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 counteracted

Info

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
Application number
CA145,875,A
Other versions
CA145875S (en
Inventor
Theodoor G. Schut
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA950954A publication Critical patent/CA950954A/en
Expired legal-status Critical Current

Links

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
CA145,875,A 1971-07-02 1972-06-28 Television camera tube (vidicon) in which the detrimental effect of the return beam is counteracted Expired CA950954A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7109140A NL7109140A (en) 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 (en)
AU (1) AU463685B2 (en)
CA (1) CA950954A (en)
DE (1) DE2230529C2 (en)
FR (1) FR2144742B1 (en)
GB (1) GB1336970A (en)
NL (1) NL7109140A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809345A (en) * 1978-09-14 1980-03-18 Philips Nv CATHED BEAM TUBE.
JPS5688240A (en) * 1979-12-19 1981-07-17 Hitachi Ltd Camera tube
NL8004748A (en) * 1980-08-22 1982-03-16 Philips Nv TELEVISION CAMERA TUBE.
GB2088624B (en) * 1980-11-27 1984-09-19 English Electric Valve Co Ltd Improvements in or relating to camera tubes
JPS5996639A (en) * 1982-11-26 1984-06-04 Hitachi Ltd Image pickup tube
FR2630586A1 (en) * 1988-04-22 1989-10-27 Thomson Csf CAMERA TUBE WITH PARASITE IMAGE REMOVAL SCREEN
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)

* Cited by examiner, † Cited by third party
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 (en) * 1962-05-31
US3307061A (en) * 1963-09-16 1967-02-28 Gen Electric Electrostatic return beam camera tube
NL160428C (en) * 1968-02-13 1979-10-15 Philips Nv IMAGE RECORDING DEVICE WITH IMAGE RECORDING TUBE AND IMAGE RECORDING TUBE FOR SUCH DEVICE.

Also Published As

Publication number Publication date
DE2230529C2 (en) 1982-12-02
FR2144742B1 (en) 1977-07-22
AU4400572A (en) 1974-01-03
NL7109140A (en) 1973-01-04
DE2230529A1 (en) 1973-01-11
US3866079A (en) 1975-02-11
AU463685B2 (en) 1975-07-31
GB1336970A (en) 1973-11-14
FR2144742A1 (en) 1973-02-16

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