FR2205739B1 - - Google Patents
Info
- Publication number
- FR2205739B1 FR2205739B1 FR7337201A FR7337201A FR2205739B1 FR 2205739 B1 FR2205739 B1 FR 2205739B1 FR 7337201 A FR7337201 A FR 7337201A FR 7337201 A FR7337201 A FR 7337201A FR 2205739 B1 FR2205739 B1 FR 2205739B1
- 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
- H01J17/491—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 |
---|---|---|---|
US30399172A | 1972-11-06 | 1972-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2205739A1 FR2205739A1 (fr) | 1974-05-31 |
FR2205739B1 true FR2205739B1 (fr) | 1977-03-11 |
Family
ID=23174561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7337201A Expired FR2205739B1 (fr) | 1972-11-06 | 1973-10-18 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4979456A (fr) |
BE (1) | BE806739A (fr) |
DE (1) | DE2350712A1 (fr) |
FR (1) | FR2205739B1 (fr) |
GB (1) | GB1391764A (fr) |
IT (1) | IT998799B (fr) |
NL (1) | NL7314420A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2952528C2 (de) * | 1979-12-28 | 1985-10-10 | Siemens AG, 1000 Berlin und 8000 München | Gasentladungsanzeigevorrichtung |
-
1973
- 1973-05-15 GB GB2297573A patent/GB1391764A/en not_active Expired
- 1973-10-10 DE DE19732350712 patent/DE2350712A1/de active Pending
- 1973-10-18 FR FR7337201A patent/FR2205739B1/fr not_active Expired
- 1973-10-19 NL NL7314420A patent/NL7314420A/xx unknown
- 1973-10-22 IT IT3038773A patent/IT998799B/it active
- 1973-10-23 JP JP11981373A patent/JPS4979456A/ja active Pending
- 1973-10-30 BE BE137256A patent/BE806739A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE806739A (fr) | 1974-02-15 |
IT998799B (it) | 1976-02-20 |
JPS4979456A (fr) | 1974-07-31 |
NL7314420A (fr) | 1974-05-08 |
FR2205739A1 (fr) | 1974-05-31 |
GB1391764A (en) | 1975-04-23 |
DE2350712A1 (de) | 1974-05-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |