초록 ▼

Device for determining the position of an aircraft (11) at an airport, includes a plurality of sensors (5) for detecting at least one radio signal originating from a vehicle (11), in which the plurality of sensors (5) are preferably positioned at regular intervals from one another on parts (2, 3) of

Device for determining the position of an aircraft (11) at an airport, includes a plurality of sensors (5) for detecting at least one radio signal originating from a vehicle (11), in which the plurality of sensors (5) are preferably positioned at regular intervals from one another on parts (2, 3) of the airport which are accessible to the vehicle (11). The present device is preferably used for detecting the position of an aircraft (11) on the runway system of an airport. The sensors (5) are preferably fitted in light positions of runway lighting provided at the airport on taxiways, take-off and landing runways (2, 3) and on plat-forms. The signal originating from a radio altimeter (12) of an aircraft (11) is preferably used as the radio signal.

대표청구항 ▼

Device for determining the position of an aircraft (11) at an airport, includes a plurality of sensors (5) for detecting at least one radio signal originating from a vehicle (11), in which the plurality of sensors (5) are preferably positioned at regular intervals from one another on parts (2, 3) of

Device for determining the position of an aircraft (11) at an airport, includes a plurality of sensors (5) for detecting at least one radio signal originating from a vehicle (11), in which the plurality of sensors (5) are preferably positioned at regular intervals from one another on parts (2, 3) of the airport which are accessible to the vehicle (11). The present device is preferably used for detecting the position of an aircraft (11) on the runway system of an airport. The sensors (5) are preferably fitted in light positions of runway lighting provided at the airport on taxiways, take-off and landing runways (2, 3) and on plat-forms. The signal originating from a radio altimeter (12) of an aircraft (11) is preferably used as the radio signal. d resistance comprises a low conductivity ceramic layer having a conductivity lower than the conductivity of an adjacent dielectric ceramic layer. 7. The electron gun of claim 6 wherein said low conductivity ceramic layer includes a dielectric ceramic layer doped with a material selected from the group consisting of semiconductive oxides, ferrous oxide (Fe2O3), tin oxide (SnO2), and cobalt oxide (CoO2). 8. The electron gun of claim 5 wherein said one of said layers forming said resistance comprises at least one layer of dielectric ceramic having a resistance material on at least one surface thereof. 9. The electron gun of claim 8 wherein said resistance material includes a pattern of a high-resistivity thick-film ink. 10. The electron gun of claim 5 wherein said capacitance comprises conductive electrodes on opposing surfaces of said one other layer of dielectric ceramic. 11. The electron gun of claim 5 wherein said capacitance comprises conductive electrodes on opposing surfaces of a plurality of the layers of dielectric ceramic including said one other layer thereof. 12. The electron gun of claim 5 wherein said capacitance comprises a plurality of the layers of dielectric ceramic including said one other layer thereof interposed between first and second conductive electrodes. 13. The electron gun of claim 5 wherein said ceramic circuit is mounted to said electron gun. 14. An electron lens as for an electron gun for a cathode ray tube, wherein said electron gun produces a beam of electrons passing through said electron lens, said electron lens comprising: a plurality of electrodes through which said electron beam passes, at least one of said electrodes being a focus electrode and at least one other of said electrodes being a dynamic focus electrode; a source of a dynamic focusing signal coupled to said one other of said electrodes for applying dynamic focusing signal thereto; a further electrode proximate said dynamic focus electrode; a resistance having a first end adapted to be coupled to a source of bias potential and a second end adapted to be connected to a point of reference potential, said resistance including a tap intermediate the first and second ends thereof, said tap being connected to said further electrode; a capacitance having a first electrode coupled to the further electrode and a second electrode adapted to be coupled to said point of reference potential. 15. The electron lens of claim 14 in combination with a tube neck of a dielectric material in which said electron gun resides, wherein said capacitance comprises a first electrode on an interior surface of said tube neck and a second electrode on an exterior surface of said tube neck. 16. The electron lens of claim 14 wherein said resistance comprises a pattern of high resistivity material on a single layer fired dielectric ceramic substrate. 17. The electron lens of claim 14 wherein said resistance comprises a fired laminate of a plurality of layers of a dielectric ceramic. 18. The electron lens of claim 17 wherein said resistance comprises a layer of one of (a) a low conductivity ceramic layer having a conductivity lower than the conductivity of an adjacent dielectric ceramic layer, and (b) at least one layer of dielectric ceramic having a high resistivity resistance material on at least one surface thereof. 19. The electron lens of claim 17 wherein said fired laminate includes a plurality of layers of dielectric ceramic interposed between at least two conductive plates forming the first and second electrodes of said capacitance. 20. An electron lens as for an electron gun for a cathode ray tube, wherein said electron gun produces a beam of electrons passing through said electron lens, said electron lens comprising: a plurality of electrodes through which said electron beam passes, at least one of said electrodes being a focus electrode and at least one other of said electrodes being a dynamic focus