TWM624510U - Electronic device - Google Patents

Abstract

An electronic device is provided. The electronic device includes a first built-in antenna, a second built-in antenna, a first switching unit, and a communication module. The first switching unit has a first input terminal, a first output terminal, and a second output terminal. The first output terminal is coupled to the first built-in antenna. The second output terminal is coupled to a first external antenna. The first external antenna is externally located on a casing of the electronic device. The first signal transmission terminal of the communication module is coupled to the first input terminal. The second signal transmission terminal of the communication module is coupled to the second built-in antenna. The communication module transmits or receives a communication signal through the second built-in antenna and one of the first built-in antenna and the first external antenna.

Description

electronic device

The present invention relates to an electronic device, and in particular, to an electronic device with a communication function.

Since most current electronic products, such as notebook computers, tablet computers or smart mobile devices, are designed with all-metal casings, the wireless transmission efficiency of built-in antennas in electronic products is easily affected by the casing structure. In addition, the volume of current electronic products is evolving toward a smaller and smaller size. Therefore, the built-in antenna in the electronic product is also susceptible to interference from adjacent electronic components, which affects the wireless transmission efficiency of the built-in antenna.

The novel creation provides an electronic device with good wireless communication function.

The electronic device of the novel creation includes a first built-in antenna, a second built-in antenna, a first switching unit and a communication module. The first built-in antenna is disposed in the casing of the electronic device. The second built-in antenna is disposed in the casing of the electronic device. The first switching unit has a first input terminal, a first output terminal and a second output terminal. The first output terminal is coupled to the first built-in antenna, and the second output terminal is coupled to the first external antenna. The first external antenna is peripherally arranged on the casing of the electronic device. The communication module has a first signal transmission end and a second signal transmission end. The first signal transmission end is coupled to the first input end, and the second signal transmission end is coupled to the second built-in antenna. The communication module transmits or receives communication signals through one of the first built-in antenna and the first external antenna and the second built-in antenna.

Based on the above, the electronic device of the present invention can be provided with a plurality of built-in antennas and an external built-in antenna, so as to realize a good wireless communication function.

In order to make the above-mentioned features and advantages of the novel creation more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

In order to make the content of the novel creation easier to understand, the following specific embodiments are used as examples by which the novel creation can indeed be implemented. Additionally, where possible, elements/components/steps using the same reference numerals in the drawings and embodiments represent the same or similar parts.

FIG. 1 is a schematic circuit diagram of an electronic device according to a first embodiment of the present invention. Referring to FIG. 1 , the electronic device 100 includes a communication module 110 , a first switching unit 121 , a first built-in antenna 131 and a second built-in antenna 132 . In this embodiment, the first built-in antenna 131 is disposed in the casing of the electronic device 100 . The second built-in antenna 132 is disposed in the casing of the electronic device 100 . The first switching unit 121 has a first output terminal 121_1, a second output terminal 121_2 and an input terminal 121_3. In this embodiment, the first output terminal 121_1 of the first switching unit 121 is coupled to the first built-in antenna 131 , and the second output terminal 121_2 of the first switching unit 121 is coupled to the first external antenna 141 . The first external antenna 141 may be externally disposed on the casing of the electronic device 100 . In one embodiment, the first external antenna 141 may be an omnidirectional antenna, such as a dipole antenna.

In this embodiment, the communication module 110 has a first signal transmission end 110_1 and a second signal transmission end 110_2. The first signal transmission end 110_1 of the communication module 110 is coupled to the input end 121_3 of the first switching unit 121 . The second signal transmission end 110_2 of the communication module 110 is coupled to the second built-in antenna 132 . In this embodiment, the communication module 110 can transmit or receive communication signals through the first built-in antenna 131 or the first external antenna 141 through the switching result of the first switching unit 121 . In addition, the communication module 110 can transmit or receive communication signals through the second built-in antenna 132 . Therefore, the communication module 110 of this embodiment can increase the coverage of the wireless communication signal by using multiple antennas, so as to have good communication capability.

However, in other embodiments, the electronic device 100 can also be coupled to one built-in antenna and two external antennas, or the electronic device 100 can also be coupled to three built-in antennas and one external antenna. For example, the second signal transmission end 110_2 of the communication module 110 can be directly coupled to the second external antenna. In this way, when the electronic device 100 is equipped with the first external antenna 141 and the second external antenna, the electronic device 100 can use one of the first built-in antenna 131 and the first external antenna 141 and the second external antenna to connect to the electronic device 100 . Transmit or receive communication signals.

