JPH039368Y2 - - Google Patents

Description

[Detailed Description of the Invention] A. Field of Industrial Application The present invention is an indoor antenna for a TV that has a built-in antenna for receiving UHF TV radio waves, and is provided easily and inexpensively, and has an eye-catching and unusual design. The present invention relates to an indoor television antenna having an external appearance.

B. Prior art An indoor TV antenna is placed on or near a TV receiver to simply receive TV radio waves, and unlike a full-scale antenna installed outdoors, the influence of design elements is low. It's a strong product. Therefore, in addition to performance, appearance should be given equal importance.

By the way, current TV receivers are VHF and UHF.
It is equipped with a tuner for receiving TV radio waves in both bands, and in order to receive both waves, the antenna used must be one that can receive both waves.

Conventionally, the elements of the VHF TV signal receiving antenna and the UHF TV signal receiving antenna were pivoted upward from the same tabletop so that they could move independently. I was able to receive it.

C. Problems to be Solved by the Present Application As mentioned above, conventional indoor TV antennas have two types of antenna elements with different shapes and sizes facing outward from the main body. When adjusting the elements, the elements may become intertwined with each other and become a hindrance, or elements of different types may come into contact with each other, worsening the reception condition. In addition, although the shape of the element has been devised so that it has enough functional beauty to remind people of the antenna, it lacks a sense of playfulness.

In other words, when used indoors, especially in gatherings, as long as it satisfies the specified reception performance, even antennas cannot focus on performance and neglect aesthetic elements, and must match the interior. It is no surprise that there are sometimes antennas with shapes that are far from what we imagine, and there are many requests for them in reality. In addition, in conventional indoor antennas, the elements of both antennas have a movable structure with their base ends pivoted, so if the antenna has an element changeover switch, the switch terminal and the element are connected by lead wires, which requires troublesome soldering work during the manufacturing process. Furthermore, in order to prevent the exposed elements from being deformed by external forces, it is necessary to use strong metal materials that are expensive and difficult to process, which is one of the causes of increased costs. It's summery.

D. Means to solve the problem The present invention is an indoor TV antenna that emphasizes the design and enhances the accessory-like elements without substantially degrading reception performance, and is a UHF
An indoor antenna with a built-in antenna for receiving TV radio waves can be manufactured easily and inexpensively, and can be finished in a form that cannot be imagined from the image of conventional indoor antennas.The structure consists of vertical wing-shaped protrusions on both sides. The main body is integrally equipped with
It has a structure that can be vertically divided into two at the center together with the protruding body, and an antenna element changeover switch is attached to the center of the main body of one of the two separated bodies, and the protruding body part of the separated body Two horizontal grooves, upper and lower, are formed in the split surface, and a protrusion is provided on the inner wall of the groove, parallel to the split surface and with its tip directed into the groove, and further serves as an element for a UHF television radio wave receiving antenna. Connect one end of the conductive wire to the specified terminal of the element changeover switch, let the other end run through the lower groove, pull it out once to the tip of the protruding body, fold it back there, and then insert it into the upper groove. Then run the wire in the opposite direction along the same line and pass it through to the tip of the protruding body on the opposite side, then turn it back again and run the concave groove on the lower side all the way to the element changeover switch, making a loop-shaped wiring. This is due to the fact that it is connected to the terminal.

E. Embodiment The drawing shows an indoor television antenna according to the present invention, in which a main body 1 is vertically divided into two parts from the center, and the two divided parts 1',
1'' in the combined state, the arm body is a horizontally vertical wing-shaped projecting body on both sides (hereinafter, the reference numerals regarding the main body indicate parts corresponding to the respective parts of the main body in the combined state in the separated body)2, 2, the top part of which is formed with a bearing part 4 on which the rotary head 3 is rotatably attached, and the bottom part of which is formed with a shaft part 5. 6 is a part that can be stably mounted on or near the image receiver. By fitting the shaft portion 5 into a bearing portion 6a formed at the center of the base 2, the main body can be horizontally rotated on the base. These main body 1, rotating head 3, base 6
etc. are made of resin, typically ABS resin, which is inexpensive and has relatively low dielectric loss. One of the two separated bodies 1' of the main body 1 is equipped with an antenna element switching switch 7 on its abdomen, and a terminal of the element switching switch 7 has a terminal that can adjust the vertical angle to the left and right of the rotating head 3. The lead wires 8a, 8a of the rod antennas 8, 8 for receiving VHF TV radio waves, which are pivoted and connected together, the antenna 9 for receiving UHF TV radio waves, which will be described later, the feeder wires 10, 10, which serve as output terminals for both received radio waves, and the element. A switching wiring 11 is provided. The arm bodies 2, 2 are provided symmetrically, and two grooves 12, 12' are formed in parallel to the horizontal direction with a predetermined interval maintained on the split surface side.
Inside 2', protrusions 13, 13 are provided in a staggered manner parallel to the split surface and with their tips directed into the groove. Then, the conductive wire 14, whose one end is connected to a predetermined terminal of the element changeover switch 7, is first passed through one of the grooves 12 formed on the lower side of the arm body.
Pull it out to the tip of the arm, fold it back, and let it pass through the groove 12' formed on the upper side of the arm, and continue through the groove 12' formed on the other arm.
Furthermore, the drawn out conductor 14 is folded back, passed through the groove 12 on the lower side, and connected to a predetermined position of the element changeover switch 7, thereby forming a held dipole type UHF with a rectangular loop shape.
A TV radio wave receiving antenna 9 is formed.
Since the protrusions 13 are formed at predetermined positions in the grooves 12 and 12', when the conductor 14 is inserted into the groove 12, it should be forcefully pushed in from the side, as shown in Fig. 2. , the tip of the piercing body 13 is connected to the conductor 14
As a result, the gap between the conducting wire 14 and the grooves 12, 12' is filled with the crushed remains of the piercing body, as if filled with putty. Therefore, the conducting wire 14 is locked at the folding point of both arms 2, and is held at important points by the crushed piercing body, making it difficult to come off. Moreover, when the two separated separation bodies 1' and 1'' are brought together, the conducting wire 14 is completely fixed at the mating surfaces and is completely invisible from the outside.
All of the elements of the UHF television radio wave receiving antenna 9 are formed of conductive wires, so the upper part of the main body is lightweight, ensuring stability and being effective in reducing transportation costs. Since the main body 1 can be rotated horizontally to change its direction by 180 degrees, it is possible to find good reception conditions by facing the direction in which the radio waves arrive. Furthermore, VHF
The TV reception antenna can be rotated horizontally together with the main unit or separately from the main unit, and the vertical angle can be adjusted completely separately from the built-in UHF TV reception antenna. It's becoming like that. The exterior shape of the entire antenna takes full advantage of its unique design, which has vertical wing-shaped protrusions integrated on both sides of the main body, and is finished in a robot shape that looks like it would appear in a science fiction movie. It has a unique shape that is hard to imagine.

In the indoor TV antenna of this embodiment, a metal (iron) plate-shaped back cover (not shown) is fitted into the bottom of the base, and this acts as a weight to ensure sufficient stability. The plate-shaped back cover is separated from each antenna element, so it has little effect on received radio waves.
It is placed at right angles to the UHF TV reception antenna and parallel to the mounting surface (TV receiver).

In addition, in this invention, the thickness of the conductor and its material,
The form of the protruding body and the groove formed in the protruding body, the form of the main body, the rotating head, the base, etc., the materials, etc. may be arbitrarily determined within the scope of achieving the above-mentioned object of the present invention. .

E. Effect The indoor TV antenna of the present invention has a UHF TV radio wave receiving antenna built-in in such a way that it is not noticeable from the image of conventional antennas, and the UHF TV radio wave receiving antenna is Since the entire body is covered by the main body, when adjusting to adapt to the received radio waves, your hand does not touch the antenna directly, and the reception status does not change even if you touch or remove your hand. No need to readjust again and again. In addition, the UHF TV radio wave receiving antenna has a single conducting wire wired in a loop shape, and both ends of the wire are directly connected to the antenna element switching switch, so there is no need for a lead wire, which was conventionally done. Since soldering work is omitted and there is no need for steel, a simple, inexpensive, and lightweight indoor TV antenna can be provided using conductive wire that is easy to work with. Moreover, since the conductive wire is wired by running through a groove having a protrusion, it is securely fixed in the groove, and is covered by the main body, making it strong against external forces. It is possible to produce uniform products with no variation in reception performance. In addition, vertical wing-shaped arms with built-in antennas for UHF TV radio wave reception are integrally installed on both sides of the main body, giving it an unusual appearance that is not seen in conventional antennas. By making effective use of its shape and arranging it into various shapes, it can become an indoor antenna with a strong interior feel.
The design value is high.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing the structure of an indoor television antenna according to the present invention, and FIG. 2 is an explanatory view showing a state in which a conductive wire is stretched into a groove. 1...Main body, 1', 1''...Separated body, 2...Arm body, 3...Rotating head, 4...Bearing part, 5...Shaft part, 6...Base, 6a...Bearing Part, 7...Element changeover switch, 8...Rod antenna, 8a...Lead wire, 9...UHF TV reception antenna, 10...Feeder line, 11...
...Element switching wiring, 12, 12'...
...concave groove, 13...piercing body, 14...conducting wire.

Claims (1)

[Scope of utility model registration request] The main body is integrally provided with vertical wing-shaped protrusions on both sides, and has a structure that can be vertically divided into two at the center together with the protrusions, and at the center of the main body of one of the two separated bodies. At the same time as attaching the element switching switch of the antenna, two horizontal grooves (upper and lower) are formed on the split surface of the protruding body part of the separation body, and the inner wall of the groove is parallel to the split surface and the tip is directed into the groove. Furthermore, one end of the conductor wire that will become the element of the UHF TV radio wave reception antenna is connected to a specified terminal of the element changeover switch, and the other end is passed through the groove on the lower side of the protruding body. Pull it out once to the tip, turn it back there, then run it through the upper concave groove in the opposite direction until it reaches the tip of the protruding body on the opposite side, then turn it back again and let it crawl through the lower groove again to switch the element. An indoor television antenna characterized in that a loop-shaped wire is connected to a switch and connected to a predetermined terminal.