BE727212A - - Google Patents
Info
- Publication number
- BE727212A BE727212A BE727212DA BE727212A BE 727212 A BE727212 A BE 727212A BE 727212D A BE727212D A BE 727212DA BE 727212 A BE727212 A BE 727212A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
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- 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
- H01J29/14—Screens on or from which an image or pattern is formed, picked up, converted or stored acting by discoloration, e.g. halide screen
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- 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
- H01J31/122—Direct viewing storage tubes without storage grid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S348/00—Television
- Y10S348/902—Photochromic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70014868A | 1968-01-24 | 1968-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE727212A true BE727212A (pt) | 1969-07-01 |
Family
ID=24812379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE727212D BE727212A (pt) | 1968-01-24 | 1969-01-21 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3548236A (pt) |
BE (1) | BE727212A (pt) |
BR (1) | BR6905862D0 (pt) |
DE (1) | DE1903632C3 (pt) |
ES (1) | ES362799A1 (pt) |
FR (1) | FR1600284A (pt) |
GB (1) | GB1253453A (pt) |
NL (1) | NL6901122A (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3647959A (en) * | 1968-06-24 | 1972-03-07 | Robert J Schlesinger | System for generating a hologram |
US3744877A (en) * | 1971-06-24 | 1973-07-10 | American Cyanamid Co | Dark trace display device employing uv phosphor plus photochromic resin inside the display screen which generates color by means of triplet-to-triplet absorption |
US3875447A (en) * | 1972-12-12 | 1975-04-01 | Ibm | High writing speed dark-trace tube with flood beam enhancement |
US3908148A (en) * | 1973-12-27 | 1975-09-23 | Watkins Johnson Co | Electro-optical transducer and storage tube |
US3968394A (en) * | 1974-04-01 | 1976-07-06 | Massachusetts Institute Of Technology | Cathode ray tube employing faceplate-deposited cathodochromic material and electron beam erase |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2432908A (en) * | 1942-07-22 | 1947-12-16 | Rca Corp | Cathode-ray target and method of manufacture |
US2416574A (en) * | 1943-04-08 | 1947-02-25 | Gen Electric | Discriminative alkali halide screen |
US3253497A (en) * | 1961-10-30 | 1966-05-31 | Polacoat Inc | Information storage device |
US3452332A (en) * | 1965-01-05 | 1969-06-24 | Ibm | Memory device and method of information handling utilizing charge transfer between rare earth ions |
US3453604A (en) * | 1966-11-15 | 1969-07-01 | Bell Telephone Labor Inc | Optical memory device employing multiphoton-excited fluorescing material to reduce exposure crosstalk |
-
1968
- 1968-01-24 US US700148A patent/US3548236A/en not_active Expired - Lifetime
- 1968-12-31 FR FR1600284D patent/FR1600284A/fr not_active Expired
-
1969
- 1969-01-21 BE BE727212D patent/BE727212A/xx unknown
- 1969-01-22 ES ES362799A patent/ES362799A1/es not_active Expired
- 1969-01-23 NL NL6901122A patent/NL6901122A/xx unknown
- 1969-01-23 GB GB3855/69A patent/GB1253453A/en not_active Expired
- 1969-01-24 BR BR205862/69A patent/BR6905862D0/pt unknown
- 1969-01-24 DE DE1903632A patent/DE1903632C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1253453A (en) | 1971-11-17 |
NL6901122A (pt) | 1969-07-28 |
ES362799A1 (es) | 1970-11-16 |
BR6905862D0 (pt) | 1973-01-11 |
DE1903632A1 (de) | 1969-09-04 |
US3548236A (en) | 1970-12-15 |
DE1903632C3 (de) | 1978-05-18 |
DE1903632B2 (de) | 1977-09-15 |
FR1600284A (pt) | 1970-07-20 |