TWI766605B - Electronic accessory and electronic accessory set for handheld device - Google Patents

Abstract

The present disclosure provides an electronic accessory and an electronic accessory set for handheld device. The electronic accessory includes a body, a fixing element, a metal coil and an electronic element. The fixing element is disposed on the body and configured to fix the electronic accessory to the handheld device or to a shell of the electronic accessory set. The shell has an accommodation space for receiving the handheld device. The coil is disposed in the body. The coil is configured to sense a change of magnetic field provided from the handheld device to generate a current. The electronic element is electrically connected to the coil and driven by the current.

Description

Electronic accessories and electronic accessories sets for handheld devices

The present invention relates to an accessory of a handheld device and an accessory set, in particular to an electronic accessory and an electronic accessory set for the handheld device.

There are various types of accessories for existing handheld devices, which are commonly used to protect the handheld device, decorate the handheld device, assist the use of the handheld device, and enhance the user experience of the handheld device. However, most of the accessories that consume electricity require additional power sources (eg batteries), resulting in inconvenience in use.

In view of this, an object of the present invention is to provide an electronic accessory and an electronic accessory set that can use the power of a handheld device.

Accordingly, an object of the present invention is to provide an electronic accessory for a handheld device, which includes a main body, a fixing element, a metal coil and an electronic element. The fixing element is arranged on the main body and is used for fixing the electronic accessory to the handheld device or the protective shell of the handheld device. The metal coil is arranged in the main body, and is used for inducing the change of the magnetic field provided by the handheld device to generate electric current. The electronic element is arranged on the main body and is electrically connected to the metal coil, wherein the electronic element is driven by current.

In some embodiments, when the fixing element fixes the electronic accessory to the handheld device or the protective case of the handheld device, the position of the metal coil corresponds to the position of another metal coil of the handheld device.

In some embodiments, the handheld device provides another metal coil with alternating current to generate magnetic field changes, and the metal coil senses the magnetic field changes provided by the handheld device to generate current.

In some embodiments, the fixing element further includes a positioning structure for making the position of the metal coil correspond to the position of another metal coil when the electronic accessory is fixed to the handheld device or the protective case of the handheld device.

In some implementations, the positioning structures comprise magnetic structures.

In some implementations, the shape of the metal coil corresponds to the shape of another metal coil.

In some embodiments, the electronic element includes a light-emitting element, a power supply module or a heating element.

In some embodiments, the electronic device includes a communication module and a processing unit. The communication module is electrically connected with the processing unit. The communication module is used for receiving the signal from the handheld device, and the processing unit is used for triggering the function of the electronic component according to the signal.

The present invention further provides an electronic accessory set for a handheld device, which includes a casing and an electronic accessory. The casing has an accommodating space for accommodating the handheld device. The housing contains a first fixing element. The electronic accessory includes a main body, a second fixing element, a metal coil and an electronic element. The second fixing element is arranged on the main body and is used for connecting the first fixing element and fixing the electronic accessory to the casing. The metal coil is arranged in the main body, and is used for inducing the change of the magnetic field provided by the handheld device and generating the current. The electronic element is arranged on the main body and is electrically connected to the metal coil, wherein the electronic element is driven by current.

In some embodiments, when the first fixing element is connected to the second fixing element, the position of the metal coil corresponds to the position of another metal coil of the handheld device.

In some embodiments, the first fixing element further includes a first positioning structure, the second fixing element further includes a second positioning structure, and the first positioning structure and the second positioning structure are used to fix the electronic accessory to the casing. The position of the metal coil corresponds to the position of another metal coil.

In some implementations, the first positioning structure and the second positioning structure comprise sets of magnetic structures.

The following disclosure provides many different embodiments or examples for implementing different features of the provided subject matter. Specific examples of components and configurations are described below to simplify the present disclosure. Of course, these components and configurations are examples only and are not intended to be limiting. In the present invention, reference in the following description to the formation of the first feature over or on the second feature may include embodiments in which the first feature is formed in direct contact with the second feature, and may also include additional features that may be formed on the first feature and the second feature so that the first feature may not be in direct contact with the second feature. Additionally, the present disclosure may repeat reference numerals and/or letters in various instances. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or configurations discussed.

Embodiments of the invention are discussed in greater detail below. It should be appreciated, however, that the present disclosure provides many applicable concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are illustrative only and do not limit the scope of the invention.

