FR55121E - Improvements made to t.s.f. - Google Patents

Improvements made to t.s.f.

Info

Publication number
FR55121E
FR55121E FR55121DA FR55121E FR 55121 E FR55121 E FR 55121E FR 55121D A FR55121D A FR 55121DA FR 55121 E FR55121 E FR 55121E
Authority
FR
France
Prior art keywords
improvements made
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
Rene Merle
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 FR55121E publication Critical patent/FR55121E/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)
FR55121D 1946-12-11 1946-12-11 Improvements made to t.s.f. Expired FR55121E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR55121X 1946-12-11

Publications (1)

Publication Number Publication Date
FR55121E true FR55121E (en) 1951-06-06

Family

ID=32669129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR55121D Expired FR55121E (en) 1946-12-11 1946-12-11 Improvements made to t.s.f.

Country Status (1)

Country Link
FR (1) FR55121E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117487A1 (en) * 1983-02-22 1984-09-05 Deutsche Thomson-Brandt GmbH Television apparatus with an internal bass speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117487A1 (en) * 1983-02-22 1984-09-05 Deutsche Thomson-Brandt GmbH Television apparatus with an internal bass speaker

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