GB2175132B - Color picture tube having improved shadow mask - Google Patents

Color picture tube having improved shadow mask

Info

Publication number
GB2175132B
GB2175132B GB8605930A GB8605930A GB2175132B GB 2175132 B GB2175132 B GB 2175132B GB 8605930 A GB8605930 A GB 8605930A GB 8605930 A GB8605930 A GB 8605930A GB 2175132 B GB2175132 B GB 2175132B
Authority
GB
United Kingdom
Prior art keywords
shadow mask
picture tube
color picture
improved shadow
improved
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
GB8605930A
Other versions
GB2175132A (en
GB8605930D0 (en
Inventor
Walter David Masterton
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 GB8605930D0 publication Critical patent/GB8605930D0/en
Publication of GB2175132A publication Critical patent/GB2175132A/en
Application granted granted Critical
Publication of GB2175132B publication Critical patent/GB2175132B/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
    • 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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
GB8605930A 1985-03-14 1986-03-11 Color picture tube having improved shadow mask Expired GB2175132B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71172185A 1985-03-14 1985-03-14

Publications (3)

Publication Number Publication Date
GB8605930D0 GB8605930D0 (en) 1986-04-16
GB2175132A GB2175132A (en) 1986-11-19
GB2175132B true GB2175132B (en) 1989-06-21

Family

ID=24859240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8605930A Expired GB2175132B (en) 1985-03-14 1986-03-11 Color picture tube having improved shadow mask

Country Status (17)

Country Link
JP (1) JPS61214332A (en)
KR (1) KR900005932B1 (en)
CN (1) CN1009512B (en)
BR (1) BR8601066A (en)
CA (1) CA1237465A (en)
CZ (1) CZ278553B6 (en)
DD (1) DD243586A5 (en)
DE (1) DE3608433A1 (en)
FR (1) FR2579018B1 (en)
GB (1) GB2175132B (en)
HK (1) HK60594A (en)
IN (1) IN165336B (en)
IT (1) IT1188569B (en)
MX (1) MX165247B (en)
PL (1) PL153713B1 (en)
RU (1) RU1775051C (en)
SG (1) SG20792G (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534746A (en) * 1995-06-06 1996-07-09 Thomson Consumer Electronics, Inc. Color picture tube having shadow mask with improved aperture spacing
JPH10241597A (en) * 1996-12-25 1998-09-11 Toshiba Electron Eng Corp Color television picture tube
CN1157751C (en) 2000-07-04 2004-07-14 东芝株式会社 Colour CRT

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889145A (en) * 1972-08-30 1975-06-10 Tokyo Shibaura Electric Co Color cathode ray tube with phosphor strips concave toward vertical center line
US3925700A (en) * 1973-12-10 1975-12-09 Nippon Electric Co Shadow mask for a black-stripe color picture tube having successively curved perforations
GB1460666A (en) * 1973-03-06 1977-01-06 Philips Electronic Associated Colour cathode-ray tube apparatus for joining two elements of metal or thermoplastics by friction welding
GB1578491A (en) * 1977-03-25 1980-11-05 Philips Nv Television display tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831372B1 (en) * 1969-05-31 1973-09-28
GB1435596A (en) * 1972-08-21 1976-05-12 Tokyo Shibaura Electric Co Method and apparatus for making colour cathode-ray tubes
US4136300A (en) * 1975-03-19 1979-01-23 Rca Corporation Cathode ray tube having improved shadow mask
GB1546889A (en) * 1975-03-19 1979-05-31 Rca Corp Cathode ray tube having shadow mask
DE2656995C2 (en) * 1976-12-16 1983-12-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Rectangular color selection mask for a color cathode ray tube
JPS55126945A (en) * 1979-03-23 1980-10-01 Mitsubishi Electric Corp Color cathode ray tube
JPS606067B2 (en) * 1980-12-02 1985-02-15 松下電子工業株式会社 color picture tube
JPS59165338A (en) * 1983-03-10 1984-09-18 Toshiba Corp Color picture tube
JPS59217930A (en) * 1983-05-24 1984-12-08 Mitsubishi Electric Corp Shadow mask type color cathode-ray tube
US4583022A (en) * 1984-05-31 1986-04-15 Rca Corporation Color picture tube having shadow mask with specific curvature and column aperture spacing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889145A (en) * 1972-08-30 1975-06-10 Tokyo Shibaura Electric Co Color cathode ray tube with phosphor strips concave toward vertical center line
GB1460666A (en) * 1973-03-06 1977-01-06 Philips Electronic Associated Colour cathode-ray tube apparatus for joining two elements of metal or thermoplastics by friction welding
US3925700A (en) * 1973-12-10 1975-12-09 Nippon Electric Co Shadow mask for a black-stripe color picture tube having successively curved perforations
GB1578491A (en) * 1977-03-25 1980-11-05 Philips Nv Television display tube

Also Published As

Publication number Publication date
GB2175132A (en) 1986-11-19
CZ169986A3 (en) 1993-12-15
IT1188569B (en) 1988-01-20
GB8605930D0 (en) 1986-04-16
MX165247B (en) 1992-11-04
DD243586A5 (en) 1987-03-04
BR8601066A (en) 1986-11-25
SG20792G (en) 1992-04-16
CZ278553B6 (en) 1994-03-16
DE3608433C2 (en) 1989-06-29
KR860007708A (en) 1986-10-15
JPH051574B2 (en) 1993-01-08
PL153713B1 (en) 1991-05-31
FR2579018A1 (en) 1986-09-19
CN86101478A (en) 1986-09-10
KR900005932B1 (en) 1990-08-16
FR2579018B1 (en) 1995-04-07
IT8619651A1 (en) 1987-09-07
DE3608433A1 (en) 1986-09-18
IT8619651A0 (en) 1986-03-07
JPS61214332A (en) 1986-09-24
IN165336B (en) 1989-09-23
HK60594A (en) 1994-07-08
CA1237465A (en) 1988-05-31
RU1775051C (en) 1992-11-07
CN1009512B (en) 1990-09-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20060310