Digital optical pattern transformation system with optical memories

Claim 2

A digital optical pattern transformation system with optical memories comprising: an input information pre-processor for transforming input information to digital signals; a light source controller for emitting simultaneously multiple light beams corresponding to the digital signals; an optical memory device including a memory array which forms simultaneously multiple light patterns, each of which corresponds to each of said multiple light beams; and an output information detector for combining those of the read out patterns which are associated with each other so as to allow them to be mutually superposed and generating an output comprised to the corresponding digitalized parallel signals derived from said bit composition.

Claim 3

A system according to claim 1 wherein the light source controller comprises laser beam emitting elements arranged in the matrix form in a number of m X n to produce multiple coherent light beams; and the optical memory device comprises holograms set in the matrix form to cause plural optical patterns to be produced by irradiance of said multiple coherent light beams.

Claim 4

A system according to claim 1 wherein the input information pre-processor comprises means for forming the input information into an information carrier in which there are spatIally arranged multiple optical gates with limited aperture; and the light source controller comprises a light source emitting light beam, whereby passage of the beam from said light source through the aperture of the information carrier provides multiple light beams.

Claim 5

A digital optical pattern transformation system with optical memories comprising: an input information pre-processor for receiving optical patterns comprised of incoherent light beams and generating digital electric signals according to the optical patterns received; a light source controller for producing multiple coherent light beams from light sources arranged in the matrix form in a number of m X n according to the digital electric signals from said pre-processor; an optical memory device for reconstructing plural data patterns from a memory array which includes multiple holograms arranged in the matrix form when there are projected multiple coherent light beams generated by the light source controller; and an output information detector for detecting the light intensity of each bit of the read out patterns produced by the optical memory array so as to cause the origins thereof to be superposed on each other and generating an electrical digital output information corresponding to said superposed optical output pattern.

Claim 6

A digital optical pattern transformation system with optical memories comprising: an input information pre-processor for receiving optical patterns comprised of incoherent light beams and generating digital electric signals according to the optical patterns received; a light source controller for producing multiple coherent light beams from light sources arranged in the matrix form in a number of m X n according to the digital electric signals from said pre-processor; an optical memory device for reconstructing plural data patterns from a memory array which includes multiple holograms arranged in the matrix form when there are projected multiple coherent light beams generated by the light source controller; and an output information detector for detecting the light intensity of each bit of the read out patterns produced by the optical memory array so as to cause the origins thereof to be superposed on each other and generating an electrical digital output information corresponding to said superposed optical output pattern.

Claim 7

A system according to claim 4 wherein an assembly of the input information pre-processor and light source controller includes a light source emitting an incoherent light beam; a foreground object formed into an information carrier adapted to be illuminated by said incoherent light beams; a lens for focusing light beams reflected from the foreground object which is recorded with an optical pattern; a mosaic device in which there are arranged multiple photoelectric conversion elements in the matrix form; means for converting the optical pattern to digital parallel electric signals; and a mosaic device in which there are arranged plural laser elements for generating multiple coherent light beams corresponding to said digital parallel electric signals.

Claim 8

A digital optical pattern transformation system with optical memories comprising an input information pre-processor for transforming input information to first digital signals and second digital signals constituting complements thereto; a light source controller comprised of multiple light sources arranged in the matrix form in a number of m X n for receiving the first and second digital signals and emitting from the light sources the first and second groups of light beams corresponding to both types of digital signals; an optical memory array comprised of multiple memory elements arranged in the matrix form for receiving the first and second groups of light beams and providing the first and second data patterns stored in said memories corresponding to the first and second light beams; and an output information detector for detecting the light intensity of each bit of those specified of the first and second patterns respectively generated by the optical memory array so as to cause them to be superposed on each other and producing a final electrical output information signal corresponding to each bit of said superposed output pattern.

Claim 9

A digital optical pattern transformation system with optical memories comprising an input information pre-processor for transforming input information to first digital signals and second digital signals constituting complements thereto; a light source controller comprised of multiple light sources arranged in the matrix form in a number of m X n for receiving the first and second digital signals and emitting from the light sources the first and second groups of light beams corresponding to both types of digital signals; an optical memory array comprised of multiple memory elements arranged in the matrix form for receiving the first and second groups of light beams and providing the first and second data patterns stored in said memories corresponding to the first and second light beams; and an output information detector for detecting the light intensity of each bit of those specified of the first and second patterns respectively generated by the optical memory array so as to cause them to be superposed on each other and producing a final electrical output information signal corresponding to each bit of said superposed output pattern.

