Radio receiver and reception frequency setting method used therein, and frequency setting device and frequency setting method
AssigneeJVC KENWOOD Corporation
InventorShinichiro Wakamatsu
Life of this patent
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Abstract
A spectrum analyzer is configured to display, on a display, reception signal intensity of each of multiple frequencies. A smoothing unit is configured to smooth signal intensity data of each of the multiple frequencies to produce smoothed data. A peak frequency detection unit is configured to detect, as a peak frequency, a frequency at a position indicating a maximum value in the smoothed data closest to a contact position that a touch sensor detects. A reception frequency determination unit is configured to determine a reception frequency of a radio wave that a receiver for a voice call receives based on the peak frequency.
Claims9
A radio receiver comprising:
- a spectrum analyzer configured to receive radio waves of multiple frequencies in a predetermined frequency band and measure reception signal intensity of each of the multiple frequencies so as to display the reception signal intensity on a display;
- a touch sensor placed on the display;
- a smoothing unit configured to smooth signal intensity data indicating the reception signal intensity of each of the multiple frequencies to produce smoothed data;
- a peak frequency detection unit configured to detect, as a peak frequency, a frequency at a position indicating a maximum value in the smoothed data closest to a contact position that the touch sensor detects;
- a receiver for a voice call configured to receive a signal of a frequency used for a voice call;
- and
- a reception frequency determination unit configured to determine, based on the peak frequency, a reception frequency of a radio wave that the receiver for a voice call receives.
A reception frequency setting method comprising:
- receiving radio waves of multiple frequencies in a predetermined frequency band and measuring reception signal intensity at predetermined time intervals;
- displaying the reception signal intensity of each of the multiple frequencies on a display of a spectrum analyzer;
- smoothing signal intensity data indicating the reception signal intensity of each of the multiple frequencies to produce smoothed data;
- detecting a contact position by a touch sensor placed on the display;
- detecting, as a peak frequency, a frequency at a position indicating a maximum value in the smoothed data closest to the contact position;
- and
- determining, based on the peak frequency, a reception frequency of a radio wave that the receiver for a voice call receives.
A frequency setting device comprising:
- a spectrum analyzer configured to measure signal intensity that an input signal of each of multiple frequencies in a predetermined frequency band has so as to display the signal intensity of each of the multiple frequencies on a display;
- a touch sensor placed on the display;
- a smoothing unit configured to smooth signal intensity data indicating the signal intensity of each of the multiple frequencies to produce smoothed data;
- a peak frequency detection unit configured to detect, as a peak frequency, a frequency at a position indicating a maximum value in the smoothed data closest to a contact position that the touch sensor detects;
- and
- a frequency determination unit configured to determine a setting frequency based on the peak frequency.
A frequency setting method comprising:
- measuring, at predetermined time intervals, signal intensity that an input signal of each of multiple frequencies in a predetermined frequency band has;
- displaying the signal intensity of each of the multiple frequencies on a display of a spectrum analyzer;
- smoothing signal intensity data indicating the signal intensity of each of the multiple frequencies to produce smoothed data;
- detecting a contact position by a touch sensor placed on the display;
- detecting, as a peak frequency, a frequency at a position indicating a maximum value in the smoothed data closest to the contact position;
- and
- determining a setting frequency based on the peak frequency.
Dependencies are inferred from the claim text.