JPS6367032A - Portable radio equipment - Google Patents

Abstract

PURPOSE:To prevent an antenna from being influenced by the head of a human body at the time of using by providing an antenna feeding unit in which the antenna is attached to its upper face, on a side part of a radio equipment body so as to be displaced upward and downward. CONSTITUTION:An antenna 21 is attached to the upper face of an antenna feeding unit 19, and this antenna feeding unit 19 is provided on a side face 11b of a radio equipment body 11 so as to be displaced in the upper and lower directions. The feeding unit 19 is attached to a position where it is drawn into the lower direction, when the radio equipment is not used or when it is carried. On the other hand, when it is used, that is to say, when transmission and reception are executed, the engagement of the body 11 and the feeding unit 19 is released, and the feeding unit 19 is moved upward against the body 11, and fixed to the body by its moving upper end. In such a way, when the radio equipment is used, the antenna is scarcely influenced by a head part of the human body, therefore, the radiation and reception efficiency of the antenna can be improved.

Description

[Detailed Description of the Invention] [Summary] The present invention is a portable radio device equipped with a microphone, a speaker, etc., in which an antenna feeding unit with an antenna attached to the top surface can be moved vertically to the side of the main body of the portable radio device. By locating the antenna feeding unit on the upper part of the main body during use, the antenna is prevented from being affected by the head of the human body and limiting the communication range.

[Industrial application field]

The present invention relates to a portable radio device, and more particularly to an improvement in the structure of an antenna feeding section of a portable radio device.

[Conventional technology]

FIGS. 13 and 14 show the structure of a conventional general portable radio device. Referring to these figures, the main body 2 of the portable radio device includes a microphone 3, a speaker 4, a frequency setting numeric keypad 5, a transmission switch 6, a volume adjustment dial 7,
A squelch dial 8 and the like are provided, a battery bag 9 for accommodating batteries is attached to the lower part of the main body 2, and an antenna 11 of a predetermined length is connected to the upper surface of the main body 2 via an antenna power supply connector 10. is installed.

[Problem that the invention seeks to solve]

In the above-mentioned conventional portable radio, when a person speaks into the microphone 3 during use, the antenna 11 is affected by the head of the human body, resulting in poor radiation and reception efficiency from the antenna 11, and the communication area is reduced. A problem has arisen in which the amount of energy is reduced.

[Means for solving problems]

In view of the above problems, an object of the present invention is to provide a portable wireless device whose antenna is less susceptible to the influence of the human body during use.

According to the present invention, there is provided a portable radio device characterized in that an antenna feeding unit with an antenna attached to the top surface is provided on the side of the main body of the portable radio device, which is equipped with a microphone, a speaker, etc., and is movable up and down. Ru.

[For production]

In the portable wireless device according to the present invention, since the antenna feeding unit is vertically displaced relative to the main body, by moving the antenna feeding unit upward relative to the main body during use, the antenna is free from the influence of the human head. It becomes difficult. Therefore, the radiation and reception efficiency from the antenna is improved, and the 1 m talkable area is not limited.

Preferably, the internal space of the antenna feeding unit is effectively utilized to house the battery therein.

Therefore, there is no need to provide a punctured battery in the lower part of the main body, and the portable radio device is prevented from increasing in size. Also preferably, the antenna is grounded to the battery. Since the battery can be regarded as a ground in terms of alternating current, the volume of the battery can be effectively utilized to ensure a large capacity ground, which increases the reliability of the portable radio.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 to 6 show one embodiment of the present invention. First, referring to Figure 1, the portable radio device has main body 1.
1, and a microphone 12, a speaker 13, and a frequency setting numeric keypad 14 are provided on the front of the main body 11. A transmission switch (press switch) 15 is provided on one side 11a of the main body 11, and a volume adjustment dial 16 and a squelch dial 17 are provided on the top surface of the main body 11. Here, a battery pack 18 that accommodates batteries is attached to the lower part of the main body 11.

An antenna power supply unit 19 is provided on the other side surface 11b of the main body 11 so as to be vertically displaceable, and an antenna power supply connector 2 is provided on the top surface of the antenna power supply unit 19.
An antenna 21 of a predetermined length is attached through the antenna.

As shown in FIGS. 2, 4, and 5, a rail groove 22 extending vertically is formed in the side surface 11b of the main body 1. As shown, a pair of rails 23 are provided on the side surface 19a of the antenna feeding unit 190 that abuts the side surface 1.1b of the main body 11, and are slidably engaged with the rail groove 22 in the vertical direction.

As shown in FIG. 3 and FIG.
, 25 are formed, and on the other hand, as shown in FIGS. 2 and 5, a latching projection member 26 is provided on the upper part of the main body 11 and projects outward from the side surface 11b thereof. The protruding member 26 is biased in the protruding direction by a spring 27, and the tip of the protruding member 26 is formed to be able to engage with the latching holes 24 and 25. When the projection member 26 engages with one of the locking holes 24 and 25, the antenna power feeding unit 19 is fixed to the main body 11. An operating lever 28 is connected to the protruding member 26, and the operating lever 28 allows the protruding member 26 to be moved inward of the main body 11 against the force of the spring 27. Member 26 can be removed from 24.25 with a latching force.

As shown in FIGS. 3 and 4, a pair of spring electrodes 29 are provided at the bottom of the side surface 19a of the antenna feeding unit 19.
is provided. These spring electrodes 29 are each connected to a high frequency output terminal and a ground terminal (not shown) of the antenna power supply connector 20 inside the antenna power supply unit 19. On the other hand, as shown in FIGS. 2 and 4, a pair of flat plate electrodes 30.3 are provided at the upper and lower sides of the side surface 11b of the main body 11, respectively, and are capable of contacting the pair of electrodes 29.
1 is provided. The flat plate electrodes 30, 31 are each connected to a wireless circuit (not shown) inside the main body 11.

In the portable wireless device having the above configuration, when not in use or when being carried, the antenna power feeding unit 19 is attached to the main body 11 at the position shown in FIG. At this time, the protrusion member 26 of the main body 11 is engaged with the latching hole 24 on the upper part of the antenna power supply unit 19, and the antenna power supply unit 1
The pair of spring electrodes 29 of 9 are in contact with the pair of flat plate electrodes 30 on the upper part of the main body 11, respectively.

When using the portable wireless device, that is, when transmitting and receiving data, first, the operating lever 28 is operated to remove the protruding member 26 from the latching hole 24. This allows the antenna feeding unit 19 to move upward relative to the main body 11. after that,
When the antenna feeding unit 19 is moved upward along the rail groove 22, when the position of the lower latch hole 25 of the antenna feeding unit 19 reaches the position of the protruding member 26, the protruding member 26 is moved by the force of the spring 27. and fit into the latch hole 25. As a result, the antenna feeding unit 9 is again connected to the main body 1.
Fixed to 1. At this time, as shown in FIG. 6, the antenna 21 is displaced upward with respect to the main body 11 by the distance between the latching holes 24 and 25, so that the antenna 21 is less susceptible to the influence of the human head.

7 to 12 show other embodiments of the present invention. In these figures, the same reference numerals are given to the same components as in the above embodiment.

As shown in FIG. 11, in this embodiment, the antenna power supply unit 19 also serves as a conventional battery bag.

That is, the battery 32 is installed inside the antenna power supply unit 19.
is accommodated. Here, a plurality of batteries 32 are connected in series to upper and lower holding electrode plates 33,34.

The battery 32 is preferably rechargeable, and the antenna power supply unit 19 is preferably provided with a charging terminal (not shown). Power supply electrode plates 35 and 36 extending in the vertical direction are arranged on both sides of the battery 32, and holding electrode plates 33.
34 are electrically connected to power supply electrode plates 35 and 36, respectively. Here, the holding electrode plates 33, 34 and the power supply electrode plates 35, 36 are integrally formed.

As shown in FIG. 9 and FIG. 1θ, a pair of spring electrodes 29 for the antenna are arranged at the lower part of the side surface 19a of the antenna feeding unit 19, as in the above embodiment.
Furthermore, a pair of spring electrodes 37 for power supply are arranged on both sides thereof.

As shown in FIG. 11, the spring electrodes 37 for power supply are connected to electrode plates 35, 36 for power supply, respectively. Further, the spring electrode 29 for one antenna is connected to the high frequency output terminal 20a of the antenna power supply connector 20 via the coaxial cable 38, and the spring electrode 29 for the other antenna is connected to the power supply electrode plate 36 which becomes the ground. It is connected to the ground terminal 20b of the antenna power supply connector 20 through the antenna power supply connector 20.

On the other hand, as shown in FIG. 8, on the upper and lower sides of the side surface 11b of the main body 11, a pair of antenna plate electrodes 30 and 31 that can contact the antenna spring electrode 29 are provided, respectively, as in the above embodiment. and the main body 11
Two power supply flat plate electrodes 39 are provided on the side surface 11b of the power supply spring electrode 37, which are in constant contact with the power supply spring electrode 37.

In this embodiment, the structure and operation of the protruding member 26 that engages with the latching holes 24, 25 and the operating lever 28 are the same as in the above embodiment, and detailed explanations thereof will be omitted. Further, the other configurations of this embodiment are the same as those of the above embodiment.

