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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson CSF SAfiledCriticalThomson CSF SA
Priority to FR6925222ApriorityCriticalpatent/FR2056885B1/fr
Publication of FR2056885A1publicationCriticalpatent/FR2056885A1/fr
Application grantedgrantedCritical
Publication of FR2056885B1publicationCriticalpatent/FR2056885B1/fr
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