1. An information device that performs radio communication with a plurality of controlled devices and that controls a specified controlled device, the information device comprising:
a parameter indicating section that indicates a radio signal to be demodulated;
a radio communication section that receives a plurality of radio signals having different parameters indicative of distance-dependent radio wave characteristics from the respective controlled devices and that demodulates the indicated radio signal;
an ID detection section that detects ID information included in the demodulated radio signal; and
a display control section that causes the controlled device corresponding to the ID information to be displayed on a screen, wherein
the parameter indicating section indicates that the radio signals are to be demodulated in descending order of the parameters indicative of the distance-dependent radio wave characteristics.
2. The information device according to claim 1, wherein:
the parameter is a frequency; and
the parameter indicating section indicates that the radio signals are to be demodulated in descending order of frequencies.
3. The information device according to claim 1, wherein:
the parameter is a transmission rate; and
the parameter indicating section indicates that the radio signals are to be demodulated in descending order of transmission rates.
4. The information device according to claim 1, wherein:
the parameter is an electric field strength; and
the parameter indicating section indicates that the radio signals are to be demodulated in ascending order of electric field strengths.
5. The information device according to claim 1, wherein, when instructed from a user to select another controlled device while the controlled device is displayed on a screen, the parameter indicating section indicates the next radio signal to be demodulated.
6. A controlled device that transmits a plurality of radio signals having different parameters of distance-dependent radio wave characteristics to the information device according to claim 1.
7. A radio communication system comprising:
a plurality of controlled devices that transmit a plurality of radio signals having different parameters indicative of distance-dependent radio wave characteristics; and
an information device that performs radio communication with the plurality of controlled devices and that controls a specified controlled device, wherein
the information device demodulates the radio signals in descending order of the parameters indicative of the distance-dependent radio wave characteristics and causes the controlled device corresponding to ID information included in the demodulated radio signal to be displayed on a screen.
8. A controlled device selection method in an information device that performs radio communication with a plurality of controlled devices and that controls a specified controlled device, the method comprising:
indicating that radio signals to be demodulated are demodulated in such a way that the radio signals are demodulated in descending order of parameters indicative of distance-dependent radio wave characteristics;
receiving a plurality of radio signals having different parameters indicative of distance-dependent radio wave characteristics from the respective controlled devices and demodulating the indicated radio signal;
detecting ID information included in the demodulated radio signal; and
causing the controlled device corresponding to the ID information to be displayed on a screen.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. In a missile adapted to be launched while moving along a rail of a launch tube, a missile launch and guidance apparatus, comprising:
a bushing inserted into a missile body;
a shoe, one end of which is inserted into the bushing, and the other end of which is in contact with the rail; and
a spring inserted between the bushing and the shoe so as to provide a separation force to the shoe against the bushing.
2. The apparatus of claim 1, wherein an air vent hole is formed in the bushing.
3. The apparatus of claim 1, wherein the bushing is inserted into the bushing receiving groove formed in the missile body.
4. The apparatus of claim 1, wherein a boss portion inserted into the bushing is formed at one end of the shoe, and a rail assembly portion in contact with the rail is formed at the other end thereof.
5. In a missile adapted to be launched while moving along a rail of a launch tube, a missile launch and guidance apparatus, comprising:
a bushing inserted into a missile body;
a shoe, one end of which is inserted into the bushing, and the other end of which is in contact with the rail; and
a pressure cartridge installed on the outer surface of the bushing so as to be opposite to the rail.
6. The apparatus of claim 5, wherein a mounting portion for assembling the pressure cartridge is formed on the outer surface of the bushing.
7. The apparatus of claim 5, wherein a pressure concentrating portion is formed in the shoe.
8. The apparatus of claim 5, wherein an O-ring groove is formed on the outer surface of the shoe.
9. The apparatus of claim 5, wherein the bushing is inserted into the bushing receiving grove formed in the missile body.
10. The apparatus of claim 9, wherein the bushing is formed integral with the missile body.
11. The apparatus of claim 5, wherein a boss portion inserted into the bushing is formed at one end of the shoe, and a rail assembly portion in contact with the rail is formed at the other end thereof.
12. The apparatus of claim 11, wherein the boss portion of the shoe is formed in a cylindrical form.