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1565results about How to "Reduce resource requirements" patented technology

Method for managing and accessing relational data in a relational cache

For an object-based application being executed in a digital computing system a framework is provided for managing information retrieved from a structured database, such as a relational database. The processor is used to construct a single cohesive data structure, called a relational cache, that comprises all the row instances and that represents information retrieval from the structured database in a form suitable for use by one or more applications. An application may have several of these relational caches active at any one time, some of which may represent separate user editing sessions, where each session may be saved or discarded independently. The framework ensures that only one copy of a row instance is in a given cache at any given time, even if several different queries return the same information from the database. Row instances within the relational cache may be modified by the application, where the row instances are marked as modified but not saved to the database at that time. The framework ensures all modified row instances within the cache are saved at one time, which are presented to the database as a single transaction, with individual rows ordered so as not to violate database referential integrity rules. Other properties of the framework are disclosed.
Owner:WHITMORE THOMAS JOHN

Multiplex JTAG (Joint Test Action Group) interface-based FPGA (Field Programmable Gate Array) on-chip logic analyzer system and method

ActiveCN102541707AReduce demandReduce the number of output pinsLogical operation testingSignal onHuman–machine interface
The invention discloses a multiplex JTAG (Joint Test Action Group) interface-based FPGA (Field Programmable Gate Array) on-chip logic analyzer system and method, which relate to field programmable gate array technology, are used for realizing debug and observation of an internal signal of an FPGA, and mainly comprise a multiplex JTAG interface, an on-chip logic analyzer circuit and a human-computer interface module, wherein the on-chip logic analyzer circuit can be used for selecting different sampling signals on line; and the human-computer interface module is used for receiving sampling signals and triggering states simultaneously. The multiplex JTAG interface-based FPGA on-chip logic analyzer system and method have the beneficial effects that: a method for utilizing the multiplex JTAG interface to realize the on-chip logic analyzer system is provided, and the sampling signals are selected on line, so that the requirement of the on-chip logic analyzer system for on-chip sampling storage resources is reduced, wherein the required storage resource quantity is inversely proportional to the number of sampling signal groups; and a method capable of realizing time division transmission of the sampling signals and triggering state information of JTAG is provided, so that the efficiency for debugging the FPGA is improved.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Authorization and management system for laboratory instrument

The invention provides an authorization management system of laboratory instruments, which is used to manage the laboratory instruments. The authorization management system comprises an instrument authorization control server for the real-time communication with an instrument authorization controller; a control console of the instrument authorization control system for setting the configuration of the instrumentauthorization control server; an instrument authorization management system comprising an instrument application authorization subsystem, an instrument application log management subsystem, an instrument files management subsystem and a user management subsystem; an instrument authorization controller for receiving the command from the service terminal to turn on the instrument switch. The user submits the application of the instrument application for approval and authorization via a WEB browser. The authorization management system of laboratory instruments can enable the instrument manager to control the authorization of the instrument application, simultaneously enable the operation of experimenters to be recorded, thereby greatly reducing the instrument damage caused by the violation operation, enabling the instrument management to be more systematic and the management cost to be lower.
Owner:曾里

Dynamic regulating system of mix proportion of concrete mixing plant

The invention provides a dynamic regulating system of the mix proportion of a concrete mixing plant. The dynamic regulating system comprises a sensor measurement system, a signal transmitting system, a central control system and a data storage system. The system is used for detecting the aggregate water content on line via a water content sensor installed on the inner wall of a stock bin or below a material outlet, and transmitting the water content information collected automatically to the central control system of the concrete mixing plant in real time; concrete mix proportion parameters can be amended automatically by the system according to the operational rule of increasing the aggregate and reducing mixing water, and the amount of concrete aggregate blended materials and the amount of mixing water blended materials can be regulated simultaneously so as to guarantee the uniformity and stability of concrete quality; the whole dynamic regulation process can be completed within seconds without affecting the production efficiency, so that the system can be widely applied to the concrete mixing plant in the field of civil engineering, not only can improve the automation degree of the mixing plant and improve the production quality of concrete, but also can reduce the working intensity of operators and reduce the personnel configuration, thereby lowering the cost greatly.
Owner:RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI
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