Furthermore, for ease of description, spaces such as "below", "below", "above", "upper", "lower", "left side", "right side" and similar terms Relative terms may be used herein to describe the relationship of one element or feature to another element or feature as illustrated in the figures. In addition to the orientation depicted in the figures, spatially relative terms are intended to encompass different orientations of the device in use or operation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. It will be understood that when an element is referred to as being "connected" or "coupled to" another element, it can be directly connected or coupled to the other element or intervening elements may be present.

The numerical ranges and parameters setting forth the broad scope of the invention are approximations, and the numerical values set forth in the specific examples are reported as precisely as possible. Some numerical values, however, may contain certain errors necessarily resulting from the standard deviation found in their respective testing measurements. Furthermore, as used herein, the term "about" generally means within ±10%, ±5%, ±1%, or ±0.5% of a given value or range. Alternatively, as is generally understood by those skilled in the art, the term "about" means within an acceptable standard error of the mean. Except in operating/working examples, or unless expressly specified otherwise, numerical ranges, amounts, values, and percentages (such as amounts of materials, durations, temperatures, operating conditions, ratios of amounts, and the like disclosed herein) All of the like) should be understood to be modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in this disclosure and the appended claims are approximations that may vary. At a minimum, each numerical parameter should be understood in light of the number of reported significant digits and by applying ordinary rounding techniques. A range may be expressed herein as from one endpoint to the other or between the two endpoints. All ranges disclosed herein are inclusive of the endpoints unless otherwise specified. The term "substantially coplanar" can refer to two surfaces that lie within a few micrometers (μm) along the same plane, such as within 10 μm, 5 μm, 1 μm, or 0.5 μm along the same plane. When values or properties are said to be "substantially" the same, the term can mean that the values are within ±10%, ±5%, ±1%, or ±0.5% of the mean of the values.

The invention discloses an electronic accessory and an electronic accessory set for a handheld device. In some embodiments, the electronic accessory can be directly attached to the handheld device, and the handheld device can wirelessly provide power to the electronic accessory to trigger the function of the electronic accessory. In some embodiments, the electronic accessory set may include an electronic accessory and a protective case, the handheld device is accommodated in the protective case, the electronic accessory is attached to the protective case, and the handheld device wirelessly provides power to the electronic accessory to trigger the electronic accessory function.

Please refer to FIGS. 1A to 1C . 1A and 1B are perspective views of an electronic accessory 11 according to some embodiments of the present invention. FIG. 1C is a block diagram of an electronic accessory 11 according to some embodiments of the present invention. Specifically, the electronic accessory 11 includes a main body 111 , a metal coil 113 , a fixing element 115 and an electronic element 117 . The fixing element 115 is disposed on one surface of the main body 111 . The metal coil 113 is disposed inside the main body 111 , and the electronic component 117 is disposed in the main body 111 and electrically connected to the metal coil 113 .

Please refer to FIGS. 1D to 1F together. FIG. 1D is a perspective view of a handheld device 9 according to some embodiments of the present invention. FIG. 1E is a schematic diagram of the combination of the electronic accessory 11 and the handheld device 9 according to some embodiments of the present invention. FIG. 1F is a schematic diagram of the electronic accessory 11 combined with the handheld device 9 according to some embodiments of the present invention. Specifically, the handheld device 9 has a metal coil 913 . The fixing element 115 of the electronic accessory 11 is used to fix the electronic accessory 11 on the back of the handheld device 9 . In these embodiments, the fixing element 115 includes a suction cup structure for sucking on the back of the handheld device 9 , but it is not used to limit the implementation of the fixing element 115 of the present invention.

Please refer to FIG. 1G together, which is a schematic diagram of the use of the electronic accessory 11 and the handheld device 9 according to some embodiments of the present invention. Specifically, when the electronic accessory 11 is fixed on the back of the handheld device 9 , the metal coil 113 can sense the change of the magnetic field provided by the handheld device 9 (the magnetic field lines shown in FIG. 1G ) to generate current, and provide the current to the electronic element 117 . Accordingly, the electronic element 117 is driven by the current provided by the metal coil 113 to trigger related functions. In some embodiments, the electronic element 117 includes a light-emitting element (such as a flash lamp, a fill light or an ultraviolet light), and when the electric current provided by the metal coil 113 is supplied to the electronic element 117, the light-emitting element can be triggered to act, but it is not used for The implementation of the electronic component 117 of the present invention is limited.

