JPS5796448A - Grid for cathode-ray tube - Google Patents

Grid for cathode-ray tube

Info

Publication number
JPS5796448A
JPS5796448A JP17361080A JP17361080A JPS5796448A JP S5796448 A JPS5796448 A JP S5796448A JP 17361080 A JP17361080 A JP 17361080A JP 17361080 A JP17361080 A JP 17361080A JP S5796448 A JPS5796448 A JP S5796448A
Authority
JP
Japan
Prior art keywords
frame
sides
grid elements
grid
opposed
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.)
Pending
Application number
JP17361080A
Other languages
Japanese (ja)
Inventor
Akio Ogoshi
Takuji Inoue
Koichi Sakai
Tsunenari Saito
Akira Nakayama
Yukio Nakamura
Kousuke Ichida
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP17361080A priority Critical patent/JPS5796448A/en
Priority to KR1019810000539A priority patent/KR830004768A/en
Publication of JPS5796448A publication Critical patent/JPS5796448A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Greenhouses (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

PURPOSE: To heighten the beam transmissivity, by laying metal wires in parallel with each other between the opposed sides of a rectangulat frame so that the metal wires extend on two different planes; and by insulating the metal wires on one plane from the frame.
CONSTITUTION: Grid elements G1, G2 made of metal wire 2 are laid in parallel with each other between the opposed sides 1a, 1b of a rectangular metal frame 1 and between its other opposed sides 1c, 1d. The grid elements G1, G2 are secured on the edges 1a1W1d1 of the sides of the frame 1 so that the grid elements are tightened. The height h1 of the opposed frame sides 1a, 1b is made different from that h2 of the other opposed frame sides 1c, 1d so that the grid elements G1, G2 extend on different planes. The grid elements G1 are electrically insulated from the frame 1 by insulating cement 3 to enable after-acceleration. According to this constitution, the grid interval can be increased to heighten the brilliance.
COPYRIGHT: (C)1982,JPO&Japio
JP17361080A 1980-12-03 1980-12-09 Grid for cathode-ray tube Pending JPS5796448A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP17361080A JPS5796448A (en) 1980-12-09 1980-12-09 Grid for cathode-ray tube
KR1019810000539A KR830004768A (en) 1980-12-03 1981-02-19 Switchgear of flexible screen in greenhouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17361080A JPS5796448A (en) 1980-12-09 1980-12-09 Grid for cathode-ray tube

Publications (1)

Publication Number Publication Date
JPS5796448A true JPS5796448A (en) 1982-06-15

Family

ID=15963792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17361080A Pending JPS5796448A (en) 1980-12-03 1980-12-09 Grid for cathode-ray tube

Country Status (2)

Country Link
JP (1) JPS5796448A (en)
KR (1) KR830004768A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195443A (en) * 1987-10-06 1989-04-13 Toshiba Corp Color cathode-ray tube of shadow mask type
EP0756306A1 (en) * 1995-07-26 1997-01-29 Thomson Consumer Electronics, Inc. Method of making a tensioned focus mask
WO2003017315A3 (en) * 2001-06-13 2003-10-23 Thomson Licensing Sa Mask support blade structure having an insert for a crt
US6683401B2 (en) * 2001-06-13 2004-01-27 Thomson Licensing S.A. Weld-free mask support blade structure
WO2003003401A3 (en) * 2001-06-27 2004-03-11 Thomson Licensing Sa Color picture tube having a low expansion tension mask attached to a higher expansion frame

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195443A (en) * 1987-10-06 1989-04-13 Toshiba Corp Color cathode-ray tube of shadow mask type
EP0756306A1 (en) * 1995-07-26 1997-01-29 Thomson Consumer Electronics, Inc. Method of making a tensioned focus mask
WO2003017315A3 (en) * 2001-06-13 2003-10-23 Thomson Licensing Sa Mask support blade structure having an insert for a crt
US6683401B2 (en) * 2001-06-13 2004-01-27 Thomson Licensing S.A. Weld-free mask support blade structure
US6873096B2 (en) 2001-06-13 2005-03-29 Thomson Licensing S.A. Mask support blade structure having an insert
WO2003003401A3 (en) * 2001-06-27 2004-03-11 Thomson Licensing Sa Color picture tube having a low expansion tension mask attached to a higher expansion frame

Also Published As

Publication number Publication date
KR830004768A (en) 1983-07-20

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