DK108504C - Variable electrical impedance element, in particular variable resistance. - Google Patents

Variable electrical impedance element, in particular variable resistance.

Info

Publication number
DK108504C
DK108504C DK413358A DK413358A DK108504C DK 108504 C DK108504 C DK 108504C DK 413358 A DK413358 A DK 413358A DK 413358 A DK413358 A DK 413358A DK 108504 C DK108504 C DK 108504C
Authority
DK
Denmark
Prior art keywords
variable
impedance element
electrical impedance
variable resistance
resistance
Prior art date
Application number
DK413358A
Other languages
Danish (da)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK108504C publication Critical patent/DK108504C/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/12Semiconductor 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 structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
    • H01L31/16Semiconductor 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 structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources
    • H01L31/161Semiconductor device sensitive to radiation without a potential-jump or surface barrier, e.g. photoresistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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

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)
  • Adjustable Resistors (AREA)
  • Thermistors And Varistors (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
DK413358A 1957-11-18 1958-11-15 Variable electrical impedance element, in particular variable resistance. DK108504C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL222557 1957-11-18

Publications (1)

Publication Number Publication Date
DK108504C true DK108504C (en) 1967-12-27

Family

ID=19751037

Family Applications (1)

Application Number Title Priority Date Filing Date
DK413358A DK108504C (en) 1957-11-18 1958-11-15 Variable electrical impedance element, in particular variable resistance.

Country Status (7)

Country Link
BE (1) BE573086A (en)
CH (1) CH373825A (en)
DE (1) DE1156876B (en)
DK (1) DK108504C (en)
ES (1) ES245339A1 (en)
GB (1) GB896834A (en)
NL (1) NL107884C (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE308363C (en) *
DE555832C (en) * 1931-01-14 1932-07-28 Josef Heitz Massless control of a step resistance
DE700878C (en) * 1938-04-09 1941-01-02 Aeg Variable electrical resistance

Also Published As

Publication number Publication date
NL107884C (en) 1964-04-15
GB896834A (en) 1962-05-16
ES245339A1 (en) 1959-05-01
DE1156876B (en) 1963-11-07
CH373825A (en) 1963-12-15
BE573086A (en) 1962-09-21

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