CA953816A - Optical probe for cathode ray tubes - Google Patents
Optical probe for cathode ray tubesInfo
- Publication number
- CA953816A CA953816A CA111,516A CA111516A CA953816A CA 953816 A CA953816 A CA 953816A CA 111516 A CA111516 A CA 111516A CA 953816 A CA953816 A CA 953816A
- Authority
- CA
- Canada
- Prior art keywords
- cathode ray
- optical probe
- ray tubes
- tubes
- probe
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
-
- 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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/892—Optical or photographic arrangements structurally combined or co-operating with the vessel using fibre optics
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Measurement Of Radiation (AREA)
- Television Receiver Circuits (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5376670A | 1970-07-10 | 1970-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA953816A true CA953816A (en) | 1974-08-27 |
Family
ID=21986388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA111,516A Expired CA953816A (en) | 1970-07-10 | 1971-04-27 | Optical probe for cathode ray tubes |
Country Status (5)
Country | Link |
---|---|
US (1) | US3715617A (fr) |
CA (1) | CA953816A (fr) |
DE (1) | DE2134312A1 (fr) |
FR (1) | FR2100454A5 (fr) |
GB (1) | GB1326152A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4589022A (en) * | 1983-11-28 | 1986-05-13 | General Electric Company | Brightness control system for CRT video display |
FR2613572B1 (fr) * | 1987-04-03 | 1993-01-22 | Thomson Csf | Systeme de visualisation de donnees lumineuses, a lisibilite amelioree |
US4827183A (en) * | 1988-02-02 | 1989-05-02 | Thomson Electron Tubes & Devices Corporation | CRT with means for monitoring electron beam |
GB8814157D0 (en) * | 1988-06-15 | 1988-07-20 | Crosfield Electronics Ltd | Display control system |
FR2680933B1 (fr) * | 1991-08-30 | 1997-09-26 | Sextant Avionique | Dispositif d'asservissement de la tension de blocage d'un tube cathodique par mesure de luminance. |
FR2680932B1 (fr) * | 1991-08-30 | 1993-11-26 | Sextant Avionique | Dispositif d'asservissement de la tension de blocage d'un tube cathodique par double boucle. |
US6327708B1 (en) * | 1998-09-15 | 2001-12-04 | True Image, L.L.C. | System of absolute measurement for radiological image luminance control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3058021A (en) * | 1958-11-24 | 1962-10-09 | American Optical Corp | Optical coupling device between x-ray intensifier and vidicon camera tube or the like |
DE1249325B (de) * | 1960-12-30 | 1967-09-07 | Radio Corporation Of America, New York, N. Y. (V. St. A.) | Schaltungsanordnung :ur raumlichtabhängigen Steuerung des Contrastes und der Helligkeit in einem ernsehempfänger |
NL278224A (fr) * | 1961-05-10 | |||
GB1047953A (en) * | 1962-07-26 | 1966-11-09 | David Marshall Goodman | Improved cathode ray tubes |
GB1081513A (en) * | 1964-06-12 | 1967-08-31 | Gen Electric | Face plate assembly for electron image tubes |
US3404226A (en) * | 1965-03-25 | 1968-10-01 | Gen Electric | Automatic contrast and brightness control for television receiver utilizing a light dependent resistor |
US3441663A (en) * | 1965-05-04 | 1969-04-29 | Photo Electronics Corp | Non-linear amplifiers and systems |
US3497701A (en) * | 1967-07-14 | 1970-02-24 | Ibm | Light pen optical system for display apparatus |
-
1970
- 1970-07-10 US US00053766A patent/US3715617A/en not_active Expired - Lifetime
-
1971
- 1971-04-27 CA CA111,516A patent/CA953816A/en not_active Expired
- 1971-06-30 GB GB3063671A patent/GB1326152A/en not_active Expired
- 1971-07-09 FR FR7125167A patent/FR2100454A5/fr not_active Expired
- 1971-07-09 DE DE19712134312 patent/DE2134312A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1326152A (en) | 1973-08-08 |
US3715617A (en) | 1973-02-06 |
DE2134312A1 (de) | 1972-01-13 |
FR2100454A5 (fr) | 1972-03-17 |
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