FR1352201A - Perfectionnements aux tubes d'affichage à multicathodes - Google Patents
Perfectionnements aux tubes d'affichage à multicathodesInfo
- Publication number
- FR1352201A FR1352201A FR919355A FR919355A FR1352201A FR 1352201 A FR1352201 A FR 1352201A FR 919355 A FR919355 A FR 919355A FR 919355 A FR919355 A FR 919355A FR 1352201 A FR1352201 A FR 1352201A
- Authority
- FR
- France
- Prior art keywords
- multicathode
- display tube
- tube improvements
- display
- tube
- Prior art date
- 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
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0069—Tubes for displaying characters
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919355A FR1352201A (fr) | 1962-12-21 | 1962-12-21 | Perfectionnements aux tubes d'affichage à multicathodes |
US328361A US3248589A (en) | 1962-12-21 | 1963-12-05 | Multi-cathode display tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919355A FR1352201A (fr) | 1962-12-21 | 1962-12-21 | Perfectionnements aux tubes d'affichage à multicathodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1352201A true FR1352201A (fr) | 1964-02-14 |
Family
ID=8793337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR919355A Expired FR1352201A (fr) | 1962-12-21 | 1962-12-21 | Perfectionnements aux tubes d'affichage à multicathodes |
Country Status (2)
Country | Link |
---|---|
US (1) | US3248589A (fr) |
FR (1) | FR1352201A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3370195A (en) * | 1964-10-16 | 1968-02-20 | Hivac Ltd | Cold cathode gas discharge tubes having an optically opaque masking plate |
NL6800473A (fr) * | 1968-01-12 | 1969-07-15 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US988104A (en) * | 1910-06-25 | 1911-03-28 | Gen Electric | Sign. |
DE345859C (de) * | 1919-10-26 | 1922-03-03 | Michel Schmierer | Glimmlichtroehre zur Erzeugung leuchtender Zeichen, Zeichnungen o. dgl., insbesondere fuer Reklame |
US2848638A (en) * | 1953-06-09 | 1958-08-19 | Edwin W Smith | Multi-display tube |
US2874320A (en) * | 1955-12-13 | 1959-02-17 | Burroughs Corp | Indicating device |
US2878407A (en) * | 1956-04-16 | 1959-03-17 | Burroughs Corp | Ion control means |
US3075119A (en) * | 1959-08-14 | 1963-01-22 | Philips Corp | Glow-discharge indicator tube |
-
1962
- 1962-12-21 FR FR919355A patent/FR1352201A/fr not_active Expired
-
1963
- 1963-12-05 US US328361A patent/US3248589A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3248589A (en) | 1966-04-26 |
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