FR1244702A - Indicator tube with glow discharge and device fitted with such a tube - Google Patents

Indicator tube with glow discharge and device fitted with such a tube

Info

Publication number: FR1244702A
Authority: FR; France
Prior art keywords: tube; glow discharge; device fitted; indicator; indicator tube
Prior art date: 1959-01-06
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

FR814816A

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1959-01-06

Filing date

1960-01-05

Publication date

1960-10-28

1960-01-05 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1960-10-28 Application granted granted Critical

1960-10-28 Publication of FR1244702A publication Critical patent/FR1244702A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
- H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
- H01J17/491—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters

FR814816A 1959-01-06 1960-01-05 Indicator tube with glow discharge and device fitted with such a tube Expired FR1244702A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL234888		1959-01-06
NL246291		1959-12-10

Publications (1)

Publication Number	Publication Date
FR1244702A true FR1244702A (en)	1960-10-28

Family

ID=26641671

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR814816A Expired FR1244702A (en)	1959-01-06	1960-01-05	Indicator tube with glow discharge and device fitted with such a tube

Country Status (6)

Country	Link
US (2)	US3054920A (en)
CH (1)	CH386569A (en)
DE (1)	DE1147317B (en)
FR (1)	FR1244702A (en)
GB (1)	GB931079A (en)
NL (3)	NL113382C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB911402A (en) *	1961-05-23	1962-11-28	South African Council Scientif	Improvements in or relating to electrical spark producing apparatus
GB980339A (en) *	1962-06-01	1965-01-13	Ericsson Telephones Ltd	Multi-electrode cold-cathode discharge tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE345859C (en) *	1919-10-26	1922-03-03	Michel Schmierer	Glow tubes for generating luminous characters, drawings or the like, especially for advertising
US2142106A (en) *	1934-05-09	1939-01-03	Hans P Boswau	Signaling system and glow lamps therefor
US2433809A (en) *	1947-02-01	1947-12-30	Sylvania Electric Prod	Crater lamp
US2769939A (en) *	1950-06-12	1956-11-06	Northrop Aircraft Inc	Read-out tube circuit
US2618760A (en) *	1950-11-06	1952-11-18	Northrop Aircraft Inc	Glow tube anode construction
US2632128A (en) *	1951-01-09	1953-03-17	Northrop Aircraft Inc	Glow tube cathode support
GB721973A (en) *	1952-07-29	1955-01-19	Hivac Ltd	Improvements in or relating to cold cathode gaseous discharge tubes
GB777562A (en) *	1953-03-09	1957-06-26	Ericsson Telephones Ltd	Improvements in or relating to electric discharge tubes
US2946921A (en) *	1957-10-19	1960-07-26	Gugelberg Hans Luz Von	Glow discharge tubes and circuits therefor
US2937318A (en) *	1958-10-27	1960-05-17	Baird Atomic Inc	Counting tube read out system

0
- NL NL234888D patent/NL234888A/xx unknown
- NL NL246291D patent/NL246291A/xx unknown
- NL NL113382D patent/NL113382C/xx active
1959
- 1959-12-31 DE DEN17715A patent/DE1147317B/en active Pending
1960
- 1960-01-04 GB GB230/60A patent/GB931079A/en not_active Expired
- 1960-01-04 CH CH4160A patent/CH386569A/en unknown
- 1960-01-05 FR FR814816A patent/FR1244702A/en not_active Expired
- 1960-12-09 US US74982A patent/US3054920A/en not_active Expired - Lifetime
1961
- 1961-01-10 US US81900A patent/US3085174A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB931079A (en)	1963-07-10
NL234888A (en)
US3085174A (en)	1963-04-09
NL113382C (en)
DE1147317B (en)	1963-04-18
CH386569A (en)	1965-01-15
NL246291A (en)
US3054920A (en)	1962-09-18

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