB2282022A publication Critical patent/GB2282022A/en
Application granted granted Critical
Publication of GB2282022B publication Critical patent/GB2282022B/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)
GB9418961A 1993-09-21 1994-09-21 Filters Expired - Fee Related GB2282022B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939319433A GB9319433D0 (en) 1993-09-21 1993-09-21 Filters

Publications (3)

Publication Number Publication Date
GB9418961D0 GB9418961D0 (en) 1994-11-09
GB2282022A GB2282022A (en) 1995-03-22
GB2282022B true GB2282022B (en) 1997-02-05

Family

ID=10742262

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939319433A Pending GB9319433D0 (en) 1993-09-21 1993-09-21 Filters
GB9418961A Expired - Fee Related GB2282022B (en) 1993-09-21 1994-09-21 Filters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939319433A Pending GB9319433D0 (en) 1993-09-21 1993-09-21 Filters

Country Status (1)

Country Link
GB (2) GB9319433D0 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046388A1 (en) * 1980-08-15 1982-02-24 Celestion International Limited Multi-way loudspeaker system
EP0485010A1 (en) * 1990-11-08 1992-05-13 SONUS FABER S.r.l. A filtering device for high frequency loudspeakers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046388A1 (en) * 1980-08-15 1982-02-24 Celestion International Limited Multi-way loudspeaker system
EP0485010A1 (en) * 1990-11-08 1992-05-13 SONUS FABER S.r.l. A filtering device for high frequency loudspeakers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M. Colloms, "High Performance Loudspeakers, 3rd Edn., 1985, Pentech Press pages 164-171 esp. fig 6.5 *

Also Published As

Publication number Publication date
GB2282022A (en) 1995-03-22
GB9418961D0 (en) 1994-11-09
GB9319433D0 (en) 1993-11-03

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Legal Events

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

Effective date: 19980921