CA950954A - Television camera tube (vidicon) in which the detrimental effect of the return beam is counteracted - Google Patents
Television camera tube (vidicon) in which the detrimental effect of the return beam is counteractedInfo
- Publication number
- CA950954A CA950954A CA145,875,A CA145875A CA950954A CA 950954 A CA950954 A CA 950954A CA 145875 A CA145875 A CA 145875A CA 950954 A CA950954 A CA 950954A
- Authority
- CA
- Canada
- Prior art keywords
- vidicon
- counteracted
- television camera
- detrimental effect
- return 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
- 230000001627 detrimental effect Effects 0.000 title 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
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
-
- 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
- H01J29/021—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof arrangements for eliminating interferences in the 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
- H01J31/26—Image pick-up tubes having an input of visible light and electric output
- H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
- H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
- H01J31/38—Tubes with photoconductive screen, e.g. vidicon
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7109140A NL7109140A (xx) | 1971-07-02 | 1971-07-02 | |
US26525972A | 1972-06-22 | 1972-06-22 | |
US447563A US3866079A (en) | 1971-07-02 | 1974-03-04 | Television camera tube in which the detrimental effect of the return beam is counteracted |
Publications (1)
Publication Number | Publication Date |
---|---|
CA950954A true CA950954A (en) | 1974-07-09 |
Family
ID=27351688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA145,875,A Expired CA950954A (en) | 1971-07-02 | 1972-06-28 | Television camera tube (vidicon) in which the detrimental effect of the return beam is counteracted |
Country Status (7)
Country | Link |
---|---|
US (1) | US3866079A (xx) |
AU (1) | AU463685B2 (xx) |
CA (1) | CA950954A (xx) |
DE (1) | DE2230529C2 (xx) |
FR (1) | FR2144742B1 (xx) |
GB (1) | GB1336970A (xx) |
NL (1) | NL7109140A (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7809345A (nl) * | 1978-09-14 | 1980-03-18 | Philips Nv | Kathodestraalbuis. |
JPS5688240A (en) * | 1979-12-19 | 1981-07-17 | Hitachi Ltd | Camera tube |
NL8004748A (nl) * | 1980-08-22 | 1982-03-16 | Philips Nv | Televisiecamerabuis. |
GB2088624B (en) * | 1980-11-27 | 1984-09-19 | English Electric Valve Co Ltd | Improvements in or relating to camera tubes |
JPS5996639A (ja) * | 1982-11-26 | 1984-06-04 | Hitachi Ltd | 撮像管 |
FR2630586A1 (fr) * | 1988-04-22 | 1989-10-27 | Thomson Csf | Tube de camera avec ecran de suppression d'image parasite |
GB2325335B (en) * | 1997-05-16 | 2001-07-11 | Leica Lithography Systems Ltd | Electron beam aperture element |
GB2346007B (en) | 1999-01-21 | 2004-03-03 | Imaging & Sensing Tech Corp | Getter flash shield |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2747133A (en) * | 1950-07-05 | 1956-05-22 | Rca Corp | Television pickup tube |
US2839601A (en) * | 1950-09-27 | 1958-06-17 | Julius Cato Vredenburg Inglesb | Methods of and apparatus for rendering visible magnetic and electric field patterns |
NL293465A (xx) * | 1962-05-31 | |||
US3307061A (en) * | 1963-09-16 | 1967-02-28 | Gen Electric | Electrostatic return beam camera tube |
NL160428C (nl) * | 1968-02-13 | 1979-10-15 | Philips Nv | Beeldopneeminrichting met een beeldopneembuis en beeldop- neembuis voor een dergelijke inrichting. |
-
1971
- 1971-07-02 NL NL7109140A patent/NL7109140A/xx not_active Application Discontinuation
-
1972
- 1972-06-22 DE DE2230529A patent/DE2230529C2/de not_active Expired
- 1972-06-28 CA CA145,875,A patent/CA950954A/en not_active Expired
- 1972-06-28 AU AU44005/72A patent/AU463685B2/en not_active Expired
- 1972-06-29 GB GB3042972A patent/GB1336970A/en not_active Expired
- 1972-07-03 FR FR7224007A patent/FR2144742B1/fr not_active Expired
-
1974
- 1974-03-04 US US447563A patent/US3866079A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2144742B1 (xx) | 1977-07-22 |
AU463685B2 (en) | 1975-07-31 |
GB1336970A (en) | 1973-11-14 |
AU4400572A (en) | 1974-01-03 |
FR2144742A1 (xx) | 1973-02-16 |
DE2230529A1 (de) | 1973-01-11 |
DE2230529C2 (de) | 1982-12-02 |
NL7109140A (xx) | 1973-01-04 |
US3866079A (en) | 1975-02-11 |
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