摘要:
Autostereoscopic images are produced by projecting a stereo pair of images onto a modified cube-corner retroreflective material. The cube-corner differs from that commonly available in that it has been altered to return the light to viewers eyes rather than directly back to the source of the projection.
摘要:
An optical, waveguide, quasi-phase-matching frequency converter has integral means to vary the efficiency of the quasi-phase-matching frequency conversion process resulting in intensity modulation of the device output; said frequency converter has integral means to optimize the quasi-phase-matching frequency conversion process resulting in optimum device output; and said frequency converter has integral input signal polarization mode conversion means in optional combination with the conversion optimization means for modulating the optimized device output. Methods for modulating and optimizing the quasi-phase-matching frequency converted signal by electro-optically controlling the dispersion of the frequency converting medium are also disclosed.
摘要:
A light modulator device for use in a light valve imaging system to image print media with different light colors comprising a panel of electro-optic material of the type which changes the polarization of transmitted light selectively upon application of an electric field and a plurality of electrode pairs, linearly spaced along the panel to define an array of modulator gap portions between respective electrode pairs. The modulator gap portions associated with different color filters have a different dimension selected respectively to effect maximum light transmission for different light colors under address by approximately the same voltage.
摘要:
A system for improving the uniformity of light valve imaging apparatus of the kind having an array of spaced light valve portions, a source for directing generally uniform illumination through the light valve portions, and means for scan-indexing the light valve image along an image zone. The improved system comprises source-scan means for scanning the source illumination onto the light valve array in synchronism with the scan-indexing of the light valve image.
摘要:
Image-based products are obtained from a digital motion picture source by utilizing a content playing and display system for (a) displaying a sequence of motion picture image frames from a digital motion picture image source containing motion picture contents, and (b) selecting one or more of the image frames for an image-based product and obtaining a unique frame identification for said one or more selected frames; a content management system that (a) utilizes the unique frame identification and determines whether at least one permissible image-based product can be made from said one or more selected frames, and (b), if a permissible image-based product may be made as determined, obtains file data corresponding to said one or more selected frames from a digital source file containing source information corresponding to the motion picture contents; an order management system for preparing order information for the permissible image-based product from the file data; and an order fulfillment system for generating the image-based product from the file data according to the order information.
摘要:
A method for determining affective information for at least one image in an imaging system includes sequentially displaying a plurality of digital images for viewing by a user; monitoring the viewing time for each of the plurality of digital images; and using the viewing time to determine affective information for at least one of the digital images.
摘要:
A multiwavelength upconversion waveguide laser producing visible or ultraviolet wavelength radiation comprising a semiconductor laser diode producing relatively long wavelength radiation, a channel waveguide having a thin film material which converts the relatively long wavelength radiation into visible or ultraviolet wavelength radiation, and a optical resonator which recirculates the visible or ultraviolet wavelength radiation. The optical resonator may use an output optical coating or one or more Bragg grating reflectors as an output coupler. One or more optical resonators may be used to produce one or more visible or ultraviolet radiation wavelengths. One or more independently controllable lightwave modulators are used to modulate the visible or ultraviolet wavelength radiation.
摘要:
An electro-optic modulator comprises a panel of electro-optic material containing a plurality of pixel regions which are activatable from an isotropic to birefringent state by application of an electric field, each pixel region including at least four linear electrodes extending transversely thereacross in a regularly spaced relation. In one preferred embodiment such electrodes have gaps therebetween in the range from about 50 microns to about 100 microns. In a related aspect the intra-pixel electrodes of each pixel region have a width in the range of from about 25 microns to 75 microns. In another aspect such electrodes can have one of several preferred structural configurations facilitating electrical addressing.
摘要:
Light valve imaging apparatus utilizes an area light valve array to effect high pixel resolution exposure of a line of record medium passing through an area exposure region during a plurality of partial-line-exposure sub-periods.
摘要:
Color imaging apparatus, for use with a multi-color mixture of photoconductive particles or other color sensitive imaging layers, comprises a plurality of separately-addressable, electro-optical illuminating means which concurrently subject a plurality of picture elements of such imaging layer respectively to different color light pulses in accordance with the color content of the image to be formed.