JP6484263B2 - Screen split display device, measuring device including the same, and screen split display method - Google Patents

Description

  The present invention relates to a screen split display device, a measurement device including the screen split display device, and a screen split display method. And a split screen display method.

  In recent years, communication systems have been steadily increasing in speed, and the performance of electronic devices and communication devices constituting the communication system is increasing. In the quality evaluation of devices compatible with such a high-speed communication system, a test using an error detection device using a pulse pattern such as a pseudo random bit sequence is widely performed.

  The error detection device is a device that detects a bit error by transmitting a pulse pattern to a device to be tested (Device Under Test: DUT) and comparing the transmitted pulse pattern with the pulse pattern returned from the DUT. Yes (see, for example, Patent Document 1).

  The conventional error detection apparatus as described above includes a plurality of pulse pattern generator modules and error detector modules, which are combined with a multiplexer or a demultiplexer to generate an error due to a high bit rate pulse pattern. Detection can be performed.

  Further, in the conventional error detection apparatus, an operation screen for setting measurement parameters and the like is prepared for each of a plurality of modules. These operation screens can be displayed not only on the display screen of the display device but also in any one of the divided areas divided into a plurality of display screens. In a state where the display screen is divided into a plurality of parts, the new operation screen is displayed in a divided area which is not currently focused.

JP 2014-68179 A

  However, in the conventional error detection device disclosed in Patent Document 1, it is difficult for the user to determine whether or not each divided region is focused. For this reason, when it is desired to display the operation screen of the error detector while the operation screen of the pulse pattern generator is already displayed, the following problem may occur. For example, if the operation screen of the pulse pattern generator is not focused, the error detector operation screen is displayed in the divided area where the pulse pattern generator operation screen was displayed. There was a problem that the operation screen of the error detector could not be displayed at the same time.

  The present invention has been made in order to solve such a conventional problem, and a desired display can be performed without making the user aware of whether or not each divided area of the display screen divided into a plurality of areas is focused. It is an object of the present invention to provide a screen split display device capable of easily displaying an operation screen for each measurement module in a split region, a measuring device including the screen, and a screen split display method.

  In order to solve the above-described problems, a screen split display device according to the present invention includes a display unit having a plurality of divided regions capable of displaying operation screens respectively corresponding to a plurality of measurement modules included in the measurement device, A screen split display device comprising: a display control unit that controls display content; and an operation unit that receives an operation on the display content displayed on the display unit, wherein the display control unit is configured to operate the operation unit. In response, the display module controls display of measurement module selection means for selecting a measurement module to call the operation screen from among the plurality of measurement modules, and the measurement module selection means selects the measurement module from the plurality of divided areas. Division region selection means for selecting a division region for displaying the operation screen of the selected measurement module in accordance with an operation to the operation unit The display control on the display unit, in the divided area selected by the divided-region selecting means, is configured to display control of the operation screen of the measuring module selected by the measurement module selection unit.

  With this configuration, the screen split display device according to the present invention performs splitting of the display screen and designation of the split region for displaying the control screen by the split region selection means before actually displaying the control screen for each measurement module. be able to. For this reason, the screen split display device according to the present invention can easily set a desired split area for each measurement module without making the user aware of whether each split area of the display screen divided into a plurality of parts is focused. An operation screen can be displayed.

  In the screen split display device according to the present invention, the operation screen is necessary for measuring an electric signal input to each measurement module or outputting a desired electric signal from each measurement module. A configuration including a screen for setting various measurement parameters may be used.

  With this configuration, the split screen display device according to the present invention can set measurement parameters for each of a plurality of measurement modules included in the measurement device.

  Moreover, in the screen division display apparatus which concerns on this invention, the said operation part may be comprised with the touchscreen provided in the surface of the display screen of the said display part.

  With this configuration, the screen split display device according to the present invention can reduce the size of the device and obtain good operability.

  In order to solve the above-described problems, a measurement apparatus according to the present invention includes any one of the above-described screen division display apparatuses and a plurality of slots for mounting a plurality of measurement modules.

