Antenna equipment

Abstract

Conventional antenna devices are often located on the side of the equipment casing, requiring clearance from the equipment to ensure stable communication. This resulted in a larger overall size, making it difficult to secure clearance from peripheral equipment and imposing limitations on vehicle mounting methods. [Solution] The antenna according to the present invention is integrated with a circuit board, which is connected to a reinforcing plate on the back of the housing. The reinforcing plate has an opening that is sized so as not to interfere with the antenna pattern. This makes it possible to reduce communication interference.

Description

Technical Field

[0001] The present invention relates to an antenna mounted on a device with a communication function mounted on an automobile or the like, and an antenna device for transmitting and receiving signals to and from the front and rear surfaces of the panel of the device in order to communicate with other devices and facilities.

Summary of the Invention

Problems to be Solved by the Invention

[0002] A communication device is composed of an outer shell (1), a display (2), a circuit board (3), an antenna, etc. (4) in terms of its structure.

[0003] Many outer shells are composed of a resin housing (1a) and a metal reinforcing plate (1b). Among the components, the circuit board and the reinforcing plate may cause communication failures due to their positional relationship with the antenna.

[0004] To avoid this communication failure, the antenna device needs to provide a clearance between it and other components of the device. In order to ensure stable transmission and reception, conventional antenna devices were often arranged on the side surface of the device housing (Figure 2). This has restricted the in-vehicle mounting method, such as making the entire device larger and making it difficult to ensure clearance around the device mounting part.

Means for Solving the Problems

[0005] The antenna device according to the present invention is integrated with the circuit board of the device, and the board is connected to the reinforcing plate on the back of the housing. The reinforcing plate has an opening (5) in a size that does not interfere with the antenna pattern part (4b). The opening mentioned here includes not only the part where the reinforcing plate is partially cut so as not to interfere with the antenna pattern area, but also an opening hole.

Effects of the Invention

[0006] Integrating the antenna with the circuit board improves internal space efficiency, and creating openings in the reinforcing plate enhances communication performance. This also makes it easier to secure space for the overall size of the device, especially in the thickness direction. Furthermore, it increases the flexibility of placement for in-vehicle equipment. [Brief explanation of the drawing]

[0007] [Figure 1] External view of in-vehicle equipment [Figure 2] Exploded view of conventional in-vehicle equipment [Figure 3] Conventional in-vehicle antenna layout diagram [Figure 4] Embodiment of the present invention (exploded view) [Figure 5] Embodiment of the present invention (integration of antenna and circuit board) [Figure 6] Embodiment of the present invention (rear view) [Industrial applicability]

[0008] This invention can be applied to all types of devices with communication functions, making it possible to construct an inexpensive and compact enclosure while maintaining stable performance. In particular, it can contribute to the miniaturization of portable devices and the like. [Explanation of Symbols]

[0009] 1. Outer casing (enclosure and reinforcing plate) 1a Enclosure 1b Reinforcement plate 2 displays 3 Circuit board 3a Conventional circuit board 3b Circuit board of the present invention 4. Antenna pattern section 4a Conventional antenna pattern diagram 4b Antenna pattern section of the present invention 5 Openings

Claims

[Claim 1] This applies to antennas built into in-vehicle equipment equipped with communication functions, such as those installed in automobiles, and to devices in general that have an opening around the antenna to ensure communication performance.

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