FR1172720A - Improvements to color cathode ray tubes - Google Patents

Improvements to color cathode ray tubes

Info

Publication number
FR1172720A
FR1172720A FR1172720DA FR1172720A FR 1172720 A FR1172720 A FR 1172720A FR 1172720D A FR1172720D A FR 1172720DA FR 1172720 A FR1172720 A FR 1172720A
Authority
FR
France
Prior art keywords
cathode ray
color cathode
ray tubes
tubes
color
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
Other languages
French (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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR1172720A publication Critical patent/FR1172720A/en
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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/073—Mounting arrangements associated with shadow masks
    • 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
    • H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
    • H01J29/81—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching using shadow masks
FR1172720D 1956-03-01 1957-02-28 Improvements to color cathode ray tubes Expired FR1172720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US568862A US2971117A (en) 1956-03-01 1956-03-01 Color-kinescopes, etc.

Publications (1)

Publication Number Publication Date
FR1172720A true FR1172720A (en) 1959-02-13

Family

ID=24273029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172720D Expired FR1172720A (en) 1956-03-01 1957-02-28 Improvements to color cathode ray tubes

Country Status (3)

Country Link
US (1) US2971117A (en)
DE (1) DE1031344B (en)
FR (1) FR1172720A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2407565A1 (en) * 1977-10-27 1979-05-25 Philips Nv COLOR IMAGE TUBE AND ITS MANUFACTURING PROCESS

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102212A (en) * 1959-04-24 1963-08-27 Motorola Inc Cathode ray tube with low velocity deflection and post deflection beam acceleration
US3136910A (en) * 1961-07-24 1964-06-09 Zenith Radio Corp Color television tube with a magnetic focus-mask
NL149323B (en) * 1967-01-12 1976-04-15 Philips Nv ELECTRON BEAM TUBE FOR DISPLAYING COLOR IMAGES.
US3482140A (en) * 1967-02-27 1969-12-02 Robert S Coe Three-dimensional display apparatus
US3519869A (en) * 1967-04-11 1970-07-07 Victor Company Of Japan Shadow mask having apertures progressively tapered from center to periphery
US3804601A (en) * 1969-10-15 1974-04-16 Zenith Radio Corp Shadow mask blank for color cathode ray tube
US3653901A (en) * 1969-10-31 1972-04-04 Rca Corp Color kinescope production with a temporary mask
US3770434A (en) * 1971-10-15 1973-11-06 Rca Corp Method for making an image screen structure for an apertured-mask cathode-ray tube using a mask having temporary apertures
DE2165703A1 (en) * 1971-12-30 1973-07-12 Hitachi Ltd PUNCHED MASKS FOR COLOR TUBES
JPS493458U (en) * 1972-04-12 1974-01-12
NL7310372A (en) * 1973-07-26 1975-01-28 Philips Nv CATHOD BEAM TUBE FOR DISPLAYING COLORED IMAGES.
US3947302A (en) * 1973-08-29 1976-03-30 Mcdonnell Douglas Corporation Method of producing a spectral line rejection mirror
US4059781A (en) * 1974-07-17 1977-11-22 U.S. Philips Corporation Shadow mask each aperture of which is defined by a quadrupolar lens
NL7600419A (en) * 1976-01-16 1977-07-19 Philips Nv COLOR IMAGE TUBE AND METHOD OF MANUFACTURE THEREOF.
NL7600418A (en) * 1976-01-16 1977-07-19 Philips Nv METHOD FOR MANUFACTURING A COLOR IMAGE TUBE, COLOR IMAGE TUBE MADE IN ACCORDANCE WITH THE METHOD AND DEVICE FOR PERFORMING THE METHOD.
JPS57176648A (en) * 1981-04-24 1982-10-30 Toshiba Corp Shadow mask electrode for color picture tube
JPS581955A (en) * 1981-06-26 1983-01-07 Toshiba Corp Mask focusing type color picture tube
JPS5840733A (en) * 1981-09-02 1983-03-09 Toshiba Corp Molding method of mask for color picture tube
JPS5844645A (en) * 1981-09-10 1983-03-15 Toshiba Corp Method of molding mask for color picture tube
JPS5897243A (en) * 1981-12-03 1983-06-09 Toshiba Corp Manufacture of color picture tube mask
JPS5981838A (en) * 1982-11-01 1984-05-11 Toshiba Corp Color picture tube
US4621214A (en) * 1984-04-19 1986-11-04 Rca Corporation Color selection means having a charged insulator portion for a cathode-ray tube
US6674224B2 (en) * 2001-03-06 2004-01-06 Thomson Licensing S.A. Tension focus mask for a cathode-ray tube (CRT)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE428830A (en) * 1937-06-29
US2227087A (en) * 1937-06-30 1940-12-31 Siemens Ag Cathode ray tube
US2240186A (en) * 1938-11-30 1941-04-29 Rca Corp Electron discharge device
US2444221A (en) * 1942-09-25 1948-06-29 Invex Inc Television system
US2590764A (en) * 1950-02-23 1952-03-25 Rca Corp Color television image tube
US2584814A (en) * 1950-06-16 1952-02-05 Rca Corp Color television picture tube
US2580250A (en) * 1950-07-29 1951-12-25 Gen Electric Cathode-ray type of electron discharge device
US2777084A (en) * 1952-04-12 1957-01-08 Gen Electric Plastic electrode structure for electron tubes
US2741720A (en) * 1951-02-01 1956-04-10 Gen Electric Color television apparatus and methods
BE507367A (en) * 1950-11-25
NL176924B (en) * 1952-03-18 Colgate Palmolive Co HOLDER FILLED WITH PARTICULATE DETERGENT.
US2734146A (en) * 1953-07-21 1956-02-07 noskowicz
US2889483A (en) * 1954-09-01 1959-06-02 Sylvania Electric Prod Glass base grid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2407565A1 (en) * 1977-10-27 1979-05-25 Philips Nv COLOR IMAGE TUBE AND ITS MANUFACTURING PROCESS

Also Published As

Publication number Publication date
US2971117A (en) 1961-02-07
DE1031344B (en) 1958-06-04

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