In this embodiment, the communication module 110 may include, for example, a wireless network card, and is used to provide a Wi-Fi wireless communication function, but the present invention is not limited to this. The communication module 110 may include a plurality of signal transmission terminals to be coupled to a plurality of antennas, and transmit or receive wireless communication signals through the plurality of antennas. In this embodiment, the electronic device 100 may be, for example, a notebook computer, a tablet computer, a smart mobile device or other computer devices, and the electronic device 100 may further include a related computing circuit, a storage unit and/or a power management module. , such as a central processing unit (Central Processing Unit, CPU), a memory (Memory) and/or a power supply, etc., which are not limited in the present invention.

FIG. 2 is a schematic circuit diagram of an electronic device according to a second embodiment of the present invention. Referring to FIG. 2 , the electronic device 200 includes a communication module 210 , a first switching unit 221 , a second switching unit 222 , a first built-in antenna 231 and a second built-in antenna 232 . In this embodiment, the first built-in antenna 231 is disposed in the casing of the electronic device 200 . The second built-in antenna 232 is disposed in the casing of the electronic device 200 . The first switching unit 221 has a first output terminal 221_1, a second output terminal 221_2 and an input terminal 221_3. In this embodiment, the first output terminal 221_1 of the first switching unit 221 is coupled to the first built-in antenna 231 , and the second output terminal 221_2 of the first switching unit 221 is coupled to the first external antenna 241 . The first external antenna 241 may be externally disposed on the casing of the electronic device 200 . The second switching unit 222 has a first output terminal 222_1, a second output terminal 222_2 and an input terminal 222_3. In this embodiment, the first output terminal 222_1 of the second switching unit 222 is coupled to the second built-in antenna 232 , and the second output terminal 222_2 of the second switching unit 222 is coupled to the second external antenna 242 . The second external antenna 242 may be externally disposed on the casing of the electronic device 200 . In one embodiment, the first external antenna 241 and the second external antenna 242 may be omnidirectional antennas, such as dipole antennas.

In this embodiment, the communication module 210 has a first signal transmission end 210_1 and a second signal transmission end 210_2. The first signal transmission end 210_1 of the communication module 210 is coupled to the input end 221_3 of the first switching unit 221 . The second signal transmission end 210_2 of the communication module 210 is coupled to the input end 222_3 of the second switching unit 222 . In this embodiment, the communication module 210 can transmit or receive communication signals through the first built-in antenna 231 or the first external antenna 241 through the switching result of the first switching unit 221 . In addition, the communication module 210 can transmit or receive communication signals through the second built-in antenna 232 or the second external antenna 242 through the switching result of the second switching unit 222 . Therefore, the communication module 210 of this embodiment can increase the coverage of the wireless communication signal by using multiple antennas, so as to have good communication capability.

However, in other embodiments, the electronic device 200 may also be coupled to three built-in antennas and one external antenna. For example, the second output terminal 221_2 of the second switching unit 222 can be coupled to the third built-in antenna. In this way, the electronic device 200 can transmit or receive communication signals through one of the first built-in antenna 231 and the first external antenna 241 and one of the second built-in antenna 232 and the third built-in antenna.

In addition, the coupling of the communication module 210 , the first switching unit 221 , the second switching unit 222 , the first built-in antenna 231 , the second built-in antenna 232 , the first external antenna 241 and the second external antenna 242 in this embodiment The connection method, the module characteristics of the communication module 210, and the antenna characteristics of the first built-in antenna 231, the second built-in antenna 232, the first external antenna 241 and the second external antenna 242 can be referred to the description of the embodiment in FIG. 1 above. Sufficient teachings, suggestions, and implementation instructions are available, so they will not be repeated here.

3 is a schematic circuit diagram of an electronic device according to a third embodiment of the present invention. Referring to FIG. 3 , the electronic device 300 includes a communication module 310 , a first switching unit 321 , a second switching unit 322 , a first built-in antenna 331 and a second built-in antenna 332 . In this embodiment, the first built-in antenna 331 is disposed in the casing of the electronic device 300 . The second built-in antenna 332 is disposed in the casing of the electronic device 300 . The first switching unit 321 has a first output terminal 321_1, a second output terminal 321_2 and an input terminal 321_3. The second switching unit 322 has a first output terminal 322_1, a second output terminal 322_2 and an input terminal 322_3. In this embodiment, the communication module 310 has a first signal transmission end 310_1 and a second signal transmission end 310_2. In this embodiment, the first external antenna 341 may be externally disposed on the casing of the electronic device 300 . The second external antenna 342 may be externally disposed on the casing of the electronic device 300 .

The coupling method of the communication module 310 , the first switching unit 321 , the second switching unit 322 , the first built-in antenna 331 , the second built-in antenna 332 , the first external antenna 341 and the second external antenna 342 in this embodiment , the module features of the communication module 310 and the antenna features of the first built-in antenna 331, the second built-in antenna 332, the first external antenna 341 and the second external antenna 342 can be obtained by referring to the description of the above-mentioned embodiment of FIG. 1 There are enough teachings, suggestions, and implementation instructions, so I won't repeat them here.

In this embodiment, the first switching unit 321 and the second switching unit 322 may be a single-axis double-throw switch (Single Pole Double Throw, SPDT). The first switching unit 321 and the second switching unit 322 can be respectively connected to the first external antenna 341 and the second external antenna 342 via a first RF connector (RF connector) 351 and a second RF connector 352 disposed on the casing, respectively. . The first RF connector 351 and the second RF connector 352 may be SMA (Sub Miniature version A) connectors, respectively.

In this embodiment, the first switching unit 321 receives the first switching signal S1 to conduct the signal transmission path between the first built-in antenna 331 and the first signal transmission end 310_1, or conducts the first external antenna 341 and the first signal transmission end 310_1. A signal transmission path between the first signal transmission ends 310_1. In this embodiment, the second switching unit 322 also receives the second switching signal S2 to conduct the signal transmission path between the second built-in antenna 332 and the second signal transmission end 310_2, or to conduct the second external antenna 342 and the second signal transmission end 310_2. A signal transmission path between the second signal transmission ends 310_2. It should be noted that the first switching signal S1 and the second switching signal S2 may be provided by the communication module 310 or may be provided by a control circuit disposed in the electronic device 300 , which is not limited in the present invention.

In this embodiment, the communication module 310 can transmit or receive communication signals through the first built-in antenna 331 or the first external antenna 341 through the switching result of the switching performed by the first switching unit 321 according to the first switching signal S1. In addition, the communication module 310 can also transmit or receive communication signals through the second built-in antenna 332 or the second external antenna 342 through the switching result of the switching performed by the second switching unit 322 according to the second switching signal S2. Therefore, the communication module 310 of this embodiment can increase the coverage of the wireless communication signal by using multiple antennas, so as to have good communication capability.

FIG. 4 is a schematic circuit diagram of an electronic device according to a fourth embodiment of the present invention. Referring to FIG. 4 , the electronic device 400 includes a communication module 410 , a first switching unit 421 , a second switching unit 422 , a first built-in antenna 431 and a second built-in antenna 432 . In this embodiment, the first built-in antenna 431 is disposed in the casing of the electronic device 400 . The second built-in antenna 432 is disposed in the casing of the electronic device 400 . The first switching unit 421 has a first output terminal 421_1, a second output terminal 421_2 and an input terminal 421_3. The second switching unit 422 has a first output terminal 422_1, a second output terminal 422_2 and an input terminal 422_3. In this embodiment, the communication module 410 has a first signal transmission end 410_1 and a second signal transmission end 410_2. In this embodiment, the first external antenna 441 may be externally disposed on the casing of the electronic device 400 . The second external antenna 442 may be externally disposed on the casing of the electronic device 400 .

The coupling method of the communication module 410 , the first switching unit 421 , the second switching unit 422 , the first built-in antenna 431 , the second built-in antenna 432 , the first external antenna 441 and the second external antenna 442 in this embodiment , the module characteristics of the communication module 410 and the antenna characteristics of the first built-in antenna 431, the second built-in antenna 432, the first external antenna 441 and the second external antenna 442 can be obtained by referring to the description of the above-mentioned embodiment of FIG. 1 There are enough teachings, suggestions, and implementation instructions, so I won't repeat them here.

In this embodiment, the first switching unit 421 and the second switching unit 422 may be snap-type switches. In this embodiment, when the first external antenna 441 is snapped to the second input end 421_2 of the first switching unit 421 via the first jack 451 in the casing of the electronic device 300 , the first switching unit 421 conducts the second input terminal 421_2 . A signal transmission path between an external antenna 441 and the first signal transmission terminal 410_1, and the first switching unit 421 disconnects the signal transmission path between the first built-in antenna 431 and the first signal transmission terminal 410_1. When the first external antenna 441 is not snapped to the second input end 421_2 of the first switching unit 421 through the first jack 451 in the casing of the electronic device 300 , the first switching unit 421 turns on the first built-in antenna 431 A signal transmission path with the first signal transmission end 410_1. In other words, when the first external antenna 441 is disposed on the electronic device 400 , the communication module 410 performs the communication operation through the first external antenna 441 . On the contrary, when the first external antenna 441 is not disposed on the electronic device 400 , the communication module 410 performs the communication operation through the first built-in antenna 431 .

