FR2274191A1 - ACOUSTIC SPEAKER WITH REFLECTORS - Google Patents

ACOUSTIC SPEAKER WITH REFLECTORS

Info

Publication number
FR2274191A1
FR2274191A1 FR7419966A FR7419966A FR2274191A1 FR 2274191 A1 FR2274191 A1 FR 2274191A1 FR 7419966 A FR7419966 A FR 7419966A FR 7419966 A FR7419966 A FR 7419966A FR 2274191 A1 FR2274191 A1 FR 2274191A1
Authority
FR
France
Prior art keywords
reflectors
acoustic speaker
acoustic
speaker
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Withdrawn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
FR7419966A
Other languages
French (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.)
WESTLUND JAMES
Original Assignee
WESTLUND JAMES
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 WESTLUND JAMES filed Critical WESTLUND JAMES
Publication of FR2274191A1 publication Critical patent/FR2274191A1/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Withdrawn legal-status Critical Current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
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR7419966A 1973-01-22 1974-06-10 ACOUSTIC SPEAKER WITH REFLECTORS Withdrawn FR2274191A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00325537A US3819005A (en) 1973-01-22 1973-01-22 Loudspeaker cabinet with sound reflectors

Publications (1)

Publication Number Publication Date
FR2274191A1 true FR2274191A1 (en) 1976-01-02

Family

ID=23268307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419966A Withdrawn FR2274191A1 (en) 1973-01-22 1974-06-10 ACOUSTIC SPEAKER WITH REFLECTORS

Country Status (4)

Country Link
US (1) US3819005A (en)
DE (1) DE2426666A1 (en)
FR (1) FR2274191A1 (en)
GB (1) GB1472963A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281738A (en) * 1978-04-17 1981-08-04 Michael Jackson Spherical loudspeaker enclosure
US4474258A (en) * 1982-01-11 1984-10-02 Westlund James R Loudspeaker enclosure and waveform energy reflector
JP2823157B2 (en) * 1986-04-01 1998-11-11 キヤノン株式会社 Audio output system
JPH0724439B2 (en) * 1986-09-13 1995-03-15 シャープ株式会社 Audio equipment
US5173942A (en) * 1986-09-13 1992-12-22 Sharp Kabushiki Kaisha Audio system operable in directional and non-directional modes
US4967872A (en) * 1989-06-19 1990-11-06 F. H. Hart Engineering Co., Inc. Loud speaker system
FR2671445B1 (en) * 1991-01-04 1995-07-28 Majorcom OMNIDIRECTIONAL SOUND SYSTEM.
US5268538A (en) * 1991-06-12 1993-12-07 Sonic Systems, Inc. Hemispherically wide-radiating-angle loudspeaker system
US5306880A (en) * 1991-06-25 1994-04-26 Eclipse Research Corporation Omnidirectional speaker system
US5451726A (en) * 1991-06-25 1995-09-19 Eclipse Research Corporation Omnidirectional speaker system
US5710395A (en) * 1995-03-28 1998-01-20 Wilke; Paul Helmholtz resonator loudspeaker
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5764783A (en) * 1996-01-16 1998-06-09 Technology Licensing Company Variable beamwidth transducer
US5793001A (en) * 1996-01-16 1998-08-11 Technology Licensing Company Synchronized multiple transducer system
US5616892A (en) * 1996-01-16 1997-04-01 Technology Licensing Company Virtual imaging multiple transducer system
GB2322727A (en) * 1997-02-27 1998-09-02 Fulleon Ltd Sounder device
DE19901866B4 (en) * 1999-01-19 2004-03-18 Rudolf Mechow Sound body with a ball sound source
US20070269074A1 (en) * 2006-05-16 2007-11-22 Mitek Corp., Inc. Omni-Directional Speaker Lamp
DE102007019450A1 (en) * 2007-04-10 2008-10-16 Michael Schwahn Omnidirectional radiating and receiving horn has two volume bodies mounted one above other at distance from each other, where lower volume body has tubular horn neck
RU2467500C2 (en) * 2009-12-31 2012-11-20 Зао "Сатурн Хай-Тек" Acoustic system with adjustable beam pattern
US9621983B1 (en) * 2016-09-22 2017-04-11 Nima Saati 100 to 150 output wattage, 360 degree surround sound, low frequency speaker, portable wireless bluetooth compatible system
DE102017010754B3 (en) 2017-11-21 2019-04-25 Bernd Marsch Speaker enclosure
USD980184S1 (en) * 2020-12-23 2023-03-07 Lg Electronics Inc. Speaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB653263A (en) * 1947-10-30 1951-05-09 C M C Switchmatic Ltd Improvements in mountings for loudspeakers
US3026955A (en) * 1956-08-23 1962-03-27 Howard L Wilber Spherical loudspeaker enclosure
US3326321A (en) * 1966-04-04 1967-06-20 John T Valuch Speaker system
US3500953A (en) * 1968-12-04 1970-03-17 Uolevi L Lahti Loudspeaker system

Also Published As

Publication number Publication date
DE2426666A1 (en) 1975-12-11
US3819005A (en) 1974-06-25
GB1472963A (en) 1977-05-11

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Legal Events

Date Code Title Description
CL Concession to grant licences
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse