FR629570A - Improvements to sound emitting devices - Google Patents

Improvements to sound emitting devices

Info

Publication number
FR629570A
FR629570A FR629570DA FR629570A FR 629570 A FR629570 A FR 629570A FR 629570D A FR629570D A FR 629570DA FR 629570 A FR629570 A FR 629570A
Authority
FR
France
Prior art keywords
emitting devices
sound emitting
sound
devices
emitting
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
Joseph-Gabriel Caignart
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 FR629570A publication Critical patent/FR629570A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/08Constructional details, e.g. cabinet

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR629570D 1926-05-07 1926-05-07 Improvements to sound emitting devices Expired FR629570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR629570T 1926-05-07

Publications (1)

Publication Number Publication Date
FR629570A true FR629570A (en) 1927-11-14

Family

ID=8990472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR629570D Expired FR629570A (en) 1926-05-07 1926-05-07 Improvements to sound emitting devices

Country Status (1)

Country Link
FR (1) FR629570A (en)

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