NL182184C - NET CATHOD FOR A TRANSMITTER. - Google Patents

NET CATHOD FOR A TRANSMITTER.

Info

Publication number
NL182184C
NL182184C NLAANVRAGE7312150,A NL7312150A NL182184C NL 182184 C NL182184 C NL 182184C NL 7312150 A NL7312150 A NL 7312150A NL 182184 C NL182184 C NL 182184C
Authority
NL
Netherlands
Prior art keywords
cathod
transmitter
net
net cathod
Prior art date
Application number
NLAANVRAGE7312150,A
Other languages
Dutch (nl)
Other versions
NL7312150A (en
NL182184B (en
Original Assignee
Bbc Brown Boveri & Cie
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.)
Filing date
Publication date
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NL7312150A publication Critical patent/NL7312150A/xx
Publication of NL182184B publication Critical patent/NL182184B/en
Application granted granted Critical
Publication of NL182184C publication Critical patent/NL182184C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
NLAANVRAGE7312150,A 1972-09-06 1973-09-04 NET CATHOD FOR A TRANSMITTER. NL182184C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1303172A CH549283A (en) 1972-09-06 1972-09-06 MESH CATHODE FOR ELECTRON TUBES.

Publications (3)

Publication Number Publication Date
NL7312150A NL7312150A (en) 1974-03-08
NL182184B NL182184B (en) 1987-08-17
NL182184C true NL182184C (en) 1988-01-18

Family

ID=4388683

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7312150,A NL182184C (en) 1972-09-06 1973-09-04 NET CATHOD FOR A TRANSMITTER.

Country Status (6)

Country Link
US (1) US3875445A (en)
CH (1) CH549283A (en)
DE (1) DE2247364C2 (en)
FR (1) FR2198253B3 (en)
GB (1) GB1436429A (en)
NL (1) NL182184C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1042105A1 (en) * 1980-02-05 1983-09-15 Организация П/Я Х-5263 Grid-type filamentary cathode for vacuum tubes and its manufacture method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE863831C (en) * 1950-05-17 1953-01-19 Siemens Ag Cathode for electron tubes
DE1823411U (en) * 1958-07-01 1960-12-15 Siemens Ag CATHODE FOR ELECTRON TUBES.
GB987461A (en) * 1962-05-31 1965-03-31 Standard Telephones Cables Ltd Thermionic valves
FR1455956A (en) * 1965-07-20 1966-05-20 Thomson Houston Comp Francaise Direct heating cathode improvements
DE1901207A1 (en) * 1969-01-10 1970-08-06 Siemens Ag Mesh cathode for high-power electron tubes, especially transmission tubes
DE1901208A1 (en) * 1969-01-10 1970-07-30 Siemens Ag Tubular mesh cathode for high-power electron tubes, especially transmission tubes

Also Published As

Publication number Publication date
FR2198253A1 (en) 1974-03-29
DE2247364C2 (en) 1984-05-17
NL7312150A (en) 1974-03-08
NL182184B (en) 1987-08-17
DE2247364A1 (en) 1974-03-14
US3875445A (en) 1975-04-01
GB1436429A (en) 1976-05-19
CH549283A (en) 1974-05-15
FR2198253B3 (en) 1976-08-06

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee