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FR2068810B3 - - Google Patents

Info

Publication number
FR2068810B3
FR2068810B3 FR707035233A FR7035233A FR2068810B3 FR 2068810 B3 FR2068810 B3 FR 2068810B3 FR 707035233 A FR707035233 A FR 707035233A FR 7035233 A FR7035233 A FR 7035233A FR 2068810 B3 FR2068810 B3 FR 2068810B3
Authority
FR
France
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
Application number
FR707035233A
Other versions
FR2068810A7 (fr
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.)
SCOTT Inc
Original Assignee
SCOTT Inc
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 SCOTT Inc filed Critical SCOTT Inc
Application granted granted Critical
Publication of FR2068810A7 publication Critical patent/FR2068810A7/fr
Publication of FR2068810B3 publication Critical patent/FR2068810B3/fr
Expired 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
    • 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
    • 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)
  • Circuit For Audible Band Transducer (AREA)
FR707035233A 1969-12-15 1970-09-29 Expired FR2068810B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88483069A 1969-12-15 1969-12-15

Publications (2)

Publication Number Publication Date
FR2068810A7 FR2068810A7 (fr) 1971-09-03
FR2068810B3 true FR2068810B3 (fr) 1973-08-10

Family

ID=25385503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707035233A Expired FR2068810B3 (fr) 1969-12-15 1970-09-29

Country Status (7)

Country Link
US (1) US3590942A (fr)
AU (1) AU1588270A (fr)
BE (1) BE749737A (fr)
DE (1) DE2045610A1 (fr)
FR (1) FR2068810B3 (fr)
GB (1) GB1269005A (fr)
NL (1) NL7012554A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727004A (en) * 1967-12-04 1973-04-10 Bose Corp Loudspeaker system
USRE31228E (en) * 1967-12-04 1983-05-03 Bose Corporation Loudspeaker system
US3720787A (en) * 1970-03-28 1973-03-13 Victor Company Of Japan Omni-directional globular speaker system
US3818138A (en) * 1971-07-26 1974-06-18 A Sperrazza Barrel shaped speaker enclosure
US3923123A (en) * 1972-11-10 1975-12-02 Latimer Sayer Laurence Sound reproducing apparatus
DE2435944C3 (de) * 1974-07-25 1985-07-18 Poensgen, Karl Otto, 8000 München Hifi-Lautsprecherbox
NL8802488A (nl) * 1988-10-11 1990-05-01 Rob Jurrien Oliemuller Luidsprekerbox.
FR2668015B1 (fr) * 1990-10-16 1993-07-30 Piccfaluga Pierre Procede pour ameliorer la qualite de la restitution d'une ambiance sonore, et appareil de mise en óoeuvre comportant au moins un haut-parleur emettant dans trois directions.
US5268538A (en) * 1991-06-12 1993-12-07 Sonic Systems, Inc. Hemispherically wide-radiating-angle loudspeaker system
US8175304B1 (en) * 2008-02-12 2012-05-08 North Donald J Compact loudspeaker system
US20100246880A1 (en) * 2009-03-30 2010-09-30 Oxford J Craig Method and apparatus for enhanced stimulation of the limbic auditory response
HU229608B1 (en) * 2011-10-04 2014-03-28 Zoltan Bay Loudspeaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298920A (fr) * 1962-10-12
US3268030A (en) * 1965-04-13 1966-08-23 Finn H Magnus Acoustic system
US3393764A (en) * 1966-12-27 1968-07-23 Curtiss R. Schafer Loudspeaker systems

Also Published As

Publication number Publication date
GB1269005A (en) 1972-03-29
AU1588270A (en) 1971-12-09
US3590942A (en) 1971-07-06
DE2045610A1 (de) 1971-06-24
NL7012554A (fr) 1971-06-17
FR2068810A7 (fr) 1971-09-03
BE749737A (fr) 1970-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse