FI60468B - Elektronkanon foer anvaendning i ett katodstraolroer - Google Patents
Elektronkanon foer anvaendning i ett katodstraolroer Download PDFInfo
- Publication number
- FI60468B FI60468B FI773065A FI773065A FI60468B FI 60468 B FI60468 B FI 60468B FI 773065 A FI773065 A FI 773065A FI 773065 A FI773065 A FI 773065A FI 60468 B FI60468 B FI 60468B
- Authority
- FI
- Finland
- Prior art keywords
- electron
- electrode
- length
- electron gun
- electrodes
- Prior art date
Links
Classifications
-
- 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
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
-
- 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
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12604176 | 1976-10-22 | ||
JP12604176A JPS5351958A (en) | 1976-10-22 | 1976-10-22 | Electron gun |
Publications (2)
Publication Number | Publication Date |
---|---|
FI773065A FI773065A (fi) | 1978-04-23 |
FI60468B true FI60468B (fi) | 1981-09-30 |
Family
ID=14925187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI773065A FI60468B (fi) | 1976-10-22 | 1977-10-17 | Elektronkanon foer anvaendning i ett katodstraolroer |
Country Status (5)
Country | Link |
---|---|
US (1) | US4178532A (de) |
JP (1) | JPS5351958A (de) |
DE (1) | DE2747441C3 (de) |
FI (1) | FI60468B (de) |
GB (1) | GB1559654A (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4124810A (en) * | 1977-06-06 | 1978-11-07 | Rca Corporation | Electron gun having a distributed electrostatic lens |
JPS563948A (en) * | 1979-06-22 | 1981-01-16 | Hitachi Ltd | Electrostatic focusing type pickup tube |
NL8102526A (nl) * | 1981-05-22 | 1982-12-16 | Philips Nv | Kleurenbeeldbuis. |
NL8102527A (nl) * | 1981-05-22 | 1982-12-16 | Philips Nv | Kleurenbeeldbuis. |
US4498028A (en) * | 1981-09-28 | 1985-02-05 | Zenith Electronics Corporation | Ultra-short LoBi electron gun for very short cathode ray tubes |
CA1196677A (en) * | 1982-02-26 | 1985-11-12 | Sony Corporation | Electron gun |
NL8204185A (nl) * | 1982-10-29 | 1984-05-16 | Philips Nv | Kathodestraalbuis. |
JPS5982605U (ja) * | 1982-11-29 | 1984-06-04 | トヨタ自動車株式会社 | 面取り加工装置 |
US4634924A (en) * | 1985-08-06 | 1987-01-06 | Rca Corporation | Electron gun having cylindrical focus lens |
US4742266A (en) * | 1987-07-20 | 1988-05-03 | Rca Corporation | Color picture tube having an inline electron gun with an einzel lens |
US4745331A (en) * | 1987-07-20 | 1988-05-17 | Rca Licensing Corporation | Color picture tube having an inline electron gun with an einzel lens |
US4737682A (en) * | 1987-07-20 | 1988-04-12 | Rca Corporation | Color picture tube having an inline electron gun with an einzel lens |
JPH07134953A (ja) * | 1993-11-09 | 1995-05-23 | Hitachi Ltd | カラー受像管 |
JP3422842B2 (ja) * | 1994-05-23 | 2003-06-30 | 株式会社日立製作所 | 陰極線管 |
KR100344517B1 (ko) * | 2000-03-09 | 2002-07-24 | 히다찌 일렉트로닉 디바이시즈 가부시끼가이샤 | Upf형 전자총을 갖는 음극선관 |
US6750601B2 (en) * | 2001-09-14 | 2004-06-15 | Lg Philips Displays Korea Co., Ltd. | Electron gun for color cathode ray tube |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1071852B (de) * | 1959-12-24 | |||
GB568572A (en) * | 1942-01-02 | 1945-04-11 | Otto Ernst Heinrich Klemperer | Improvements in or relating to electron lenses |
US2423924A (en) * | 1943-07-15 | 1947-07-15 | Speidel Corp | Cathode-ray tube |
DE928480C (de) * | 1953-01-22 | 1955-06-02 | Loewe Opta Ag | Konzentrier-Einrichtung fuer Elektronenstrahlroehren mit statischen Konzentriermitteln |
NL132100C (de) * | 1962-02-20 | |||
NL7208728A (de) * | 1971-07-28 | 1973-12-28 | ||
US4052643A (en) * | 1972-04-12 | 1977-10-04 | Hitachi, Ltd. | Electron guns for use in cathode ray tubes |
US3987329A (en) * | 1973-04-09 | 1976-10-19 | Hitachi, Ltd. | Electron gun with first of plurality of independent lens systems having greater focusing power |
US3895253A (en) * | 1973-10-23 | 1975-07-15 | Zenith Radio Corp | Electron gun having extended field electrostatic focus lens |
-
1976
- 1976-10-22 JP JP12604176A patent/JPS5351958A/ja active Granted
-
1977
- 1977-10-17 FI FI773065A patent/FI60468B/fi not_active IP Right Cessation
- 1977-10-19 US US05/843,454 patent/US4178532A/en not_active Expired - Lifetime
- 1977-10-20 GB GB43637/77A patent/GB1559654A/en not_active Expired
- 1977-10-21 DE DE2747441A patent/DE2747441C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4178532A (en) | 1979-12-11 |
JPS5531580B2 (de) | 1980-08-19 |
DE2747441C3 (de) | 1985-06-20 |
GB1559654A (en) | 1980-01-23 |
FI773065A (fi) | 1978-04-23 |
JPS5351958A (en) | 1978-05-11 |
DE2747441B2 (de) | 1979-11-08 |
DE2747441A1 (de) | 1978-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: HITACHI, LTD. |