JP2007288684A - Furniture with antenna - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a furniture with an antenna which has a beautiful appearance as well that space-saving is attained and can improve a receiving quality easily. <P>SOLUTION: On a television base 10 which contains a television set 16, rails 17a, 17b for sliding two antenna to a rear face side of a back board 14 are equipped at a predetermined spacing. In the rails 17a, 17b, an antenna 20 for a television reception to any rail is equipped attachably and detachably. The antenna 20 is connected to an antenna input terminal of the television set 16 through a coaxial cable 26 with any rails 17a, 17b, and moves along with the rail in the status of a television set 16 on the air, and sets in searching a position where the best reception state is obtained. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to furniture with an antenna provided with an antenna for receiving terrestrial broadcasting waves such as terrestrial digital broadcasting.

  Conventionally, terrestrial analog TV broadcasts (VHF, UHF) and satellite broadcasts (CS / BS) are performed as TV broadcasts, but in recent years, terrestrial digital TV broadcasts have been started. Digital terrestrial broadcasting uses a high frequency band (470 to 770 MHz) of the UHF band, and, from the characteristics of digital broadcasting, even if a small indoor antenna is used, a ghost signal can be used in a region where a certain CN ratio of received signals can be obtained. Good reception without interference is possible.

In addition, a television receiver used in a general home is placed on or stored in furniture such as a television stand or an AV board. The furniture can be placed and housed at the same time, such as a video deck or HDD recorder (see, for example, Patent Document 1).
Utility Model Registration No. 3068600

  Since the indoor antenna generally has directivity, the reception quality is improved by changing the reception conditions by changing the installation location. However, since the installation location is limited to the space in the room, it is difficult to obtain the best reception conditions. In addition, when the indoor antenna is installed on the side of the television receiver, etc., the antenna body can be rotated to improve the reception quality, but the best reception direction is not the same as the orientation of the television receiver. There was a problem of losing.

  The present invention has been made in order to solve the above-mentioned problems, and by integrating a television receiving antenna with furniture that houses a television receiver, it is possible to save space and to have excellent aesthetics and reception quality. It is an object to provide furniture with an antenna that can be easily improved.

  1st invention is the furniture which mounts a television receiver, Comprising: The furniture which has an antenna which has a moving means is provided in furniture.

  According to a second aspect of the present invention, in the furniture with an antenna according to the first aspect of the present invention, the antenna is movable at least one wavelength.

  A furniture with an antenna according to a third aspect of the present invention is a furniture for housing a television receiver, an antenna slide rail attached to the furniture, and a television receiver that is detachably and slidably attached to the antenna slide rail. And an antenna for use.

  According to a fourth invention, in the furniture with an antenna according to the third invention, a plurality of antenna slide rails are provided.

  A furniture with an antenna according to a fifth aspect of the present invention is a furniture for housing a television receiver, a plurality of television receiving antennas mounted on the furniture, and the plurality of antennas are selected and connected to the television receiver. And an antenna switching means.

  According to the present invention, it is possible to save space by providing a television receiving antenna in the furniture that houses the television receiver, and by placing the antenna in a place that is difficult to see from the front of the furniture, an aesthetic appearance is achieved. Can keep. Furthermore, by providing antenna slide rails on the furniture so that the antenna can be slid, it is possible to adjust the position of the antenna and set it at a position where the best reception quality can be obtained.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a perspective view of furniture with an antenna according to a first embodiment of the present invention as viewed from the back side, and FIG. 2 is an enlarged view of an antenna mounting portion in FIG. In addition, in this embodiment, the structural example at the time of implementing for a television stand is shown.

In FIG. 1, reference numeral 10 denotes a television stand, which is formed in a box shape by a top plate 11, a bottom plate 12, left and right side plates 13 and a back plate 14 so that, for example, a video deck, an HDD recorder or the like can be accommodated therein. In this case, the back plate 14 extends above the top plate 11 and has a sufficient height. Moreover, the front surface of the TV stand 10 may be formed in an open state, or may be provided with a front door made of a glass plate, a wooden plate material, or the like.
In the television stand 10, a television receiver 16 such as a terrestrial digital television is placed on the top plate 11.

  On the back side of the back plate 14, a plurality of, for example, two antenna slide rails 17a and 17b are mounted in a horizontal direction at a predetermined interval. The antenna slide rails 17a and 17b preferably have a length of 1λ (λ: wavelength) or more of the operating frequency. The antenna slide rails 17a and 17b are detachably mounted with a planar antenna 20 for receiving television. As the planar antenna 20, for example, an antenna having a planar shape and directivity in a direction perpendicular to the surface, for example, an antenna as disclosed in Japanese Patent Application Laid-Open No. 2005-244926 can be used.

