JPH0213416B2 - - Google Patents
Info
- Publication number
- JPH0213416B2 JPH0213416B2 JP1053579A JP1053579A JPH0213416B2 JP H0213416 B2 JPH0213416 B2 JP H0213416B2 JP 1053579 A JP1053579 A JP 1053579A JP 1053579 A JP1053579 A JP 1053579A JP H0213416 B2 JPH0213416 B2 JP H0213416B2
- Authority
- JP
- Japan
- Prior art keywords
- anode
- cathode
- electron gun
- image pickup
- electron
- Prior art date
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 33
- 230000005684 electric field Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 39
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical class [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/26—Image pick-up tubes having an input of visible light and electric output
- H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
- H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
- H01J31/38—Tubes with photoconductive screen, e.g. vidicon
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87708078A | 1978-02-13 | 1978-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54129871A JPS54129871A (en) | 1979-10-08 |
JPH0213416B2 true JPH0213416B2 (fr) | 1990-04-04 |
Family
ID=25369206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1053579A Granted JPS54129871A (en) | 1978-02-13 | 1979-02-02 | Device having camera tube |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS54129871A (fr) |
CA (1) | CA1118831A (fr) |
DE (1) | DE2904865A1 (fr) |
FR (1) | FR2417182A1 (fr) |
GB (1) | GB2015817B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5774948A (en) | 1980-10-29 | 1982-05-11 | Nippon Hoso Kyokai <Nhk> | Electron gun |
US4549113A (en) * | 1981-02-06 | 1985-10-22 | U.S. Philips Corporation | Low noise electron gun |
US4540916A (en) * | 1981-10-30 | 1985-09-10 | Nippon Hoso Kyokai | Electron gun for television camera tube |
US4701679A (en) * | 1985-08-23 | 1987-10-20 | Hitachi, Ltd. | Method of and apparatus for controlling amount of electron beam in image pickup tube |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3374379A (en) * | 1964-03-02 | 1968-03-19 | Nippon Columbia | Low second grid voltage electron gun |
BE759247A (fr) * | 1969-11-22 | 1971-05-21 | Philips Nv | Dispositif muni d'un tube electronique, et tube electronique destine a un tel dispositif |
NL167801C (nl) * | 1970-09-04 | 1982-01-18 | Philips Nv | Inrichting met een televisiecamerabuis en televisie - camerabuis voor een dergelijke inrichting. |
BE785749A (fr) * | 1971-07-02 | 1973-01-02 | Philips Nv | Tube de camera de television (vidicon) dans lequel on contrecarre l'influence defavorable du faisceau de retour |
US3831058A (en) * | 1971-08-30 | 1974-08-20 | Roosmalen J Van | Device comprising a television camera tube and television camera |
US3894261A (en) * | 1973-07-09 | 1975-07-08 | Hughes Aircraft Co | No-crossover electron gun |
GB1444062A (en) * | 1974-06-08 | 1976-07-28 | English Electric Valve Co Ltd | Camera tubes |
-
1979
- 1979-02-02 JP JP1053579A patent/JPS54129871A/ja active Granted
- 1979-02-08 CA CA000321220A patent/CA1118831A/fr not_active Expired
- 1979-02-09 GB GB7904587A patent/GB2015817B/en not_active Expired
- 1979-02-09 DE DE19792904865 patent/DE2904865A1/de active Granted
- 1979-02-12 FR FR7903490A patent/FR2417182A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2015817A (en) | 1979-09-12 |
JPS54129871A (en) | 1979-10-08 |
DE2904865C2 (fr) | 1987-12-10 |
CA1118831A (fr) | 1982-02-23 |
FR2417182B1 (fr) | 1984-02-24 |
DE2904865A1 (de) | 1979-08-16 |
GB2015817B (en) | 1982-06-03 |
FR2417182A1 (fr) | 1979-09-07 |
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