GB1389776A - Method of positioning an electrode in an electric discharge tube - Google Patents

Method of positioning an electrode in an electric discharge tube

Info

Publication number: GB1389776A
Authority: GB; United Kingdom
Prior art keywords: envelope; tube; electrodes; electrode; recesses
Prior art date: 1972-09-27
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

GB4468873A

Other languages

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.)

Philips Electronics UK Ltd

Original Assignee

Philips Electronic and Associated Industries Ltd

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.)

1972-09-27

Filing date

1973-09-24

Publication date

1975-04-09

1973-09-24 Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd

1975-04-09 Publication of GB1389776A publication Critical patent/GB1389776A/en

Status Expired legal-status Critical Current

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
- H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/50—Spacing members extending to the envelope
- H01J19/52—Spacing members extending to the envelope without fixed connection between spacing member and envelope
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
- H01J2893/0005—Fixing of electrodes
- H01J2893/0009—Electrode system pressing against vessel wall

Landscapes

Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Gas-Filled Discharge Tubes (AREA)
Microwave Tubes (AREA)

GB4468873A 1972-09-27 1973-09-24 Method of positioning an electrode in an electric discharge tube Expired GB1389776A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7213022A NL7213022A (fr)	1972-09-27	1972-09-27

Publications (1)

Publication Number	Publication Date
GB1389776A true GB1389776A (en)	1975-04-09

Family

ID=19817016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB4468873A Expired GB1389776A (en)	1972-09-27	1973-09-24	Method of positioning an electrode in an electric discharge tube

Country Status (10)

Country	Link
US (1)	US3928782A (fr)
JP (1)	JPS4971781A (fr)
AU (1)	AU6067473A (fr)
BE (1)	BE805361A (fr)
CA (1)	CA997150A (fr)
DE (1)	DE2345176A1 (fr)
FR (1)	FR2200612B1 (fr)
GB (1)	GB1389776A (fr)
IT (1)	IT1004580B (fr)
NL (1)	NL7213022A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7613412A (nl) *	1976-12-02	1978-06-06	Philips Nv	Elektrische ontladingsbuis.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2731578A (en) *	1951-04-30	1956-01-17	Eitel Mccullough Inc	Electron tube
US2980984A (en) *	1957-08-19	1961-04-25	Rca Corp	Art of fabricating electron tubes
US2989046A (en) *	1958-06-05	1961-06-20	Paramount Pictures Corp	Method for drilling finished holes in glass
US3305743A (en) *	1963-10-01	1967-02-21	Sylvania Electric Prod	Cathode ray tube matrix structure
FR1391037A (fr) *	1964-01-15	1965-03-05	Lignes Telegraph Telephon	Procédé perfectionné de réalisation de structures anodiques de magnetrons et magnétrons en résultant
US3396494A (en) *	1965-05-07	1968-08-13	Reynolds Metals Co	Removal of protrusions formed on carbon anodes
US3328618A (en) *	1965-09-13	1967-06-27	High Voltage Engineering Corp	High-voltage acceleration tube with inserts for the electrodes
US3423632A (en) *	1965-12-08	1969-01-21	Nippon Electric Co	Electron discharge device construction
US3604080A (en) *	1970-01-16	1971-09-14	Rca Corp	Method for making an electron-tube grid assembly

1972
- 1972-09-27 NL NL7213022A patent/NL7213022A/xx unknown
1973
- 1973-08-14 US US388255A patent/US3928782A/en not_active Expired - Lifetime
- 1973-09-07 DE DE19732345176 patent/DE2345176A1/de not_active Withdrawn
- 1973-09-21 CA CA181,687A patent/CA997150A/en not_active Expired
- 1973-09-22 JP JP48106541A patent/JPS4971781A/ja active Pending
- 1973-09-24 IT IT69805/73A patent/IT1004580B/it active
- 1973-09-24 GB GB4468873A patent/GB1389776A/en not_active Expired
- 1973-09-25 AU AU60674/73A patent/AU6067473A/en not_active Expired
- 1973-09-26 BE BE136086A patent/BE805361A/fr unknown
- 1973-09-27 FR FR7334687A patent/FR2200612B1/fr not_active Expired

Also Published As

Publication number	Publication date
AU6067473A (en)	1975-03-27
US3928782A (en)	1975-12-23
NL7213022A (fr)	1974-03-29
IT1004580B (it)	1976-07-20
CA997150A (en)	1976-09-21
FR2200612B1 (fr)	1976-06-18
FR2200612A1 (fr)	1974-04-19
BE805361A (fr)	1974-03-26
JPS4971781A (fr)	1974-07-11
DE2345176A1 (de)	1974-03-28

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Legal Events

Date	Code	Title	Description
1975-08-20	PS	Patent sealed [section 19, patents act 1949]
1981-04-29	PCNP	Patent ceased through non-payment of renewal fee