GB1388231A - Colour picture tubes - Google Patents

Colour picture tubes

Info

Publication number
GB1388231A
GB1388231A GB1728573A GB1728573A GB1388231A GB 1388231 A GB1388231 A GB 1388231A GB 1728573 A GB1728573 A GB 1728573A GB 1728573 A GB1728573 A GB 1728573A GB 1388231 A GB1388231 A GB 1388231A
Authority
GB
United Kingdom
Prior art keywords
coating
colour
april
improve
picture tubes
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
GB1728573A
Other languages
English (en)
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1388231A publication Critical patent/GB1388231A/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
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0777—Coatings

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
GB1728573A 1972-04-12 1973-04-11 Colour picture tubes Expired GB1388231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972042437U JPS493458U (zh) 1972-04-12 1972-04-12

Publications (1)

Publication Number Publication Date
GB1388231A true GB1388231A (en) 1975-03-26

Family

ID=12636035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1728573A Expired GB1388231A (en) 1972-04-12 1973-04-11 Colour picture tubes

Country Status (7)

Country Link
US (1) US3885190A (zh)
JP (1) JPS493458U (zh)
CA (1) CA976222A (zh)
DE (1) DE2318546C3 (zh)
FR (1) FR2180047B1 (zh)
GB (1) GB1388231A (zh)
IT (1) IT986059B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109859A (en) * 1975-07-03 1977-09-14 Mitsubishi Electric Corp Color cathode ray tube
JPS5465471A (en) * 1977-11-04 1979-05-26 Hitachi Ltd Color picture tube
JPS5576553A (en) * 1978-12-05 1980-06-09 Mitsubishi Electric Corp Color braun tube
US4292565A (en) * 1979-04-19 1981-09-29 Tokyo Shibaura Denki Kabushiki Kaisha Shadow mask assembly for a cathode ray tube
US4339687A (en) * 1980-05-29 1982-07-13 General Electric Company Shadow mask having a layer of high atomic number material on gun side
DE4118734A1 (de) * 1991-06-07 1992-12-10 Nokia Deutschland Gmbh Schattenmaske fuer bildroehren
EP0719446B1 (en) * 1994-07-18 2003-02-19 Koninklijke Philips Electronics N.V. Thin-panel picture display device
KR100373840B1 (ko) * 1995-11-08 2003-05-01 삼성에스디아이 주식회사 칼라수상관용새도우마스크의그제조방법
JP2000502499A (ja) * 1996-10-11 2000-02-29 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ カラー陰極線管と色選択電極を製造する方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663821A (en) * 1951-06-16 1953-12-22 Rca Corp Masked target kinescope
US2971117A (en) * 1956-03-01 1961-02-07 Rca Corp Color-kinescopes, etc.
US3231380A (en) * 1960-11-14 1966-01-25 Rca Corp Art of making electron-optical reticles

Also Published As

Publication number Publication date
FR2180047A1 (zh) 1973-11-23
US3885190A (en) 1975-05-20
IT986059B (it) 1975-01-10
DE2318546C3 (de) 1979-09-27
FR2180047B1 (zh) 1978-02-17
DE2318546B2 (de) 1979-01-25
CA976222A (en) 1975-10-14
DE2318546A1 (de) 1973-10-31
JPS493458U (zh) 1974-01-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee