CH491495A - Cathode ray generating system with replaceable cathode - Google Patents

Cathode ray generating system with replaceable cathode

Info

Publication number: CH491495A
Authority: CH; Switzerland
Prior art keywords: cathode; generating system; replaceable; ray generating; cathode ray
Prior art date: 1968-05-15

Application number

CH717468A

Other languages

German (de)

Inventor

Hogg Heinrich

Original Assignee

Eidophor Ag

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.)

1968-05-15

Filing date

1968-05-15

Publication date

1970-05-31

1968-05-15 Application filed by Eidophor Ag filed Critical Eidophor Ag

1968-05-15 Priority to CH717468A priority Critical patent/CH491495A/en

1969-05-08 Priority to US822922A priority patent/US3588574A/en

1969-05-08 Priority to DE1923590A priority patent/DE1923590C3/en

1969-05-12 Priority to GB24174/69A priority patent/GB1236306A/en

1970-05-31 Publication of CH491495A publication Critical patent/CH491495A/en

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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/865—Vacuum locks
- 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
- H01J29/487—Replacing parts of the gun; Relative adjustment of the electrodes

CH717468A 1968-05-15 1968-05-15 Cathode ray generating system with replaceable cathode CH491495A (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
CH717468A CH491495A (en)	1968-05-15	1968-05-15	Cathode ray generating system with replaceable cathode
US822922A US3588574A (en)	1968-05-15	1969-05-08	Cathode-ray device with a replaceable cathode
DE1923590A DE1923590C3 (en)	1968-05-15	1969-05-08	Cathode ray generating system with replaceable cathode
GB24174/69A GB1236306A (en)	1968-05-15	1969-05-12	Electron-gun system having a replaceable cathode

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH717468A CH491495A (en)	1968-05-15	1968-05-15	Cathode ray generating system with replaceable cathode

Publications (1)

Publication Number	Publication Date
CH491495A true CH491495A (en)	1970-05-31

Family

ID=4321055

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH717468A CH491495A (en)	1968-05-15	1968-05-15	Cathode ray generating system with replaceable cathode

Country Status (4)

Country	Link
US (1)	US3588574A (en)
CH (1)	CH491495A (en)
DE (1)	DE1923590C3 (en)
GB (1)	GB1236306A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE759019A (en) *	1969-11-27	1971-05-17	Cilas	DISCHARGE TUBE
JPS5433512B2 (en) *	1972-05-22	1979-10-20
US4748369A (en) *	1986-04-10	1988-05-31	Star Microwave	Electron gun assembly useful with traveling wave tubes
US5534747A (en) *	1994-05-13	1996-07-09	Litton Systems, Inc.	Variable focus electron gun assembly with ceramic spacers
SG10201405757RA (en) *	2009-10-08	2014-11-27	Perkinelmer Health Sci Inc	Coupling devices and methods of using them

1968
- 1968-05-15 CH CH717468A patent/CH491495A/en not_active IP Right Cessation
1969
- 1969-05-08 DE DE1923590A patent/DE1923590C3/en not_active Expired
- 1969-05-08 US US822922A patent/US3588574A/en not_active Expired - Lifetime
- 1969-05-12 GB GB24174/69A patent/GB1236306A/en not_active Expired

Also Published As

Publication number	Publication date
DE1923590C3 (en)	1979-07-05
US3588574A (en)	1971-06-28
DE1923590B2 (en)	1978-10-19
DE1923590A1 (en)	1969-11-27
GB1236306A (en)	1971-06-23

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Legal Events

Date	Code	Title	Description
1984-04-13	PFA	Name/firm changed	Owner name: EIDOPHOR AG
1986-01-31	PL	Patent ceased