JPH0621710A - Portable radio equipment - Google Patents

Abstract

PURPOSE:To provide the portable radio equipment in which a built-in antenna is exposed at an outside of a case even when a whip antenna is contained so as to attain an excellent transmission reception state. CONSTITUTION:A coil shaped built-in antenna 16 is provided in an inside of a decoration crown 15 for plating prevention at a tip of a whip antenna 13 telescopically contained in a case, and either of the antennas is selected by selecting the connection at the extraction of the antenna 13 and at the retraction respectively. Furthermore, the equipment is made small by providing the built-in antenna 16 to the outside of the case.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable radio device in which a main antenna such as a whip antenna has another antenna built therein.

[0002]

2. Description of the Related Art In recent years, portable wireless devices have become rapidly popular with the expansion of service areas such as cellular phones using radio waves, downsizing of devices, cost reduction, and reduction of call costs. It was

A conventional portable radio apparatus will be described below with reference to the drawings. FIG. 3 is a configuration diagram of a conventional portable wireless device. In FIG. 3, 1 is a housing, 2 is a transmission / reception circuit, and 3 is a housing that can be housed inside the housing 1 and operates when pulled out from the housing 1. The whip antenna, 4 is an antenna terminal provided at the lower end of the whip antenna 3, 5 is a decorative ball at the tip of the whip antenna 3, and 6 is an antenna contact point to be connected to the antenna terminal 4, and 7 is a housing 1 A built-in antenna that is provided inside and that operates in a standby state when the whip antenna 3 is housed inside the housing 1 is an antenna changeover switch that switches the connection between the whip antenna 3 and the built-in antenna 7. Further, FIG. 4 shows that the whip antenna 3 is housed in the housing 1 in the portable wireless device of the conventional example,
It is a figure which shows the state switched to the built-in antenna 7.

The operation of the conventional portable radio apparatus configured as described above will be described below. When performing normal wireless communication, pinch the decorative ball 5 at the tip of the whip antenna 3 to prevent eye contact, pull out the whip antenna 3 housed in the housing 1, connect the antenna terminal 4 to the antenna contact 6, and switch the antenna. The switch 8 connects the whip antenna 3 and the transmission / reception circuit 2, and the whip antenna 3 is used for wireless communication. In addition, when the waiting state for waiting for an incoming call after the communication is completed or the electric field level of the radio signal is strong and good communication is possible even with the built-in antenna 7, the whip antenna 3 is housed in the housing 1 as shown in FIG. Even when the built-in antenna 7 and the transmission / reception circuit 2 are coupled by the antenna changeover switch 8 and the whip antenna 3 is housed, the built-in antenna 7 can be used to wait for an incoming call or perform wireless communication.

[0005]

However, in the conventional portable wireless device, the built-in antenna is installed inside the housing, which is disadvantageous in downsizing the device, and the whip antenna is housed to operate the built-in antenna. There is a problem that the transmission / reception characteristics of radio waves are not good because the installation position of the built-in antenna is not at the tip of the device when it is put in a pocket, a bag or the like in a standby state at some time.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a portable radio apparatus capable of downsizing the apparatus and improving the transmission / reception characteristics of a built-in antenna.

[0007]

In order to achieve the above object, the present invention incorporates a coil-shaped antenna inside a decorative ball at the tip of a whip antenna, and connects the decorative ball and the whip antenna at the joint. A first conductive joining terminal is provided, and a second conductive joining terminal is provided at a portion where the ornamental ball comes into contact with the housing when the whip antenna is completely housed in the housing. Is configured to be connected to the transmission / reception circuit via the antenna changeover switch.

