FR2146324B1 - - Google Patents

Info

Publication number
FR2146324B1
FR2146324B1 FR7225763A FR7225763A FR2146324B1 FR 2146324 B1 FR2146324 B1 FR 2146324B1 FR 7225763 A FR7225763 A FR 7225763A FR 7225763 A FR7225763 A FR 7225763A FR 2146324 B1 FR2146324 B1 FR 2146324B1
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
FR7225763A
Other languages
French (fr)
Other versions
FR2146324A1 (enExample
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2146324A1 publication Critical patent/FR2146324A1/fr
Application granted granted Critical
Publication of FR2146324B1 publication Critical patent/FR2146324B1/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
    • H01J17/491—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
FR7225763A 1971-07-19 1972-07-17 Expired FR2146324B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5308271 1971-07-19

Publications (2)

Publication Number Publication Date
FR2146324A1 FR2146324A1 (enExample) 1973-03-02
FR2146324B1 true FR2146324B1 (enExample) 1976-01-16

Family

ID=12932859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7225763A Expired FR2146324B1 (enExample) 1971-07-19 1972-07-17

Country Status (3)

Country Link
DE (1) DE2235242B2 (enExample)
FR (1) FR2146324B1 (enExample)
GB (1) GB1396944A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5238881A (en) * 1975-09-22 1977-03-25 Okaya Denki Sangyo Kk Discharge display device
FR2559602B1 (fr) * 1984-02-10 1991-02-15 Japan Broadcasting Corp Panneau d'affichage a decharge de gaz muni d'au moins une enveloppe scellee

Also Published As

Publication number Publication date
GB1396944A (en) 1975-06-11
DE2235242B2 (de) 1975-05-15
DE2235242A1 (de) 1973-02-01
FR2146324A1 (enExample) 1973-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse