FR457467A - Dispositif de relai - Google Patents

Dispositif de relai

Info

Publication number
FR457467A
FR457467A FR457467A FR457467DA FR457467A FR 457467 A FR457467 A FR 457467A FR 457467 A FR457467 A FR 457467A FR 457467D A FR457467D A FR 457467DA FR 457467 A FR457467 A FR 457467A
Authority
FR
France
Prior art keywords
relay device
relay
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
FR457467A
Other languages
English (en)
Inventor
Abraham Nilsen Hovland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR457467A publication Critical patent/FR457467A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
FR457467A 1912-05-06 1913-05-05 Dispositif de relai Expired FR457467A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO191310472X 1912-05-06

Publications (1)

Publication Number Publication Date
FR457467A true FR457467A (fr) 1913-09-18

Family

ID=32653442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457467A Expired FR457467A (fr) 1912-05-06 1913-05-05 Dispositif de relai

Country Status (3)

Country Link
DE (1) DE278022C (fr)
FR (1) FR457467A (fr)
GB (1) GB191310472A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177675B (de) * 1958-01-25 1964-09-10 Saba Gmbh Anordnung zur selbsttaetigen, raumlicht-abhaengigen Regelung des Kontrastes und der Bildhelligkeit von Fernsehempfangsgeraeten
DE1084848B (de) * 1959-03-14 1960-07-07 Forschungslaboratorium Prof Dr Photowiderstand
DE1208898B (de) * 1959-04-23 1966-01-13 Nat Res Dev Vorrichtung zum Erzeugen modulierter elektrischer Signale

Also Published As

Publication number Publication date
GB191310472A (en) 1913-10-02
DE278022C (fr)

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