GB472859A - Improvements in or relating to electron discharge devices such as television image dissectors - Google Patents
Improvements in or relating to electron discharge devices such as television image dissectorsInfo
- Publication number
- GB472859A GB472859A GB17417/36A GB1741736A GB472859A GB 472859 A GB472859 A GB 472859A GB 17417/36 A GB17417/36 A GB 17417/36A GB 1741736 A GB1741736 A GB 1741736A GB 472859 A GB472859 A GB 472859A
- Authority
- GB
- United Kingdom
- Prior art keywords
- television image
- relating
- discharge devices
- electron discharge
- coated
- 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
- 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
- H01J31/42—Image pick-up tubes having an input of visible light and electric output with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect, e.g. Farnsworth pick-up 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
- H01J29/02—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
- H01J29/395—Charge-storage screens charge-storage grids exhibiting triode effect
-
- 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
-
- 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
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/18—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with image written by a ray or beam on a grid-like charge-accumulating screen, and with a ray or beam passing through and influenced by this screen before striking the luminescent screen, e.g. direct-view storage tube
-
- 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
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J31/52—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Solid Thermionic Cathode (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
472,859. Coating with metals. FARNSWORTH TELEVISION, Inc. June 23, 1936, No. 17417. Convention date, July 1, 1935. [Class 82 (ii)] [Also in Groups XL and XXXVI] Metal grids 5 coated with insulation for use in television image-dissector tubes are coated on one side with a mosaic 29 of rectangular silver areas by evaporating silver in vacuo from a point source by eddy current heating.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29242A US2292437A (en) | 1935-07-01 | 1935-07-01 | Electron image amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
GB472859A true GB472859A (en) | 1937-10-01 |
Family
ID=21848002
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17419/36A Expired GB472860A (en) | 1935-07-01 | 1936-06-23 | Improvements in or relating to cathode ray tubes |
GB17417/36A Expired GB472859A (en) | 1935-07-01 | 1936-06-23 | Improvements in or relating to electron discharge devices such as television image dissectors |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17419/36A Expired GB472860A (en) | 1935-07-01 | 1936-06-23 | Improvements in or relating to cathode ray tubes |
Country Status (3)
Country | Link |
---|---|
US (2) | US2292437A (en) |
FR (2) | FR47504E (en) |
GB (2) | GB472860A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB481094A (en) * | 1936-06-04 | 1938-03-04 | British Thomson Houston Co Ltd | Improvements in and relating to cathode ray devices |
GB499828A (en) * | 1937-07-28 | 1939-01-30 | Baird Television Ltd | Improvements in or relating to electron discharge devices for use in television and like systems |
US2531624A (en) * | 1947-05-01 | 1950-11-28 | Bell Telephone Labor Inc | Selective signaling system |
NL77182C (en) * | 1948-12-04 | |||
DE969595C (en) * | 1951-10-09 | 1958-06-19 | Siemens Ag | Storage television receiving tube |
US2782334A (en) * | 1952-03-10 | 1957-02-19 | Raytheon Mfg Co | Velocity modulated electron discharge devices |
US2712607A (en) * | 1952-07-01 | 1955-07-05 | Orlando Carl | Device for intensifying photoelectrostatic image |
US2824249A (en) * | 1954-02-09 | 1958-02-18 | Hughes Aircraft Co | Storage grid for direct-viewing storage tubes |
US2946848A (en) * | 1954-03-08 | 1960-07-26 | Edgar W Van Winkle | Facsimile recorder system |
US2808526A (en) * | 1955-01-27 | 1957-10-01 | Itt | Cathode ray amplifier |
-
1935
- 1935-07-01 US US29242A patent/US2292437A/en not_active Expired - Lifetime
- 1935-07-06 US US30117A patent/US2228388A/en not_active Expired - Lifetime
-
1936
- 1936-06-23 GB GB17419/36A patent/GB472860A/en not_active Expired
- 1936-06-23 GB GB17417/36A patent/GB472859A/en not_active Expired
- 1936-06-30 FR FR47504D patent/FR47504E/en not_active Expired
- 1936-07-01 FR FR808840D patent/FR808840A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR47504E (en) | 1937-05-27 |
GB472860A (en) | 1937-10-01 |
US2228388A (en) | 1941-01-14 |
US2292437A (en) | 1942-08-11 |
FR808840A (en) | 1937-02-16 |
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