FR2138903B1 - - Google Patents

Info

Publication number
FR2138903B1
FR2138903B1 FR7218311A FR7218311A FR2138903B1 FR 2138903 B1 FR2138903 B1 FR 2138903B1 FR 7218311 A FR7218311 A FR 7218311A FR 7218311 A FR7218311 A FR 7218311A FR 2138903 B1 FR2138903 B1 FR 2138903B1
Authority
FR
France
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
FR7218311A
Other versions
FR2138903A1 (fr
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
Publication of FR2138903A1 publication Critical patent/FR2138903A1/fr
Application granted granted Critical
Publication of FR2138903B1 publication Critical patent/FR2138903B1/fr
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
    • H01J29/92—Means forming part of the tube for the purpose of providing electrical connection to it
    • 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
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • 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
    • 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
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR7218311A 1971-05-22 1972-05-23 Expired FR2138903B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL7107038A NL7107038A (fr) 1971-05-22 1971-05-22
NL7201226A NL7201226A (fr) 1971-05-22 1972-01-28
US25462772A 1972-05-18 1972-05-18
US461872A US3919586A (en) 1971-05-22 1974-04-18 Gauze supply conductor in coil unit for a television camera tube

Publications (2)

Publication Number Publication Date
FR2138903A1 FR2138903A1 (fr) 1973-01-05
FR2138903B1 true FR2138903B1 (fr) 1980-04-04

Family

ID=27483793

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7218311A Expired FR2138903B1 (fr) 1971-05-22 1972-05-23
FR7303020A Expired FR2169395B1 (fr) 1971-05-22 1973-01-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7303020A Expired FR2169395B1 (fr) 1971-05-22 1973-01-29

Country Status (6)

Country Link
US (2) US3811066A (fr)
CA (2) CA952960A (fr)
DE (2) DE2221579A1 (fr)
FR (2) FR2138903B1 (fr)
GB (3) GB1393998A (fr)
NL (2) NL7107038A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2352119C2 (de) * 1973-10-17 1975-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronenoptisches System mit einer als Einheit ausgebildeten magnetischen Fokussier- und elektromagnetischen Ablenkanordnung
US4388556A (en) * 1978-02-13 1983-06-14 U.S. Philips Corporation Low noise electron gun
US4549113A (en) * 1981-02-06 1985-10-22 U.S. Philips Corporation Low noise electron gun
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL266290A (fr) * 1960-06-24
NL274303A (fr) * 1961-02-03
GB996331A (en) * 1962-01-15 1965-06-23 Emi Ltd Improvements relating to image pick-up devices and circuit arrangements embodying such devices
DE1194894B (de) * 1964-02-27 1965-06-16 Fernseh Gmbh Fernsehaufnahmeroehre
NL7102201A (fr) * 1971-02-19 1972-08-22

Also Published As

Publication number Publication date
GB1422051A (en) 1976-01-21
CA952960A (en) 1974-08-13
USB461872I5 (fr) 1975-01-28
DE2300554B2 (de) 1977-11-24
DE2300554A1 (de) 1973-08-02
DE2300554C3 (de) 1978-07-06
NL7201226A (fr) 1973-07-31
CA963063A (en) 1975-02-18
DE2221579A1 (de) 1972-12-07
US3919586A (en) 1975-11-11
FR2138903A1 (fr) 1973-01-05
FR2169395B1 (fr) 1977-12-30
US3811066A (en) 1974-05-14
GB1393998A (en) 1975-05-14
NL7107038A (fr) 1972-11-24
FR2169395A1 (fr) 1973-09-07
GB1422052A (en) 1976-01-21

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Legal Events

Date Code Title Description
ST Notification of lapse