NL30034C - - Google Patents
Info
- Publication number
- NL30034C NL30034C NL30034DA NL30034C NL 30034 C NL30034 C NL 30034C NL 30034D A NL30034D A NL 30034DA NL 30034 C NL30034 C NL 30034C
- Authority
- NL
- Netherlands
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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7607331 | 1930-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30034C true NL30034C (en(2012)) | 1933-01-16 |
Family
ID=6304538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30034D NL30034C (en(2012)) | 1930-03-27 | 1930-09-18 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT126303B (en(2012)) |
| BE (1) | BE373149A (en(2012)) |
| DE (1) | DE587216C (en(2012)) |
| FR (1) | FR705542A (en(2012)) |
| GB (1) | GB362272A (en(2012)) |
| NL (1) | NL30034C (en(2012)) |
-
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 |
|---|---|
| AT126303B (de) | 1932-01-11 |
| BE373149A (en(2012)) | 1930-09-02 |
| DE587216C (de) | 1933-10-31 |
| FR705542A (fr) | 1931-06-09 |
| GB362272A (en) | 1931-12-03 |