JP2010019695A - Measuring device and method for displaying tested result thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the problem that when transition of data for each measurement item in an electronic device to be tested is referenced, selection of data from a synoptic table of measurement history and displaying in detail should be repeatedly done in a conventional measuring device, and to select an optional measurement item via displaying in detail of measured results selected from a measuring history and to display transition of a measured value or a measured content of the item picked up or selected from measured results having different measurement dates and times in a measuring device for measuring a performance of an electronic device to be tested. <P>SOLUTION: This measuring device includes a measurement means for measuring an output signal output from an electronic device, a determination means for determining good or bad of a measurement value measured by the measurement means, a storage means for storing the measurement value measured by the measurement means and a determination result determined by the determination means, and a display means for displaying the measurement value and the determination result stored by the storage means. The display means displays the measurement value of the electronic device, the determination result and history of the measurement result accompanied with a specification value in a graph. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a measurement apparatus, and more particularly to display of test results of the measurement apparatus.

Conventionally, the measurement device keeps the past test results in the memory, compares the measurement results obtained in this test, and displays the measurement items with deteriorated characteristics differently from other measurement items. (For example, refer to Patent Document 1).
JP-A-9-264915

  In order to refer to the transition of data for each measurement item in an electronic device to be tested with a conventional measuring apparatus, it was necessary to repeatedly select data and display details from the measurement history list.

  The purpose of the present invention is to select an arbitrary measurement item from the detailed display of the measurement result selected from the measurement history in the measurement apparatus for measuring the performance of the electronic device to be tested, and select and select from the measurement results with different measurement dates and times. It displays the transition of measured values of items and details of measurement contents.

  The measuring device of the present invention is determined by a measuring unit that measures an output signal output from an electronic device, a determining unit that determines whether the measured value measured by the measuring unit is good, and a measured value that is measured by the measuring unit and the determining unit A storage unit for storing the determination result; and a display unit for displaying the measurement value stored in the storage unit and the determination result. The display unit displays the measurement value of the electronic device, the determination result, and the history of the measurement value as a specification value. It is characterized by being displayed as a graph.

  Further, the test result display method of the measuring device of the present invention measures the output signal from the electronic device, determines the quality of the measured value, stores the measured value and the determined determination result, and stores the stored measurement A graph is displayed with a specification value and a history of values, determination results, and measured values.

  According to the measuring apparatus of the present invention, it is possible to visually check the measurement history of the device by displaying on the screen whether the transition of the measurement result of any performance test with different measurement date and time is within the reference value. In addition, by displaying the contents of automatic measurement of the selected test item, the operator can easily confirm what kind of measurement results are obtained.

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram for explaining the operation of a measuring apparatus according to an embodiment of the present invention.

  In FIG. 1, a measuring apparatus 11 automatically performs a test according to the test content determined for each device under test 41 such as a radio device, stores the measured value obtained by the test, and determines whether the measured value is good or bad. This is also for storing the pass / fail judgment result.

  The measurement apparatus 11 includes a control unit 1 that performs overall control of the measurement apparatus 11 and determination of pass / fail of measurement values, and measurement units 4-1 to 4 that measure test signals 21 that are output signals output from the device under test 41. -N, a switching unit 5 for switching the measurement path between the device under test 41 and the measurement units 4-1 to 4-N, and an operation for inputting measurement conditions and the like via the control interface of the device under test 41 Operation unit 2 that outputs a signal, storage unit 9 that stores measurement values, measurement conditions, and determination results measured by measurement units 4-1 to 4-N, and measurement values, measurement conditions, and determinations stored in storage unit 9 A display unit 3 for displaying the result is provided.

The detailed operation of one embodiment of the present invention will be described with reference to FIG.
The measuring device 11 performs an automatic test according to the device under test 41. In order to perform an automatic test, the operation unit 2 outputs an operation signal 22 and inputs measurement conditions and the like to the device under test 41. The control unit 1 is composed of a processor such as a CPU (Central Processing Unit). During the test, the operation control of the device under test 41, the quality determination of the measurement values measured by the measurement units 4-1 to 4-N, The storage unit 9 is controlled so as to store the measurement value, the measurement condition, and the determination result.

  FIG. 2 is a hierarchy display diagram for explaining the hierarchy of the test result data stored in the storage unit 9 of the measuring apparatus 11 according to an embodiment of the present invention, which is displayed on the display unit 3. In the hierarchy, there are folders of “devices under test A, B, C,...” For each model of the device under test in the “test results” folder, and a serial number that is an individual identification symbol in the model folder. File “001, 002, 003...”, Which is test data for each test in the individual identification symbol folder. The test result data can be displayed on the display unit 3 by selecting the test data folder with a pointing device or the like. By selecting “Close” on the upper right of the display unit 3 with a pointing device or the like, the display of the hierarchy can be closed.

  FIG. 3 is a diagram for explaining the test result data of the file “003_20080521_112634” stored in the storage unit 9. The test result data is a test result obtained by performing a test using the measuring device 11, and is stored in the storage unit 9 using the date / time data in which the result is stored in units of device numbers of the device under test each time the test is performed. Accumulate data. The test result data stored in the storage unit 9 is test execution information such as test execution date and time (test start / end time), measurement values for each measurement item, and pass / fail judgment data.

FIG. 4 is a diagram for explaining test results displayed on the display unit 3 according to an embodiment of the present invention.
For example, the operator selects “A” from among A, B, C,... Of the device under test displayed in the measurement result list 31 of the display unit 3 in FIG. ”Is selected with a pointing device or the like, the control unit 1 reads out the measurement result data of the corresponding folder of the device number“ 003 ”of the device under test“ A ”stored in the storage unit 9 from the storage unit 9, The read measurement result data is expanded so that it can be displayed on the measurement result list 31 and then displayed on the display unit 3 as the measurement result list 31. The measurement result list 31 displays a device under test, a device number, a measurement date, a measurer, a measurement result, and the like.