More specifically, when the fixing element 115 fixes the electronic accessory 11 to the handheld device 9 , the position of the metal coil 113 of the electronic accessory 11 corresponds to the position of the metal coil 913 of the handheld device 9 . Next, in the handheld device 9, the converter first converts the DC power provided by the battery of the handheld device 9 into AC power, and supplies the AC power to the metal coil 913 to generate a magnetic field change. Accordingly, the metal coil 113 of the electronic component 11 can induce changes in the magnetic field and generate current. In some embodiments, whether to add a converter (not shown) for converting alternating current to direct current in the electronic accessory 11 may be determined according to the type of the electronic components 117 .

It should be noted that, in order to improve the efficiency of electromagnetic conversion, in some embodiments, the shape of the metal coil 113 of the electronic accessory 11 may be similar to the shape of the metal coil 913 of the handheld device 9 . In some embodiments, the shape of the metal coil 113 of the electronic accessory 11 may be the same as the shape of the metal coil 913 of the handheld device 9 .

Please refer to FIGS. 2A to 2C . 2A and 2B are perspective views of an electronic accessory 21 according to some embodiments of the present invention. FIG. 2C is a block diagram of an electronic accessory 21 according to some embodiments of the present invention. Specifically, the electronic accessory 21 includes a main body 211 , a metal coil 213 , a fixing element 215 and an electronic element 217 . The fixing element 215 is disposed on one surface of the main body 111 , and the metal coil 213 is disposed inside the main body 211 . The electronic component 217 is disposed on the main body 211 and is electrically connected to the metal coil 213 .

Please refer to FIG. 2D to FIG. 2F together. FIG. 2D is a perspective view of the handheld device 9 according to some embodiments of the present invention. FIG. 2E is a schematic diagram of the combination of the electronic accessory 21 and the handheld device 9 according to some embodiments of the present invention. FIG. 2F is a schematic diagram of the electronic accessory 21 combined with the handheld device 9 according to some embodiments of the present invention. Specifically, the handheld device 9 has a fixing element 915 , and the electronic accessory 21 and the handheld device 9 are combined and positioned by the fixing elements 215 and 915 .

More specifically, in some embodiments, the fixing element 915 of the handheld device 9 includes a magnetic element and has a positioning structure 915A. The fixing element 215 of the electronic accessory 21 includes a magnetic element and has a positioning structure 215A. The electronic accessory 21 and the handheld device 9 can be combined with each other by means of the fixing elements 215 and 915 sucking each other. In other words, the fixing elements 215 and 915 are a set of magnetic structures that attract each other, so they can be combined by means of magnetic attraction.

In addition, in these embodiments, the shapes of the fixing elements 215 and 915 are similar and approximately annular, and the positioning structures 215A and 915A are irregular shapes on the fixing elements 215 and 915 , respectively. Accordingly, the positioning of the fixing elements 215 and 915 after adsorption can be completed through the adsorption of the positioning structures 215A and 915A, but the above is only an example, and is not intended to limit the implementation of the fixing element 215 of the present invention.

Please refer to FIG. 2G together, which is a schematic diagram of the use of the electronic accessory 21 and the handheld device 9 according to some embodiments of the present invention. Specifically, when the electronic accessory 21 is fixed on the back of the handheld device 9 , the metal coil 213 can sense the change of the magnetic field provided by the handheld device 9 (the magnetic field lines shown in FIG. 2G ) to generate current, and provide the current to the electronic element 217 . Accordingly, the electronic element 217 is driven by the current provided by the metal coil 213 to trigger related functions. In some embodiments, the electronic component 217 includes a power module. Among them, the power supply module can include connectors of different specifications (such as: USB-A, USB-B, Micro USB, Mini USB, USB-C, etc.), and is used to provide power to the devices that require power, but it is not used to limit this Implementation of the electronic component 217 of the invention.

More specifically, when the fixing element 215 fixes the electronic accessory 21 to the handheld device 9 , the position of the metal coil 213 of the electronic accessory 21 corresponds to the position of the metal coil 913 of the handheld device 9 . Next, in the handheld device 9, the converter first converts the DC power provided by the battery of the handheld device 9 into AC power, and supplies the AC power to the metal coil 913 to generate a magnetic field change. Accordingly, the metal coil 213 of the electronic component 21 can induce changes in the magnetic field and generate current. In some embodiments, whether to add a converter (not shown) for converting alternating current to direct current in the electronic accessory 21 may be determined according to the type of the electronic components 217 .

