FR2443135A1 - Perfectionnements apportes a la fabrication de masques perfores pour tubes a rayons cathodiques - Google Patents

Perfectionnements apportes a la fabrication de masques perfores pour tubes a rayons cathodiques

Info

Publication number
FR2443135A1
FR2443135A1 FR7927908A FR7927908A FR2443135A1 FR 2443135 A1 FR2443135 A1 FR 2443135A1 FR 7927908 A FR7927908 A FR 7927908A FR 7927908 A FR7927908 A FR 7927908A FR 2443135 A1 FR2443135 A1 FR 2443135A1
Authority
FR
France
Prior art keywords
mask
columns
cathode ray
center
manufacture
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.)
Granted
Application number
FR7927908A
Other languages
English (en)
French (fr)
Other versions
FR2443135B1 (enExample
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 FR2443135A1 publication Critical patent/FR2443135A1/fr
Application granted granted Critical
Publication of FR2443135B1 publication Critical patent/FR2443135B1/fr
Granted 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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
FR7927908A 1978-11-30 1979-11-13 Perfectionnements apportes a la fabrication de masques perfores pour tubes a rayons cathodiques Granted FR2443135A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96524078A 1978-11-30 1978-11-30
US06/047,218 US4300070A (en) 1978-11-30 1979-06-11 Cathode-ray tube screen border improvement

Publications (2)

Publication Number Publication Date
FR2443135A1 true FR2443135A1 (fr) 1980-06-27
FR2443135B1 FR2443135B1 (enExample) 1984-12-28

Family

ID=26724763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927908A Granted FR2443135A1 (fr) 1978-11-30 1979-11-13 Perfectionnements apportes a la fabrication de masques perfores pour tubes a rayons cathodiques

Country Status (10)

Country Link
US (1) US4300070A (enExample)
BR (1) BR7907264A (enExample)
CA (1) CA1147009A (enExample)
DE (1) DE2948361C2 (enExample)
FR (1) FR2443135A1 (enExample)
GB (1) GB2038542B (enExample)
HK (1) HK62787A (enExample)
IT (1) IT1124917B (enExample)
PL (1) PL131333B1 (enExample)
SU (1) SU1189357A3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078573A1 (en) * 1981-10-29 1983-05-11 Koninklijke Philips Electronics N.V. Colour display tube

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1461377A3 (ru) * 1984-05-25 1989-02-23 Рка Корпорейшн (Фирма) Цветной кинескоп
US4631440A (en) * 1985-04-29 1986-12-23 North American Philips Consumer Electronics Corp. Color cathode ray tube having smooth screen edges
GB8708574D0 (en) * 1987-04-10 1987-05-13 Philips Nv Colour cathode ray tube
US5030881A (en) * 1990-07-02 1991-07-09 Rca Licensing Corporation Color picture tube with shadow mask having improved aperture border
US5583391A (en) 1995-11-15 1996-12-10 Thomson Consumer Electronics, Inc. Color picture tube shadow mask having improved mask aperture pattern
KR100389540B1 (ko) * 2001-01-31 2003-06-27 주식회사 엘지이아이 개선된 슬롯형상의 새도우마스크를 가지는 칼라 음극선관

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766419A (en) * 1972-11-10 1973-10-16 Rca Corp Cathode-ray tube with shadow mask having random web distribution
FR2324117A1 (fr) * 1975-09-10 1977-04-08 Hitachi Ltd Tube image pour television en couleurs pourvu d'un masque perfore
JPS5248463A (en) * 1975-08-18 1977-04-18 Hitachi Ltd Color braun tube
JPS52125268A (en) * 1976-04-14 1977-10-20 Hitachi Ltd Color brown tube
DE2656995A1 (de) * 1976-12-16 1978-10-05 Licentia Gmbh Farbbildkathodenstrahlroehre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129635B2 (enExample) * 1971-09-21 1976-08-26
IT978853B (it) * 1972-02-07 1974-09-20 Hitachi Ltd Tubi catodi a colori
NL7303077A (enExample) * 1973-03-06 1974-09-10
DE2841286A1 (de) * 1978-09-22 1980-04-10 Licentia Gmbh Farbbildkathodenstrahlroehre mit rechteckfoermigem leuchtschirm

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766419A (en) * 1972-11-10 1973-10-16 Rca Corp Cathode-ray tube with shadow mask having random web distribution
JPS5248463A (en) * 1975-08-18 1977-04-18 Hitachi Ltd Color braun tube
FR2324117A1 (fr) * 1975-09-10 1977-04-08 Hitachi Ltd Tube image pour television en couleurs pourvu d'un masque perfore
JPS52125268A (en) * 1976-04-14 1977-10-20 Hitachi Ltd Color brown tube
DE2656995A1 (de) * 1976-12-16 1978-10-05 Licentia Gmbh Farbbildkathodenstrahlroehre

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol.1, no.116, 4 octobre 1977, page 4516E77 & JP - A - 52 48463 (HITACHI SEISAKUSHO K.K.)(18-04-1977) *
PATENT ABSTRACTS OF JAPAN, vol.2, no.10, 25 janvier 1978, page 10300E77 & JP - A - 52 125 268 (HITACHI SEISAKUSHO K.K.)(20-10-1977) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078573A1 (en) * 1981-10-29 1983-05-11 Koninklijke Philips Electronics N.V. Colour display tube

Also Published As

Publication number Publication date
US4300070A (en) 1981-11-10
GB2038542A (en) 1980-07-23
PL131333B1 (en) 1984-10-31
IT1124917B (it) 1986-05-14
DE2948361C2 (de) 1985-08-08
CA1147009A (en) 1983-05-24
FR2443135B1 (enExample) 1984-12-28
PL220029A1 (enExample) 1980-08-11
BR7907264A (pt) 1980-07-22
GB2038542B (en) 1983-03-02
DE2948361A1 (de) 1980-06-04
SU1189357A3 (ru) 1985-10-30
HK62787A (en) 1987-09-04
IT7927045A0 (it) 1979-11-05

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse