Radio receiver and reception frequency setting method used therein, and frequency setting device and frequency setting method
First Claim
Patent Images
1. 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.
1 Assignment
0 Petitions
Accused Products
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.
-
Citations
9 Claims
-
1. 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. - View Dependent Claims (2, 3, 4)
-
-
5. 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.
-
-
6. 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. - View Dependent Claims (7, 8)
-
-
9. 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.
-
Specification