FR2117310A5 - - Google Patents

Info

Publication number
FR2117310A5
FR2117310A5 FR7143314A FR7143314A FR2117310A5 FR 2117310 A5 FR2117310 A5 FR 2117310A5 FR 7143314 A FR7143314 A FR 7143314A FR 7143314 A FR7143314 A FR 7143314A FR 2117310 A5 FR2117310 A5 FR 2117310A5
Authority
FR
France
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
FR7143314A
Other languages
French (fr)
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.)
Hitachi Ltd
Original Assignee
Hitachi 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.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of FR2117310A5 publication Critical patent/FR2117310A5/fr
Expired legal-status Critical Current

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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
FR7143314A 1970-12-04 1971-12-02 Expired FR2117310A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10683870A JPS4822295B1 (enrdf_load_stackoverflow) 1970-12-04 1970-12-04

Publications (1)

Publication Number Publication Date
FR2117310A5 true FR2117310A5 (enrdf_load_stackoverflow) 1972-07-21

Family

ID=14443832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143314A Expired FR2117310A5 (enrdf_load_stackoverflow) 1970-12-04 1971-12-02

Country Status (4)

Country Link
JP (1) JPS4822295B1 (enrdf_load_stackoverflow)
DE (1) DE2160145C3 (enrdf_load_stackoverflow)
FR (1) FR2117310A5 (enrdf_load_stackoverflow)
GB (1) GB1323518A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136788A (enrdf_load_stackoverflow) * 1974-04-18 1975-10-30
JPS52108770A (en) * 1976-03-09 1977-09-12 Hitachi Ltd Manufacture for direct heat type cathode
JPS5339054A (en) * 1976-09-22 1978-04-10 Hitachi Ltd Basement metal plate material for direct heated oxide cathode
JPS5392292U (enrdf_load_stackoverflow) * 1977-12-06 1978-07-27
JPS5816737B2 (ja) * 1978-04-24 1983-04-01 株式会社日立製作所 電子管用酸化物陰極
JPS5566819A (en) * 1978-11-15 1980-05-20 Hitachi Ltd Oxide cathode for electron tube
JPS6023454B2 (ja) * 1978-11-29 1985-06-07 株式会社日立製作所 電子管陰極
DE3323473A1 (de) * 1983-06-29 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Schnellheizkathode

Also Published As

Publication number Publication date
DE2160145C3 (de) 1974-06-27
GB1323518A (en) 1973-07-18
JPS4822295B1 (enrdf_load_stackoverflow) 1973-07-05
DE2160145B2 (enrdf_load_stackoverflow) 1973-12-06
DE2160145A1 (de) 1972-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse