KR200407163Y1 - DMB Receiver Having Compact Putting-in Structure - Google Patents

Abstract

The present invention relates to a DMB receiver having a compact storage structure for storing the main body and a folding antenna connected to the main body neatly stored in one cover case.

The DMB receiver 1 of the present invention includes a main body 3 made of an external case 11 and various components embedded in the external case 11, a reception antenna 5 connected to one side of the main body and being rotatable and rotatable. A connection plug 7 inserted into the connection port 53 of the reception equipment 51, and a plug cap 9 detachably coupled to the main body 3 so as to surround the connection plug 7; In the configured DMB receiver 1, the plug cap 9 has a length and a height at which the main body 3 and the receiving antenna 5 can be inserted together, and a plug for connection of the main body 3. (7) The opposite end is characterized in that the gripping portion 10 to which the plug cap 9 is detachably coupled is attached.

Therefore, according to the DMB receiver of the present invention, the main body 3 and the reception antenna 5 can be accommodated together with the plug cap 9, eliminating the inconvenience of carrying due to the exposure of the antenna 5 and damaging the antenna or the main body. It can be prevented.

DMB receiver, receiving antenna, connection plug, plug cap

Description

DMB Receiver Having Compact Putting-in Structure

1 is a perspective view showing a conventional DMB receiver.

FIG. 2 is a perspective view illustrating the DMB receiver of FIG. 1 in a stored state. FIG.

3 is a perspective view of a DMB receiver according to the present invention;

4 is a perspective view of the DMB receiver shown in FIG.

5 is a state diagram of use of the DMB receiver shown in FIG. 3;

Explanation of symbols on the main parts of the drawings

1: DMB receiver 3: body

5: receiving antenna 7: plug for connection

9: plug cap 11: outer case

51: laptop 53: USB port

The present invention relates to a DMB receiver, and more specifically, a main body made of a USB memory type and a folding antenna connected to the main body so that it can be plugged into a USB port of a PC or a notebook computer can be neatly stored in a cover case. One enclosure relates to a compact DMB receiver.

In general, DMB (Digital Multimedia Broadcasting) is a digital multimedia broadcasting, a service that provides a multimedia broadcast consisting of high-quality voice and video to a variety of destinations, such as mobile phones, PDAs, vehicle terminals, as well as fixed dedicated terminals, It is roughly divided into satellite DMB and terrestrial DMB services.

Satellite DMB modulates audio and / or video multimedia broadcasts produced by broadcasting stations into digital signals and transmits them to satellites, and transmits the broadcast signals to terrestrial receiving terminals. The modified multimedia broadcasting is transmitted from the DMB broadcasting station to the receiving terminal through the transmission tower.

In addition, DMB can be classified into fixed and mobile according to the reception type. Fixed DMB service requires a separate dedicated receiver, whereas mobile DMB service is a receiver embedded in a portable device such as a PDA, a mobile phone or a notebook. Use

However, since the conventional DMB receiver is provided as a built-in portable device, in order to provide a DMB service on the move, a product having such a built-in DMB receiver had to be purchased.

In order to make up for this drawback, the latest development is an external DMB receiver. This DMB receiver is composed of a receiver main body 103, a receiving antenna 105, a connecting plug 107, and a plug cap 109 as shown in Figs.

Here, the main body 103 is made of various components such as an outer case 111 and a circuit board embedded in the outer case 111. That is, the outer case 111 of the main body 103 is provided with a DMB tuner for tuning and receiving a DMB signal, an A / D converter for converting a DMB analog signal received through the tuner into a digital signal, and an A / D converter. Audio and video decoders that decode demodulated signals into digital and audio signals, and interface units for transmitting audio and / or video signals output from the decoders to portable devices such as PDAs, mobile phones, and laptops. A control unit for controlling the components is provided.

In addition, the receiving antenna 105 is coupled to one end of the side of the outer case 111, as shown in Figure 1 is to receive the DMB signal transmitted from the satellite or transmission tower to transmit to the DMB tuner. The connecting plug 107 is usually coupled so as to be connected with the interface portion at the opposite end surface to which the receiving antenna 105 is coupled for efficient arrangement of internal components. Therefore, the connection plug 107 is detachably connected to a data input / output port of a PDA or a mobile phone or an o port of a PC or a notebook to transmit audio and / or video signals output from an interface unit to a portable device such as a connected PDA. The user command input from the mobile device is transmitted to the control unit.

Finally, the plug cap 109 is detachably coupled to the plug 107 side end surface of the main body 103 to block and protect the plug 107 from the outside when the DMB receiver 101 is not used.

As shown in the related art, the conventional DMB receiver 101 uses a collapsible antenna as a receiving antenna 105 to allow a compact storage while ensuring a length suitable for a receiving wavelength. The receiving antenna 105 is a main body. (103) Folding rod freely connected to the outside of the main body 103 by the socket 113 extending from the inside, the ball 115 inserted to partially expose the socket 113 and the ball sockets 115 and 113 joints. It consists of 117.

Therefore, in the conventional DMB receiver 101, the plug cap 109 is inserted on the plug 107, and the reception antenna 105 is folded and turned side by side with the main body 103, as shown in FIG. Since the receiving antenna 105 is exposed to the outside of the main body 103 so as to be rotatable by a ball socket 115 or 113 joint so that the receiving angle can be adjusted, the folding rod 117 of the antenna 105 is easily carried in the carrying pocket. Not only to rotate or increase the inconvenience to carry, there was a problem that the folding rod 117 itself is bent and damaged in severe cases.

In addition, the receiving antenna 105 is exposed to the outside of the main body 103 as described above, there is a problem that not only in terms of functionality, but also in terms of the aesthetic aspect of the overall appearance of the DMB receiver 101.

The present invention has been proposed to solve the problems of the conventional DMB receiver as described above, the length of the plug cap to increase the length to accommodate the receiving antenna to the inside together with the receiver body, the grip portion on the plug opposite side of the body It is intended to eliminate the inconvenience of carrying due to the receiving antenna exposed to the outside of the main body when carrying or storing by attaching a plug cap and detachably coupled to the plug cap during storage, and to prevent damage to the antenna or the main body. .

Therefore, the present invention, in order to achieve the above object, the main body consisting of an outer case and various parts built into the outer case, a receiving antenna foldably and rotatably connected to one side of the main body, and inserted into the connection port of the receiving equipment A DMB receiver comprising a connecting plug which is connected to the main body and a plug cap detachably coupled to the main body to surround the connecting plug, wherein the plug cap has a length and a height at which the main body and the receiving antenna can be inserted together. On the opposite end of the connection plug, a compact DMB receiver having a storage structure with a gripping portion to which the plug cap is detachably coupled is provided.

Hereinafter, an embodiment of a DMB receiver having a compact storage structure according to the present invention will be described in detail with reference to the accompanying drawings.

3 and 4, the DMB receiver of the present invention has a main body 3, a plug cap 9, and a receiving antenna 5 coupled to the main body 3, as in the general DMB receiver. It consists of a connection plug 7.

Among them, the main body 3, which has a similar shape to a USB memory, includes an external case 11 forming an external body, a DMB tuner, an A / D converter, a voice, and the like mounted on a circuit board inside the external case 11. It is composed of various components such as an image decoder, an interface unit, and a control unit. Since each component is the same as that applied to the conventional DMB receiver, detailed description thereof will be omitted. On the other hand, the hinge rod 13 for pivotally connecting the DMB signal receiving antenna 5 to one side of the upper surface of the outer case 11 is rotatably coupled, the front end for the connection connected to the internal interface The plug 7 is shortly extended.

As described above, the antenna 5 pivotally coupled to the upper surface of the outer case 11 by the hinge rod 13 has a hinge rod 13 rotatably coupled to the outer case 11 like a conventional antenna. Therefore, 360 degree rotation is possible about the axis of the hinge rod 13. As shown in FIG. The folding rods 17 pivotally coupled to the hinge rods 13 by the hinge pins 15 are short, almost the same length as the length of the receiver 1 when not in use, and lengths long enough for the DMB reception wavelength when in use. Extension is possible.

In addition, the connection plug 7 protruding from the front end surface of the outer case 11 is also connected to the USB port 53 of the notebook 51 used for DMB reception as shown in FIG. It serves to connect the DMB receiver 1 and the notebook 51.

