FR2277431A1 - TWO-BEAM CATHODIC TUBES IMPROVEMENTS - Google Patents

TWO-BEAM CATHODIC TUBES IMPROVEMENTS

Info

Publication number
FR2277431A1
FR2277431A1 FR7520852A FR7520852A FR2277431A1 FR 2277431 A1 FR2277431 A1 FR 2277431A1 FR 7520852 A FR7520852 A FR 7520852A FR 7520852 A FR7520852 A FR 7520852A FR 2277431 A1 FR2277431 A1 FR 2277431A1
Authority
FR
France
Prior art keywords
cathodic tubes
cathodic
tubes
tubes improvements
beam cathodic
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.)
Granted
Application number
FR7520852A
Other languages
French (fr)
Other versions
FR2277431B1 (en
Inventor
Conrad John Odenthal
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Publication of FR2277431A1 publication Critical patent/FR2277431A1/en
Application granted granted Critical
Publication of FR2277431B1 publication Critical patent/FR2277431B1/fr
Granted 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
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/121—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen tubes for oscillography
    • 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
FR7520852A 1974-07-05 1975-06-27 TWO-BEAM CATHODIC TUBES IMPROVEMENTS Granted FR2277431A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486022A US3921025A (en) 1974-07-05 1974-07-05 Dual-beam CRT with vertical trace bowing correction means

Publications (2)

Publication Number Publication Date
FR2277431A1 true FR2277431A1 (en) 1976-01-30
FR2277431B1 FR2277431B1 (en) 1978-09-01

Family

ID=23930299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520852A Granted FR2277431A1 (en) 1974-07-05 1975-06-27 TWO-BEAM CATHODIC TUBES IMPROVEMENTS

Country Status (7)

Country Link
US (1) US3921025A (en)
JP (1) JPS5117658A (en)
CA (1) CA1044745A (en)
DE (1) DE2529505C2 (en)
FR (1) FR2277431A1 (en)
GB (2) GB1505563A (en)
NL (1) NL7506542A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124854A (en) * 1976-04-12 1977-10-20 Mitsubishi Electric Corp Braun tube and its production
JPS52124855A (en) * 1976-04-12 1977-10-20 Mitsubishi Electric Corp Cathode-ray tube
JPS52136550U (en) * 1976-04-12 1977-10-17
JPS52137762U (en) * 1976-04-13 1977-10-19
DE2804029A1 (en) * 1978-01-31 1979-08-02 Licentia Gmbh CRT with two beam electron gun - has such gun position that beams are inclined to tube axis and when not deflected intersect it at screen
US4288719A (en) * 1979-03-09 1981-09-08 Rca Corporation CRT With means for suppressing arcing therein
JPS5834789A (en) * 1981-08-25 1983-03-01 富士通フアナツク株式会社 Hand for industrial robot
US4585976A (en) * 1982-01-19 1986-04-29 Hewlett-Packard Company Beam penetration CRT with internal automatic constant deflection factor and pattern correction
US5087867A (en) * 1991-02-25 1992-02-11 International Business Machines Corporation Motor driving apparatus and printer
US5621276A (en) * 1992-05-01 1997-04-15 Magma, Inc. Cathode ray tube
US6369498B1 (en) * 1999-11-03 2002-04-09 Intel Corporation Electron gun for addressing secondary emission targets

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2170944A (en) * 1937-05-29 1939-08-29 Bell Telephone Labor Inc Multicathode ray discharge device
US2728873A (en) * 1953-01-13 1955-12-27 Gen Dynamics Corp Cathode ray control apparatus
FR1115673A (en) * 1954-12-02 1956-04-27 Csf Improvements to post-acceleration bi-curve oscilloscopes
DE1001404B (en) * 1955-12-06 1957-01-24 Philips Patentverwaltung Electron beam tubes for displaying two or more processes
US2939982A (en) * 1957-10-02 1960-06-07 Gen Dynamics Corp Cathode ray tube apparatus
GB1165002A (en) * 1965-09-25 1969-09-24 Emi Ltd Improvements relating to Cathode Ray Tubes and Focusing and Deflecting Arrangements Therefor.
FR2056162A5 (en) * 1969-07-28 1971-05-14 Tektronix Inc
US3681645A (en) * 1969-09-15 1972-08-01 Fairchild Camera Instr Co Cathode-ray character-display tube
US3670199A (en) * 1970-04-06 1972-06-13 Tektronix Inc Cathode ray tube having auxiliary deflection plate to correct pincushion distortion
US3694689A (en) * 1971-02-24 1972-09-26 Tektronix Inc Electron beam deflection apparatus
US3819984A (en) * 1973-02-12 1974-06-25 Tektronix Inc Side-by-side dual gun crt having horizontal deflector plates provided with side shields for correction of geometric distortion

Also Published As

Publication number Publication date
CA1044745A (en) 1978-12-19
JPS5117658A (en) 1976-02-12
US3921025A (en) 1975-11-18
DE2529505A1 (en) 1976-01-29
JPS5543577B2 (en) 1980-11-07
DE2529505C2 (en) 1985-03-07
FR2277431B1 (en) 1978-09-01
GB1505563A (en) 1978-03-30
NL7506542A (en) 1976-01-07
GB1505564A (en) 1978-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse