GB746504A - Improvements in or relating to television camera tubes - Google Patents
Improvements in or relating to television camera tubesInfo
- Publication number
- GB746504A GB746504A GB2523553A GB2523553A GB746504A GB 746504 A GB746504 A GB 746504A GB 2523553 A GB2523553 A GB 2523553A GB 2523553 A GB2523553 A GB 2523553A GB 746504 A GB746504 A GB 746504A
- Authority
- GB
- United Kingdom
- Prior art keywords
- target
- relating
- mosaics
- television camera
- cathode
- 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
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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/39—Charge-storage screens
- H01J29/41—Charge-storage screens using secondary emission, e.g. for supericonoscope
- H01J29/413—Charge-storage screens using secondary emission, e.g. for supericonoscope for writing and reading of charge pattern on opposite sides of the target, e.g. for superorthicon
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
746,504. Cathode-ray tubes. ENGLISH ELECTRIC VALVE CO., Ltd. July 14, 1954 [Sept. 11, 1953], No. 25235/53. Class 39 (1). The thin dielectric target 5 in an image orthicon is provided with mosaics 13 on both sides; the capacity of the target is thus increased without the necessity of having the collector grid 8 on the image side very near the target. In an example the target may be glass with a thickness of 5 mil. and the grid is spaced 2-5 mils. from it. The mosaics are silver layers of 50 per cent transparency aggregated at 400‹ C. The tube incorporates a conventional multiplier around the gun cathode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2523553A GB746504A (en) | 1953-09-11 | 1953-09-11 | Improvements in or relating to television camera tubes |
| FR1114185D FR1114185A (en) | 1953-09-11 | 1954-11-30 | Improvements to television shooting tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2523553A GB746504A (en) | 1953-09-11 | 1953-09-11 | Improvements in or relating to television camera tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB746504A true GB746504A (en) | 1956-03-14 |
Family
ID=10224395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2523553A Expired GB746504A (en) | 1953-09-11 | 1953-09-11 | Improvements in or relating to television camera tubes |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1114185A (en) |
| GB (1) | GB746504A (en) |
-
1953
- 1953-09-11 GB GB2523553A patent/GB746504A/en not_active Expired
-
1954
- 1954-11-30 FR FR1114185D patent/FR1114185A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1114185A (en) | 1956-04-09 |
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