In this embodiment, when the second external antenna 442 is snapped to the second input end 422_2 of the second switching unit 422 via the second jack 452 in the casing of the electronic device 400 , the second switching unit 422 conducts the first A signal transmission path between the two external antennas 442 and the second signal transmission end 410_2. When the second external antenna 442 is not snapped to the second input end 422_2 of the second switching unit 422 through the second jack 452 in the casing of the electronic device 400 , the second switching unit 422 turns on the second built-in antenna 432 The signal transmission path between the second signal transmission terminal 410_2 and the second switching unit 422 is disconnected from the signal transmission path between the second built-in antenna 432 and the second signal transmission terminal 410_2. In other words, when the second external antenna 442 is disposed on the electronic device 400 , the communication module 410 performs the communication operation through the second external antenna 442 . On the contrary, when the second external antenna 442 is not disposed on the electronic device 400 , the communication module 410 performs the communication operation through the second built-in antenna 432 .

In this embodiment, the communication module 410 can transmit or receive communication signals through the first built-in antenna 431 or the first external antenna 4341 according to whether the first external antenna 441 is snapped to the first switching unit 421 . In addition, the communication module 410 can also transmit or receive communication signals through the second built-in antenna 432 or the second external antenna 442 according to whether the second external antenna 442 is snapped to the second switching unit 422 . Therefore, the communication module 410 of this embodiment can increase the coverage of the wireless communication signal by using multiple antennas, so as to have good communication capability.

FIG. 5 is a schematic diagram of an arrangement position of an external antenna according to an embodiment of the present invention. Referring to FIG. 5 , the electronic device 500 can be a notebook computer, and includes a first body 510 and a second body 520 . The first body 510 may include a display module 511 disposed thereon, and the second body 520 may include a keyboard module 521 disposed thereon. In this embodiment, at least one of the first external antenna 541 and the second external antenna 542 can be externally mounted on the two side casings of the second body 520 having the keyboard module 521 of the notebook computer. In this regard, the first external antenna 541 and the second external antenna 542 can be disposed on the surfaces of the two sides of the casing of the second body 520 as shown in FIG. body 510). It should be noted that the first external antenna 541 and the second external antenna 542 may be disposed far away from related internal electronic components of the electronic device 500 , such as a motherboard, a central processing unit, a Graphics Processing Unit (GPU) or a storage device etc., in order to reduce the interference of related internal electronic components to the transmission of wireless communication signals.

In one embodiment, at least one of the first external antenna 541' and the second external antenna 542' can be externally mounted on two side casings of the first body 510 having the display module 511 of the notebook computer. In this regard, the first external antenna 541 ′ and the second external antenna 542 ′ can be disposed on the surfaces of the two sides of the casing of the first body 510 as shown in FIG. the second body 520).

The electronic devices 100 , 200 , 300 , and 400 of the above-mentioned embodiments of FIGS. 1 to 4 can, for example, implement the notebook computer of the present embodiment, but the present invention is not limited thereto. In addition, the arrangement positions of the first external antennas 141 , 241 , 341 , 441 and the second external antennas 242 , 342 , and 442 in the above-mentioned embodiments of FIGS. 1 to 4 can be implemented, for example, as the first external antenna 541 and the first external antenna 541 in this embodiment. The installation positions of the two external antennas 542, but the present invention is not limited to this.

To sum up, the electronic device of the present invention is provided with a plurality of built-in antennas to achieve good wireless communication functions, and can optionally be provided with one or more externally-built antennas to effectively increase the coverage of wireless communication signals scope.

Although the present invention has been disclosed above with examples, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the new creation should be determined by the scope of the appended patent application.

