FR817930A - Improvements to t devices. s. f. - Google Patents

Improvements to t devices. s. f.

Info

Publication number
FR817930A
FR817930A FR817930DA FR817930A FR 817930 A FR817930 A FR 817930A FR 817930D A FR817930D A FR 817930DA FR 817930 A FR817930 A FR 817930A
Authority
FR
France
Prior art keywords
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
Charles Henri Long
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 FR817930A publication Critical patent/FR817930A/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
    • H04R1/026—Supports for loudspeaker casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR817930D 1936-05-20 1936-05-20 Improvements to t devices. s. f. Expired FR817930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR817930T 1936-05-20

Publications (1)

Publication Number Publication Date
FR817930A true FR817930A (en) 1937-09-14

Family

ID=9268604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817930D Expired FR817930A (en) 1936-05-20 1936-05-20 Improvements to t devices. s. f.

Country Status (1)

Country Link
FR (1) FR817930A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617573A1 (en) * 1987-07-03 1989-01-06 Berdah William Adjustable and orientable wall bracket device for speaker cabinets with operational point supports

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617573A1 (en) * 1987-07-03 1989-01-06 Berdah William Adjustable and orientable wall bracket device for speaker cabinets with operational point supports

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