  The antenna slide rails 17a and 17b are configured using a non-metallic member such as a synthetic resin, and have a substantially V-shaped cross section and are attached to the back plate 14 as shown in FIG. On the other hand, a slide guide member 19 is attached to the planar antenna 20 on the back side in the horizontal direction. The slide guide member 19 is formed of a nonmetallic member such as a synthetic resin. The planar antenna 20 can be integrated by configuring the slide guide member 19 of metal.

  As shown in FIG. 5, the planar antenna 20 has a slide guide member 19 secured to the back surface by screws 32, and two groove portions of the slide guide member 19 and the V-shaped end portion of the antenna slide rail are F. , F ′ is abutted and mounted to slide to the left and right, and can slide to the left and right as indicated by arrows in FIG. 1 and 2 show a state in which the planar antenna 20 is mounted on the antenna slide rail 17a.

  The planar antenna 20 has a configuration in which, for example, a planar antenna element 22 is housed in a frame 21 and the whole is covered with a resin mold. A coaxial cable 26 is connected to a feeding point (not shown) of the antenna element 22. A connector 27 for television connection is attached to the tip of the coaxial cable 26. The coaxial cable 26 and the connector 27 are led out to the front side from a lead-out hole 28 provided in the back plate 14 and connected to an antenna terminal of the television receiver 16 installed on the television base 10.

  FIG. 3 shows a state in which the antenna slide rails 17 a and 17 b are attached to the back plate 14. The antenna slide rails 17 a and 17 b are attached to the back plate 14 by attachment screws 31. Stoppers 30 are attached to the left and right ends of the antenna slide rail by mounting screws 31 to protect the antenna 20 from being removed from the rail when the planar antenna 20 is slid left or right.

  FIG. 4 shows a state in which the slide guide member 19 is attached to the back surface of the planar antenna 20 with screws 32.

  In the television stand 10 configured as described above, the planar antenna 20 is moved along, for example, the antenna slide rail 17a in a state where the television receiver 16 is receiving the television broadcast, and the position of the best reception state is obtained. Find and set At this time, a wedge-shaped resin member (not shown) can be inserted between the back plate 14 and the slide guide member 19 to fix the antenna position if necessary. If a good reception state cannot be obtained on the antenna slide rail 17a, the planar antenna 20 is detached from the antenna slide rail 17a, mounted on another antenna slide rail 17b, and slid to the best reception state. Find and set the position. The antenna slide rails 17a and 17b can reliably improve the reception quality by setting the length of the planar antenna 20 so that it can move about 1λ of the operating frequency.

  FIG. 6 shows the change in C / N (Carrier to Noise ratio) when the antenna is slid when receiving terrestrial digital TV broadcasting. The horizontal axis represents the slide width (λ), and the vertical axis represents C / N is shown. In FIG. 6, a range A of about 16 to 20 of C / N is a block noise region, and reception is possible if the C / N of the received radio wave is larger than the range A of the block noise region. If it is smaller than the range A, the reception quality is equal to or lower than the block noise, indicating that reception is impossible.

If the antenna is slid to adjust the reception state as can be seen from FIG. 3 6, the maximum value and the minimum value of the received radio wave of the C / N is included in the range of 1 [lambda. Therefore, if the length of the antenna slide rails 17a and 17b is set to about 1λ, the antenna can be slid to be set at the position with the largest C / N, and high reception quality can be obtained.

  According to the above-described embodiment, space can be saved by providing the television stand 10 with an antenna for receiving television, for example, the planar antenna 20, and the planar antenna 20 is provided on the front surface such as the back and side surfaces of the television stand 10. The beauty can be kept by wearing it in a place that is difficult to see. Further, by providing antenna slide rails 17a and 17b on the TV stand 10 so that the antenna 20 can slide, the position of the planar antenna 20 can be adjusted and set to a position where the best reception quality can be obtained. .

  Also, when the antenna is electromagnetically affected by electronic equipment such as a TV receiver or a video deck or HDD recorder housed in the TV stand, the antenna is slid or attached to another rail. Electromagnetic effects can be avoided by moving to a place where there is no significant influence.

  Furthermore, in the first embodiment, since the planar antenna 20 is detachably provided on the antenna slide rails 17a and 17b, the planar antenna 20 can be detached from the TV stand 10 and attached to a wall surface or the like. is there. In this case, a wall surface mounting adapter is attached to the wall surface with screws, and the slide guide member 19 of the planar antenna 20 is engaged with the wall surface mounting adapter. The wall mounting adapter is formed in a substantially V shape like the antenna slide rails 17a and 17b, and is configured so that the slide guide member 19 of the planar antenna 20 can be mounted between the wall mounting adapters.