Please refer to Figures 3A and 3B. FIG. 3A is a perspective view of an electronic accessory 31 according to some embodiments of the present invention. FIG. 3B is a block diagram of an electronic accessory 31 according to some embodiments of the present invention. Specifically, the electronic accessory 31 includes a main body 311 , a metal coil 313 , a fixing element 315 and an electronic element 317 . The fixing element 315 includes two wings, which are respectively disposed on two sides of the main body 311 . The metal coil 313 is disposed inside the main body 311 , and the electronic component 317 is disposed in the main body 311 and is electrically connected to the metal coil 313 .

Please refer to FIGS. 3C to 3D together. FIG. 3C is a schematic diagram of the combination of the electronic accessory 31 and the handheld device 9 according to some embodiments of the present invention. FIG. 3D is a schematic diagram of the electronic accessory 31 combined with the handheld device 9 according to some embodiments of the present invention. Specifically, the fixing element 315 of the electronic accessory 31 is used to fix the electronic accessory 31 on the back of the handheld device 9 . In these embodiments, the double-wing structure of the fixing element 315 is used to engage the two sides of the handheld device 9 and clamp the handheld device 9 between the double-wing structures of the fixing element 315, but it is not used to limit the present invention. Implementation of the inventive fixing element 315 .

In addition, when the electronic accessory 31 is fixed on the back of the hand-held device 9 , the metal coil 313 can sense the change of the magnetic field provided by the hand-held device 9 to generate current, and provide the current to the electronic element 317 . Accordingly, the electronic element 317 is driven by the current provided by the metal coil 313 to trigger related functions. In some embodiments, the electronic element 317 includes a heating element (eg, a heating plate), and when the electric current provided by the metal coil 313 is supplied to the electronic element 317, the heating element can be triggered to heat up to provide a heat source, but this is not intended to limit the present invention. Implementation of electronic component 317 .

Please refer to FIGS. 4A to 4C . 4A and 4B are perspective views of an electronic accessory 41 according to some embodiments of the present invention. FIG. 4C is a block diagram of an electronic accessory 41 according to some embodiments of the present invention. Specifically, the electronic accessory 41 includes a main body 411 , a metal coil 413 , a fixing element 415 and an electronic element 417 . The fixing element 415 is disposed on one surface of the main body 411 , and the metal coil 413 is disposed inside the main body 411 .

In some embodiments, the electronic element 417 is disposed on the main body 411 and is electrically connected to the metal coil 413 . The electronic component 417 includes a processing unit 417A and a communication module 417B that is electrically connected to the processing unit 417A. The interaction between the elements is further described below.

Please refer to FIG. 4D to FIG. 4F together. FIG. 4D is a perspective view of a handheld device 8 according to some embodiments of the present invention. 4E is a schematic diagram of the combination of the electronic accessory 41 , a protective case 43 and the handheld device 8 according to some embodiments of the present invention. FIG. 4F is a schematic diagram of the electronic accessory 41 , the protective case 43 and the handheld device 8 combined according to some embodiments of the present invention. Specifically, the handheld device 8 has a metal coil 813 . The protective case 43 is used for accommodating the handheld device 8 and has a fixing element 435 on the back. The electronic accessory 41 and the protective case 43 are an electronic accessory group, and are combined with each other through the fixing elements 415 and 435 .

More specifically, in some embodiments, the fixing element 435 of the protective case 43 includes a plurality of grooves, and the fixing element 415 of the electronic accessory 41 includes a plurality of bumps. Therefore, the electronic accessory 41 and the protective case 43 can be combined by inserting the plurality of bumps into the plurality of grooves. However, it should be noted that the foregoing is only an example, and is not intended to limit the implementation of the fixing elements 415 and 435 of the present invention.

Please also refer to FIG. 4G , which is a schematic diagram of the use of the electronic accessory 41 , the protective case 43 and the handheld device 8 according to some embodiments of the present invention. Specifically, when the electronic accessory 41 is fixed on the back of the protective case 43 and the handheld device 8 is accommodated in the protective case 43 , the metal coil 413 can sense the change of the magnetic field provided by the handheld device 8 (the magnetic field lines shown in FIG. 4G ) to A current is generated and provided to the electronic component 417 . Accordingly, the electronic element 417 is driven by the current provided by the metal coil 413 to trigger related functions.