100, 200, 300, 400, 500: Electronics 110, 210, 310, 410: Communication module 110_1, 210_1, 310_1, 410_1: the first signal transmission end 110_2, 210_2, 310_2, 410_2: the second signal transmission end 121, 221, 321, 421: the first switching unit 121_1, 221_1, 222_1, 321_1, 322_1, 421_1, 422_1: the first output 121_2, 221_2, 222_2, 321_2, 322_2, 421_2, 422_2: the second output 121_3, 221_3, 222_3, 321_3, 322_3, 421_3, 422_3: Input 222, 322, 422: the second switching unit 131, 231, 331, 431: The first built-in antenna 132, 232, 332, 432: Second built-in antenna 141, 241, 341, 441, 541, 541': the first external antenna 242, 342, 442, 542, 542': the second external antenna 510: The first body 511: Display module 520: Second body 521: Keyboard Module

FIG. 1 is a schematic circuit diagram of an electronic device according to a first embodiment of the present invention. FIG. 2 is a schematic circuit diagram of an electronic device according to a second embodiment of the present invention. 3 is a schematic circuit diagram of an electronic device according to a third embodiment of the present invention. FIG. 4 is a schematic circuit diagram of an electronic device according to a fourth embodiment of the present invention. FIG. 5 is a schematic diagram of an arrangement position of an external antenna according to an embodiment of the present invention.

100: Electronics

110: Communication module

110_1: The first signal transmission terminal

110_2: The second signal transmission terminal

121: The first switching unit

121_1: The first output

121_2: The second output

121_3: Input terminal

131: The first built-in antenna

132: Second built-in antenna

141: The first external antenna

Claims (10)

An electronic device, comprising: a first built-in antenna disposed in a casing of the electronic device; a second built-in antenna disposed in the casing of the electronic device; a first switching unit having a a first input end, a first output end and a second output end, wherein the first output end is coupled to the first built-in antenna, and the second output end is coupled to a first external antenna, the first external antenna The antenna is peripherally arranged on the casing of the electronic device; and a communication module has a first signal transmission end and a second signal transmission end, wherein the first signal transmission end is coupled to the first input end, and The second signal transmission end is coupled to the second built-in antenna, wherein the communication module transmits or receives a communication signal through one of the first built-in antenna and the first external antenna and the second built-in antenna . The electronic device of claim 1, wherein the first external antenna is an omnidirectional antenna. The electronic device of claim 1, wherein the first switching unit is a single-axis double-cut switch, and is connected to the first external antenna via a first radio frequency connector disposed on the casing, wherein the first The switching unit receives a first switching signal to conduct a first signal transmission path between the first built-in antenna and the first signal transmission terminal, or conducts the first external antenna and the first signal transmission terminal a second signal transmission path therebetween. The electronic device as claimed in claim 1, wherein the first switching unit is a snap-on switch, wherein when the first external antenna is not snapped by a first jack in the casing of the electronic device When reaching the second output terminal of the first switching unit, the first switching unit conducts a first signal transmission path between the first built-in antenna and the first signal transmission terminal, wherein when the first external antenna When the first jack of the casing of the electronic device is snapped to the second output end of the first switch unit, the first switch unit conducts the first external antenna and the first signal transmission end a second signal transmission path therebetween. The electronic device of claim 1, further comprising: a second switching unit having a second input terminal, a third output terminal and a fourth output terminal, wherein the third output terminal is coupled to the second internal terminal An antenna is built, the fourth output terminal is coupled to a second external antenna, and the second input terminal is coupled to the second signal transmission terminal of the communication module, the second external antenna is peripherally arranged on the casing of the electronic device above, wherein the communication module transmits or receives communication signals through one of the first built-in antenna and the first external antenna and one of the second built-in antenna and the second external antenna. The electronic device of claim 5, wherein the second external antenna is an omnidirectional antenna. The electronic device of claim 5, wherein the second switching unit is a single-axis double-cut switch, and is connected to the second external antenna via a second radio frequency connector disposed on the casing, wherein the second The switching unit receives a second switching signal to conduct a third signal transmission path between the second built-in antenna and the second signal transmission terminal, or to conduct the connection between the second external antenna and the second signal transmission terminal a fourth signal transmission path between them. The electronic device of claim 5, wherein the second switch unit is a snap-on switch, wherein when the second external antenna is not snapped by a second jack in the casing of the electronic device When reaching a fourth input terminal of the second switching unit, the second switching unit conducts a third signal transmission path between the second built-in antenna and the second signal transmission terminal, wherein when the second external antenna When the second jack of the casing of the electronic device is snapped to the fourth input end of the second switch unit, the second switch unit conducts the second external antenna and the second signal transmission end a fourth signal transmission path therebetween. The electronic device of claim 5, wherein the electronic device is a notebook computer, and at least one of the first external antenna and the second external antenna has a display module on the notebook computer. of a first body on both sides. The electronic device of claim 5, wherein the electronic device is a notebook computer, and at least one of the first external antenna and the second external antenna has a keyboard module on the notebook computer. two sides of a second body.

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