NL7805462A - Kathodestraalbuis met een van spanningen ontlast, van spleetopeningen voorzien schaduwmasker. - Google Patents

Kathodestraalbuis met een van spanningen ontlast, van spleetopeningen voorzien schaduwmasker.

Info

Publication number: NL7805462A
Authority: NL; Netherlands
Prior art keywords: cathod; shadow mask; beam tube; gap opened; voltage relief
Prior art date: 1977-05-20

Application number

NL7805462A

Other languages

English (en)

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.)

1977-05-20

Filing date

1978-05-19

Publication date

1978-11-22

1978-05-19 Application filed by Rca Corp filed Critical Rca Corp

1978-11-22 Publication of NL7805462A publication Critical patent/NL7805462A/nl

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

NL7805462A 1977-05-20 1978-05-19 Kathodestraalbuis met een van spanningen ontlast, van spleetopeningen voorzien schaduwmasker. NL7805462A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/799,078 US4131822A (en)	1977-05-20	1977-05-20	Cathode ray tube with stress-relieved slot-aperture shadow mask

Publications (1)

Publication Number	Publication Date
NL7805462A true NL7805462A (nl)	1978-11-22

Family

ID=25174991

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7805462A NL7805462A (nl)	1977-05-20	1978-05-19	Kathodestraalbuis met een van spanningen ontlast, van spleetopeningen voorzien schaduwmasker.

Country Status (15)

Country	Link
US (1)	US4131822A (nl)
JP (1)	JPS53145469A (nl)
AT (1)	AT372804B (nl)
AU (1)	AU3582378A (nl)
BR (1)	BR7803062A (nl)
CA (1)	CA1111489A (nl)
DE (1)	DE2822016C3 (nl)
ES (1)	ES469770A1 (nl)
FI (1)	FI781510A (nl)
FR (1)	FR2391554A1 (nl)
GB (1)	GB1597926A (nl)
IT (1)	IT1096227B (nl)
MX (1)	MX4198E (nl)
NL (1)	NL7805462A (nl)
PL (1)	PL117549B1 (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4300069A (en) *	1979-12-18	1981-11-10	Rca Corporation	Color picture tube having improved slit type shadow mask and method of making same
US5243253A (en) *	1991-07-30	1993-09-07	Thomson Consumer Electronics, Inc.	Color picture tube having shadow mask with improved tie bar grading
EP0841679B1 (en) *	1996-11-11	2003-02-12	Kabushiki Kaisha Toshiba	Shadow mask and method of manufacturing the same
JP2002110063A (ja) *	2000-09-28	2002-04-12	Dainippon Printing Co Ltd	シャドウマスク
US6674224B2 (en) *	2001-03-06	2004-01-06	Thomson Licensing S.A.	Tension focus mask for a cathode-ray tube (CRT)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3653900A (en) *	1969-08-15	1972-04-04	Zenith Radio Corp	Selective etching process for changing shadow-mask aperture size
US3916243A (en) *	1974-09-20	1975-10-28	Buckbee Mears Co	Channeled shadow mask
US4048536A (en) *	1976-03-18	1977-09-13	Buckbee-Mears Company	Shadow mask with plurality of recessed regions extending across mask in two directions

1977
- 1977-05-20 US US05/799,078 patent/US4131822A/en not_active Expired - Lifetime
1978
- 1978-05-05 AU AU35823/78A patent/AU3582378A/en active Pending
- 1978-05-09 MX MX78100598U patent/MX4198E/es unknown
- 1978-05-12 GB GB19160/78A patent/GB1597926A/en not_active Expired
- 1978-05-12 FI FI781510A patent/FI781510A/fi not_active Application Discontinuation
- 1978-05-12 ES ES469770A patent/ES469770A1/es not_active Expired
- 1978-05-16 CA CA303,496A patent/CA1111489A/en not_active Expired
- 1978-05-16 BR BR7803062A patent/BR7803062A/pt unknown
- 1978-05-17 IT IT23526/78A patent/IT1096227B/it active
- 1978-05-19 FR FR7814843A patent/FR2391554A1/fr active Granted
- 1978-05-19 AT AT0367178A patent/AT372804B/de not_active IP Right Cessation
- 1978-05-19 JP JP6055578A patent/JPS53145469A/ja active Granted
- 1978-05-19 NL NL7805462A patent/NL7805462A/nl not_active Application Discontinuation
- 1978-05-19 DE DE2822016A patent/DE2822016C3/de not_active Expired
- 1978-05-20 PL PL1978206969A patent/PL117549B1/pl unknown

Also Published As

Publication number	Publication date
JPS53145469A (en)	1978-12-18
FR2391554B1 (nl)	1983-04-22
MX4198E (es)	1982-01-26
FI781510A (fi)	1978-11-21
AT372804B (de)	1983-11-25
ES469770A1 (es)	1979-01-01
IT1096227B (it)	1985-08-26
CA1111489A (en)	1981-10-27
US4131822A (en)	1978-12-26
FR2391554A1 (fr)	1978-12-15
JPS5747539B2 (nl)	1982-10-09
AU3582378A (en)	1979-11-08
PL117549B1 (en)	1981-08-31
PL206969A1 (pl)	1979-02-12
GB1597926A (en)	1981-09-16
BR7803062A (pt)	1979-01-02
IT7823526A0 (it)	1978-05-17
ATA367178A (de)	1983-03-15
DE2822016B2 (de)	1979-11-08
DE2822016A1 (de)	1978-11-23
DE2822016C3 (de)	1980-07-24

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Legal Events

Date	Code	Title
1985-01-01	A85	Still pending on 85-01-01
1985-07-01	BA	A request for search or an international-type search has been filed
1985-07-01	BB	A search report has been drawn up
1985-12-02	BC	A request for examination has been filed
1988-01-04	BV	The patent application has lapsed