초록 ▼

Surface mounted LEDs are arrayed in special patterns to provide a relatively high resolution dot-matrix visual display and/or multi-segment character displays. Especially abbreviated solder bonding pads are utilized to obtain a higher density packing of the surface mounted arrays in at least some em

Surface mounted LEDs are arrayed in special patterns to provide a relatively high resolution dot-matrix visual display and/or multi-segment character displays. Especially abbreviated solder bonding pads are utilized to obtain a higher density packing of the surface mounted arrays in at least some embodiments. Special anti-glare coatings and structures are employed to reduce ambient light reflections for aircraft instrument applications. Multi-colored display outputs are also provided.

대표청구항 ▼

Surface mounted LEDs are arrayed in special patterns to provide a relatively high resolution dot-matrix visual display and/or multi-segment character displays. Especially abbreviated solder bonding pads are utilized to obtain a higher density packing of the surface mounted arrays in at least some em

Surface mounted LEDs are arrayed in special patterns to provide a relatively high resolution dot-matrix visual display and/or multi-segment character displays. Especially abbreviated solder bonding pads are utilized to obtain a higher density packing of the surface mounted arrays in at least some embodiments. Special anti-glare coatings and structures are employed to reduce ambient light reflections for aircraft instrument applications. Multi-colored display outputs are also provided. ween an input end thereof and an output end thereof and including an inner conductor shielded proximal to said input end thereof by an outer conductor and a dielectric layer between said inner and outer by conductors; and a transition section wherein said coaxial cables are arranged in a circular cluster around said tapered common member and wherein said outer conductor of each said coaxial cable is removed therefrom in a tapered manner proceeding from proximal to said input end thereof towards said output end thereof with said outer conductor being completely removed prior to said output end, thereby transitioning said coaxial cables from decoupled fixed impedance transmission lines proximal to said input ends thereof to a coupled modal dependent multi-transmission line proximal to said output ends thereof. 12. The simultaneously matched mode antenna feedline of claim 11 wherein, in said transition section, said dielectric layer is also removed from each said coaxial cable in a tapered manner proceeding from said input end thereof towards said output end thereof. 13. The simultaneously matched mode antenna feedline of claim 11 wherein said transition section has an electrical length of at least one quarter of a wavelength of a lowest frequency signal to be fed through said matched mode antenna feedline. 14. The simultaneously matched mode antenna feedline of claim 11 wherein said tapered common member is linearly tapered, and wherein, in said transition section, said outer conductor of each said coaxial cable is removed therefrom in a linear tapered manner. 15. The simultaneously matched mode antenna feedline of claim 14 wherein said outer conductor of each said coaxial cable has been cut along an intersection of a plane with said coaxial cable and removed from said inner conductor on a side of said plane facing said output end of said coaxial cable. 16. The simultaneously matched mode antenna feedline of claim 15 wherein said plane intersects said coaxial cable at an acute angle measured from said input end of said transmission line. 17. The simultaneously matched mode antenna feedline of claim 11 wherein said tapered common member is comprised of an electrically conductive material. 18. The simultaneously matched mode antenna feedline of claim 17 wherein said electrically conductive material comprises at least one of aluminum, copper, brass, gold, and silver. 19. A simultaneously matched mode antenna feedline comprising: a substrate configured in a shape at least partially surrounding a volume; a plurality of electrically conductive strips provided on said substrate, each said strip extending parallel to said other strips between an input end thereof and an output end thereof; and a ground plane provided on said substrate, said ground plane being configured to transition said strips from a decoupled state proximal to said input ends thereof to a coupled state proximal to said output ends thereof. 20. The simultaneously matched mode antenna feedline of claim 19 wherein said substrate is configured in one of a cylindrical shape, a conical shape, and a multiple sided tubular shape. 21. The simultaneously matched mode antenna feedline of claim 19 wherein said ground plane comprises a plurality of tapered areas, each said tapered area being associated with a separate one of said strips and being tapered to a point proximal to said output end of its associated strip. 22. The simultaneously matched mode antenna feedline of claim 21 wherein said tapered areas of said ground plane are tapered in a linear manner proceeding from proximal to said input ends of said strips towards said output ends of said strips. 23. The simultaneously matched mode antenna feedline of claim 21 wherein said tapered areas of said ground plane are tapered in a non-linear manner proceeding from proximal to said input ends of said strips towards said output ends of said strips. 24. The simultaneously matched mode antenna feedline of claim 21 wherei