IT1096570B - Tubo a raggi catodici presentante una maschera d'ombra a gradini - Google Patents

Tubo a raggi catodici presentante una maschera d'ombra a gradini

Info

Publication number: IT1096570B
Authority: IT; Italy
Prior art keywords: shadow mask; cathode tube; cathode; tube; shadow
Prior art date: 1977-06-24

Application number

IT24609/78A

Other languages

English (en)

Other versions

IT7824609A0 (it

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.)

1977-06-24

Filing date

1978-06-15

Publication date

1985-08-26

1978-06-15 Application filed by Rca Corp filed Critical Rca Corp

1978-06-15 Publication of IT7824609A0 publication Critical patent/IT7824609A0/it

1985-08-26 Application granted granted Critical

1985-08-26 Publication of IT1096570B publication Critical patent/IT1096570B/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

IT24609/78A 1977-06-24 1978-06-15 Tubo a raggi catodici presentante una maschera d'ombra a gradini IT1096570B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/809,859 US4173729A (en)	1977-06-24	1977-06-24	Cathode-ray tube having a stepped shadow mask

Publications (2)

Publication Number	Publication Date
IT7824609A0 IT7824609A0 (it)	1978-06-15
IT1096570B true IT1096570B (it)	1985-08-26

Family

ID=25202367

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT24609/78A IT1096570B (it)	1977-06-24	1978-06-15	Tubo a raggi catodici presentante una maschera d'ombra a gradini

Country Status (8)

Country	Link
US (1)	US4173729A (it)
JP (2)	JPS5410662A (it)
CA (1)	CA1111893A (it)
DE (1)	DE2827690C3 (it)
FR (1)	FR2395591A1 (it)
GB (1)	GB2000367B (it)
IT (1)	IT1096570B (it)
PL (1)	PL117847B1 (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4293791A (en) *	1979-11-15	1981-10-06	Rca Corporation	Color picture tube having improved corrugated apertured mask
JPH0738295B2 (ja) *	1983-08-16	1995-04-26	株式会社東芝	カラー受像管
US4684867A (en) *	1984-05-31	1987-08-04	General Electric Company	Regenerative unipolar converter for switched reluctance motors using one main switching device per phase
JP2534644B2 (ja) *	1984-09-13	1996-09-18	株式会社東芝	カラ−受像管
US4697119A (en) *	1985-01-11	1987-09-29	Kabushiki Kaisha Toshiba	Color cathode ray tube having a non-spherical curved mask
JPS62222013A (ja) *	1986-03-22	1987-09-30	Kawasaki Heavy Ind Ltd	サイホン式転炉出鋼口の炉体取付装置
JP2774712B2 (ja) *	1991-09-19	1998-07-09	三菱電機株式会社	カラー受像管用シャドウマスクおよびその製造方法
TW305477U (en) *	1993-09-30	1997-05-11	Tokyo Shibaura Electric Co	Color cathode-ray yube
JPH11185650A (ja) *	1997-12-18	1999-07-09	Toshiba Corp	カラー受像管
JPH11233038A (ja)	1998-02-13	1999-08-27	Toshiba Corp	カラー受像管
JP2000011911A (ja) *	1998-06-26	2000-01-14	Hitachi Ltd	シャドウマスクを備えたカラー陰極線管
KR100838063B1 (ko) *	2002-01-23	2008-06-16	삼성에스디아이 주식회사	섀도우 마스크 프레임 조립체와 이를 가지는 칼라 음극선관

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1392502A (fr) *	1963-10-30	1965-03-19	Cft Comp Fse Television	Fonctionnement aux tubes récepteurs de télévision en couleurs
US3923566A (en) *	1972-06-21	1975-12-02	Rca Corp	Method of fabricating an apertured mask for a cathode-ray tube
JPS4965779A (it) *	1972-10-27	1974-06-26
US3944867A (en) *	1974-03-15	1976-03-16	Zenith Radio Corporation	Shadow mask having ribs bounding rectangular apertures
JPS5833652B2 (ja) *	1975-06-19	1983-07-21	株式会社東芝	カラ−ジユゾウカン
JPS53126466U (it) *	1977-03-09	1978-10-07

1977
- 1977-06-24 US US05/809,859 patent/US4173729A/en not_active Expired - Lifetime
1978
- 1978-06-15 IT IT24609/78A patent/IT1096570B/it active
- 1978-06-15 GB GB7827048A patent/GB2000367B/en not_active Expired
- 1978-06-16 CA CA305,659A patent/CA1111893A/en not_active Expired
- 1978-06-20 PL PL1978207769A patent/PL117847B1/pl unknown
- 1978-06-20 FR FR7818368A patent/FR2395591A1/fr active Pending
- 1978-06-23 DE DE2827690A patent/DE2827690C3/de not_active Expired
- 1978-06-23 JP JP7692678A patent/JPS5410662A/ja active Granted
1982
- 1982-02-19 JP JP57026730A patent/JPS57154750A/ja active Pending

Also Published As

Publication number	Publication date
US4173729A (en)	1979-11-06
GB2000367A (en)	1979-01-04
CA1111893A (en)	1981-11-03
JPS5736705B2 (it)	1982-08-05
IT7824609A0 (it)	1978-06-15
JPS57154750A (en)	1982-09-24
PL207769A1 (pl)	1979-04-09
DE2827690B2 (de)	1980-11-13
DE2827690A1 (de)	1979-01-04
FR2395591A1 (fr)	1979-01-19
JPS5410662A (en)	1979-01-26
DE2827690C3 (de)	1981-07-23
PL117847B1 (en)	1981-08-31
GB2000367B (en)	1982-01-06

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