[0008]

With the above structure, when the whip antenna is pulled out from the housing, only the whip antenna is connected to the transmission / reception circuit, and when the whip antenna is completely stored in the housing, the first joining terminal is used. And the second joint terminal come into contact with each other, the antenna incorporated in the ornamental ball is connected to the transmitting / receiving circuit.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, 11 is a housing, 12 is a transmission / reception circuit, 13 is a whip antenna which can be housed inside the housing 11 and operates when pulled out, and 14 is a whip antenna 1
3 is an antenna terminal provided at the lower end of the whisker, 15 is a decorative ball at the tip of the whip antenna 13 for preventing eye dents, and 16 is an eye for operating in a standby state when the whip antenna 13 is housed inside the housing 11. A coil-shaped built-in antenna formed inside the tamper-proof ball 15; 17 is an antenna terminal provided at the joint between the built-in antenna 16 and the whip antenna 13; 18 is connected to the antenna terminal 14 and the antenna terminal 17. The antenna terminal 19 is an antenna changeover switch for switching the connection between the whip antenna 13, the built-in antenna 16 and the transmission / reception circuit 12. Further, FIG. 2 is a diagram showing a state in which the whip antenna 13 is housed in the housing 11 and switched to the built-in antenna 16 in the portable wireless device of this embodiment.

The operation of the portable radio apparatus configured as described above will be described below. When performing normal wireless communication, the decorative ball 15 at the tip of the whip antenna 13 for preventing eye contact is pinched, the whip antenna 13 housed in the housing 11 is pulled out, the main antenna terminal 14 is connected to the antenna terminal 18, and the antenna is connected. The changeover switch 19 connects the whip antenna 13 and the transmission / reception circuit 12, and wireless communication is performed using the whip antenna 13. Further, in the case of waiting for an incoming call after the communication is completed, or when the electric field level of the wireless signal is strong and good communication is possible even with the built-in antenna 16, as shown in FIG.
The built-in antenna terminal 14 is connected to the antenna terminal 18, and the built-in antenna 16 and the transmission / reception circuit 12 are coupled by the antenna changeover switch 19 to obtain the whip antenna 1
Even in the state where 3 is housed, the built-in antenna 16 of the decorative ball 15 for preventing eye contact at the tip of the whip antenna 13 protruding above the housing 11 can be used for waiting for incoming calls or performing wireless communication.

[0012]

As described above, according to the present invention, the coil-shaped built-in antenna is formed inside the decorative ball for preventing the weight of the tip of the whip antenna. Since it is not necessary to provide a built-in antenna in the space of the device, the housing can be made smaller and portability is improved, and in the standby state where the whip antenna is stored, the built-in antenna is installed at the tip of the outside of the device housing. The built-in antenna is easily exposed even when carried in
In addition, it is possible to provide a mobile wireless device that can obtain a good transmission / reception state with a built-in antenna.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a state in which a whip antenna of a portable wireless device according to an embodiment of the present invention is used.

FIG. 2 is a configuration diagram showing a state in which the built-in antenna of the portable wireless device is used.

FIG. 3 is a configuration diagram showing a state in which a whip antenna of a conventional portable wireless device is used.

FIG. 4 is a configuration diagram showing a state in which a built-in antenna of the portable wireless device is used.

[Explanation of symbols]

 11 housing 12 transmitting / receiving circuit 13 whip antenna 14 antenna terminal 15 ornament ball 16 built-in antenna 17 antenna terminal 18 antenna terminal 19 antenna changeover switch

Claims (1)

[Claims] 1. A decorative ball comprising a rod-shaped member that can be inserted into and taken out of a housing, and has a decorative ball having a diameter larger than a diameter of a cross section in the radial direction of the rod-shaped member at a tip of the rod-shaped member away from the housing, An antenna is incorporated inside the ornamental ball, a conductive first terminal is provided at a connecting portion between the antenna and the conductive member so as to be exposed to the outside, and the side of the rod-shaped member on which the ornamental ball is not present. A whip antenna having a conductive second terminal at its tip and having a locking portion for locking with the housing, and a hole portion having a diameter in the housing that allows the whip antenna to be inserted and removed. A conductive third terminal provided at a position where the whip antenna is brought into contact with the first terminal when the whip antenna is housed in the housing, and the second terminal is provided when the whip antenna is pulled out from the housing.
A portable wireless device, comprising: a metal member disposed at a position for urging the terminal; and a switch section that switches between energization from the second terminal and energization from the third terminal.