Claim 10

A digital optical pattern transformation system with optical memories wherein the input information pre-processor comprises a light source projecting an incoherent light beam on a foreground object, a first lens for focusing an optical pattern reflected from the foreground object, a mask for quantizing the optical patterns, a second lens for focusing the quantized optical patterns from the mask, a beam splitter for producing two same optical patterns and photoelectric conversion means for detecting two optical patterns produced by the beam splitter and generating the first digital signals and the second digital signals constituting complements thereto; the light source controller comprises a first array of laser elements arranged in the matrix form to generate coherent lighT beams in response to the first signals, and a second array of laser beams emitting coherent light beams in response to the second signals similarly to said first array; the optical memory array comprises a first group of holograms illuminated by coherent light beams generated by the first array and a second group of holograms illuminated by coherent light beams produced by the second array; and the output information detector identifies by comparison the first digitalized output read out of the first group of holograms and the second digitalized output read out of the second group of holograms. overload valve means connected to said conduit means wherein said overload valve means causes pre-pro-essor reduction in pressure during said overload condition.

Claim 11

A digital optical pattern transformation system with optical memories wherein the input information pre-processor comprises a light source projecting an incoherent light beam on a foreground object, a first lens for focusing an optical pattern reflected from the foreground object, a mask for quantizing the optical patterns, a second lens for focusing the quantized optical patterns from the mask, a beam splitter for producing two same optical patterns and photoelectric conversion means for detecting two optical patterns produced by the beam splitter and generating the first digital signals and the second digital signals constituting complements thereto; the light source controller comprises a first array of laser elements arranged in the matrix form to generate coherent lighT beams in response to the first signals, and a second array of laser beams emitting coherent light beams in response to the second signals similarly to said first array; the optical memory array comprises a first group of holograms illuminated by coherent light beams generated by the first array and a second group of holograms illuminated by coherent light beams produced by the second array; and the output information detector identifies by comparison the first digitalized output read out of the first group of holograms and the second digitalized output read out of the second group of holograms. overload valve means connected to said conduit means wherein said overload valve means causes pre-pro-essor reduction in pressure during said overload condition.

Claim 12

In combination with a metal forming press having a frame and a press bed, a hydraulic control system for prestressing said frame and for providing overload protection for said press comprising: digitalized digitalized a first bearing means having an upper surface and a segmentally spherical lower surface wherein said lower side of said press bed rests on said upper surface of said first bearing means; a second bearing means having an upper surface with a cavity therein and a lower surface wherein said lower surface of said second bearing means engages said frame; a piston means operably positioned within said cavity of said second bearing means, said piston means having a lower surface an an upper surface, said upper surface having a cavity therein, and wherein said upper surface of said piston operably engages said segmentally spherical lower surface of said first bearing means; a segmentally spherical third bearing means operably engaging the upper side of said press bed; a fourth bearing means having an upper surface operably engaging said frame and a lower surface comprising a spherical cavity which is in operable engagement with said third bearing means wherein said frame is movably connected to said press bed; a first hydraulic chamber, said first chamber being substantially formed by said lower surface of said first bearing means and by said upper surface of said piston means; a second hydraulic chamber, said second chamber being substantially formed by said lower surface of said piston means and by said upper surface of said second bearing means; a third hydraulic chamber connecting said first and second hydraulic chambers; conduit means connected to said second chamber adapted to convey a liquid under pressure to said first and secone chambers, said fluid pressure being sufficien to carry the tonnage of said press during normal operation wherein said fluid pressure in said first chamber substantially supports said first bearing means thereby accommodatin slight movement of said press bed with respect to said frame and wherein said fluid pressure in said first and second chambers exerts a pressure on said first, second, third and fourth bearing means thereby prestressing said frame an causing said press bed to be secured to said frame; accumulator means connected to said conduit means for absorbing small changes in said fluid pressure due to momentary press overloads; an overload valve means connected to said conduit means wherein said overload control valve is adapted to reduce said fluid pressure during an overload condition of said press and wherein said fluid pressure is restored by said overload valve means when said overload condition is eliminated.

Claim 13

In combination with a metal forming press having a frame and a press bed, a hydraulic control system for prestressing said frame and for providing overload protection for said press comprising: digitalized digitalized a first bearing means having an upper surface and a segmentally spherical lower surface wherein said lower side of said press bed rests on said upper surface of said first bearing means; a second bearing means having an upper surface with a cavity therein and a lower surface wherein said lower surface of said second bearing means engages said frame; a piston means operably positioned within said cavity of said second bearing means, said piston means having a lower surface an an upper surface, said upper surface having a cavity therein, and wherein said upper surface of said piston operably engages said segmentally spherical lower surface of said first bearing means; a segmentally spherical third bearing means operably engaging the upper side of said press bed; a fourth bearing means having an upper surface operably engaging said frame and a lower surface comprising a spherical cavity which is in operable engagement with said third bearing means wherein said frame is movably connected to said press bed; a first hydraulic chamber, said first chamber being substantially formed by said lower surface of said first bearing means and by said upper surface of said piston means; a second hydraulic chamber, said second chamber being substantially formed by said lower surface of said piston means and by said upper surface of said second bearing means; a third hydraulic chamber connecting said first and second hydraulic chambers; conduit means connected to said second chamber adapted to convey a liquid under pressure to said first and secone chambers, said fluid pressure being sufficien to carry the tonnage of said press during normal operation wherein said fluid pressure in said first chamber substantially supports said first bearing means thereby accommodatin slight movement of said press bed with respect to said frame and wherein said fluid pressure in said first and second chambers exerts a pressure on said first, second, third and fourth bearing means thereby prestressing said frame an causing said press bed to be secured to said frame; accumulator means connected to said conduit means for absorbing small changes in said fluid pressure due to momentary press overloads; an overload valve means connected to said conduit means wherein said overload control valve is adapted to reduce said fluid pressure during an overload condition of said press and wherein said fluid pressure is restored by said overload valve means when said overload condition is eliminated.

