FR620656A - Speaker enhancements for t. s. f. - Google Patents

Speaker enhancements for t. s. f.

Info

Publication number
FR620656A
FR620656A FR620656DA FR620656A FR 620656 A FR620656 A FR 620656A FR 620656D A FR620656D A FR 620656DA FR 620656 A FR620656 A FR 620656A
Authority
FR
France
Prior art keywords
enhancements
speaker
speaker enhancements
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
Felipe Saldana
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 FR620656A publication Critical patent/FR620656A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR620656D 1925-12-17 1925-12-17 Speaker enhancements for t. s. f. Expired FR620656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR620656T 1925-12-17

Publications (1)

Publication Number Publication Date
FR620656A true FR620656A (en) 1927-04-27

Family

ID=8984538

Family Applications (2)

Application Number Title Priority Date Filing Date
FR34520D Expired FR34520E (en) 1925-12-17
FR620656D Expired FR620656A (en) 1925-12-17 1925-12-17 Speaker enhancements for t. s. f.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR34520D Expired FR34520E (en) 1925-12-17

Country Status (2)

Country Link
BE (1) BE338802A (en)
FR (2) FR620656A (en)

Also Published As

Publication number Publication date
BE338802A (en)
FR34520E (en) 1929-09-12

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