The slide guide member 19 can be integrally formed by cutting out and bending a part of the metal member of the antenna element constituting the planar antenna 20.

(Second Embodiment)
Next, furniture with antennas according to a second embodiment of the present invention will be described.
FIG. 7 is a perspective view of the TV stand 10 according to the second embodiment of the present invention viewed from the back side. This 2nd Embodiment shows the example at the time of providing the rail 17 for antenna slides in the backplate 14 diagonally in the television stand 10 which concerns on the said 1st Embodiment.

  When the antenna slide rail 17 is provided obliquely, the same antenna slide rails 17a and 17b in the first embodiment can be used, and the slide guide member 19 provided on the back surface of the planar antenna 20 may be the same. In this case, when the planar antenna 20 is attached to the antenna slide rail 17 by attaching the slide guide member 19 attached to the back surface of the planar antenna 20 obliquely in advance corresponding to the inclination of the antenna slide rail 17, It can be kept horizontal.

In order to fix the set position of the antenna, a wedge-shaped resin member is inserted between the back plate 14 and the slide guide member 19 as described in the first embodiment.

(Third embodiment)
Next, furniture with antennas according to a third embodiment of the present invention will be described.
As shown in FIG. 8, the furniture with an antenna according to the third embodiment is provided with an antenna slide rail 18 in the vertical direction on the side plate 13 of the TV stand 10, and the antenna 20 is moved in the vertical direction to make it the best reception point. The antenna height is fixed.

  The antenna slide rail 18 arranged vertically is configured as shown in FIGS. 8A, 8B, and 8C, for example. 8A is a perspective view showing a state in which the antenna slide rail 18 is mounted on the side plate 13 of the TV stand 10, FIG. 8B is a cross-sectional view of the main part including the antenna mounting portion, and FIG. It is sectional drawing which shows the structure of a fixing | fixed part.

  The antenna slide rail 18 is provided with a T-shaped rail 42 vertically at the center of the rail substrate 41. The T-shaped rail 42 is fixed to the side plate 13 with screws 40, and a concavo-convex portion 43 having a certain width is formed in the vertical direction at the center of the front surface thereof. A sliding body 44 having a substantially C-shaped cross section is slidably mounted on the T-shaped rail 42. A screw groove 45 is formed in the center of the front surface of the sliding body 44, and a tightening screw 46 is screwed into the screw groove 45. A tightening knob 47 is provided on the head of the tightening screw 46. By operating the tightening knob 47 and tightening the tightening screw 46, the tip of the tightening screw 46 is formed on the uneven portion 43 of the T-shaped rail 42. The position of the sliding body 44 is fixed by pressure contact.

  Further, as shown in FIG. 8B, a leaf spring 48 is provided on the inner side of the sliding body 44 so as to be in pressure contact with the T-shaped rail 42 so that the sliding body 44 can be moved up and down in a stable state. It has become.

  In the antenna slide rail 18 configured as described above, when the tightening knob 47 is turned to loosen the tightening screw 46, the tip end of the tightening screw 46 and the uneven portion 43 of the T-shaped rail 42 are engaged. And the sliding body 44 can be moved in the vertical direction. When the tightening knob 47 is turned and the tightening screw 46 is tightened, the tip of the tightening screw 46 comes into pressure contact with the concavo-convex portion 43 of the T-shaped rail 42 to fix the position of the sliding body 44. Therefore, the sliding body 44 can be moved and fixed to an arbitrary position on the T-shaped rail 42.

  Therefore, when adjusting the position of the antenna 20 attached to the sliding body 44, the sliding body 44 can be moved by turning the tightening knob 47 to loosen the tightening screw 46. In this state, the sliding body 44 is moved. To adjust the position of the antenna 20 so that the reception quality is the best. After the position adjustment of the antenna 20 is completed, the tightening knob 47 is turned to tighten the tightening screw 46 to fix the position of the sliding body 44.

  The sliding body 44 is provided with a hinge portion 49 composed of a shaft portion 60, and the antenna 20 is attached by a mounting screw 50. Further, the hinge mechanism can freely move the antenna 20 in the direction in which the reception quality is best with the shaft portion 60 as a fulcrum.

