FR680916A - Loudspeaker enhancements - Google Patents

Loudspeaker enhancements

Info

Publication number
FR680916A
FR680916A FR680916DA FR680916A FR 680916 A FR680916 A FR 680916A FR 680916D A FR680916D A FR 680916DA FR 680916 A FR680916 A FR 680916A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker 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)
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.)
BRITISH TALKING PICTURES Ltd
Original Assignee
BRITISH TALKING PICTURES Ltd
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 BRITISH TALKING PICTURES Ltd filed Critical BRITISH TALKING PICTURES Ltd
Application granted granted Critical
Publication of FR680916A publication Critical patent/FR680916A/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H04R3/14—Cross-over networks

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR680916D 1929-08-28 1929-08-28 Loudspeaker enhancements Expired FR680916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680916T 1929-08-28

Publications (1)

Publication Number Publication Date
FR680916A true FR680916A (en) 1930-05-07

Family

ID=9022537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680916D Expired FR680916A (en) 1929-08-28 1929-08-28 Loudspeaker enhancements

Country Status (1)

Country Link
FR (1) FR680916A (en)

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