TW201620200A - Sensing device and portable electronic device having the same - Google Patents

Abstract

A sensing device and a portable electronic device having the same are disclosed. The sensing device is used for the portable electronic devices. The portable electronic device includes a substrate, a substrate having an antenna module settings area. The sensing device includes a first sensing metallic element, the second sensing metallic element, and a signal processing module. The first sensing metallic element is disposed on the substrate and at a first side of the antenna module settings area for sensing a first proximity signal. The second sensing metallic element is disposed on the substrate and at a second side of the antenna module settings area for sensing a second proximity signal; wherein the first side and a second side are disposed on the opposite sides of the antenna module settings area. The signal processing module is used for receiving and processing the first and second proximity signals.

Description

Inductive device and portable electronic device with the same

The present invention relates to an inductive device and a portable electronic device having the same, and more particularly to an inductive device capable of reducing misjudgment and a portable electronic device having the same.

With the development of technology, today's portable electronic devices, such as smart phones or tablets, have become increasingly powerful and provide a variety of applications (APP) for users to use. Portable electronic devices In addition to making calls, many programs also need to take advantage of the wireless network. However, when the portable electronic device uses wireless communication, the electromagnetic wave generated by the portable electronic device has an influence on the human body. Therefore, in the prior art, a technique using the proximity sensor has been developed. The proximity sensor can sense the proximity of the human body by means of a metal component, and the portable electronic device can further adjust the power of the emitted wireless signal.

However, in the prior art, the proximity sensor usually uses an elastic piece or a conductive foam to contact the aluminum foil disposed on the back plate of the portable electronic device, thereby sensing whether the human body is close. However, the backplane of the portable electronic device is often subjected to external external forces, which causes the proximity sensor to judge errors. In addition, shrapnel or conductive foam can easily cause deformation.

Therefore, it is necessary to invent a new sensing device and a portable electronic device having the same to solve the prior art.

The main object of the present invention is to provide an inductive device having the effect of reducing erroneous judgment.

Another main object of the present invention is to provide a portable electronic device having the above device.

To achieve the above objects, the sensing device of the present invention is used in a portable electronic device. The portable electronic device includes a substrate having an antenna module setting area. The sensing device includes a first inductive metal component, a second inductive metal component, and a signal processing module. The first inductive metal component is disposed on the substrate and is disposed on the first side of the antenna module setting area for sensing the first proximity signal. The second inductive metal component is disposed on the substrate and is disposed on the second side of the antenna module setting area for sensing the second proximity signal; wherein the first side and the second side are respectively opposite sides of the antenna module setting area . The signal processing module is electrically connected to the first inductive metal component and the second inductive metal component for receiving and processing the first proximity signal and the second proximity signal induced by the first inductive metal component and the second inductive metal component.

The portable electronic device with the sensing device of the present invention comprises a substrate and an sensing device. The substrate has an antenna module setting area for providing an antenna module. The sensing device includes a first inductive metal component, a second inductive metal component, and a signal processing module. The first inductive metal component is disposed on the substrate and is disposed on the first side of the antenna module setting area for sensing the first proximity signal. The second inductive metal component is disposed on the substrate and is disposed on the second side of the antenna module setting area for sensing the second proximity signal; wherein the first side and the second side are respectively opposite sides of the antenna module setting area . The signal processing module is electrically connected to the first inductive metal component and the second inductive metal component for receiving and processing the first proximity signal and the second proximity signal induced by the first inductive metal component and the second inductive metal component.

In order to enable the reviewing committee to better understand the technical contents of the present invention, the preferred embodiments are described below.

Please refer to FIG. 1 for a schematic diagram of the architecture of the portable electronic device with the sensing device of the present invention.

The portable electronic device 1 of the present invention may be a smart phone, a tablet computer or the like, but the invention is not limited thereto. Since the main mode of operation of the portable electronic device 1 is not the focus of the present invention, the operation principle of the portable electronic device 1 will not be described herein. The schematic diagram in FIG. 1 only shows the portable electronic device 1. Part of the module. The portable electronic device 1 of the present invention may include an inductive device 10 and a substrate 20. The substrate 20 can be a printed circuit board (PCB) for laying out different modules. The substrate 20 has an antenna module setting area 21 for providing an antenna module (not shown), so that the portable electronic device 1 has a wireless communication function. Since the wireless communication mode of the portable electronic device 1 is not the focus of the protection of the present case, the role of the antenna module will not be described herein.

The sensing device 10 of the present invention may be a proximity sensor, such as a magnetic sensor type and an oscillator type sensor, for sensing the proximity of the human body, and the present invention does not limit the type of the proximity sensor. The sensing device 10 includes a first inductive metal component 11 , a second inductive metal component 12 , and a signal processing module 13 . The maximum plane size of the first inductive metal element 11 and the second inductive metal element 12 may be 15 by 15 mm, but the invention is not limited thereto. The first inductive metal component 11 is disposed on the substrate 20 and is disposed on the first side 211 of the antenna module setting area 21, and the second inductive metal component 12 is also disposed on the substrate 20, but the bit antenna module setting area is The second side 212 of 21. The first side 211 and the second side 212 are respectively located on opposite sides of the antenna module setting area 21, whereby the first inductive metal element 11 can sense the first proximity signal close to the first side 211, for example, the human body approaches from the X direction. Signal. The second inductive metal component 12 can sense a second proximity signal proximate the second side 212, such as a signal that the human body is approaching in the opposite direction from the X direction. The signal processing module 13 is electrically connected to the first inductive metal component 11 and the second inductive metal component 12 for receiving and processing the first proximity signal and the first sensing of the first inductive metal component 11 and the second inductive metal component 12 Second, close to the signal to know if there is a human body close.

