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Saitama, Japan

Patent
Advantest Corporation | Date: 2015-01-15

A test program allows an information technology equipment connected to a tester hardware to control the tester hardware. The tester hardware is configured to be capable of changing at least a part of its functions according to configuration data stored in rewritable nonvolatile memory. The test program is configured as a combination of a control program and a test algorithm module. The test program comprises: a module that acquires the configuration data from the nonvolatile memory of the tester hardware and a module that judges whether or not a storage device holds a test algorithm module that can be used together with the configuration data.


Patent
Advantest Corporation | Date: 2015-04-15

Method and apparatus for performing Pattern-Controlled tests on an automatic test equipment (ATE). The ATE includes a diagnostic instrument and a control device. An application programming interface (API) is installed in the control device and operates to interact with a test program and thereby automatically controls the diagnostic instrument to perform a test. The test program is coded in a high-level programming language and defines a plurality of operation events for the test based on user input. The API identifies the operational events and determines respective operational types associated therewith. Events of an operational type are assigned to a respective pattern label. The pattern labels are then aggregated into a pattern burst which is downloaded to the diagnostic instrument.


Patent
Advantest Corporation | Date: 2015-04-15

System and method of selecting defective columns in NAND memory devices for repair. After locating the defective blocks and defective columns in a NAND memory device, a weight value is calculated for each defective block by dividing a total number of defective blocks that would be inherently repaired as a result of repairing the respective defective block by a number of defective data columns in the respective defective block. A defective block with the greatest weight value is selected for repair in which the defective columns in the selected block are substituted by redundant columns. Other defective blocks with defective columns having the same column addresses with the defective columns in the selected defective block are automatically selected for repair as well. Remaining defective columns are selected for repair by iteratively updating weight values and selecting a defective block that has the greatest weight value among the remaining defective blocks.


To measure the content percentage of fat in a liver without increasing hardware size, provided is a measurement apparatus that supplies an ultrasonic signal to a body part and receives a response signal that has passed through an inner portion of the body part, the measurement apparatus including an ultrasonic signal generating section that generates the ultrasonic signal according to a control signal; a loop control section that supplies the control signal to the ultrasonic signal generating section in response to receiving the response signal that has passed through the body part; and a frequency measuring section that measures a repeating frequency of the control signal repeatedly supplied by the loop control section.


To measure the content percentage of fat in a liver without increasing hardware size, provided is a measurement method and a measurement apparatus including a touching unit that supplies an ultrasonic signal to a body part and receives a response signal that has passed through an inner portion of the body part; a measuring unit that is connected to the touching unit and measures a characteristic of the body part based on the response signal received by the touching unit; and a switching section that switches between connecting the touching unit to the measuring unit and connecting the touching unit to an image generation apparatus that generates an image of a region including the body part in response to the touching unit scanning the region.

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