BE373149A - - Google Patents

Info

Publication number: BE373149A
Authority: BE; Belgium

Application number

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.)

1930-03-27

Filing date

1930-10-31

Publication date

1930-09-02

1930-09-02 Publication of BE373149A publication Critical patent/BE373149A/xx

1930-10-31 Application filed filed Critical

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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/16—Tubes with a single discharge path having electrostatic control means only with external electrostatic control means and with or without internal control electrodes

BE373149D 1930-03-27 1930-10-31 BE373149A ( )

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE7607331		1930-03-27

Publications (1)

Publication Number	Publication Date
BE373149A true BE373149A ( )	1930-09-02

Family

ID=6304538

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE373149D BE373149A ( )	1930-03-27	1930-10-31

Country Status (6)

Country	Link
AT (1)	AT126303B ( )
BE (1)	BE373149A ( )
DE (1)	DE587216C ( )
FR (1)	FR705542A ( )
GB (1)	GB362272A ( )
NL (1)	NL30034C ( )

1930
- 1930-03-27 DE DE1930587216D patent/DE587216C/de not_active Expired
- 1930-08-19 AT AT126303D patent/AT126303B/de active
- 1930-09-18 NL NL30034D patent/NL30034C/xx active
- 1930-10-31 BE BE373149D patent/BE373149A/xx unknown
- 1930-11-14 FR FR705542D patent/FR705542A/fr not_active Expired
1931
- 1931-03-12 GB GB7673/31A patent/GB362272A/en not_active Expired

Also Published As

Publication number	Publication date
DE587216C (de)	1933-10-31
GB362272A (en)	1931-12-03
NL30034C ( )	1933-01-16
FR705542A (fr)	1931-06-09
AT126303B (de)	1932-01-11

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