IT1149866B - Tubo a raggi catodici perfezionato - Google Patents

Tubo a raggi catodici perfezionato

Info

Publication number
IT1149866B
IT1149866B IT26397/80A IT2639780A IT1149866B IT 1149866 B IT1149866 B IT 1149866B IT 26397/80 A IT26397/80 A IT 26397/80A IT 2639780 A IT2639780 A IT 2639780A IT 1149866 B IT1149866 B IT 1149866B
Authority
IT
Italy
Prior art keywords
perfected
cathodic tube
cathodic
tube
perfected cathodic
Prior art date
Application number
IT26397/80A
Other languages
English (en)
Other versions
IT8026397A0 (it
Inventor
Vernon David Beck
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT8026397A0 publication Critical patent/IT8026397A0/it
Application granted granted Critical
Publication of IT1149866B publication Critical patent/IT1149866B/it

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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • 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
    • H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes
IT26397/80A 1979-12-07 1980-12-03 Tubo a raggi catodici perfezionato IT1149866B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/101,338 US4338541A (en) 1979-12-07 1979-12-07 Multiple beam cathode ray tube having reduced off-axis aberrations

Publications (2)

Publication Number Publication Date
IT8026397A0 IT8026397A0 (it) 1980-12-03
IT1149866B true IT1149866B (it) 1986-12-10

Family

ID=22284121

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26397/80A IT1149866B (it) 1979-12-07 1980-12-03 Tubo a raggi catodici perfezionato

Country Status (6)

Country Link
US (1) US4338541A (it)
EP (1) EP0030270B1 (it)
JP (1) JPS6031064B2 (it)
CA (1) CA1147794A (it)
DE (1) DE3064967D1 (it)
IT (1) IT1149866B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616160A (en) * 1983-09-30 1986-10-07 Honeywell Information Systems Inc. Multiple beam high definition page display
US4528476A (en) * 1983-10-24 1985-07-09 Rca Corporation Cathode-ray tube having electron gun with three focus lenses
NL8501666A (nl) * 1985-06-10 1987-01-02 Philips Nv Multibundel-kathodestraalbuis en inrichting bevattende een dergelijke buis.
US4853601A (en) * 1987-11-02 1989-08-01 Tektronix, Inc. Multiple beam electron discharge tube having bipotential acceleration and convergence electrode structure

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581243A (en) * 1949-05-28 1952-01-01 Rca Corp Cathode of electron beam devices
US2776389A (en) * 1950-11-01 1957-01-01 Rca Corp Electron beam tubes
NL172717B (nl) * 1951-09-26 Western Electric Co Signaalontvanger voor het ontvangen van in frequentieof in fase verschoven signalen.
US2862144A (en) * 1958-03-21 1958-11-25 Gen Dynamics Corp Simplified system for character selection in a shaped beam tube
US3090884A (en) * 1960-03-07 1963-05-21 Eitel Mccullough Inc Electron gun
US3514663A (en) * 1967-01-14 1970-05-26 Sony Corp Cathode ray tube
US3543079A (en) * 1967-12-20 1970-11-24 Matsushita Electric Ind Co Ltd Device for correcting the path of an electron beam
US3639796A (en) * 1968-03-11 1972-02-01 Sony Corp Color convergence system having elongated magnets perpendicular to plane of plural beams
JPS4814384B1 (it) * 1968-11-19 1973-05-07
US4119883A (en) * 1969-06-30 1978-10-10 Sony Corporation Cathode ray tube
US3927341A (en) * 1969-09-12 1975-12-16 Rca Corp Cathode ray tube gun having nested electrode assembly
US3633065A (en) * 1969-10-21 1972-01-04 Stromberg Datagraphix Inc Shaped beam tube
US3742276A (en) * 1972-03-30 1973-06-26 Electronic Eng Inc Ind Cathode ray tube with rear projection readout
US3843902A (en) * 1972-08-24 1974-10-22 Varian Associates Gridded convergent flow electron gun
US3778659A (en) * 1972-09-01 1973-12-11 Gen Electric Inverted image multibeam cathode ray tube
US3798478A (en) * 1972-09-14 1974-03-19 Gte Sylvania Inc Multibeam cathode ray tube having a common beam limiting aperture therein

Also Published As

Publication number Publication date
IT8026397A0 (it) 1980-12-03
US4338541A (en) 1982-07-06
EP0030270B1 (en) 1983-09-21
EP0030270A1 (en) 1981-06-17
JPS6031064B2 (ja) 1985-07-19
JPS5682550A (en) 1981-07-06
CA1147794A (en) 1983-06-07
DE3064967D1 (en) 1983-10-27

Similar Documents

Publication Publication Date Title
ES491187A0 (es) Un tubo de rayos x perfeccionado
IT1055315B (it) Cannone elettronico perfezionato per tubo a raggi catodici
ES490026A0 (es) Un tubo de rayos x perfeccionado
ES494788A0 (es) Pistola manual perfeccionada
ES492099A0 (es) Un transformador perfeccionado
ES489201A0 (es) Un arma de fuego perfeccionada
BE876396R (fr) Pistolet perfectionne
IT7826214A0 (it) Amperometro a tenaglia.
FR2305017A1 (fr) Tube cathodique a masque perfectionne
ES491797A0 (es) Un tubo de presentacion en color,perfeccionado
IT1114341B (it) Tubo a raggi x
IT1095208B (it) Tubo a raggi x
IT1149923B (it) Tubo di visualizzazione perfezionato
ES505571A0 (es) Un tubo de rayos catodicos,perfeccionado
IT1149866B (it) Tubo a raggi catodici perfezionato
IT1149949B (it) Tubo a raggi catodici perfezionato
SE405163B (sv) Snabbkopplingsdon for tryckmedietet hopkoppling med en rorende
ES490328A0 (es) Un transformador perfeccionado
IT1132810B (it) Tubo a raggi catodici
IT1095210B (it) Tubo a raggi x
BR7903295A (pt) Grampo para tubo
IT1134787B (it) Tubo a raggi catodici
FR2446618B1 (fr) Brosses a dents couplees
IT1100154B (it) Fermaglio a morsetto
ES243438Y (es) Tubo perfeccionado.