Abstract: A method and system of recording successive holograms in a recording medium including a reflective substrate layer, a polarization shifting layer, and a photorecording medium layer is presented. A reference beam and an object beam are propagated at a first direction to a first area of the photorecording medium layer, where the reference beam and object beam have a same first polarization and interfere to produce a first interference grating. The reference beam and object beam are reflected with the reflective substrate layer to be incident the photorecording medium at a second direction, where the reference beam polarization and object beam polarization are altered with the polarization shifting layer to have a same second polarization. The reflected reference beam and object beam interfere to produce second interference grating, with the first polarization and second polarization being different.

Abstract: A pipelined processor and method are disclosed for speculatively determining dependencies. The processor processes a plurality of instructions in order. A speculative detection circuit which takes multiple clock cycles to operate determines whether a dependency exists. The speculative detection circuit inserts a single-cycle pipeline stall only in response to a determination that a speculative dependency exists.

Abstract: The present invention provides a solution to the needs described above through a system and method for holographic storage. The system comprises a laser light source, a first beam splitter for splitting a light beam into an object and reference beam, an elliptical reflector with a first and second focal point, a reflector rotatable about a first axis and a second axis, a pattern encoder, and a holographic storage medium. The reflector is located at the first focal point of the elliptical mirror, and the holographic storage medium is located at the second focal point of the elliptical mirror.

Abstract: A condition code register architecture for supporting multiple execution units is disclosed. A master execution unit is coupled a master condition code register such that condition codes generated by the master execution unit are stored in the master condition code register. A non-master execution unit is coupled to a shadow condition code register such that condition codes generated by the non-master execution unit are stored in the shadow condition code register. A tag unit coupled to the master execution unit and the non-master execution unit such that an entry within the master condition code register can be read only when a corresponding entry within the tag unit is referenced to the master execution unit or the master condition code register.

Abstract: An instruction fetching system (and/or architecture) which may be utilized by a high-frequency short-pipeline microprocessor, for efficient fetching of both in-line and target instructions. The system contains an instruction fetching unit (IFU), having a control logic and associated components for controlling a specially designed instruction cache (I-cache). The I-cache is a sum-address cache, i.e., it receives two address inputs, which compiled by a decoder to provide the address of the line of instructions desired fetch. The I-cache is designed with an array of cache lines that can contain 32 instructions, and three buffers that each have a capacity of 32 instructions.

Abstract: A method and apparatus for using dynamic programmable logic arrays in microprocessor control logic provide decreased power and increased clock frequencies for data processing systems, by using programmable logic arrays exclusively for the control logic. The method and apparatus further simplify the design of the control logic and closure of timing within the microprocessor, by providing overlap of control logic evaluations and data transfers within the microprocessor.

Abstract: A processor that promotes accelerated resolution of conditional branch instructions includes an instruction sequencer that fetches a plurality of instructions and a detector that detects, among the plurality of fetched instructions, a condition-setting instruction and a conditional branch instruction that depends upon the condition-setting instruction. The processor further includes a decoder that decodes the conditional branch instruction to produce a decoded condition type and an execution unit. In response to the detection of the condition-setting instruction and the conditional branch instruction, the execution unit resolves the conditional branch instruction by evaluating the condition-setting instruction and the decoded condition type in a single operation. Because the condition code bits are not computed or stored as an intermediate result as in prior art processors, branch resolution is accelerated.

Abstract: A pipelined processor and method are disclosed including an improved history file unit. The pipelined processor processes a plurality of instructions in order. A register file is included which includes a different read port coupled to each register field in an instruction buffer for reading data from the register file. A history file unit is included and is coupled to each of the read ports of the register file for receiving a copy of all data read from the register file.

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of the shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extending from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38,40) to maintain their spaced relationship.

Abstract: The present invention provides a solution to the needs described above through a system and method for holographic storage. The system comprises a laser light source, a first beam splitter for splitting a light beam into an object and reference beam, an elliptical reflector with a first and second focal point, a reflector rotatable about a first axis and a second axis, a pattern encoder, and a holographic storage medium. The reflector is located at the first focal point of the elliptical mirror, and the holographic storage medium is located at the second focal point of the elliptical mirror.

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of the shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extending from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38,40) to maintain their spaced relationship.

Abstract: In a first embodiment of the invention, a method and system of recording successive holograms in a recording medium is presented. The method utilizes a multilayer holographic storage media comprising a reflective substrate layer, a polarization shifting layer disposed above the reflective substrate layer, and a photorecording medium layer disposed above the polarization shifting layer. A reference beam and an encoded object beam are propagated at a first direction to a first area of the photorecording medium layer, where the reference beam and encoded object beam have a same first polarization and interfere to produce a first interference grating.

Abstract: An apodization system for achieving a substantially uniform intensity profile of a modulated reference beam on a holographic recording medium is disclosed. The substantially uniform intensity profile serves to improve the quality of any and all recorded holograms. In high-density holographic storage, the apodization system reduces the required hologram extent while still maintaining any fidelity constraints (power budget, imaging tolerances, error-rate, noise floor). Furthermore, in high-fidelity holographic storage, better control of the hologram recording parameters can be established. The improved control allows tighter specifications on the image quality to be achieved.

Abstract: A polymer composition comprises at least one substantially non-conductive polymer and at least one electrically conductive filler and in the form of granules, the granules preferably being in the size range up to 1 mm and more preferably between 0.04 mm and 0.2 mm, with the volume ratio of conductor to polymer preferably being at least 3:1.

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of the shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extending from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38,40) to maintain their spaced relationship.

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of the shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extending from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38, 40) to maintain their spaced relationship.

Abstract: A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) where X and Y are independently selected from oxygen, sulfur, and fully-substituted nitrogen where R1 and R2 are independently selected from hydrogen, halogen, or an organic group, with the proviso that at least one of R1 or R2 be hydrogen or halogen, R3 is an organic group R4 and R5 are independently selected organic groups, with the proviso that R3 is not hydrogen.

Abstract: A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) 1

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of the shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extending from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38, 40) to maintain their spaced relationship.

Abstract: A method of mixing viscous fluids is disclosed. The method comprises rotating a mixing apparatus (20) in a container (42) of fluid (44). The mixing apparatus comprises a cage (21) located at the end of a shaft (22). The cage (21) comprises a central circular disc (24) with an outer edge (43) and top (38) and bottom (40) sides. A number of vanes (26) extend from each side of the disc (24), the vanes (26) spacedly located near the outer edge of the plate. The free ends of the vanes (26) are connected by a hoop (38, 40) to maintain their spaced relationship.