BE501140A - - Google Patents

Info

Publication number
BE501140A
BE501140A BE501140DA BE501140A BE 501140 A BE501140 A BE 501140A BE 501140D A BE501140D A BE 501140DA BE 501140 A BE501140 A BE 501140A
Authority
BE
Belgium
Prior art keywords
head
sound
disc
recording
recorded
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE501140A publication Critical patent/BE501140A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
BE501140D BE501140A (2)

Publications (1)

Publication Number Publication Date
BE501140A true BE501140A (2)

Family

ID=143044

Family Applications (1)

Application Number Title Priority Date Filing Date
BE501140D BE501140A (2)

Country Status (1)

Country Link
BE (1) BE501140A (2)

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