  Further, for example, when the operator wants to display the measurement result of the measurement result list 31 shown in FIG. 4 on the display unit 3 whose measurement date is “May 21, 2008, 11:26:34”, the pointing device or the like is used. By selecting “May 21, 2008 11:26:34” and pressing “Measurement result display”, the control unit 1 reads the test result data of the measurement result detail display 32 from the storage unit 9 and displays it. Part 3 is displayed. The measurement result detail display 32 displays the measurement date, measurement person, measurement item, specification value, previous measurement value, measurement value, unit, determination result, and the like. The measurer can grasp the transition of the measurement value by comparing the “previous measurement value” and the “measurement value” displayed on the measurement result detail display 32 of the display unit 3.

Further, for example, when the operator wants to display the measurement history graph of the measurement item 5 on the display unit 3, by selecting “5” of the measurement item with a pointing device or the like and pressing “Measurement History Graph Display”, The control unit 1 reads out the measurement result data on the measurement history display 33 from the storage unit 9 and displays it on the display unit 3. The measurement history display 33 displays the measurement item name, the measurement date on the horizontal axis, the measurement value and specification value range on the vertical axis, and the measurement history in a line graph.
The measurement result list 31, the measurement result detail display 32, and the measurement history display 33 displayed on the display unit 3 in FIG. 4 may be displayed individually, and the combination and arrangement may be changed.

FIG. 5 is a flowchart for displaying a measurement history on the display unit 3 according to an embodiment of the present invention.
For example, when the operator wants to display the measurement history graph of the measurement item 5 on the display unit 3, when the measurement item “5” is selected with a pointing device or the like and the “measurement history graph display” is pressed, the control unit 1 Then, control is started from “START” in FIG. 5, and “5” which is the number n of the measurement item is acquired in step S1. In step S2, a file in the folder of the device under test “A” and device number “003” for displaying the result is searched. In step S3, a numerical value 0 is set to “X”. In step S4, it is determined whether all files in the folder “003” stored in the storage unit 9 have been searched. If the search has not been completed, the process proceeds to step S5. If the search has been completed, the process proceeds to step S5. The process proceeds to S7. In step S5, the numerical value 1 is added to “X”. In step S6, the fifth measurement value of the measurement item is acquired (read) from the storage unit 9, and the acquired (read) measurement value is defined as DATA (X). In step S7, DATA (0) to DATA (X) are displayed as broken lines in the column of the measurement history display 33 of the display unit 3, and the control is ended with “END”.

  When displaying the graph, the range of the specification value is displayed in different colors so that it can be seen whether the measurement value is within the specification value of the selected measurement item. The measurement value may be displayed so that the measurement history of an arbitrary measurement item can be visually recognized.

  FIG. 6 is a diagram for explaining the contents displayed on the display unit 3 with the test contents and device configuration of the measuring apparatus 12 according to an embodiment of the present invention.

  Since the test of the device under test 41 is automatically performed by the test apparatus 12, since the operator does not know what measurement value is obtained, the “test content display” in FIG. The control unit 1 displays the test contents and the device configuration on the display unit 3. Since the measurement item name, the test condition, and the device configuration are displayed on the display unit 3, the operator can check the test contents.

FIG. 6 shows the content of the test when the device under test 41 is a wireless device on the display unit 3.
In FIG. 6, the contents displayed on the display unit 3 include a measurement item name, a test condition, a device configuration of the measurement device 12, a connection and interface in the measurement device 12, and a connection and interface between the measurement device 12 and the device under test 41. It is.

The control unit 1 and the operation unit 2 described above may be a PC (personal computer). The storage unit 9 may be built in the control unit 1.
Although the present invention has been described in detail above, it is needless to say that the present invention is not limited to the measurement apparatus described herein, and can be widely applied to measurement apparatuses other than those described above.

It is a block diagram for demonstrating operation | movement of the measuring apparatus which is one Example of this invention. It is a hierarchy display figure for demonstrating the hierarchy of the test result data memorize | stored in the memory | storage part of the measuring apparatus which is one Example of this invention. It is a figure for demonstrating the test result file memorize | stored in the memory | storage part of one Example of this invention. It is a figure for demonstrating the test result displayed on the display part which is one Example of this invention. It is a flowchart for displaying a measurement history on the display part which is one Example of this invention. It is a figure for demonstrating the content which displayed the test content and apparatus structure of the measuring apparatus which is one Example of this invention on the display part.

Explanation of symbols

  1: control unit, 2: operation unit, 3: display unit, 4-1 to 4-N, 6: measurement unit, 5: switching unit, 9: storage unit, 11, 12: test apparatus, 41: device under test , 21: test signal, 22: operation signal.

Claims (2)

In the measuring device that measures the output signal from the electronic device under test,
Measuring means for measuring an output signal output from the electronic device, determination means for determining the quality of the measurement value measured by the measurement means, measurement value measured by the measurement means, and determination result determined by the determination means Storage means for storing, and display means for displaying the measurement values and determination results stored in the storage means,
The display device displays the measurement value of the electronic device, the determination result, and the history of the measurement value as a graph with a specification value. In the display method for displaying the measurement result of the measuring device that measures the output signal from the electronic device under test,
Measure the output signal from the electronic device, determine the quality of the measured value, store the measured value and the determined determination result, store the stored measured value, the determination result, and the history of the measured value A test result display method for a measuring apparatus, characterized by displaying a graph with specification values.