FR2143708B1 - - Google Patents
Info
- Publication number
- FR2143708B1 FR2143708B1 FR727221495A FR7221495A FR2143708B1 FR 2143708 B1 FR2143708 B1 FR 2143708B1 FR 727221495 A FR727221495 A FR 727221495A FR 7221495 A FR7221495 A FR 7221495A FR 2143708 B1 FR2143708 B1 FR 2143708B1
- Authority
- FR
- France
- 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
- H01J17/498—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with a gas discharge space and a post acceleration space for electrons
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15797171A | 1971-06-29 | 1971-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143708A1 FR2143708A1 (enExample) | 1973-02-09 |
| FR2143708B1 true FR2143708B1 (enExample) | 1974-07-26 |
Family
ID=22566142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR727221495A Expired FR2143708B1 (enExample) | 1971-06-29 | 1972-06-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3725731A (enExample) |
| JP (1) | JPS5443871B1 (enExample) |
| DE (1) | DE2222907A1 (enExample) |
| FR (1) | FR2143708B1 (enExample) |
| GB (1) | GB1360356A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7214702A (enExample) * | 1972-10-31 | 1974-05-02 | ||
| US3961217A (en) * | 1975-02-24 | 1976-06-01 | Burroughs Corporation | Gaseous discharge display panel having two color bar display |
| DE2926393C2 (de) * | 1979-06-29 | 1982-10-07 | Siemens AG, 1000 Berlin und 8000 München | Gasentladungsanzeigevorrichtung |
| JPS58199390A (ja) * | 1982-05-17 | 1983-11-19 | 株式会社日立製作所 | ガス放電表示装置 |
| US5749763A (en) * | 1987-07-15 | 1998-05-12 | Canon Kabushiki Kaisha | Display device with electron-emitting device with electron-emitting region insulted from electrodes |
| GB2235819A (en) * | 1989-08-12 | 1991-03-13 | Cathodeon Ltd | Gas discharge display device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262010A (en) * | 1960-08-31 | 1966-07-19 | Hughes Aircraft Co | Electrical display apparatus incorpolrating electroluminescent and gas discharge devices |
| BE755591Q (fr) * | 1967-11-24 | 1971-02-15 | Owens Illinois Inc | Dispositif de memorisation et de reproduction a decharges gazeuses et son mode de fonctionnement |
| US3603836A (en) * | 1969-04-02 | 1971-09-07 | John D Grier | Conductor configurations for discharge panels |
-
1971
- 1971-06-29 US US00157971A patent/US3725731A/en not_active Expired - Lifetime
-
1972
- 1972-05-10 DE DE19722222907 patent/DE2222907A1/de not_active Withdrawn
- 1972-05-31 GB GB2536072A patent/GB1360356A/en not_active Expired
- 1972-06-08 FR FR727221495A patent/FR2143708B1/fr not_active Expired
- 1972-06-08 JP JP5652172A patent/JPS5443871B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5443871B1 (enExample) | 1979-12-22 |
| DE2222907A1 (de) | 1973-01-18 |
| GB1360356A (en) | 1974-07-17 |
| FR2143708A1 (enExample) | 1973-02-09 |
| US3725731A (en) | 1973-04-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |