FR1077151A - Enhancements to Loudspeaker Devices - Google Patents

Enhancements to Loudspeaker Devices

Info

Publication number
FR1077151A
FR1077151A FR1077151DA FR1077151A FR 1077151 A FR1077151 A FR 1077151A FR 1077151D A FR1077151D A FR 1077151DA FR 1077151 A FR1077151 A FR 1077151A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker devices
loudspeaker
devices
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
Application number
Other languages
French (fr)
Inventor
Andre Georgin
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
Application granted granted Critical
Publication of FR1077151A publication Critical patent/FR1077151A/en
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
    • 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)
FR1077151D 1953-03-25 1953-03-25 Enhancements to Loudspeaker Devices Expired FR1077151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1077151T 1953-03-25

Publications (1)

Publication Number Publication Date
FR1077151A true FR1077151A (en) 1954-11-04

Family

ID=9608037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077151D Expired FR1077151A (en) 1953-03-25 1953-03-25 Enhancements to Loudspeaker Devices

Country Status (1)

Country Link
FR (1) FR1077151A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962544A (en) * 1973-12-28 1976-06-08 Sansui Electric Co., Ltd. Sound reproducing devices
US4163877A (en) * 1978-01-11 1979-08-07 Schonstedt Instrument Company Housing for circuitry and loudspeaker of a magnetic locator shields and resiliently mounts the loudspeaker
US4230905A (en) * 1978-08-18 1980-10-28 Crum Ronald J Stereophonic system with discrete bass channels
US4348549A (en) * 1978-02-06 1982-09-07 Emmanuel Berlant Loudspeaker system
FR2582178A1 (en) * 1985-04-18 1986-11-21 Marechal Richard Omnidirectional acoustic enclosure having, at constant output, a response over a wide band of audio frequencies
FR2628924A1 (en) * 1988-03-15 1989-09-22 Baranes Roger High fidelity loudspeaker universal acoustic enclosure - enables several loudspeakers of different dimensions to be mounted at three different angles WRT each other
WO1995028064A1 (en) * 1994-04-12 1995-10-19 Indrek Hilpus A loudspeaker
US5673329A (en) * 1995-03-23 1997-09-30 Wiener; David Omni-directional loudspeaker system
US5988314A (en) * 1987-12-09 1999-11-23 Canon Kabushiki Kaisha Sound output system
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962544A (en) * 1973-12-28 1976-06-08 Sansui Electric Co., Ltd. Sound reproducing devices
US4163877A (en) * 1978-01-11 1979-08-07 Schonstedt Instrument Company Housing for circuitry and loudspeaker of a magnetic locator shields and resiliently mounts the loudspeaker
US4348549A (en) * 1978-02-06 1982-09-07 Emmanuel Berlant Loudspeaker system
US4230905A (en) * 1978-08-18 1980-10-28 Crum Ronald J Stereophonic system with discrete bass channels
FR2582178A1 (en) * 1985-04-18 1986-11-21 Marechal Richard Omnidirectional acoustic enclosure having, at constant output, a response over a wide band of audio frequencies
US5988314A (en) * 1987-12-09 1999-11-23 Canon Kabushiki Kaisha Sound output system
FR2628924A1 (en) * 1988-03-15 1989-09-22 Baranes Roger High fidelity loudspeaker universal acoustic enclosure - enables several loudspeakers of different dimensions to be mounted at three different angles WRT each other
WO1995028064A1 (en) * 1994-04-12 1995-10-19 Indrek Hilpus A loudspeaker
US5673329A (en) * 1995-03-23 1997-09-30 Wiener; David Omni-directional loudspeaker system
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

Similar Documents

Publication Publication Date Title
FR1080713A (en) Improvements to fluidification devices
FR1136465A (en) Improvements to proximity devices
FR1103816A (en) Improvements to calibration devices
FR1077151A (en) Enhancements to Loudspeaker Devices
FR1085458A (en) Improvements to combustion devices
FR67265E (en) Improvements to electrical connection devices
FR1112389A (en) Bra enhancements
FR1107571A (en) Improvements to electrical connection devices
FR1078728A (en) Improvements to transport devices
FR1078564A (en) Improvements to oleopneumatic devices
FR1095647A (en) Improvements to power steering devices
FR1113765A (en) Improvements to connection devices
FR1096638A (en) Improvements to electrical connection devices
FR1073701A (en) Improvements to threading devices
FR1085042A (en) Improvements to radio-navigation devices
FR1087836A (en) Improvements to magnetic speaking devices
FR1084728A (en) Improvements to locking devices
FR1113034A (en) Improvements to clamping devices
FR1089757A (en) Improvements to blasting devices
FR1095390A (en) Loudspeaker enhancements
FR1086899A (en) Improvements to filter devices
FR1085823A (en) Improvements to panoramic representation devices
FR1142072A (en) Loudspeaker devices enhancements
FR1096566A (en) Improvements to molding devices
FR1077985A (en) Improvements to extinguishing devices