GB191310472A - Improvements in and relating to Electrical Relay Arrangements. - Google Patents

Improvements in and relating to Electrical Relay Arrangements.

Info

Publication number
GB191310472A
GB191310472A GB191310472DA GB191310472A GB 191310472 A GB191310472 A GB 191310472A GB 191310472D A GB191310472D A GB 191310472DA GB 191310472 A GB191310472 A GB 191310472A
Authority
GB
United Kingdom
Prior art keywords
light
cell
wires
grid
selenium
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)
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 GB191310472A publication Critical patent/GB191310472A/en
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)
GB191310472D 1912-05-06 1913-05-03 Improvements in and relating to Electrical Relay Arrangements. Expired GB191310472A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB191310472A true GB191310472A (en) 1913-10-02

Family

ID=32653442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191310472D Expired GB191310472A (en) 1912-05-06 1913-05-03 Improvements in and relating to Electrical Relay Arrangements.

Country Status (3)

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

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
FR457467A (fr) 1913-09-18
DE278022C (enExample)

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