FR719964A - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR719964A
FR719964A FR719964DA FR719964A FR 719964 A FR719964 A FR 719964A FR 719964D A FR719964D A FR 719964DA FR 719964 A FR719964 A FR 719964A
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
English (en)
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.)
Philips North America LLC
Original Assignee
Magnavox Co
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 Magnavox Co filed Critical Magnavox Co
Application granted granted Critical
Publication of FR719964A publication Critical patent/FR719964A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR719964D 1931-05-18 1931-07-10 Perfectionnements aux haut-parleurs Expired FR719964A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US387673XA 1931-05-18 1931-05-18
FR719964T 1931-07-10

Publications (1)

Publication Number Publication Date
FR719964A true FR719964A (fr) 1932-02-18

Family

ID=21901775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719964D Expired FR719964A (fr) 1931-05-18 1931-07-10 Perfectionnements aux haut-parleurs

Country Status (2)

Country Link
FR (1) FR719964A (fr)
GB (1) GB387673A (fr)

Also Published As

Publication number Publication date
GB387673A (en) 1933-02-07

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