GB2125210B - Crt with quadrupolar-focusing color-selection structure - Google Patents

Crt with quadrupolar-focusing color-selection structure

Info

Publication number
GB2125210B
GB2125210B GB08320794A GB8320794A GB2125210B GB 2125210 B GB2125210 B GB 2125210B GB 08320794 A GB08320794 A GB 08320794A GB 8320794 A GB8320794 A GB 8320794A GB 2125210 B GB2125210 B GB 2125210B
Authority
GB
United Kingdom
Prior art keywords
quadrupolar
crt
selection structure
focusing color
focusing
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
GB08320794A
Other languages
English (en)
Other versions
GB2125210A (en
GB8320794D0 (en
Inventor
Stanley Bloom
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
Publication of GB8320794D0 publication Critical patent/GB8320794D0/en
Publication of GB2125210A publication Critical patent/GB2125210A/en
Application granted granted Critical
Publication of GB2125210B publication Critical patent/GB2125210B/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
    • H01J29/46—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
GB08320794A 1982-08-11 1983-08-02 Crt with quadrupolar-focusing color-selection structure Expired GB2125210B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/407,276 US4464601A (en) 1982-08-11 1982-08-11 CRT with quadrupolar-focusing color-selection structure

Publications (3)

Publication Number Publication Date
GB8320794D0 GB8320794D0 (en) 1983-09-01
GB2125210A GB2125210A (en) 1984-02-29
GB2125210B true GB2125210B (en) 1985-12-04

Family

ID=23611347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08320794A Expired GB2125210B (en) 1982-08-11 1983-08-02 Crt with quadrupolar-focusing color-selection structure

Country Status (7)

Country Link
US (1) US4464601A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5949140A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1200273A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3328884A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2531809B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2125210B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1170188B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5646478A (en) * 1995-07-26 1997-07-08 Thomson Multimedia, S. A. Uniaxial tension focus mask for a color CRT with electrical connection means
US5647653A (en) * 1995-07-26 1997-07-15 Rca Thomson Licensing Corp. Uniaxial tension focus mask materials
WO2003085687A2 (en) * 2002-04-04 2003-10-16 Thomson Licensing S.A. Dynamic focus voltage for a focus mask

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046262A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-29 1975-04-24
US4059781A (en) * 1974-07-17 1977-11-22 U.S. Philips Corporation Shadow mask each aperture of which is defined by a quadrupolar lens
NL7600420A (nl) * 1976-01-16 1977-07-19 Philips Nv Elektrische ontladingsinrichting.
NL7600417A (nl) * 1976-01-16 1977-07-19 Philips Nv Werkwijze voor het vervaardigen van een kathode- straalbuis voor het weergeven van gekleurde beel- den.
US4112563A (en) * 1977-01-13 1978-09-12 U.S. Philips Corporation Color display tube and method of manufacturing same
NL7704130A (nl) * 1977-04-15 1978-10-17 Philips Nv Kleurenbeeldbuis.
US4316126A (en) * 1979-11-23 1982-02-16 Rca Corporation Color television picture tube with color-selection structure and method of operation thereof
US4350922A (en) * 1980-06-20 1982-09-21 Rca Corporation Multicolor cathode-ray tube with quadrupolar focusing color-selection structure
US4311944A (en) * 1980-06-27 1982-01-19 Rca Corporation CRT With dipolar deflection and quadrupolar-focusing color-selection structure
JPS5769650A (en) * 1980-10-17 1982-04-28 Toshiba Corp Color picture tube and manufacture
US4427918A (en) * 1981-01-26 1984-01-24 Rca Corporation Focusing color-selection structure for a CRT
JPS57163955A (en) * 1981-02-25 1982-10-08 Toshiba Corp Mask focusing type color picture tube
JPS581955A (ja) * 1981-06-26 1983-01-07 Toshiba Corp マスク集束型カラ−受像管

Also Published As

Publication number Publication date
CA1200273A (en) 1986-02-04
US4464601A (en) 1984-08-07
GB2125210A (en) 1984-02-29
IT8322356A0 (it) 1983-07-29
DE3328884C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-02
DE3328884A1 (de) 1984-02-16
FR2531809B1 (fr) 1987-01-02
FR2531809A1 (fr) 1984-02-17
GB8320794D0 (en) 1983-09-01
IT1170188B (it) 1987-06-03
JPS5949140A (ja) 1984-03-21
JPS6367310B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-12-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee