FR73899E - Speaker device - Google Patents

Speaker device

Info

Publication number
FR73899E
FR73899E FR771501A FR771501A FR73899E FR 73899 E FR73899 E FR 73899E FR 771501 A FR771501 A FR 771501A FR 771501 A FR771501 A FR 771501A FR 73899 E FR73899 E FR 73899E
Authority
FR
France
Prior art keywords
speaker device
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.)
Expired
Application number
FR771501A
Other languages
French (fr)
Inventor
Marcel-Alphonse Dodinet
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.)
APPLIC TECH ET IND SOC D
Original Assignee
APPLIC TECH ET IND SOC D
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
Priority to FR1196858D priority Critical patent/FR1196858A/en
Application filed by APPLIC TECH ET IND SOC D filed Critical APPLIC TECH ET IND SOC D
Priority to FR771501A priority patent/FR73899E/en
Priority to BE571726A priority patent/BE571726A/xx
Application granted granted Critical
Publication of FR73899E publication Critical patent/FR73899E/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2892—Mountings or supports for transducers
    • H04R1/2896—Mountings or supports for transducers for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR771501A 1958-07-30 1958-07-30 Speaker device Expired FR73899E (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1196858D FR1196858A (en) 1958-07-30 1957-10-07 Speaker device
FR771501A FR73899E (en) 1958-07-30 1958-07-30 Speaker device
BE571726A BE571726A (en) 1958-07-30 1958-10-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR771501A FR73899E (en) 1958-07-30 1958-07-30 Speaker device

Publications (1)

Publication Number Publication Date
FR73899E true FR73899E (en) 1960-09-12

Family

ID=8707130

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1196858D Expired FR1196858A (en) 1958-07-30 1957-10-07 Speaker device
FR771501A Expired FR73899E (en) 1958-07-30 1958-07-30 Speaker device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1196858D Expired FR1196858A (en) 1958-07-30 1957-10-07 Speaker device

Country Status (2)

Country Link
BE (1) BE571726A (en)
FR (2) FR1196858A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074503A (en) * 1961-01-19 1963-01-22 Jr Barry Cool Loud speaker enclosures

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393764A (en) * 1966-12-27 1968-07-23 Curtiss R. Schafer Loudspeaker systems
DE2725346C3 (en) * 1977-06-04 1981-05-14 Josef Wilhelm 8725 Arnstein Manger speaker
US4501934A (en) * 1983-07-18 1985-02-26 W2 Vehicle Design And Development Loudspeaker system
DE3918654A1 (en) * 1989-06-08 1990-12-13 Manfred Dipl Ing Diestertich Loudspeaker with filter circuit between separately driven coils - has two moving coils rigidly coupled together in air gap of driver transducer connected to amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074503A (en) * 1961-01-19 1963-01-22 Jr Barry Cool Loud speaker enclosures

Also Published As

Publication number Publication date
BE571726A (en) 1959-04-03
FR1196858A (en) 1959-11-26

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