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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/66—Magnetic lenses using electromagnetic means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486172A true BE486172A (mo) |
Family
ID=131906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486172D BE486172A (mo) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE486172A (mo) |
-
0
- BE BE486172D patent/BE486172A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103597852B (zh) | 具有低厚度和高行程的电机械-电声换能器及其制造方法 | |
| US20070201718A1 (en) | Speaker | |
| FR2540326A1 (fr) | Haut-parleur a pavillon a faible flux magnetique de fuite | |
| US3394254A (en) | Electron-optical system with a magnetic focussing lens having a cooling means | |
| EP1474952B1 (fr) | Moteur electrodynamique a bobine mobile notamment pour haut-parleur, haut-parleur et piece polaire adaptee | |
| US2110153A (en) | Magnetic system | |
| JP2003047090A (ja) | スピーカ用磁気回路 | |
| JP2009134990A (ja) | 電子レンズ | |
| 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 | |
| WO2021111010A1 (fr) | Haut-parleur à grande excursion, faible distorsion et faible profondeur | |
| BE527619A (fr) | Perfectionnements aux dispositifs à decharge | |
| BE438018A (mo) | ||
| EP1381253A1 (en) | Magnetic system for a moving coil loudspeaker | |
| FR3104367A1 (fr) | Haut-parleur à grande excursion, faible distorsion et faible profondeur | |
| JPH0614394A (ja) | スピーカ | |
| JP2000152380A (ja) | スピーカ | |
| JP5210088B2 (ja) | 電子ビーム装置 | |
| FR2549335A1 (fr) | Haut-parleur a modulation magnetique | |
| TW202508307A (zh) | 磁通跟隨音圈的揚聲器 | |
| JPH0138350B2 (mo) | ||
| BE527786A (mo) | ||
| JPH0720832Y2 (ja) | フォーカスマグネット | |
| FR2833749A1 (fr) | Refroidissement d'un tube electronique | |
| JPH11162725A (ja) | 超電導マグネット |