  With this configuration, the measurement apparatus according to the present invention can be mounted by appropriately combining measurement modules in accordance with a measurement test.

  In the measurement apparatus according to the present invention, at least two of the plurality of measurement modules include a pulse pattern generator that outputs a pulse pattern to a test target, and the pulse pattern from the pulse pattern generator. An error detector that detects an error in the signal under measurement by comparing the signal under measurement output from the object under test with the input and the pulse pattern may be used.

  With this configuration, the measuring apparatus according to the present invention can perform error rate measurement on the signal under measurement output from the object under test.

  In the measurement apparatus according to the present invention, at least two of the plurality of measurement modules are provided with a signal generator that outputs a test signal to a test target, and an input of the test signal from the signal generator. A signal analysis apparatus that analyzes the signal under measurement output from the test object may be used.

  With this configuration, the measuring apparatus according to the present invention can perform quality evaluation on the signal under measurement output from the object under test.

  In order to solve the above-mentioned problem, a screen division display method according to the present invention includes a display unit having a plurality of divided regions capable of displaying operation screens respectively corresponding to a plurality of measurement modules included in the measurement apparatus; A screen division display method using a screen division display device comprising: a display control unit that controls display content; and an operation unit that receives an operation on the display content displayed on the display unit. In response to the first display control step of controlling display on the display unit, the measurement module selecting means for selecting the measurement module to call the operation screen from among the plurality of measurement modules, and the operation to the operation unit In response, the divided area for displaying the operation screen of the measurement module selected by the measurement module selecting unit from the plurality of divided areas. A second display control step of controlling display on the display unit for selecting a divided area for selecting; and the measurement module selected by the measurement module selecting means for the divided area selected by the divided area selecting means. And a third display control step for controlling the display of the operation screen.

  With this configuration, the split screen display method according to the present invention performs splitting of the display screen and designation of the split region for displaying the control screen by the split region selection means before actually displaying the operation screen for each measurement module. be able to. For this reason, the screen division display method according to the present invention can easily provide each measurement module in a desired division area without making the user aware of whether or not each division area of the divided display screen is focused. An operation screen can be displayed.

  The present invention can easily display an operation screen for each measurement module in a desired divided area without making the user aware of whether or not each divided area of the display screen divided into a plurality of parts is focused. The present invention provides a screen split display device, a measuring device including the screen split display device, and a screen split display method.

It is a block diagram which shows the structure of the screen division | segmentation display apparatus which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the error detection apparatus which concerns on one Embodiment of this invention. It is a display example (the 1) of a display part when a slot key is pressed and a division area selection window is displayed. It is a display example (the 1) of a display part when a division area selection window is operated and the operation screen is displayed. It is a display example (the 2) of a display part when a slot key is pressed and a division area selection window is displayed. It is the example of a display of a display part when the division area selection window is operated and the operation screen is displayed (the 2). It is a block diagram which shows the structure of the radio | wireless terminal measuring apparatus which concerns on one Embodiment of this invention. It is a flowchart which shows the process of the screen division | segmentation display method by the screen division | segmentation display apparatus which concerns on one Embodiment of this invention.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a screen division display device, a measurement apparatus including the screen division display method, and a screen division display method according to the present invention will be described with reference to the drawings.

  As shown in FIG. 1, a split screen display device 10 according to the present embodiment is provided in a measurement device 100. The screen division display device 10 includes a display unit 12 having a plurality of divided areas capable of displaying operation screens respectively corresponding to a plurality of measurement modules M (Ma to Md) included in the measurement unit 11 of the measurement device 100, and the display unit 12. The control part 13 as a display control part which controls the display content of this, and the operation part 14 which receives operation with respect to the display content displayed on the display part 12 are provided.

  The display unit 12 is configured by a display device such as an LCD or CRT, for example, and displays various display contents such as setting items and measurement results corresponding to each measurement module M in accordance with a control signal from the control unit 13. It has become. Furthermore, the display unit 12 may display operation objects such as buttons, soft keys, pull-down menus, text boxes, and the like for setting parameters of setting items.

  The control unit 13 is configured by a microcomputer including, for example, a CPU, ROM, RAM, HDD, and the like, and controls operations of the above-described units constituting the measuring apparatus 100.

  The operation unit 14 is for performing an operation input by the user, and is configured by a touch panel provided on the surface of the display screen of the display unit 12, for example. Alternatively, the operation unit 14 may include an input device such as a keyboard or a mouse.

  The measurement apparatus 100 is provided with a plurality of slots SL1 to SLn for mounting a plurality of measurement modules M in the housing. The plurality of measurement modules M are configured to be detachable from the slots SL1 to SLn. Although FIG. 1 shows an example in which the number n of the plurality of slots is 8, the present invention is not limited to this, and the number n of slots may be an integer of 2 or more. FIG. 1 shows an example in which the number of measurement modules M mounted in the eight slots SL1 to SL8 is 4, but the present invention is not limited to this, and the measurement modules mounted in a plurality of slots. The number of may be two or more.

  For example, in FIG. 1, the measurement module Ma mounted in the slot SL2 is a jitter modulation source (Jitter) 15, the measurement module Mb mounted in the slot SL3 is a pulse pattern generator (PPG) 16, and the measurement module mounted in the slot SL4. Mc is an error detector (ED) 17, and the measurement module Md mounted in the slot SL 5 is a synthesizer 18. The remaining slots SL1, SL5, SL7, SL8 are empty. These measurement modules M constitute an error detection device 110 as shown in FIG.

  The DUT 200 is arranged to output the signal under measurement output from the DUT 200 in response to the input of the test signal from the pulse pattern generator 16 to the error detector 17. Examples of standards that the DUT 200 supports include PCI Express (registered trademark), USB (registered trademark), CEI (Common Electrical Interface), Ethernet (registered trademark), InfiniBand, and the like.

The jitter modulation source 15 adds a desired jitter to the clock generated by the synthesizer 18 to generate a jitter clock. The pulse pattern generator 16 generates a pulse pattern such as a pseudo random bit sequence having a bit period of 2 ⁿ −1 using the jitter clock input from the jitter modulation source 15, and the generated pulse pattern is a test signal. Are output to the DUT 200.

  The error detector 17 compares the signal under measurement from the DUT 200 and the test signal to detect the bit error rate of the signal under measurement.

  It is also possible to perform error detection at a higher bit rate by mounting a plurality of pulse pattern generators 16 and error detectors 17 in slots SL1 to SLn and combining them with multiplexers or demultiplexers. It is.

  As shown in FIGS. 3 and 4, the control unit 13 operates from a plurality of measurement modules M mounted in any of the plurality of slots SL <b> 1 to SLn according to the operation of the operation unit 14 by the user. The slot key 22 for selecting the measurement module to call the screen 21 is displayed on the display screen 20 of the display unit 12. Here, the slot key 22 constitutes a measurement module selection means.

  Further, as shown in FIG. 3 and the like, the control unit 13 includes, for example, a measurement start button 24 for designating measurement start, a measurement stop button 25 for designating measurement stop, and the like in a predetermined area of the display unit 12. To be displayed.

  For example, the operation screen 21 sets measurement parameters necessary for measuring an electrical signal input to each measurement module M included in the measurement apparatus 100 or outputting a desired electrical signal from each measurement module M. Including a screen for. The operation screen 21 is prepared for each of the plurality of measurement modules M.

  The slot key 22 is a key for calling up the operation screen 21 of the measurement module M mounted in the corresponding slot SL1 to SLn when the slot key 22 is pressed and turned on by an operation on the operation unit 14 by the user. Furthermore, when the slot key 22 in the on state is pressed again, the operation screen of the measurement module M mounted in the corresponding slot may be closed.

  When any one of the slot keys 22 is pressed, the control unit 13 displays the divided area for displaying the operation screen 21 of the measurement module M selected by the slot key 22 from the plurality of divided areas of the display unit 12. Display area 12 is controlled to be displayed on the display unit 12 in accordance with an operation on the operation unit 14. Here, the divided area selection window 26 constitutes divided area selection means. The control unit 13 controls the display of the operation screen 21 of the measurement module M selected by the slot key 22 in the divided area selected by the divided area selection window 26.

