FR680616A - Tube luminescent, utilisable notamment pour les postes récepteurs dans les installations de télévision et de téléphotographie, ainsi que pour les films parlants - Google Patents

Tube luminescent, utilisable notamment pour les postes récepteurs dans les installations de télévision et de téléphotographie, ainsi que pour les films parlants

Info

Publication number
FR680616A
FR680616A FR680616DA FR680616A FR 680616 A FR680616 A FR 680616A FR 680616D A FR680616D A FR 680616DA FR 680616 A FR680616 A FR 680616A
Authority
FR
France
Prior art keywords
telephotography
installations
receivers
television
usable
Prior art date
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
Other languages
English (en)
French (fr)
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.)
TELEHOR AKTIEN GES
Original Assignee
TELEHOR AKTIEN GES
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
Priority claimed from GB1915229A external-priority patent/GB335258A/en
Application filed by TELEHOR AKTIEN GES filed Critical TELEHOR AKTIEN GES
Application granted granted Critical
Publication of FR680616A publication Critical patent/FR680616A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR680616D 1928-08-21 1929-08-21 Tube luminescent, utilisable notamment pour les postes récepteurs dans les installations de télévision et de téléphotographie, ainsi que pour les films parlants Expired FR680616A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1933832X 1928-08-21
GB1915229A GB335258A (en) 1929-06-21 1929-06-21 Improvements in and relating to television receiving apparatus using electric glow discharge lamps

Publications (1)

Publication Number Publication Date
FR680616A true FR680616A (fr) 1930-05-02

Family

ID=26011414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680616D Expired FR680616A (fr) 1928-08-21 1929-08-21 Tube luminescent, utilisable notamment pour les postes récepteurs dans les installations de télévision et de téléphotographie, ainsi que pour les films parlants

Country Status (3)

Country Link
US (1) US1933832A (enEXAMPLES)
FR (1) FR680616A (enEXAMPLES)
NL (1) NL27739C (enEXAMPLES)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218269A (en) * 1991-11-29 1993-06-08 Gte Products Corporation Negative glow discharge lamp having wire anode

Also Published As

Publication number Publication date
US1933832A (en) 1933-11-07
NL27739C (enEXAMPLES) 1932-09-15

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