CA950955A - 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
CA950955A
CA950955A CA145,876,A CA145876A CA950955A CA 950955 A CA950955 A CA 950955A CA 145876 A CA145876 A CA 145876A CA 950955 A CA950955 A CA 950955A
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
CA145,876,A
Other versions
CA145876S (en
Inventor
Willem P. Weijland
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 CA950955A publication Critical patent/CA950955A/en
Expired legal-status Critical Current

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
    • H01J31/28—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
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
CA145,876,A 1971-07-02 1972-06-28 Television camera tube (vidicon) in which the detrimental effect of the return beam is counteracted Expired CA950955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7109170A NL7109170A (en) 1971-07-02 1971-07-02

Publications (1)

Publication Number Publication Date
CA950955A true CA950955A (en) 1974-07-09

Family

ID=19813538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,876,A Expired CA950955A (en) 1971-07-02 1972-06-28 Television camera tube (vidicon) in which the detrimental effect of the return beam is counteracted

Country Status (9)

Country Link
JP (1) JPS5343768B1 (en)
AU (1) AU471912B2 (en)
BE (1) BE785749A (en)
CA (1) CA950955A (en)
DE (1) DE2231519A1 (en)
FR (1) FR2144743B1 (en)
GB (1) GB1330448A (en)
IT (1) IT956931B (en)
NL (1) NL7109170A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54129871A (en) * 1978-02-13 1979-10-08 Philips Nv Device having camera tube
GB2015195A (en) * 1978-02-15 1979-09-05 Tektronix Inc Cathode Ray Tube Having Low Voltage Focus and Dynamic Correction
NL7809345A (en) * 1978-09-14 1980-03-18 Philips Nv CATHED BEAM TUBE.
US5287038A (en) * 1992-05-14 1994-02-15 Litton Systems, Inc. High resolution electron gun
EP0589522B1 (en) * 1992-09-25 1997-03-05 Koninklijke Philips Electronics N.V. Cathode-ray tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032419B (en) * 1938-04-05 1958-06-19 Loewe Opta Ag Braun 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
AU4400672A (en) 1974-01-03
FR2144743A1 (en) 1973-02-16
GB1330448A (en) 1973-09-19
AU471912B2 (en) 1976-05-06
BE785749A (en) 1973-01-02
IT956931B (en) 1973-10-10
FR2144743B1 (en) 1977-04-01
JPS5343768B1 (en) 1978-11-22
NL7109170A (en) 1973-01-04
DE2231519A1 (en) 1973-01-11

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