  According to the third embodiment, as in the first embodiment, the television stand 10 is provided with an antenna for receiving television, for example, the antenna 20, so that space can be saved and the beauty can be maintained. In addition, by providing the antenna slide rail 18 on the TV stand 10 so that the antenna 20 can be slid, the position of the antenna 20 can be adjusted and set to a position where the best reception quality can be obtained.

  Further, even if the antenna slide rail 18 in the third embodiment is mounted vertically on the side plate 13 or the back plate 14 of the TV stand 10, the antenna 20 can be moved to an arbitrary height by operating the tightening knob 47. It is possible to move and fix to.

(Fourth embodiment)
Next, furniture with antennas according to a fourth embodiment of the present invention will be described.
FIG. 9 is a perspective view of the TV stand 10 according to the fourth embodiment of the present invention viewed from the back side. In the fourth embodiment, a plurality of, for example, two antennas 20a and 20b are mounted on the antenna slide rails 17a and 17b in the television stand 10 according to the first embodiment, and the two antennas 20a and 20b are connected to an antenna switch. It is switched by 51 and connected to the antenna terminal of the television receiver 16.

  As described above, by switching the plurality of antennas 20a and 20b by the antenna switch 51 and connecting them to the antenna terminal of the television receiver 16, it is possible to select an antenna that can obtain good reception quality.

  Therefore, in the fourth embodiment, the antenna may be detachable or fixed at a different position.

  In the above embodiments, the antenna slide rails 17, 17 a, 17 b, and 18 are provided on the back plate 14 and the side plate 13 of the TV stand 10. However, the antenna slide rails are provided at other locations. Also good.

  Moreover, although each said embodiment demonstrated the case where the back plate 14 of the television stand 10 was formed higher than the top plate 11, even if it is a case where the back plate 14 is formed in the same height as the top plate 11, the above-mentioned. It can be carried out in the same manner as the embodiment.

  Moreover, although the case where it implemented to the television stand 10 was shown in the said embodiment, it can implement in the furniture provided with the television storage function and the other storage function.

  Further, the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying constituent elements without departing from the scope of the invention in the implementation stage.

It is the perspective view which looked at furniture with an antenna concerning a 1st embodiment of the present invention from the back side. It is a figure which expands and shows the antenna mounting part in the embodiment. It is a figure which shows the mounting state of the back plate and antenna slide rail in the embodiment. It is a figure which shows the mounting state of the antenna and slide guide member in the embodiment. It is a figure which shows the mounting state of the back plate in the same embodiment, the rail for antenna slides, a slide guide member, and an antenna. In the same embodiment, it is a figure which shows C / N change when an antenna is slid. It is the perspective view which looked at furniture with an antenna concerning a 2nd embodiment of the present invention from the back side. In the furniture with an antenna concerning a 3rd embodiment of the present invention, it shows the example of composition of the rail for antenna slide installed in the perpendicular direction, (a) is a perspective view showing the state where the rail was attached to the side board of the television stand, (B) is principal part sectional drawing containing an antenna attachment part, The figure (c) is sectional drawing which shows the structure of a rail fixing | fixed part. It is the perspective view which looked at furniture with an antenna concerning a 4th embodiment of the present invention from the back side.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Television stand, 11 ... Top plate, 12 ... Bottom plate, 13 ... Side plate, 14 ... Back plate, 16 ... Television receiver, 17, 17a, 17b, 18 ... Rail for antenna slide, 19 ... Slide guide member, 20, 20a, 20b ... planar antenna, 21 ... frame, 22 ... antenna element, 26 ... coaxial cable, 27 ... connector, 28 ... lead-out hole, 30 ... stopper, 31, 32, 40 ... screw, 41 ... rail substrate, 42 ... T-shaped rail, 43 ... concave portion, 44 ... sliding body, 45 ... screw groove, 46 ... clamping screw, 47 ... clamping knob, 48 ... plate spring, 49 ... hinge part, 50 ... mounting screw, 51 ... Antenna switcher, 60 ... Shaft

Claims (5)

  A furniture with an antenna, wherein the furniture is provided with a television receiver, and the furniture is provided with an antenna having moving means.   The furniture with an antenna according to claim 1, wherein the antenna is movable for a length of at least one wavelength.   A furniture for storing a television receiver, an antenna slide rail mounted on the furniture, and a television reception antenna detachably mounted on the antenna slide rail. Furniture with antennas to do.   The furniture with antenna according to claim 3, wherein a plurality of rails for antenna slide are provided.   A furniture for storing a television receiver; a plurality of television receiving antennas mounted on the furniture; and an antenna switching means for selecting the plurality of antennas and connecting to the television receiver. Furniture with antennas to do.

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