More specifically, when the fixing element 415 fixes the electronic accessory 41 to the protective case 43 , the position of the metal coil 413 of the electronic accessory 41 corresponds to the position of the metal coil 813 of the handheld device 8 . Next, in the handheld device 8, the converter converts the DC power provided by the battery of the handheld device 8 into AC power, and supplies the AC power to the metal coil 813 to generate magnetic field changes. Accordingly, the metal coil 413 of the electronic component 41 can induce changes in the magnetic field and generate current. In some embodiments, whether to add a converter (not shown) for converting alternating current to direct current in the electronic accessory 41 may be determined according to the type of the electronic components 417 .

In some embodiments, when the electronic device 417 is driven by a current, the communication module 417B can establish a wireless communication connection with the handheld device 8 . Then, the communication module 417B can receive the control signal from the handheld device 8, and the processing unit 417A can trigger the function of the electronic component 417 according to the control signal. For example, assuming that the electronic component 417 is a flash, when the user uses the handheld device 8 to take a photo, the handheld device 8 sends a control signal to the electronic component 417 to control the triggering of the flash when the user presses the photo button. For another example, assuming that the electronic element 417 is a heating element, the user can send a control signal to the electronic element 417 through the handheld device 8 to control the switching of the heating element.

It should be noted that, in the foregoing embodiments, various combinations of the fixing element and the electronic element are only examples, which are not intended to limit the combination of the fixing element and the electronic element in the present invention. The content of the disclosure understands various combinations of the fixed element and the electronic element. For example, the fixed element 115 can be matched with the electronic element 217 , 317 or 417 .

The above-mentioned embodiments are only used to illustrate the implementation of the present disclosure and to explain the technical characteristics of the present disclosure, and are not intended to limit the protection scope of the present disclosure. Any changes or equivalent arrangements that can be easily accomplished by those familiar with the technology fall within the scope claimed in this disclosure, and the scope of protection of rights in this disclosure should be subject to the scope of the patent application.

8, 9: Handheld 11, 21, 31, 41: Electronic accessories 43: protective case 111, 211, 311, 411: main body 113, 213, 313, 413: Metal coils 115, 215, 315, 415: Fixing elements 171, 217, 317, 417: Electronic Components 215A: Positioning Structures 417A: Processing Unit 417B: Communication module 435: Fixed element 813, 913: Metal Coils 915: Fixed element 915A: Positioning Structure

Aspects of the invention are best understood when the following detailed description is read in conjunction with the accompanying drawings. It should be noted that various features may not be drawn to scale. In fact, the dimensions of the various features may be arbitrarily increased or decreased for clarity of discussion.

FIG. 1A is a perspective view of an electronic accessory according to some embodiments of the present invention.

FIG. 1B is a perspective view of an electronic accessory according to some embodiments of the present invention.

1C is a block diagram of an electronic accessory according to some embodiments of the present invention.

1D is a perspective view of a handheld device according to some embodiments of the present invention.

FIG. 1E is a schematic diagram of the combination of an electronic accessory and a handheld device according to some embodiments of the present invention.

FIG. 1F is a schematic diagram of an electronic accessory combined with a handheld device according to some embodiments of the present invention.

FIG. 1G is a schematic diagram of the use of an electronic accessory and a handheld device according to some embodiments of the present invention.

2A is a perspective view of an electronic accessory according to some embodiments of the present invention.

2B is a perspective view of an electronic accessory according to some embodiments of the present invention.

2C is a block diagram of an electronic accessory according to some embodiments of the present invention.

2D is a perspective view of a handheld device according to some embodiments of the present invention.

FIG. 2E is a schematic diagram of the combination of an electronic accessory and a handheld device according to some embodiments of the present invention.

FIG. 2F is a schematic diagram of an electronic accessory combined with a handheld device according to some embodiments of the present invention.

FIG. 2G is a schematic diagram of the use of an electronic accessory and a handheld device according to some embodiments of the present invention.

3A is a perspective view of an electronic accessory according to some embodiments of the present invention.

3B is a block diagram of an electronic accessory according to some embodiments of the present invention.

FIG. 3C is a schematic diagram of the combination of an electronic accessory and a handheld device according to some embodiments of the present invention.

FIG. 3D is a schematic diagram of an electronic accessory combined with a handheld device according to some embodiments of the present invention.

4A is a perspective view of an electronic accessory according to some embodiments of the present invention.

4B is a perspective view of an electronic accessory according to some embodiments of the present invention.

4C is a block diagram of an electronic accessory according to some embodiments of the present invention.

