FR1225079A - Loudspeaker and housing for sound amplification devices - Google Patents

Loudspeaker and housing for sound amplification devices

Info

Publication number
FR1225079A
FR1225079A FR786681A FR786681A FR1225079A FR 1225079 A FR1225079 A FR 1225079A FR 786681 A FR786681 A FR 786681A FR 786681 A FR786681 A FR 786681A FR 1225079 A FR1225079 A FR 1225079A
Authority
FR
France
Prior art keywords
loudspeaker
housing
sound amplification
amplification devices
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
FR786681A
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR786681A priority Critical patent/FR1225079A/en
Priority to DE1960C0006873 priority patent/DE1809552U/en
Application granted granted Critical
Publication of FR1225079A publication Critical patent/FR1225079A/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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Volume Flow (AREA)
FR786681A 1959-02-13 1959-02-13 Loudspeaker and housing for sound amplification devices Expired FR1225079A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR786681A FR1225079A (en) 1959-02-13 1959-02-13 Loudspeaker and housing for sound amplification devices
DE1960C0006873 DE1809552U (en) 1959-02-13 1960-01-28 SPEAKER AND HOUSING FOR AMPLIFIER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786681A FR1225079A (en) 1959-02-13 1959-02-13 Loudspeaker and housing for sound amplification devices

Publications (1)

Publication Number Publication Date
FR1225079A true FR1225079A (en) 1960-06-29

Family

ID=8711251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786681A Expired FR1225079A (en) 1959-02-13 1959-02-13 Loudspeaker and housing for sound amplification devices

Country Status (2)

Country Link
DE (1) DE1809552U (en)
FR (1) FR1225079A (en)

Also Published As

Publication number Publication date
DE1809552U (en) 1960-04-14

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