CA1108683A - Electron gun exhibiting reduced flare - Google Patents

Electron gun exhibiting reduced flare

Info

Publication number: CA1108683A
Authority: CA; Canada
Prior art keywords: accelerating; screen; gun; electron gun; electron
Prior art date: 1977-11-17
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.): Expired

Application number

CA313,898A

Other languages

English (en)

French (fr)

Inventor

Richard H. Hughes

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.)

1977-11-17

Filing date

1978-10-23

Publication date

1981-09-08

1978-10-23 Application filed by RCA Corp filed Critical RCA Corp

1981-09-08 Application granted granted Critical

1981-09-08 Publication of CA1108683A publication Critical patent/CA1108683A/en

Status Expired legal-status Critical Current

Links

230000001747 exhibiting effect Effects 0.000 title abstract 2
239000000696 magnetic material Substances 0.000 claims abstract description 17
239000000463 material Substances 0.000 claims abstract description 7
238000010894 electron beam technology Methods 0.000 claims description 17
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
238000010348 incorporation Methods 0.000 claims 1
230000004907 flux Effects 0.000 description 10
239000011521 glass Substances 0.000 description 6
238000000576 coating method Methods 0.000 description 3
230000002093 peripheral effect Effects 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
230000004075 alteration Effects 0.000 description 2
230000004323 axial length Effects 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
230000005684 electric field Effects 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
238000004804 winding Methods 0.000 description 2
206010010071 Coma Diseases 0.000 description 1
239000000956 alloy Substances 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005686 electrostatic field Effects 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
230000035699 permeability Effects 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1

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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes

Landscapes

Video Image Reproduction Devices For Color Tv Systems (AREA)

CA313,898A 1977-11-17 1978-10-23 Electron gun exhibiting reduced flare Expired CA1108683A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US85245077A	1977-11-17	1977-11-17
US852,450		1977-11-17

Publications (1)

Publication Number	Publication Date
CA1108683A true CA1108683A (en)	1981-09-08

Family

ID=25313363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA313,898A Expired CA1108683A (en)	1977-11-17	1978-10-23	Electron gun exhibiting reduced flare

Country Status (4)

Country	Link
CA (1)	CA1108683A (es)
FR (1)	FR2409595A1 (es)
IT (1)	IT1099542B (es)
MX (1)	MX148052A (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4952186A (en) *	1989-10-24	1990-08-28	Rca Licensing Corporation	Method of making a color picture tube electron gun with reduced convergence drift
US5010271A (en) *	1989-10-24	1991-04-23	Rca Licensing Corporation	Color picture tube having an electron gun with reduced convergence drift

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0821338B2 (ja) *	1987-01-26	1996-03-04	株式会社日立製作所	カラ−受像管用電子銃

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3020434A (en) *	1958-12-08	1962-02-06	Philco Corp	Self shielding electron gun and cathode ray tube system including same
US3047758A (en) *	1959-12-01	1962-07-31	Machlett Laboraotries Inc	Cathode ray tubes
US3873879A (en) *	1972-01-14	1975-03-25	Rca Corp	In-line electron gun

1978
- 1978-10-23 CA CA313,898A patent/CA1108683A/en not_active Expired
- 1978-10-26 IT IT29155/78A patent/IT1099542B/it active
- 1978-10-27 MX MX175402A patent/MX148052A/es unknown
- 1978-11-16 FR FR7832333A patent/FR2409595A1/fr active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4952186A (en) *	1989-10-24	1990-08-28	Rca Licensing Corporation	Method of making a color picture tube electron gun with reduced convergence drift
US5010271A (en) *	1989-10-24	1991-04-23	Rca Licensing Corporation	Color picture tube having an electron gun with reduced convergence drift

Also Published As

Publication number	Publication date
IT1099542B (it)	1985-09-18
FR2409595B1 (es)	1984-02-10
MX148052A (es)	1983-03-09
FR2409595A1 (fr)	1979-06-15
IT7829155A0 (it)	1978-10-26

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Legal Events

Date	Code	Title	Description
1998-09-08	MKEX	Expiry