IT1124917B - Tubo a raggi catodici dotato di uno schermo con bordi migliorati - Google Patents

Tubo a raggi catodici dotato di uno schermo con bordi migliorati

Info

Publication number: IT1124917B
Authority: IT; Italy
Prior art keywords: screen; cathode tube; tube equipped; improved edges; edges
Prior art date: 1978-11-30

Application number

IT27045/79A

Other languages

English (en)

Other versions

IT7927045A0 (it

Inventor

Richard Hugh Godfrey

James Ozmun Peck

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.)

1978-11-30

Filing date

1979-11-05

Publication date

1986-05-14

1979-11-05 Application filed by Rca Corp filed Critical Rca Corp

1979-11-05 Publication of IT7927045A0 publication Critical patent/IT7927045A0/it

1986-05-14 Application granted granted Critical

1986-05-14 Publication of IT1124917B publication Critical patent/IT1124917B/it

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

IT27045/79A 1978-11-30 1979-11-05 Tubo a raggi catodici dotato di uno schermo con bordi migliorati IT1124917B (it)

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
IT7927045A0 IT7927045A0 (it)	1979-11-05
IT1124917B true IT1124917B (it)	1986-05-14

Family

ID=26724763

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT27045/79A IT1124917B (it)	1978-11-30	1979-11-05	Tubo a raggi catodici dotato di uno schermo con bordi migliorati

Country Status (10)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8104894A (nl) *	1981-10-29	1983-05-16	Philips Nv	Kleurenbeeldbuis.
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5129635B2 (it) *	1971-09-21	1976-08-26
IT978853B (it) *	1972-02-07	1974-09-20	Hitachi Ltd	Tubi catodi a colori
US3766419A (en) *	1972-11-10	1973-10-16	Rca Corp	Cathode-ray tube with shadow mask having random web distribution
NL7303077A (it) *	1973-03-06	1974-09-10
JPS5248463A (en) *	1975-08-18	1977-04-18	Hitachi Ltd	Color braun tube
JPS584425B2 (ja) *	1976-04-14	1983-01-26	株式会社日立製作所	カラ−ブラウン管
US4210842A (en) *	1975-09-10	1980-07-01	Hitachi, Ltd.	Color picture tube with shadow mask
DE2656995C2 (de) *	1976-12-16	1983-12-01	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Rechteckförmige Farbwahlmaske für eine Farbbildkathodenstrahlröhre
DE2841286A1 (de) *	1978-09-22	1980-04-10	Licentia Gmbh	Farbbildkathodenstrahlroehre mit rechteckfoermigem leuchtschirm

1979
- 1979-06-11 US US06/047,218 patent/US4300070A/en not_active Expired - Lifetime
- 1979-11-05 IT IT27045/79A patent/IT1124917B/it active
- 1979-11-09 BR BR7907264A patent/BR7907264A/pt unknown
- 1979-11-13 FR FR7927908A patent/FR2443135A1/fr active Granted
- 1979-11-21 CA CA000340318A patent/CA1147009A/en not_active Expired
- 1979-11-29 GB GB7941268A patent/GB2038542B/en not_active Expired
- 1979-11-30 PL PL1979220029A patent/PL131333B1/pl unknown
- 1979-11-30 DE DE2948361A patent/DE2948361C2/de not_active Expired
- 1979-11-30 SU SU792848498A patent/SU1189357A3/ru active
1987
- 1987-08-27 HK HK627/87A patent/HK62787A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
SU1189357A3 (ru)	1985-10-30
PL131333B1 (en)	1984-10-31
US4300070A (en)	1981-11-10
BR7907264A (pt)	1980-07-22
HK62787A (en)	1987-09-04
CA1147009A (en)	1983-05-24
DE2948361C2 (de)	1985-08-08
GB2038542B (en)	1983-03-02
DE2948361A1 (de)	1980-06-04
FR2443135B1 (it)	1984-12-28
PL220029A1 (it)	1980-08-11
IT7927045A0 (it)	1979-11-05
GB2038542A (en)	1980-07-23
FR2443135A1 (fr)	1980-06-27

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