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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BE486172D BE486172A (OSRAM)

Publications (1)

Publication Number Publication Date
BE486172A true BE486172A (OSRAM)

Family

ID=131906

Family Applications (1)

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

Country Status (1)

Country Link
BE (1) BE486172A (OSRAM)

Similar Documents

Publication Publication Date Title
JP4739064B2 (ja) スピーカ
FR2487118A1 (fr) Tube d'images en couleur muni d'une electrode de selection de couleur suspendue dans les angles de la fenetre d'image
FR2498011A1 (fr) Objectif magnetique a utiliser dans un microscope electronique a balayage
FR2540326A1 (fr) Haut-parleur a pavillon a faible flux magnetique de fuite
BE486172A (OSRAM)
US2110153A (en) Magnetic system
FR2496337A1 (fr) Structure d'aimants permanents pour tubes electroniques a faisceau lineaire
JP2003047090A (ja) スピーカ用磁気回路
JP2005251365A (ja) 光ピックアップアクチュエーターのヨークプレート、そのヨークプレートとサスペンションpcbの結合構造およびその構造を含む光ピックアップアクチュエーター
JP3137218B2 (ja) スピーカ
FR2522440A1 (fr) Canon a electrons
BE438018A (OSRAM)
FR3104368A1 (fr) Haut-parleur à grande excursion, faible distorsion et faible profondeur
EP1381253A1 (en) Magnetic system for a moving coil loudspeaker
JP2000152380A (ja) スピーカ
WO2021111010A1 (fr) Haut-parleur à grande excursion, faible distorsion et faible profondeur
FR2549335A1 (fr) Haut-parleur a modulation magnetique
EP0779698B1 (fr) Générateur multipolaire de vibrations électrodynamiques
TW202508307A (zh) 磁通跟隨音圈的揚聲器
JPH0138350B2 (OSRAM)
JPH0720832Y2 (ja) フォーカスマグネット
JPH11162725A (ja) 超電導マグネット
JP2555099B2 (ja) フォーカスマグネット
JPH064885A (ja) 光学ヘッドアクチュエータ
WO2022175580A2 (es) Altavoz electrodinámico para bocina con disipación térmica mejorado y método de fabricación