NL6812669A - - Google Patents
Info
- Publication number
- NL6812669A NL6812669A NL6812669A NL6812669A NL6812669A NL 6812669 A NL6812669 A NL 6812669A NL 6812669 A NL6812669 A NL 6812669A NL 6812669 A NL6812669 A NL 6812669A NL 6812669 A NL6812669 A NL 6812669A
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66874067A | 1967-09-08 | 1967-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6812669A true NL6812669A (de) | 1969-03-11 |
Family
ID=24683532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6812669A NL6812669A (de) | 1967-09-08 | 1968-09-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3480820A (de) |
| DE (1) | DE6750465U (de) |
| FR (1) | FR1579808A (de) |
| GB (1) | GB1225057A (de) |
| NL (1) | NL6812669A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657600A (en) * | 1970-05-18 | 1972-04-18 | United Aircraft Corp | Auxiliary ionization of dc electric discharge electrode boundary sheaths |
| JPS4843865A (de) * | 1971-10-06 | 1973-06-25 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1955391A (en) * | 1931-01-27 | 1934-04-17 | Telefunken Gmbh | Electrode construction for glow discharge tubes |
| US2756366A (en) * | 1954-04-01 | 1956-07-24 | Nat Union Electric Corp | Luminous discharge tube and system |
| US2917651A (en) * | 1956-07-28 | 1959-12-15 | Philips Corp | Glow-indicator tube |
| US2996635A (en) * | 1958-12-11 | 1961-08-15 | Int Standard Electric Corp | Cold cathode character display tubes |
| US3005922A (en) * | 1959-11-13 | 1961-10-24 | Nat Union Electric Corp | Luminous discharge indicia tube |
| US3262010A (en) * | 1960-08-31 | 1966-07-19 | Hughes Aircraft Co | Electrical display apparatus incorpolrating electroluminescent and gas discharge devices |
| NL279906A (de) * | 1961-06-26 | |||
| US3242370A (en) * | 1962-10-03 | 1966-03-22 | Friden Inc | Cathode glow indicator tube |
| US3358176A (en) * | 1965-07-19 | 1967-12-12 | Burroughs Corp | Multiple cathode indicator tube having no obstruction in the form of support disks |
-
1967
- 1967-09-08 US US668740A patent/US3480820A/en not_active Expired - Lifetime
-
1968
- 1968-08-23 GB GB40378/68A patent/GB1225057A/en not_active Expired
- 1968-09-05 NL NL6812669A patent/NL6812669A/xx unknown
- 1968-09-06 DE DE6750465U patent/DE6750465U/de not_active Expired
- 1968-09-09 FR FR1579808D patent/FR1579808A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1225057A (en) | 1971-03-17 |
| FR1579808A (de) | 1969-08-29 |
| DE6750465U (de) | 1969-01-09 |
| US3480820A (en) | 1969-11-25 |