FR2140218B1 - - Google Patents
Info
- Publication number
- FR2140218B1 FR2140218B1 FR7219994A FR7219994A FR2140218B1 FR 2140218 B1 FR2140218 B1 FR 2140218B1 FR 7219994 A FR7219994 A FR 7219994A FR 7219994 A FR7219994 A FR 7219994A FR 2140218 B1 FR2140218 B1 FR 2140218B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming
-
- 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
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14944571A | 1971-06-03 | 1971-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2140218A1 FR2140218A1 (Direct) | 1973-01-12 |
| FR2140218B1 true FR2140218B1 (Direct) | 1977-12-23 |
Family
ID=22530310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7219994A Expired FR2140218B1 (Direct) | 1971-06-03 | 1972-06-02 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3740607A (Direct) |
| JP (1) | JPS538185B1 (Direct) |
| DE (1) | DE2226171A1 (Direct) |
| FR (1) | FR2140218B1 (Direct) |
| GB (1) | GB1334492A (Direct) |
| IT (1) | IT956064B (Direct) |
| NL (1) | NL7207528A (Direct) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980919A (en) * | 1974-12-20 | 1976-09-14 | Watkins-Johnson Company | Rectangular beam laminar flow electron gun |
| US4124810A (en) * | 1977-06-06 | 1978-11-07 | Rca Corporation | Electron gun having a distributed electrostatic lens |
| JPS5677737A (en) * | 1979-11-28 | 1981-06-26 | Watanabe Denki Kogyo Kk | Forward opposition method between headlight and tester for headlight tester |
| NL8204185A (nl) * | 1982-10-29 | 1984-05-16 | Philips Nv | Kathodestraalbuis. |
| JPS6129045A (ja) * | 1984-07-18 | 1986-02-08 | Hitachi Ltd | 撮像管装置 |
| US4724359A (en) * | 1986-10-17 | 1988-02-09 | General Electric Company | Laminar flow guns for light valves |
| US4871949A (en) * | 1987-01-23 | 1989-10-03 | Albert Abramson | Cathode ray tube |
| US5287038A (en) * | 1992-05-14 | 1994-02-15 | Litton Systems, Inc. | High resolution electron gun |
| US5343113A (en) * | 1992-08-28 | 1994-08-30 | Chang Kern K N | Cathode ray tube apparatus with reduced beam spot size |
| US5442263A (en) * | 1994-08-23 | 1995-08-15 | David Sarnoff Research Center, Inc. | Dynamic electrostatic and magnetic focusing apparatus for a cathode ray tube |
| JPH11260284A (ja) | 1998-03-09 | 1999-09-24 | Hitachi Ltd | カラー陰極線管 |
| US7064500B2 (en) * | 2000-05-26 | 2006-06-20 | Exaconnect Corp. | Semi-conductor interconnect using free space electron switch |
| US6801002B2 (en) * | 2000-05-26 | 2004-10-05 | Exaconnect Corp. | Use of a free space electron switch in a telecommunications network |
| US6545425B2 (en) | 2000-05-26 | 2003-04-08 | Exaconnect Corp. | Use of a free space electron switch in a telecommunications network |
| US6407516B1 (en) | 2000-05-26 | 2002-06-18 | Exaconnect Inc. | Free space electron switch |
| US6800877B2 (en) * | 2000-05-26 | 2004-10-05 | Exaconnect Corp. | Semi-conductor interconnect using free space electron switch |
| CN112349567B (zh) * | 2020-10-26 | 2023-03-14 | 中国科学院近代物理研究所 | 产生高重频频率脉冲电子束的热阴极电子枪及其使用方法 |
| CN116130323A (zh) * | 2021-05-27 | 2023-05-16 | 中科晶源微电子技术（北京）有限公司 | 浸没式磁透镜电子枪及其光轴对中的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2383751A (en) * | 1942-05-07 | 1945-08-28 | Int Standard Electric Corp | Electron lens |
| US2581243A (en) * | 1949-05-28 | 1952-01-01 | Rca Corp | Cathode of electron beam devices |
| US2935636A (en) * | 1955-10-31 | 1960-05-03 | Rca Corp | Electron gun structure |
| US2902523A (en) * | 1956-03-29 | 1959-09-01 | California Research Corp | Process for producing normally liquid olefinic hydrocarbons |
| US2888606A (en) * | 1956-08-27 | 1959-05-26 | Rca Corp | Modulation control for cathode ray tubes |
| CA606402A (en) * | 1957-12-03 | 1960-10-04 | Hughes Aircraft Company | Low noise electron gun |
-
1971
- 1971-06-03 US US00149445A patent/US3740607A/en not_active Expired - Lifetime
-
1972
- 1972-05-30 DE DE2226171A patent/DE2226171A1/de not_active Withdrawn
- 1972-05-31 IT IT25145/72A patent/IT956064B/it active
- 1972-06-02 GB GB2591272A patent/GB1334492A/en not_active Expired
- 1972-06-02 NL NL7207528A patent/NL7207528A/xx not_active Application Discontinuation
- 1972-06-02 FR FR7219994A patent/FR2140218B1/fr not_active Expired
- 1972-06-03 JP JP5556672A patent/JPS538185B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2140218A1 (Direct) | 1973-01-12 |
| IT956064B (it) | 1973-10-10 |
| GB1334492A (en) | 1973-10-17 |
| US3740607A (en) | 1973-06-19 |
| DE2226171A1 (de) | 1973-01-04 |
| NL7207528A (Direct) | 1972-12-05 |
| JPS538185B1 (Direct) | 1978-03-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |