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A measuring device with zoom display function

A measurement device and function technology, applied in the field of measurement devices with zoom display function, can solve the problems that users cannot observe the details of real-time waveform curves and the display space is limited, etc.

Active Publication Date: 2019-01-29
SUZHOU RIGOL PRECISION ELECTRIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the technology disclosed in this patent application, the real-time waveform curve displayed on the right side of the waveform display interface only occupies half of the waveform display interface, and the display space is limited, and the user cannot observe the details of the real-time waveform curve.

Method used

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  • A measuring device with zoom display function
  • A measuring device with zoom display function
  • A measuring device with zoom display function

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Embodiment Construction

[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] refer to figure 1 , which shows a structural diagram of an embodiment of a measurement device with a zoom display function in the present invention, the measurement device 100 includes:

[0039] a storage unit 101, configured to store measurement data a collected in real time;

[0040] Function key 102, used to generate key information b when triggered by the user;

[0041] The control unit 103 is configured to obtain the current zoom factor c according to the key information b, and read the measurement data a from the storage unit 101 according to the current zoom factor c as the display data d;

[0042] The display unit 104 is used to determine the abscissa of each display data d in the waveform display interface accord...

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Abstract

The invention provides a measurement device with a zoom display function, which comprises a storage unit, a function key, a control unit, and a display unit, wherein the storage unit is used for storing measurement data acquired in real time; the function key is used for generating key information when triggered by a user; the control unit is used for acquiring the current zoom multiple according to the key information and reading the measurement data from the storage unit to serve as display data; the display unit is used for determining a horizontal coordinate of each display data in a waveform display interface according to the current zoom multiple, and a longitudinal coordinate of each display data in the waveform display interface is determined according to the maximal value and the minimal value in the display data; and a waveform curve is drawn in the waveform display interface according to the horizontal coordinate and the longitudinal coordinate. Through zoom display of the invention, horizontal and longitudinal change trends of the waveform curve can be observed, and the details of the waveform curve can also be observed.

Description

technical field [0001] The invention relates to the technical field of test and measurement, in particular to a measuring device with a zoom display function. Background technique [0002] In the field of testing and measurement, with the advancement of technology, the functions of measuring devices are constantly improving and developing. The measuring device can be an oscilloscope, a multimeter, a data acquisition switch device, etc. The waveform display function is a common function of the measuring device. [0003] The Chinese patent application with the application number 201010534702.X discloses a digital multimeter that uses waveforms to display measurement results. The digital multimeter of this patent application includes: a measuring unit, a control unit and a display unit. The measurement unit is used to generate measurement data; the control unit is used to generate real-time waveform display data and trend waveform display data according to the measurement dat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R13/00
Inventor 张灵敏王悦王铁军李维森
Owner SUZHOU RIGOL PRECISION ELECTRIC TECH