| 摘要 |
An apparatus for displaying waveform of a physiological signal such as a cardiographic signal has a waveform display control device for picking up the physiological signal and for conducting a control for displaying the waveform of the physiological signal in the form of a continuous waveform or a freeze waveform, a pattern display control device for forming a pattern signal of a back scale which is displayed simultaneously with the waveform of the physiological signal and for conducting a control to vary the brightness of the display of the back scale depending on whether the waveform of the physiological signal is displayed in the form of the continuous waveform or the freeze waveform, and a display monitor device for displaying the physiological signal waveform and the back scale on a display screen thereof. When the apparatus is used in the mode for displaying the physiological signal in the form of a continuous waveform, the brightness of display of the back scale pattern signal is lowered or reduced to zero, whereas, when the apparatus is used in a mode for displaying the physiological signal in the form of a freeze waveform, the brightness of display of the back scale pattern signal is elevated.
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