4D is a perspective view of a handheld device according to some embodiments of the present invention.

FIG. 4E is a schematic diagram of the combination of an electronic accessory and a handheld device according to some embodiments of the present invention.

FIG. 4F is a schematic diagram of an electronic accessory combined with a handheld device according to some embodiments of the present invention.

FIG. 4G is a schematic diagram of the use of electronic accessories and handheld devices according to some embodiments of the present invention.

9: Handheld device

111: Subject

113: Metal coil

115:Fixed elements

913: Metal Coil

Claims (10)

An electronic accessory for a handheld device, comprising: a main body; a fixing element arranged on the main body for fixing the electronic accessory to the handheld device or a protective shell of the handheld device; a metal coil arranged on the In the main body, when the fixing element fixes the electronic accessory to the handheld device or the protective shell of the handheld device, the position of the metal coil corresponds to the position of another metal coil of the handheld device, and the handheld device provides The other metal coil is alternating current to generate a magnetic field change, the metal coil induces the magnetic field change to generate a current; and an electronic component is disposed on the main body and is electrically connected to the metal coil, wherein the electronic component uses the current driven. An electronic accessory for a handheld device, comprising: a main body; a metal coil disposed in the main body for inducing a magnetic field change provided by the handheld device to generate a current; a fixing element disposed in the main body, Used to fix the electronic accessory to the handheld device or a protective shell of the handheld device, wherein the fixing element further includes a positioning structure for fixing the electronic accessory to the handheld device or the protective shell of the handheld device , the position of the metal coil corresponds to the position of another metal coil of the handheld device; and An electronic element is disposed on the main body and is electrically connected to the metal coil, wherein the electronic element is driven by the current. The electronic accessory of claim 2, wherein the positioning structure includes a magnetic structure. An electronic accessory for a handheld device, comprising: a main body; a fixing element arranged on the main body for fixing the electronic accessory to the handheld device or a protective shell of the handheld device; a metal coil arranged on the In the main body, a magnetic field change provided by the handheld device is sensed to generate a current. When the fixing element fixes the electronic accessory to the handheld device or the protective shell of the handheld device, the position of the metal coil corresponds to the position of the metal coil. At the position of another metal coil of the handheld device, the shape of the metal coil corresponds to the shape of the other metal coil; and an electronic component is disposed on the main body and is electrically connected to the metal coil, wherein the electronic component uses is driven by this current. An electronic accessory for a handheld device, comprising: a main body; a fixing element arranged on the main body for fixing the electronic accessory to the handheld device or a protective shell of the handheld device; a metal coil arranged on the In the main body, a magnetic field change provided by the handheld device is sensed to generate a current; and An electronic element is disposed on the main body and electrically connected to the metal coil, wherein the electronic element is driven by the current, wherein the electronic element includes a light-emitting element, a power supply module or a heating element. An electronic accessory for a handheld device, comprising: a main body; a fixing element arranged on the main body for fixing the electronic accessory to the handheld device or a protective shell of the handheld device; a metal coil arranged on the The main body is used for inducing a magnetic field change provided by the handheld device to generate an electric current; and an electronic element is disposed in the main body and is electrically connected to the metal coil, wherein the electronic element is driven by the electric current, including : a communication module for receiving a signal from the handheld device; and a processing unit for electrically connecting the communication module for triggering the function of the electronic component according to the signal. An electronic accessory set for a handheld device, comprising: a casing having an accommodating space for accommodating the handheld device, the casing comprising: a first fixing element; and an electronic accessory comprising: a a main body; a second fixing element disposed on the main body for connecting the first fixing element and fixing the electronic accessory to the casing; A metal coil is arranged in the main body to sense a magnetic field change provided by the handheld device and generate a current; and an electronic component is arranged in the main body and is electrically connected to the metal coil, wherein the electronic component is connected to the metal coil by This current is driven. The electronic accessory set according to claim 7, wherein when the first fixing element is connected to the second fixing element, the position of the metal coil corresponds to the position of another metal coil of the handheld device. The electronic accessory set of claim 8, wherein the first fixing element further comprises a first positioning structure, the second fixing element further comprises a second positioning structure, the first positioning structure and the second positioning structure When the electronic accessory is fixed on the casing, the position of the metal coil corresponds to the position of the other metal coil. The electronic accessory set of claim 9, wherein the first positioning structure and the second positioning structure comprise a magnetic structure set.

Images