CA999639A - Method of directly spacing a cathode-to-grid assembly for a cathode-ray tube - Google Patents

Method of directly spacing a cathode-to-grid assembly for a cathode-ray tube

Info

Publication number
CA999639A
CA999639A CA185,070A CA185070A CA999639A CA 999639 A CA999639 A CA 999639A CA 185070 A CA185070 A CA 185070A CA 999639 A CA999639 A CA 999639A
Authority
CA
Canada
Prior art keywords
cathode
ray tube
grid assembly
directly spacing
spacing
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
CA185,070A
Other versions
CA185070S (en
Inventor
Leon L. Gruber
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA999639A publication Critical patent/CA999639A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2209/00—Apparatus and processes for manufacture of discharge tubes
    • H01J2209/18—Assembling together the component parts of the discharge tube
    • H01J2209/185—Machines therefor, e.g. electron gun assembling devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
CA185,070A 1972-11-06 1973-11-06 Method of directly spacing a cathode-to-grid assembly for a cathode-ray tube Expired CA999639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00304012A US3848301A (en) 1972-11-06 1972-11-06 Method of directly spacing a cathode-to-grid assembly for a cathode-ray tube

Publications (1)

Publication Number Publication Date
CA999639A true CA999639A (en) 1976-11-09

Family

ID=23174647

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,070A Expired CA999639A (en) 1972-11-06 1973-11-06 Method of directly spacing a cathode-to-grid assembly for a cathode-ray tube

Country Status (8)

Country Link
US (1) US3848301A (en)
JP (1) JPS5331593B2 (en)
CA (1) CA999639A (en)
DE (1) DE2355240C3 (en)
FR (1) FR2205738B1 (en)
GB (1) GB1453293A (en)
IT (1) IT996904B (en)
NL (1) NL179429C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143555U (en) * 1974-09-27 1976-03-31
US4170811A (en) * 1978-09-05 1979-10-16 Rca Corporation Method for coating cathode material on cathode substrate
US4176432A (en) * 1978-12-13 1979-12-04 Rca Corporation Method for establishing uniform cathode-to-grid spacing in an electron gun
DE3035970C2 (en) * 1980-09-24 1982-11-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Method for adjusting the electrode spacing in beam generation systems of cathode ray tubes
FR2612690B1 (en) * 1987-03-20 1989-05-26 Videocolor CATHODE IMPLANTATION MACHINE IN A CATHODE TUBE CANNON
FR2616268B1 (en) * 1987-06-05 1991-02-01 Videocolor CATHODE TUBE CATHODE LAYOUT MACHINE
FR2625837B1 (en) * 1988-01-13 1990-11-09 Videocolor IMPROVEMENT IN CATHODE LAYING MACHINES IN A CATHODE TUBE CANON
JPH03133023A (en) * 1989-10-16 1991-06-06 Hokuto Denshi Kogyo Kk Assembly of electron gun
US5295887A (en) * 1993-06-16 1994-03-22 Zenith Electronics Corporation K-G1 electrode spacing system for a CRT electron gun

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872609A (en) * 1957-06-14 1959-02-03 Sylvania Electric Prod Cathode-grid spacing means
US2864935A (en) * 1957-07-01 1958-12-16 Sylvania Electric Prod Apparatus for spacing and uniting parts
SU147602A1 (en) * 1960-02-03 1961-11-30 Ю.И. Гребень The method of assembling cathode-modulator node of the cathode-ray tube
US3114199A (en) * 1962-03-16 1963-12-17 Raytheon Co Assembly apparatus
US3533147A (en) * 1968-07-19 1970-10-13 Zenith Radio Corp Cathode inserting machine and process
US3643299A (en) * 1969-06-16 1972-02-22 Rca Corp Electron beam tube and method of adjusting the electrode spacing of an electron gun therein
US3667824A (en) * 1970-08-10 1972-06-06 Tokyo Shibaura Electric Co Method for adjusting the space between cathode and first plate grid electrodes in an electron gun member

Also Published As

Publication number Publication date
FR2205738A1 (en) 1974-05-31
IT996904B (en) 1975-12-10
DE2355240B2 (en) 1977-07-14
NL179429C (en) 1986-09-01
FR2205738B1 (en) 1977-05-27
US3848301A (en) 1974-11-19
DE2355240C3 (en) 1978-03-09
GB1453293A (en) 1976-10-20
JPS5331593B2 (en) 1978-09-04
DE2355240A1 (en) 1974-05-16
JPS4979666A (en) 1974-08-01
NL179429B (en) 1986-04-01
NL7315142A (en) 1974-05-08

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