2A is a front view of the first embodiment of the first inductive metal component of the present invention and FIG. 2B is a schematic view of the reverse side of the first embodiment of the first inductive metal component of the present invention.

The first inductive metal element 11 and the second inductive metal element 12 may have the same or similar structure, and the first inductive metal element 11 will be described as an example. The first inductive metal element 11 includes a first plane 111, a second plane 112, and a third plane 113. The first plane 111 may face in the Z direction, the second plane 112 may face in the opposite direction of the X direction, and the third plane 113 may face in the Y direction. The second plane 112 is vertically connected to the first plane 111. The third plane 113 is also perpendicularly connected to the first plane 111 and perpendicular to the second plane 112. Thereby, the sensing device 10 can sense proximity signals in different directions.

Finally, please refer to FIG. 3, which is a schematic view showing the reverse appearance of the second embodiment of the first inductive metal component of the present invention.

In the second embodiment of the present invention, the first inductive metal component 11 may further include a fourth plane 114. The fourth plane 114 is perpendicularly connected to the second plane 112 and is parallel to the first plane 111, that is, the fourth plane 114 is oriented in the opposite direction to the Z direction. In this way, the sensing device 10 can additionally sense the proximity signal approaching from the opposite direction in the Z direction.

In addition to being configurable as a hardware device, a software program, a firmware, or a combination thereof, each of the above modules may also be configured by a circuit loop or other suitable type; and, in addition to being individually configurable, each module may also be combined. Type configuration. In addition, the present embodiment is merely illustrative of preferred embodiments of the present invention, and in order to avoid redundancy, all possible combinations of variations are not described in detail. However, those of ordinary skill in the art will appreciate that the various modules or components described above are not necessarily required. In order to implement the invention, other well-known modules or elements of more detail may also be included. Each module or component may be omitted or modified as needed, and no other modules or components may exist between any two modules.

With the structure of the first inductive metal element 11 and the second inductive metal element 12 of the present invention, the directivity of the sensing can be increased, and the malfunction of the sensing device 10 can also be reduced.

It should be noted that the above is only an embodiment, and is not limited to the embodiment. For example, those who do not depart from the basic structure of the present invention should be bound by the scope of the patent, and the scope of the patent application shall prevail.

1‧‧‧Portable electronic device
10‧‧‧Induction device
11‧‧‧First Inductive Metal Components
111‧‧‧ first plane
112‧‧‧ second plane
113‧‧‧ third plane
114‧‧‧fourth plane
12‧‧‧Second inductive metal components
13‧‧‧Signal Processing Module
20‧‧‧Substrate
21‧‧‧Antenna module setting area
211‧‧‧ first side
212‧‧‧ second side
X, Y, Z‧‧ Direction

FIG. 1 is a schematic structural diagram of a portable electronic device with an inductive device according to the present invention. 2A is a front elevational view of a first embodiment of a first inductive metal component of the present invention. 2B is a schematic view showing the reverse appearance of the first embodiment of the first inductive metal component of the present invention. 3 is a schematic view showing the reverse appearance of a second embodiment of the first inductive metal component of the present invention.

1‧‧‧Portable electronic device

10‧‧‧Induction device

11‧‧‧First Inductive Metal Components

12‧‧‧Second inductive metal components

13‧‧‧Signal Processing Module

20‧‧‧Substrate

21‧‧‧Antenna module setting area

211‧‧‧ first side

212‧‧‧ second side

X, Y, Z‧‧ Direction

Claims (8)

An inductive device is used in a portable electronic device, the portable electronic device includes a substrate, the substrate has an antenna module setting area, and the sensing device comprises: a first inductive metal component, which is disposed on The first side of the antenna module is disposed on the substrate to sense a first proximity signal; a second inductive metal component is disposed on the substrate and is located in the antenna module setting area The second side is configured to sense a second proximity signal; wherein the first side and the second side are respectively located on opposite sides of the antenna module setting area; and a signal processing module is electrically connected to the first The sensing metal component and the second sensing metal component are configured to receive and process the first proximity signal and the second proximity signal sensed by the first inductive metal component and the second inductive metal component. The sensing device of claim 1, wherein the first inductive metal component and the second inductive metal component comprise: a first plane; a second plane vertically connected to the first plane; and a The third plane is vertically connected to the first plane and perpendicular to the second plane. The sensing device of claim 2, wherein the first inductive metal component and the second inductive metal component further comprise a fourth plane vertically connected to the second plane and interact with the first plane parallel. The sensing device of claim 1, wherein the sensing device is a proximity sensor. A portable electronic device having an inductive device includes: a substrate having an antenna module setting area for providing an antenna module; and an inductive device comprising: a first inductive metal component And disposed on the substrate and located on a first side of the antenna module setting area for sensing a first proximity signal; a second inductive metal component disposed on the substrate and located in the antenna module setting area a second side is configured to sense a second proximity signal; wherein the first side and the second side are respectively located on opposite sides of the antenna module setting area; and a signal processing module is electrically connected The first inductive metal component and the second inductive metal component are configured to receive and process the first proximity signal and the second proximity signal induced by the first inductive metal component and the second inductive metal component. The portable electronic device with an inductive device according to claim 5, wherein the first inductive metal component and the second inductive metal component comprise: a first plane; a second plane connected vertically The first plane; and a third plane are vertically connected to the first plane and perpendicular to the second plane. The portable electronic device with the sensing device of claim 6, wherein the first inductive metal component and the second inductive metal component further comprise a fourth plane that is vertically connected to the second plane. And parallel to the first plane. The portable electronic device with the sensing device described in claim 5, wherein the sensing device is a proximity sensor.