Claim 14

In combination with a metal forming press having a frame, a press bed, and a crankshaft, a hydraulic control system for prestressing said frame comprising: a first bearing assembly means for movably connecting said frame to the lower side of said press bed; a second bearing assembly means for movably connecting said frame to the upper side of said press bed; piston means associated with said first bearing assembly means; a first hydraulic chamber meano operably associateD with said first bearing assembly means and substantially enclosing said piston means, said first hydraulic chamber beinj adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to carry the tonnage of said press during normal operation and wherein said fluid pressure causes said first and second bearing assembly means to exert a pressure on said frame and said press bed thereby securely fastening said press bed to said frame; a first bearing means rotatably connected to an encircling said crankshaft; a third bearing assembly means for movably connecting the upper portion of said first bearing means to said frame; a fourth bearing assembly means for movably connecting the lower portion of said first bearing means to said frame; ane second hydraulic chamber means operably associated with said third bearing assembly means, said second hydraulic chamber means being adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to impose a load greater than the tonnage of said press wherein said fluid pressure causes said third and fourth bearing assembly means to exert a pressure on said first bearing means and said frame thereby securely supporting said crankshaft and securely fastening said first bearing means to said frame and wherein said pressures exerted in first and second hydraulic chamber means causes a prestressing of said frame thereby eliminating stress excursions of said frame.

Claim 15

In combination with a metal forming press having a frame, a press bed, and a crankshaft, a hydraulic control system for prestressing said frame comprising: a first bearing assembly means for movably connecting said frame to the lower side of said press bed; a second bearing assembly means for movably connecting said frame to the upper side of said press bed; piston means associated with said first bearing assembly means; a first hydraulic chamber meano operably associateD with said first bearing assembly means and substantially enclosing said piston means, said first hydraulic chamber beinj adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to carry the tonnage of said press during normal operation and wherein said fluid pressure causes said first and second bearing assembly means to exert a pressure on said frame and said press bed thereby securely fastening said press bed to said frame; a first bearing means rotatably connected to an encircling said crankshaft; a third bearing assembly means for movably connecting the upper portion of said first bearing means to said frame; a fourth bearing assembly means for movably connecting the lower portion of said first bearing means to said frame; ane second hydraulic chamber means operably associated with said third bearing assembly means, said second hydraulic chamber means being adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to impose a load greater than the tonnage of said press wherein said fluid pressure causes said third and fourth bearing assembly means to exert a pressure on said first bearing means and said frame thereby securely supporting said crankshaft and securely fastening said first bearing means to said frame and wherein said pressures exerted in first and second hydraulic chamber means causes a prestressing of said frame thereby eliminating stress excursions of said frame.

Claim 16

In combination with a metal forming press having a crankshaft, a hydraulic control system comprising: a first bearing means rotatably connected to and encircling said crankshaft; a first bearing assembly means for movably connecting the upper portion of said first bearing means to said frame; a second bearing assembly means for movably connecting the lower portion of said first bearing means to said frame; an hydraulic chamber means operably associated with said first bearing assembly means, said hydraulic chamber being adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to impose a load greater than the tonnage of said press wherein said fluid pressure causes said first and second bearing assembly means to exert a pressure on said first bearing means and said frame thereby securely supporting said crankshaft and securely fastening said first bearing means to said frame.

Claim 17

In combination with a metal forming press having a crankshaft, a hydraulic control system comprising: a first bearing means rotatably connected to and encircling said crankshaft; a first bearing assembly means for movably connecting the upper portion of said first bearing means to said frame; a second bearing assembly means for movably connecting the lower portion of said first bearing means to said frame; an hydraulic chamber means operably associated with said first bearing assembly means, said hydraulic chamber being adapted to convey a fluid under pressure wherein said fluid pressure is sufficient to impose a load greater than the tonnage of said press wherein said fluid pressure causes said first and second bearing assembly means to exert a pressure on said first bearing means and said frame thereby securely supporting said crankshaft and securely fastening said first bearing means to said frame.

Claim 18

The hydraulic control system of claim 14 wherein said first bearing assembly comprises: a second bearing means having a lower surface with a cavity therein, said cavity being adapted to movably engage said upper portion of said first bearing means; an a third bearing means comprising an upper surface adapted to engage said frame and a lower surface having a cavity therein.

Claim 19

The hydraulic control system of claim 15 wherein said hydraulic chamber means comprises a chamber being substantially formed by said upper surface of said second bearing means and said lower surface of said third bearing means wherein said fluid under pressure causes said second bearing means and said second bearing assembly to prestress said frame.