NL187249C - Elektrofotografisch registreermateriaal, waarbij op een elektrisch geleidende drager een fotogeleidende laag is aangebracht. - Google Patents

Elektrofotografisch registreermateriaal, waarbij op een elektrisch geleidende drager een fotogeleidende laag is aangebracht.

Info

Publication number
NL187249C
NL187249C NLAANVRAGE7606342,A NL187249DA NL187249C NL 187249 C NL187249 C NL 187249C NL 187249D A NL187249D A NL 187249DA NL 187249 C NL187249 C NL 187249C
Authority
NL
Netherlands
Prior art keywords
electrically conductive
recording material
conductive support
layer applied
photographic layer
Prior art date
Application number
NLAANVRAGE7606342,A
Other languages
English (en)
Original Assignee
Hoechst Ag
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.)
Publication of NL187249C publication Critical patent/NL187249C/nl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
NLAANVRAGE7606342,A 1953-05-12 Elektrofotografisch registreermateriaal, waarbij op een elektrisch geleidende drager een fotogeleidende laag is aangebracht. NL187249C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1019358X 1953-05-12

Publications (1)

Publication Number Publication Date
NL187249C true NL187249C (nl)

Family

ID=9575601

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7606342,A NL187249C (nl) 1953-05-12 Elektrofotografisch registreermateriaal, waarbij op een elektrisch geleidende drager een fotogeleidende laag is aangebracht.

Country Status (4)

Country Link
US (1) US2850729A (nl)
DE (1) DE1019358B (nl)
FR (1) FR1081918A (nl)
NL (1) NL187249C (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1249241A (fr) * 1958-12-19 1960-12-30 Goniomètre de route
US3808597A (en) * 1968-03-14 1974-04-30 Teledyne Inc Iso-phase position determining system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR577629A (fr) * 1923-04-24 1924-09-08 Radiophare interférentiel à ondes dirigées tournantes
US2083945A (en) * 1931-05-26 1937-06-15 George L De Mott Apparatus for indicating veloctty
US2050276A (en) * 1931-07-09 1936-08-11 Westinghouse Electric & Mfg Co Position finding system
US1942262A (en) * 1933-03-22 1934-01-02 John P Shanklin Method for determining location in progress over a given area
US2141282A (en) * 1936-07-22 1938-12-27 American Telephone & Telegraph Wave transmission
DE767304C (de) * 1939-04-30 1952-05-26 Lorenz A G C Verfahren zur Standortbestimmung
FR1061007A (fr) * 1951-08-16 1954-04-08 Nouvelle installation de balisage et de localisation par ondes radio-électriquetes

Also Published As

Publication number Publication date
FR1081918A (fr) 1954-12-23
DE1019358B (de) 1957-11-14
US2850729A (en) 1958-09-02

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