FR1177339A - Improvements to photoelectric resistors - Google Patents

Improvements to photoelectric resistors

Info

Publication number
FR1177339A
FR1177339A FR1177339DA FR1177339A FR 1177339 A FR1177339 A FR 1177339A FR 1177339D A FR1177339D A FR 1177339DA FR 1177339 A FR1177339 A FR 1177339A
Authority
FR
France
Prior art keywords
photoelectric
resistors
photoelectric resistors
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
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.)
PHYSIKALISCH TECH WERKSTATTEN
Original Assignee
PHYSIKALISCH TECH WERKSTATTEN
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 PHYSIKALISCH TECH WERKSTATTEN filed Critical PHYSIKALISCH TECH WERKSTATTEN
Application granted granted Critical
Publication of FR1177339A publication Critical patent/FR1177339A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
FR1177339D 1957-06-18 1957-06-18 Improvements to photoelectric resistors Expired FR1177339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1177339T 1957-06-18

Publications (1)

Publication Number Publication Date
FR1177339A true FR1177339A (en) 1959-04-23

Family

ID=9660169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1177339D Expired FR1177339A (en) 1957-06-18 1957-06-18 Improvements to photoelectric resistors

Country Status (1)

Country Link
FR (1) FR1177339A (en)

Similar Documents

Publication Publication Date Title
FR1184230A (en) Improvements to armchairs
FR1246737A (en) Improvements to servo-mechanisms
FR1182756A (en) Improvements to presses
FR1175372A (en) Improvements made to dust collectors
FR1177339A (en) Improvements to photoelectric resistors
FR1180896A (en) Improvements to photo-sensitive suits
FR1198629A (en) Improvements to sensors
FR1209399A (en) Improvements to mycobacteriostats
FR1202029A (en) Improvements to transistrons
FR1189061A (en) Improvements to statuettes
FR72508E (en) Improvements to floors
FR75349E (en) Improvements to candles
FR1179273A (en) Improvements to candles
FR1171827A (en) Improvements to taps
FR1181966A (en) Improvements to dryers
FR1213447A (en) Improvements to rectifier-inverters
FR1209576A (en) Improvements to revivals
FR1185662A (en) Improvements made to carburetors
FR1211490A (en) Improvements made to percolators
FR1185578A (en) Improvements to electrical resistances
FR1189097A (en) Improvements to fireplaces
FR1180934A (en) Improvements to automatic degraveurs
FR1176765A (en) Improvements to prostheses
FR1198645A (en) Improvements to aircraft
FR1183216A (en) Improvements made to transfusion-infusion equipment