FR2143972B1 - - Google Patents

Info

Publication number
FR2143972B1
FR2143972B1 FR7224048A FR7224048A FR2143972B1 FR 2143972 B1 FR2143972 B1 FR 2143972B1 FR 7224048 A FR7224048 A FR 7224048A FR 7224048 A FR7224048 A FR 7224048A FR 2143972 B1 FR2143972 B1 FR 2143972B1
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
Application number
FR7224048A
Other languages
French (fr)
Other versions
FR2143972A1 (enrdf_load_stackoverflow
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2143972A1 publication Critical patent/FR2143972A1/fr
Application granted granted Critical
Publication of FR2143972B1 publication Critical patent/FR2143972B1/fr
Expired legal-status Critical Current

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
    • H01J17/492—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes
FR7224048A 1971-06-30 1972-06-27 Expired FR2143972B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15818571A 1971-06-30 1971-06-30

Publications (2)

Publication Number Publication Date
FR2143972A1 FR2143972A1 (enrdf_load_stackoverflow) 1973-02-09
FR2143972B1 true FR2143972B1 (enrdf_load_stackoverflow) 1978-03-03

Family

ID=22567004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224048A Expired FR2143972B1 (enrdf_load_stackoverflow) 1971-06-30 1972-06-27

Country Status (3)

Country Link
CA (1) CA969594A (enrdf_load_stackoverflow)
DE (1) DE2223935A1 (enrdf_load_stackoverflow)
FR (1) FR2143972B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396816A (en) * 1972-09-27 1975-06-04 Control Data Corp Plasma discharge display panel

Also Published As

Publication number Publication date
FR2143972A1 (enrdf_load_stackoverflow) 1973-02-09
CA969594A (en) 1975-06-17
DE2223935A1 (de) 1973-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse