BE408788A - - Google Patents
Info
- Publication number
- BE408788A BE408788A BE408788DA BE408788A BE 408788 A BE408788 A BE 408788A BE 408788D A BE408788D A BE 408788DA BE 408788 A BE408788 A BE 408788A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1009734A GB424736A (en) | 1934-06-21 | 1934-06-21 | Improvements in and relating to luminous gas electric discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE408788A true BE408788A (de) | 1935-05-31 |
Family
ID=9961421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE408788D BE408788A (de) | 1934-06-21 | 1935-04-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE408788A (de) |
| FR (1) | FR788460A (de) |
| GB (1) | GB424736A (de) |
-
1934
- 1934-06-21 GB GB1009734A patent/GB424736A/en not_active Expired
-
1935
- 1935-04-03 FR FR788460D patent/FR788460A/fr not_active Expired
- 1935-04-03 BE BE408788D patent/BE408788A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB424736A (en) | 1935-02-27 |
| FR788460A (fr) | 1935-10-09 |