1
Crall Richard F: Method and apparatus for spectral dispersion of the radiated energy from a digital system.. Tektronix, December 4, 1985: EP0163313-A2 (37 worldwide citation)

Method and apparatus are disclosed for dispersing the electromagnetic energy radiated from a digital system to minimize the EMI snd RFI emanating from such a system. To accomplish this, one approach of the present invention includes a VCO which is modulated by a band-limited signal to provide a syst ...


2
Crall Richard F: Portable infrared imaging apparatus.. Compix, February 8, 1989: EP0302682-A1

Manually portable apparatus enabling high-resolution, two-dimensional infrared imaging of remote, non-contacting targets is described. An on-axis optical subsystem (12) consists of a single, single-faceted planar scanning mirror (20) that is reciprocable by stepper motors (36,38) about two orthogona ...


3
Crall Richard F: Appareil dimagerie infrarouge portatif, Portable infrared imaging apparatus. Compix Incorporated, FETHERSTONHAUGH & CO, September 24, 1991: CA1289655

Abstract of the Disclosure Manually portable apparatus enabling high-resolution,two-dimensional infrared imaging of remote, non-contactingtargets is described. An on-axis optical subsystem consists ofa single, single-faceted planar scanning mirror that isreciprocable by stepper motors about two orth ...