  When there is an operation screen 21 currently displayed on the display unit 12, the divided region selection window 26 indicates for each divided region which slot the measurement screen M is mounted on. The structure is shown as an example.

  For example, when a part other than the divided area selection window 26 on the display screen 20 is pressed by the user operating the operation unit 14, the divided area selection window 26 can be closed without selecting the divided area. It has become.

  FIG. 3 shows a situation in which the divided region selection window 26 is displayed on the display unit 12 when the jitter modulation source 15 is mounted as the measurement module M in the slot SL2 and the slot SL2 is selected by the slot key 22. Show. FIG. 3 shows a state where the upper left divided area of the divided areas of the display screen 20 divided into four is selected in the divided area selection window 26 by the operation of the operation unit 14 by the user.

  FIG. 4 shows a situation where the operation screen 21 of the jitter modulation source 15 is displayed in the upper left divided region selected by the operation on the divided region selection window 26 shown in FIG.

  In FIG. 5, the pulse pattern generator 16 is mounted as the measurement module M in the slot SL 3, and the divided area selection window 26 is displayed on the display unit 12 when the slot SL 3 is selected by the slot key 22. Is shown. FIG. 5 shows a state where the upper right divided area of the divided areas of the display screen 20 divided into four is selected in the divided area selection window 26 by the user operating the operation unit 14.

  FIG. 6 shows a situation where the operation screen 21 of the pulse pattern generator 16 is displayed in the upper right divided region selected by the operation on the divided region selection window 26 shown in FIG.

  In addition, a process for newly displaying the operation screen 21 in a state where the operation screen 21 is displayed in all the divided areas of the display unit 12 is as described below, for example. That is, the control unit 13 frees the divided area where the operation screen 21 is displayed when the slot key 22 corresponding to any of the operation screens 21 already displayed is pressed again. Thereafter, when the slot key 22 corresponding to the new operation screen 21 is pressed, the control unit 13 starts up the divided region selection window 26. Thereafter, when a vacant divided area is selected by an operation on the divided area selection window 26 by the user, the control unit 13 displays a new operation screen 21 in the selected divided area.

  When the slot key 22 corresponding to the new operation screen 21 is pressed while the operation screen 21 is displayed in all the divided areas of the display unit 12, the control unit 13 causes the currently displayed operation to be performed. It is desirable to display a message or the like prompting the user to close some of the screens 21 on the display unit 12.

  The number of divisions of the display screen 20 is not limited to 4 shown in FIGS. 3 to 6 and may be other values. Further, the screen division display device 10 of the present embodiment may include a unit that sets the number of divisions of the display screen 20 to an arbitrary value.

  Note that the measurement apparatus 100 may be not only the error detection apparatus 110 shown in FIG. 2 but also a wireless terminal measurement apparatus 120 as shown in FIG. For example, in FIG. 1, a signal generator 41 is mounted as the measurement module M in the slot SL3, and a signal analyzer 42 as a signal analyzer is mounted as the measurement module M in the slot SL4.

  The DUT 200 here is, for example, a wireless terminal device having a wireless communication antenna and an RF circuit. Communication standards for DUT 200 include cellular (LTE, LTE-A, W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, 1xEV-DO, TD-SCDMA, etc.), wireless LAN (IEEE802.11b / g / a / n / ac / ad, etc.), Bluetooth (registered trademark), GNSS (GPS, Galileo, GLONASS, BeiDou, etc.), FM, and digital broadcasting (DVB-H, ISDB-T, etc.).

  The signal generator 41 generates a test signal corresponding to the frequency of each communication standard and outputs the generated test signal toward the DUT 200.

  The signal analyzer 42 analyzes the signal under measurement output from the DUT 200 in response to the input of the test signal from the signal generator 41. For example, the signal analyzer 42 can perform measurements for evaluating the quality of radio signals such as frequency, occupied bandwidth, in-band frequency characteristics, adjacent channel leakage power, and spurious radiation.

