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Greb, US

Karl F. Greb, Missouri City, TX US

Patent application numberDescriptionPublished
20090141011Systems and Methods for Driving Multiple Displays Using a Common Display Driver - Various systems and methods for implementing multi-display driver systems are disclosed. As one example, a display system is disclosed that includes a display driver, a processor, a computer readable medium, and a splitter device. The computer readable medium includes instructions executable by the processor to configure the display driver to provide a display output set for a virtual display. The splitter device is operable to receive at least a portion of a display output set, and to provide a first display output to drive a first display and a second display output to drive a second display based on the portion of the display output set.06-04-2009
20100085096ENERGY-EFFICIENT CLOCK SYSTEM - A system comprises first timing logic configured to produce a first signal and second timing logic configured to produce a second signal. The system also comprises processing logic coupled to the first and second timing logic. The system further comprises clock logic that determines elapsed time using the first signal. The processing logic compares the first and second signals and, based on the comparison, the system adjusts the elapsed time.04-08-2010
20100088446PRIORITIZING INTERRUPT CONTROLLER - A system comprises processing logic. The system also comprises a first interrupt controller coupled to the processing logic and configured to manage interrupts provided to the processing logic. The system further comprises a second interrupt controller coupled to the first interrupt controller. The second interrupt controller is programmable to distribute received interrupts to the first interrupt controller via different output ports.04-08-2010
20100088542LOCKUP RECOVERY FOR PROCESSORS - A system comprises processing logic configured to assert a lockup signal upon detection of a fault condition and a module coupled to the processing logic and configured to activate a counter upon receiving the lockup signal. After the module activates the counter and before the counter reaches a predetermined threshold, the processing logic attempts to correct the fault condition and the module prevents the processing logic from being reset.04-08-2010
20100088563SAVING DEBUGGING CONTEXTS WITH PERIODIC BUILT-IN SELF-TEST EXECUTION - A system comprises built-in self-test (BIST) logic configured to perform a BIST, processing logic coupled to the BIST logic and storage logic coupled to the processing logic. The storage logic comprises debug context information associated with a debugging session. Prior to performance of the BIST, the processing logic stores the debug context information to a destination. After performance of the BIST, the processing logic is reset, and the processing logic restores the debug context information from the destination to the storage logic.04-08-2010
20100088760DEBUG SECURITY LOGIC - A system comprises debug logic usable to debug the system. The system also comprises processing logic capable of accessing the debug module using electronic signals. The system further comprises security logic configured to prevent the processing logic from accessing the debug logic unless the security logic is provided with a passkey that matches another passkey stored in the system.04-08-2010

Karl Friedrich Greb, Missouri City, TX US

Patent application numberDescriptionPublished
20120066551Run-time Verification of CPU Operation - Safe operation in a processor may be verified by making use of an execution trace module that is normally only used for testing and software development. During operation of the processor in the field, a sequence of instructions may be executed the processor. A portion of the execution is traced to form a sequence of trace data. The sequence of trace data is compressed to form a checksum. The checksum is compared to a reference checksum, and an execution error is indicated when the checksum does not match the reference checksum.03-15-2012

Richard G. Greb, Raleigh, NC US

Patent application numberDescriptionPublished
20090257741Stabilizer Device for Optical Equipment - A stabilizer for a hand-held optical device includes a gyroscope assembly suspended below a base assembly, and a handle pivotably attached to the base assembly. The optical device, which may be a video camera, mounts to the base assembly. The gyroscope assembly has two or more rotatable members that pivot independently to stabilize the optical device about two or more axes of rotation whenever the user moves the stabilizer. A rigid strut connects the gyroscope to the base assembly such that the centers of rotation of the rotatable members are co-linear with a longitudinal axis that extends the handle.10-15-2009
20100238345Adjustable Control for an Inertial Stabilizer - A handle assembly connects to a support assembly of an inertial stabilizer. The handle assembly comprises a handle grip, a multi-axis joint that allows the handle grip to move relative to the support assembly about two or more axes of rotation, and an adjustable friction control that allows a user to adjust or vary an amount of friction that is applied to the axes of rotation. Allowing the user to increase and decrease the amount of friction applied to the axes of rotation in a controlled manner allows the user to effectively isolate the inertial stabilizer from the undesirable effects of user motion.09-23-2010