GB9112631D0 - Loudspeaker unit - Google Patents

Loudspeaker unit

Info

Publication number
GB9112631D0
GB9112631D0 GB919112631A GB9112631A GB9112631D0 GB 9112631 D0 GB9112631 D0 GB 9112631D0 GB 919112631 A GB919112631 A GB 919112631A GB 9112631 A GB9112631 A GB 9112631A GB 9112631 D0 GB9112631 D0 GB 9112631D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker unit
loudspeaker
unit
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.)
Withdrawn
Application number
GB919112631A
Other versions
GB2256773A (en
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.)
Canon Technology Europe Ltd
Original Assignee
Canon Research Centre Europe Ltd
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 Canon Research Centre Europe Ltd filed Critical Canon Research Centre Europe Ltd
Priority to GB9112631A priority Critical patent/GB2256773A/en
Publication of GB9112631D0 publication Critical patent/GB9112631D0/en
Priority to PCT/GB1992/001030 priority patent/WO1992022990A1/en
Publication of GB2256773A publication Critical patent/GB2256773A/en
Withdrawn legal-status Critical Current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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
GB9112631A 1991-06-12 1991-06-12 Loudspeaker uinit Withdrawn GB2256773A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9112631A GB2256773A (en) 1991-06-12 1991-06-12 Loudspeaker uinit
PCT/GB1992/001030 WO1992022990A1 (en) 1991-06-12 1992-06-09 Stereo loudspeaker unit with audio mirrors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9112631A GB2256773A (en) 1991-06-12 1991-06-12 Loudspeaker uinit

Publications (2)

Publication Number Publication Date
GB9112631D0 true GB9112631D0 (en) 1991-07-31
GB2256773A GB2256773A (en) 1992-12-16

Family

ID=10696529

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9112631A Withdrawn GB2256773A (en) 1991-06-12 1991-06-12 Loudspeaker uinit

Country Status (2)

Country Link
GB (1) GB2256773A (en)
WO (1) WO1992022990A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9408805U1 (en) * 1994-05-30 1994-09-01 Baur Albert Loudspeakers, in particular in the form of columns
SE528998C2 (en) * 2004-05-28 2007-04-03 Lennart Hoeglund Speakers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2085377A7 (en) * 1970-04-15 1971-12-24 Radiotechnique Compelec
IT1086464B (en) * 1977-09-06 1985-05-28 Selmin Sas METHOD AND DEVICES FOR OMNIDIRECTIONAL IRRADIATION OF SOUND WAVES
US4410063A (en) * 1981-03-04 1983-10-18 Onkyo Kabushiki Kaisha Loudspeaker system
JPS603297A (en) * 1983-06-20 1985-01-09 Victor Co Of Japan Ltd Variable directivity speaker for small sized stereo equipment
EP0155266B1 (en) * 1983-09-06 1991-03-20 WOLCOTT, Henry Oliver Loudspeaker structure
US4574906A (en) * 1984-11-15 1986-03-11 Audio Technica U.S., Inc. Outdoor speaker
IT8423959V0 (en) * 1984-11-30 1984-11-30 Fricker Eric Franzini Angelo SPACE-EFFECT SINGLE SPEAKER FOR MUSICAL REPRODUCTION SYSTEMS.
JP2823157B2 (en) * 1986-04-01 1998-11-11 キヤノン株式会社 Audio output system
CH667174A5 (en) * 1986-06-05 1988-09-15 Sound Electronic Systems MONOLITHIC STEREOPHONIC SPEAKER.
US5144670A (en) * 1987-12-09 1992-09-01 Canon Kabushiki Kaisha Sound output system
ES1008181Y (en) * 1988-11-07 1989-09-01 Gadea Veses Javier ACOUSTIC BOX FOR SOUND TRANSDUCTION.
FI81471C (en) * 1988-11-08 1990-10-10 Timo Tarkkonen HOEGTALARE GIVANDE ETT TREDIMENSIONELLT STEREOLJUDINTRYCK.

Also Published As

Publication number Publication date
WO1992022990A1 (en) 1992-12-23
GB2256773A (en) 1992-12-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)