GB471149A - Improvements relating to television or like transmitting tubes - Google Patents
Improvements relating to television or like transmitting tubesInfo
- Publication number
- GB471149A GB471149A GB22354/37A GB2235437A GB471149A GB 471149 A GB471149 A GB 471149A GB 22354/37 A GB22354/37 A GB 22354/37A GB 2235437 A GB2235437 A GB 2235437A GB 471149 A GB471149 A GB 471149A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mosaic
- electrode
- jan
- collected
- electron beam
- 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 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 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
- H01J29/02—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
- H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
- H01J29/435—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope with a matrix of conductors traversing the target
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Electrostatic Separation (AREA)
Abstract
471,149. Cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Jan. 27, 1936, No. 22354/37. Convention date, Jan. 30, 1935. Divided out of 471,109. [Class 39 (i)] In a highly evacuated cathode-ray tube in which a mosaic electrode 54 is scanned by an electron beam which is focused by electrostatic or electromagnetic means, the secondary electrons emitted during scanning are collected by a positive electrode 82 and are prevented from straying transversely on to the mosaic elements by an electrode 30b which is arranged adjacent the mosaic and is negative with respect to the electrode 82. The mosaic may be constructed and mounted in a manner which is described in Specifications 471,109 and 471,137. Photo-electrons are collected by the positive grid 68 and the signals are supplied through the amplifier 76 to the transmitter 80. The anode 82 may consist of a silver coating and may assist to focus the electron beam. The diameter of the screen should be slightly less than that of the tube.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4023A US2149977A (en) | 1935-01-30 | 1935-01-30 | Television transmitting tube |
Publications (1)
Publication Number | Publication Date |
---|---|
GB471149A true GB471149A (en) | 1937-08-27 |
Family
ID=21708752
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22354/37A Expired GB471149A (en) | 1935-01-30 | 1936-01-27 | Improvements relating to television or like transmitting tubes |
GB20476/36A Expired GB471137A (en) | 1935-01-30 | 1936-01-27 | Improvements relating to mesh screens for use in television or like transmitting tubes |
GB2585/36A Expired GB471109A (en) | 1935-01-30 | 1936-01-27 | Improvements relating to mesh screens for use in television or like transmitting tubes |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20476/36A Expired GB471137A (en) | 1935-01-30 | 1936-01-27 | Improvements relating to mesh screens for use in television or like transmitting tubes |
GB2585/36A Expired GB471109A (en) | 1935-01-30 | 1936-01-27 | Improvements relating to mesh screens for use in television or like transmitting tubes |
Country Status (4)
Country | Link |
---|---|
US (1) | US2149977A (en) |
FR (1) | FR801014A (en) |
GB (3) | GB471149A (en) |
NL (1) | NL45434C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429933A (en) * | 1945-08-08 | 1947-10-28 | Western Electric Co | Image translating device |
US2588019A (en) * | 1946-06-05 | 1952-03-04 | Rca Corp | Monoscope target for pickup tubes |
US2493539A (en) * | 1946-06-13 | 1950-01-03 | Rca Corp | Target for pickup tubes |
US2641553A (en) * | 1948-12-29 | 1953-06-09 | Bell Telephone Labor Inc | Preparation of two-sided mosaic |
US2667596A (en) * | 1950-11-15 | 1954-01-26 | Rauland Corp | Storage electrode for signal-converting devices |
US2699511A (en) * | 1951-05-04 | 1955-01-11 | Sheldon Edward Emanuel | Storage tube for invisible radiation |
US2839679A (en) * | 1952-05-16 | 1958-06-17 | Franklin H Harris | Half-tone memory tube |
US2788466A (en) * | 1952-07-17 | 1957-04-09 | Hughes Aircraft Co | Direct-viewing storage tube |
US3013178A (en) * | 1953-03-23 | 1961-12-12 | Fairchild Camera Instr Co | Focussing mask for cathode ray tube |
US2926419A (en) * | 1957-05-01 | 1960-03-01 | Franklin H Harris | Method of forming a storage electrode |
US3164749A (en) * | 1961-02-13 | 1965-01-05 | Ibm | Electronic component packaging |
US3696741A (en) * | 1969-12-03 | 1972-10-10 | George W Reinke | Foraminous printing screen |
US4357368A (en) * | 1978-12-26 | 1982-11-02 | Rca Corporation | Method of making a photosensitive electrode and a photosensitive electrode made thereby |
-
0
- NL NL45434D patent/NL45434C/xx active
-
1935
- 1935-01-30 US US4023A patent/US2149977A/en not_active Expired - Lifetime
-
1936
- 1936-01-20 FR FR801014D patent/FR801014A/en not_active Expired
- 1936-01-27 GB GB22354/37A patent/GB471149A/en not_active Expired
- 1936-01-27 GB GB20476/36A patent/GB471137A/en not_active Expired
- 1936-01-27 GB GB2585/36A patent/GB471109A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB471109A (en) | 1937-08-27 |
FR801014A (en) | 1936-07-25 |
NL45434C (en) | |
GB471137A (en) | 1937-08-27 |
US2149977A (en) | 1939-03-07 |
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