FR927517A - Method and device for selecting sound frequencies - Google Patents

Method and device for selecting sound frequencies

Info

Publication number
FR927517A
FR927517A FR927517DA FR927517A FR 927517 A FR927517 A FR 927517A FR 927517D A FR927517D A FR 927517DA FR 927517 A FR927517 A FR 927517A
Authority
FR
France
Prior art keywords
sound frequencies
selecting sound
selecting
frequencies
sound
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
Serge-Jean-Henri Thomas
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 FR927517A publication Critical patent/FR927517A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
FR927517D 1946-05-31 1946-05-31 Method and device for selecting sound frequencies Expired FR927517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR927517T 1946-05-31

Publications (1)

Publication Number Publication Date
FR927517A true FR927517A (en) 1947-10-31

Family

ID=9441102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR927517D Expired FR927517A (en) 1946-05-31 1946-05-31 Method and device for selecting sound frequencies

Country Status (1)

Country Link
FR (1) FR927517A (en)

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