  Note that the test signal includes a control signal for performing various controls corresponding to the communication standard of the DUT 200, such as setting the DUT 200 in a call connection state to the wireless terminal measurement device 120 of the present embodiment. Further, the signal under measurement is not only a response signal from the DUT 200 to the test signal output from the wireless terminal measuring apparatus 120 of the present embodiment, but also output from the DUT 200 regardless of the test signal from the wireless terminal measuring apparatus 120. May be a transmission signal to be transmitted.

  In addition, by mounting a plurality of signal generators 41 and signal analyzers 42 in the slots SL1 to SLn, a plurality of test signals are input to the DUT 200, and a plurality of signals to be measured output from the DUT 200 by the signal analyzer 42 are obtained. It is also possible to evaluate.

  Hereinafter, a screen division display method using the screen division display device 10 of the present embodiment will be described with reference to the flowchart of FIG.

  First, the control unit 13 controls the display unit 12 to display a GUI (Graphical User Interface) including a slot key 22 for selecting a measurement module to call the operation screen 21 from among a plurality of measurement modules M (first display). Display control step S1).

  Next, the control unit 13 detects whether or not the desired slot key 22 has been pressed by the user (step S2).

  Next, as shown in FIGS. 3 and 5, the control unit 13 displays a divided region selection window 26 for selecting a divided region for displaying the operation screen 21 of the measurement module M selected in step S2. Display control is performed (second display control step S3).

  Next, the control unit 13 determines whether or not the divided region selection window 26 is closed by the user (step S4). If the determination is negative, the process proceeds to step S5. If the determination is affirmative, the process ends.

  Next, the control unit 13 determines whether or not a divided area is selected in the divided area selection window 26 by the user (step S5). If the determination is negative, the process returns to step S4. If the determination is affirmative, the process proceeds to step S6.

  Next, as shown in FIGS. 4 and 6, the control unit 13 controls display of the operation screen 21 of the measurement module M selected by the slot key 22 in the divided area selected by the divided area selection window 26 ( Third display control step S6).

  Next, the control unit 13 performs display control for closing the divided region selection window 26 (step S7).

  As described above, the screen split display device 10 according to the present embodiment splits the display screen 20 and the operation screen 21 by the split region selection window 26 before actually displaying the operation screen 21 for each measurement module M. It is possible to specify a divided area for displaying. For this reason, it is possible to easily display the operation screen 21 for each measurement module in a desired divided area without making the user aware of whether each divided area of the display screen 20 divided into a plurality is focused. .

  Further, the screen division display device 10 according to the present embodiment can set measurement parameters for each of the plurality of measurement modules M included in the measurement device 100.

  In addition, the screen split display device 10 according to the present embodiment can be downsized and have excellent operability by configuring the operation unit 14 with a touch panel provided on the surface of the display screen 20 of the display unit 12. Can be obtained.

  In addition, the measurement apparatus 100 according to the present embodiment enables mounting by appropriately combining the measurement modules M according to the measurement test.

  In addition, the measuring apparatus 100 according to the present embodiment can perform error rate measurement and quality evaluation on the signal under measurement output from the DUT 200.

DESCRIPTION OF SYMBOLS 10 Screen split display device 11 Measurement part 12 Display part 13 Control part 14 Operation part 15 Jitter modulation source 16 Pulse pattern generator 17 Error detector 18 Synthesizer 20 Display screen 21 Operation screen 22 Slot key 24 Measurement start button 25 Measurement stop button 26 Division area selection window 41 Signal generator 42 Signal analyzer 100 Measuring device 110 Error detecting device 120 Wireless terminal measuring device 200 DUT
M, Ma to Md measurement modules SL1 to SLn slots

Claims (10)

