BE825962A - IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM - Google Patents

IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM

Info

Publication number
BE825962A
BE825962A BE153723A BE153723A BE825962A BE 825962 A BE825962 A BE 825962A BE 153723 A BE153723 A BE 153723A BE 153723 A BE153723 A BE 153723A BE 825962 A BE825962 A BE 825962A
Authority
BE
Belgium
Prior art keywords
audio
room
frequency speaker
speaker systems
systems intended
Prior art date
Application number
BE153723A
Other languages
French (fr)
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 filed Critical
Publication of BE825962A publication Critical patent/BE825962A/en

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BE153723A 1974-03-01 1975-02-25 IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM BE825962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44706574A 1974-03-01 1974-03-01

Publications (1)

Publication Number Publication Date
BE825962A true BE825962A (en) 1975-06-16

Family

ID=23774870

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153723A BE825962A (en) 1974-03-01 1975-02-25 IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM

Country Status (10)

Country Link
JP (1) JPS601798B2 (en)
BE (1) BE825962A (en)
CA (1) CA1012895A (en)
CH (1) CH591198A5 (en)
DE (1) DE2507377A1 (en)
ES (1) ES435177A1 (en)
FR (1) FR2262893B1 (en)
GB (1) GB1500199A (en)
IT (1) IT1030246B (en)
NL (1) NL7502223A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104113800A (en) * 2014-07-25 2014-10-22 无锡杰夫电声有限公司 Dumbbell reverse-phase sound box with high pitch compensation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144475U (en) * 1979-04-02 1980-10-16
CN103796129A (en) * 2012-11-05 2014-05-14 曾山 Coaxial-line array sound box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104113800A (en) * 2014-07-25 2014-10-22 无锡杰夫电声有限公司 Dumbbell reverse-phase sound box with high pitch compensation

Also Published As

Publication number Publication date
GB1500199A (en) 1978-02-08
FR2262893A1 (en) 1975-09-26
DE2507377A1 (en) 1975-09-04
CA1012895A (en) 1977-06-28
FR2262893B1 (en) 1982-10-01
JPS50122925A (en) 1975-09-26
ES435177A1 (en) 1976-12-01
CH591198A5 (en) 1977-09-15
AU7827275A (en) 1976-08-19
JPS601798B2 (en) 1985-01-17
IT1030246B (en) 1979-03-30
NL7502223A (en) 1975-09-03

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ALLISON ACOUSTICS INC.

Effective date: 19870228