BE486172A - - Google Patents

Info

Publication number
BE486172A
BE486172A BE486172DA BE486172A BE 486172 A BE486172 A BE 486172A BE 486172D A BE486172D A BE 486172DA BE 486172 A BE486172 A BE 486172A
Authority
BE
Belgium
Prior art keywords
image
sound
tube
concentration
modulation
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486172A publication Critical patent/BE486172A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/64Magnetic lenses
    • H01J29/66Magnetic lenses using electromagnetic means only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BE486172D BE486172A (cs)

Publications (1)

Publication Number Publication Date
BE486172A true BE486172A (cs)

Family

ID=131906

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486172D BE486172A (cs)

Country Status (1)

Country Link
BE (1) BE486172A (cs)

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