In particular, the DMB receiver 1 according to the present invention has a gripping portion 10 attached to the rear end surface of the main body 3, the outer case 11 facing the plug 7 for connection. The gripping portion 10 is a portion which is gripped when the main body 3 is pulled out of the plug cap 9, and is higher than the main body 3 by the height of the receiving antenna 5 folded toward the main body 3, and the plug cap It becomes thicker than the main body 3 by the wall thickness of (9).

As for the holding part 10, both the upper and lower holding surfaces 21 and the left and right holding surfaces 23 are flat surfaces so as to more securely support the main body 3 in accordance with the use state of the DMB receiver 1. That is, the gripper 10 uses the lower grip surface 21, which is a support surface when the plug 10 is used by being plugged into the vertical USB port 53, as shown in FIG. By keeping the left gripping surface 23 serving as a support surface at the time flat, the connection between the port 53 and the DMB receiver 1 can be made more stable.

In addition, as shown in FIGS. 3 and 4, a string such as a collar may be fitted to the left and right gripping surfaces 23 of the gripping portion 10, and / or to the gripping portions 21 of the gripping portion 10. It can also be formed through the hook hole 25 which can be.

Finally, the plug cap 9 of the present invention is a kind of case which surrounds the main body 3 and the antenna in the folded state from the plug 7 for connection, and a grip portion attached to the rear end of the main body 3. The front edge of the (10) is detachably coupled to the snap portion, and thus has a length and a height sufficient to close the main body 3 and the main body 3 to insert the folded receiving antenna 5 together.

Therefore, the compact DMB receiver 1 according to the present invention configured as described above functions as follows.

The DMB receiver 1 of the present invention first detaches the plug cap 9 from the body 3 as shown in FIG. 4 for use. Then, when the input port, i.e., the USB port 53, of the portable device 51 used as a receiving device as shown in FIG. 5 is vertical, as shown in FIG. 53), on the contrary, when the input port is horizontal, the main body 3 is divided and connected to a port (not shown) as in the case of FIG.

Then, regardless of the direction in which the main body 3 is connected vertically or horizontally, as shown in FIG. 5, the receiving antenna 5 is pulled out and returned to the position showing the optimum reception sensitivity. In this way, when the connection of the DMB receiver 1 is completed, it is possible to receive a predetermined DMB broadcast through the portable device 51.

Then, after use, the DMB receiver 1 folds the antenna 5 in the reverse order as described above, removes it from the portable device 51, and then closes the folded antenna 5 to the main body 3, The plug cap 9 is put thereon as shown in FIG. 3 to store it in a compact state.

As described above, according to the DMB receiver having a compact storage structure according to the present invention, the antenna connected to the main body can be accommodated using the plug cap together with the main body when the portable terminal is used without carrying the DMB receiver. Not only can it completely eliminate the inconvenience of carrying due to the rotation or extension of the device, but it can also prevent damage to the antenna or the body that may occur at this time. You can do it.

In addition, by flattening the upper, lower, left, and right surfaces of the gripping portion attached to the end of the main body, the main body and the port connection can be more stably maintained regardless of the direction of the input / output port of the portable device using the DMB receiver. By forming a hook hole, the DMB receiver can be used conveniently as a necklace.

Claims (3)

Port for connection of the main body 3 consisting of an external case 11 and various components built into the external case 11, a receiving antenna 5 foldably and rotatably connected to one side of the main body, and a receiving device 51 In the DMB receiver (1) consisting of a connecting plug (7) inserted into the 53 and a plug cap (9) detachably coupled to the main body (3) so as to surround the connecting plug (7), The plug cap 9 has a length and a height at which the main body 3 and the receiving antenna 5 can be inserted together, and the plug cap is provided at an opposite end of the plug 7 for the main body 3. DMB receiver having a compact storage structure, characterized in that the holding portion 10 is attached to the removable (9). According to claim 1, The gripping portion 10 is a compact DMB receiver, characterized in that not only the upper and lower gripping surface 21, but also the left and right gripping surfaces 23 connecting the upper and lower gripping surfaces 21 are flat. According to claim 1, The gripping portion 10 is a compact DMB receiver characterized in that the hook hole 25 is penetrated through the upper and lower gripping surface 21 or the left and right gripping surface 23 so as to fit the hanging line.

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