"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
|5666417||Fluorescence authentication reader with coaxial optics|
A multiple-reader system for authentication of articles uses a first reader (400) which employs predetermined modulated illuminating light (20) and a multiplicity of discriminating variables, such as wavelengths (110), amplitudes (120), and time delays (1...
|5418855||Authentication system and method|
A system for authentication of articles uses a multiplicity of discriminating variables to characterize light detected from the articles after predetermined illumination. Articles are tested which have been marked with substances such as dye or ink that f...
|5063303||Soft start circuit|
A soft start circuit for hot installation of modules into an active bus. A very low Rds MOSFET provides bias through its drain to source path from a bus supply. This path is activated by a gate bias network which charges a capacitor from a supp...