In this embodiment as well, the antenna feeding unit 19 can be switched between the position shown in FIG. 7 and the position shown in FIG. 12, and in the position shown in FIG. the antenna feeding unit 19
The iron spring electrode 29 contacts the antenna flat plate electrode 31 at the bottom of the main body 11. In the position shown in FIG. 12, the protruding member 26 is engaged with the locking hole 25 at the bottom of the main body 11, and the iron spring electrode 29 of the antenna power supply unit 19 is connected to the antenna flat plate electrode 30 at the top of the main body 11.
come into contact with. On the other hand, since the flat plate electrode 39 for power supply extends in the vertical direction, the spring electrode 37 for power supply of the antenna feeding unit 19 can be attached to the flat plate electrode 39 for power supply at any position.
Maintain contact with 9. Therefore, the power supply to the internal circuits of the main body 11 is not cut off while the antenna power feeding unit 19 is moved up and down.

In this embodiment, in addition to obtaining the same effect of expanding the communication area as in the above-mentioned embodiment, the internal space of the antenna power supply unit 19 is effectively utilized to accommodate the battery 32 therein. There is no need to provide a pack, so the overall size of the portable wireless device does not increase. In addition, a pair of antenna spring electrodes 29
One of the terminals is connected to the ground terminal 20b of the antenna power supply connector 20 via the power supply electrode plate 36 which serves as the ground, but since the battery 32 can be considered as ground from an AC perspective, the volume of the battery 32 is Antenna 21 by effectively utilizing
This makes it possible to secure a large-capacity ground for this purpose, increasing the reliability of portable radio equipment.

Although the illustrated embodiments have been described above, the present invention is not limited to the embodiments described above, and various changes can be made to the constituent elements within the scope of the invention described in the claims. can.

For example, various changes can be made to the engagement form of the rail and the rail groove, the form and position of the protruding member and the operating lever, the electrode connection form between the antenna power feeding unit and the main body, and the like. Further, in the above-described embodiment, the antenna power supply unit is vertically displaced by sliding with respect to the main body, but the antenna power supply unit may be vertically displaced by attachment and detachment.

〔Effect of the invention〕

As is clear from the above description, according to the present invention, the antenna feeding unit can be vertically displaced relative to the main body, so when in use, by moving the antenna feeding unit upward relative to the main body, the antenna becomes less susceptible to the influence of the human head. Therefore, it is possible to provide a portable wireless device that can improve the radiation and reception efficiency from the antenna and prevent the communication area from being restricted.

[Brief explanation of the drawing]

1 is a front view of a portable radio device showing an embodiment of the present invention, FIG. 2 is a left side view of the main body of the portable radio device shown in FIG. 1, and FIG. 3 is a view of the antenna feeding unit shown in FIG. 1. 4 is a partially cutaway bottom view of the engaging portion between the main body of the portable radio device shown in FIG. 1 and the antenna feeding unit, seen from below; FIG. 5 is a diagram of the portable radio device shown in FIG. 1. 6 is a left side view showing the usage state of the portable radio device shown in FIG. 1; FIG. 7 is a front view of the portable radio device showing another embodiment of the present invention. Figure 8 is a left side view of the main body of the portable radio shown in Fig. 7, Fig. 9 is a side view of the antenna feeding unit shown in Fig. 7, and Fig. 10 is a side view of the main body of the portable radio shown in Fig. 7. Figure 11 is a view from below of the engaging part with the antenna feeding unit.
A schematic vertical cross-sectional view of the inside of the antenna feeding unit shown in the figure, FIG. 12 is a left side view showing the usage state of the portable radio device shown in FIG. 7, and FIG. 13 is a front view showing the structure of the conventional portable radio device. , FIG. 14 is a left side view of the portable wireless device shown in FIG. 13. In the figure, 11 is the main body of the portable radio device, 12 is the microphone, 1
3 is a speaker, 18 is a battery pack, 19 is an antenna power supply unit, 20 is an antenna power supply connector, 21 is an antenna, 22 is a rail groove, 23 is a rail, 24.25 is a latching hole, and 26 is a latching projection member. , 28 is an operating lever, 29
31 is a spring electrode for an antenna, 31 is a flat plate electrode for an antenna, 32 is a battery, 37 is a spring electrode for a power source, and 39 is a flat plate electrode for a power source.

Claims (1)

[Claims] 1. A portable radio device body (11) equipped with a microphone, a speaker, etc.
1.) A portable radio device characterized in that an antenna feeding unit (19) with an antenna (21) attached to the upper surface is provided on the side of the device so as to be movable up and down. 2. Battery (32) inside antenna power supply unit (19)
2. The portable radio device according to claim 1, wherein the portable radio device accommodates a portable radio device, and has an antenna (21) grounded to a battery (32).