A display unit (12) having a plurality of divided areas capable of displaying operation screens (21) respectively corresponding to a plurality of measurement modules (M) included in the measurement apparatus (100, 110, 120), and display contents of the display unit A screen splitting display device (10) comprising: a display control unit (13) for controlling the display; and an operation unit (14) for receiving an operation on the display content displayed on the display unit,
The display control unit
Display control of a measurement module selection means (22) for selecting a measurement module to call the operation screen from among the plurality of measurement modules in response to an operation on the operation unit on the display screen (20) of the display unit. And
Before displaying the operation screen on the display unit, the divided area for displaying the operation screen of the measurement module selected by the measurement module selecting unit from the plurality of divided areas is operated on the operation unit. Display control of the divided region selection means (26) for selecting according to the display on the display screen of the display unit,
In the divided area selected by the divided area selecting means, display control of the operation screen of the measurement module selected by the measurement module selecting means ,
The measurement apparatus includes a plurality of slots (SL1 to SLn) for detachably mounting the plurality of measurement modules in an arbitrary combination on the housing,
The divided region selection means simply determines in which slot of the plurality of slots the operation module currently displayed on the display unit is the measurement module mounted for each divided region. A split screen display device characterized by showing .   The operation screen includes a screen for measuring an electric signal input to each of the measurement modules or setting a measurement parameter necessary for outputting a desired electric signal from each of the measurement modules. The screen division display apparatus according to claim 1, wherein The operating unit, the screen division display device according to claim 1 or claim 2, characterized in that it is constituted by a touch panel provided on a surface of the display screen of the display unit. The display control unit terminates display of the operation screen on condition that the measurement module selection unit corresponding to the operation screen currently displayed on the display unit is pressed by an operation on the operation unit. The screen division | segmentation display apparatus in any one of Claims 1-3 characterized by the above-mentioned. The display control unit displays the divided region selection unit without selecting the divided region on the condition that a portion other than the divided region selection unit on the display screen is pressed by an operation on the operation unit. 5. The screen division display device according to claim 1, wherein the screen splitting display device is terminated. In the display control unit, the measurement module selection unit corresponding to the operation screen that is not currently displayed is pressed by an operation on the operation unit in a state where the operation screen is displayed in all the divided areas. 6. The screen split display device according to claim 1, wherein a message prompting the user to close some of the currently displayed operation screens is displayed on the display unit. . A measurement apparatus comprising the screen split display device according to any one of claims 1 to 6. At least two of the plurality of measurement modules include a pulse pattern generator (16) that outputs a pulse pattern to the test target (200), and the pulse pattern input from the pulse pattern generator, 8. The measuring apparatus according to claim 7, wherein the measuring apparatus is an error detector (17) that detects an error in the signal under measurement by comparing the signal under measurement output from the object under test with the pulse pattern. . At least two of the plurality of measurement modules include a signal generator (41) that outputs a test signal to the test target (200), and the test target in accordance with the input of the test signal from the signal generator. The measurement apparatus according to claim 7, wherein the measurement apparatus is a signal analysis apparatus (42) that analyzes a signal under measurement output from an object. A display unit (12) having a plurality of divided areas capable of displaying operation screens (21) respectively corresponding to a plurality of measurement modules (M) included in the measurement apparatus (100, 110, 120), and display contents of the display unit A screen split display method using a screen split display device (10) comprising: a display control unit (13) for controlling the display; and an operation unit (14) for receiving an operation on display contents displayed on the display unit,
Display control of a measurement module selection means (22) for selecting a measurement module to call the operation screen from among the plurality of measurement modules in response to an operation on the operation unit on the display screen (20) of the display unit. A first display control step (S1),
Before displaying the operation screen on the display unit, the operation screen of the measurement module selected by the measurement module selection unit is displayed from the plurality of divided regions according to an operation on the operation unit. A second display control step (S3) for controlling display of the divided area selecting means (26) for selecting the divided area on the display screen of the display unit;
A third display control step (S6) for controlling the display of the operation screen of the measurement module selected by the measurement module selection means in the divided area selected by the divided area selection means;
The measurement apparatus includes a plurality of slots (SL1 to SLn) for detachably mounting the plurality of measurement modules in an arbitrary combination on the housing,
The divided region selection means simply determines in which slot of the plurality of slots the operation module currently displayed on the display unit is the measurement module mounted for each divided region. A split screen display method characterized by showing.

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