TW201421791A - Glasses-style communication device - Google Patents

Abstract

A glasses-style communication device is provided. The glasses-style communication device includes a glasses frame, a frame set, an antenna and a grounding element. The frame set is jointed to two sides of the glasses frame. The antenna is disposed on the glasses frame, and includes a feeding part. The feeding part is adjacent to a jointing place between the frame set and the glasses frame, and is configured to receive a feeding signal. The grounding element is disposed on the frame set, and is configured to providing a grounding level.

Description

Glasses type communication device

The present invention relates to a communication device, and more particularly to a glasses type communication device.

Antennas are an indispensable component of many wireless communication systems, and they are the main components of the overall performance of the system. With the gradual popularization and maturity of handheld communication devices, wearable communication devices that can be worn on users are likely to become the mainstream of future communication devices.

In general, the wearable function of the communication device can be realized by a type such as glasses or a watch. Among them, for the glasses type communication device, the communication device will be limited by the structure of the glasses itself, so that the antenna space, the system ground plane size and/or the overall setting environment in the device are far from the current handheld communication devices. . In addition, since the glasses type communication device is directly worn on the user's head, the glasses type communication device is closer to the human body in use.

Therefore, for a glasses-type communication device, how to set a suitable antenna structure in a more limited space, and to achieve a balance between good antenna radiation efficiency and impact on the human body, is a force for those skilled in the art. One of the research topics.

In view of this, the present invention provides a glasses type communication device capable of reducing the influence of an antenna on a human body while taking into consideration the radiation efficiency of the antenna.

The invention provides a glasses type communication device, which comprises a frame, a frame set, an antenna and a grounding element. The frame group is pivotally connected to both sides of the frame. The antenna is disposed on the frame and includes a feed portion. The feeding portion is adjacent to the pivoting portion of the frame group and the frame, and is configured to receive the feeding signal. The grounding element is disposed in the frame set and is used to provide a grounding level.

Based on the above, the eyeglass type communication device of the present invention has an antenna disposed on the frame and a grounding member disposed on the frame. Thereby, the glasses type communication device can reduce the influence of the antenna on the human body while taking into consideration the radiation efficiency of the antenna. In addition, the present invention also has good antenna radiation efficiency and meets actual product specifications.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a schematic diagram of a glasses type communication device according to a first embodiment of the present invention.

Referring to FIG. 1 , the glasses communication device 10 includes a frame 11 , a frame set 12 , an antenna 13 , and a grounding element 14 . In this embodiment, one or more lenses may be disposed at the frame 11. For example, the frame 11 can be a frame suitable for a general double lens (as shown in Figure 1). Alternatively, the frame 11 can also be a frame suitable for a single lens (similar to a frog mirror or a diving goggle).

The frame group 12 is pivotally connected to both sides of the frame 11. In this embodiment, the frame set 12 includes frames 121 and 122, and is rotatably pivotally connected to both sides of the frame 11. However, in another embodiment, the frames 121 and 122 may also be non-rotatably fixed to both sides of the frame 11 (for example, the frame 11 and the frame set 12 are integrally formed).

The antenna 13 is for receiving or transmitting an electromagnetic wave. In this embodiment, the antenna 13 may be a monopole antenna, a planar inverted-F antenna (PIFA), or a loop antenna. The present invention does not perform the type of the antenna 13. limit.

In the present embodiment, the antenna 13 is disposed on the surface of the lens frame 11, and the antenna 13 is formed on the surface of the lens frame 11 by, for example, etching or sputtering. However, in another embodiment, the antenna 13 may also be disposed inside the frame 11. For example, the frame 11 may have a receiving space to accommodate and set the antenna 13. In other words, the present invention does not limit the manner in which the antenna 13 is disposed in order to retain the practicality or flexibility in use.

For another example, in an embodiment, the frame 11 can include a shackle cover and an accommodating space, and the antenna 13 can be disposed in the accommodating space and can be opened or closed via the slidable cover. Manage or adjust the antenna 13 in this accommodation space.

This embodiment is an example in which a monopole antenna having a single radiating portion is used as the antenna 13. For example, in the present embodiment, the antenna 13 includes a feeding portion 131 and a radiating portion 132. The feeding portion 131 can be disposed on the frame 11 near the pivoting portion 112 of the frame 121 and the frame 11 , and the feeding portion 131 Used to receive feed signals. The radiating portion 132 may be disposed at an upper edge of the frame 11 , and the radiating portion 132 is electrically connected to the feeding portion 131 . Thereby, the feeding portion 131 can use the received feeding signal to excite the radiating portion 132, thereby causing the radiating portion 132 to emit electromagnetic waves. In addition, the radiating portion 132 can also convert the received electromagnetic wave into an RF signal, and transmit the RF signal to the feeding portion 131.

The grounding element 14 is disposed on the frame 121 of the frame set 12. In this embodiment, the ground element 14 can serve as a system ground plane to provide grounding levels. Further, in the present embodiment, the grounding member 14 is disposed on the outer surface of the frame 121. However, in another embodiment, the grounding element 14 may also be disposed inside the frame 121. For example, the frame 121 may have a receiving space to accommodate and provide the grounding member 14. In addition, the frame 122 can have a similar receiving space. Moreover, the present invention does not limit the size of the ground element 14, but the size of the ground element 14 can be fine tuned in view of practical or design considerations.

In this embodiment, the glasses communication device 10 can also include a communication module 15 , and the communication module 15 can be disposed on the frame 121 . For example, the communication module 15 can be disposed on the grounding component 14 or in the vicinity of the grounding component 14. The communication module 15 can be disposed on the receiving space or surface of the frame 121. The present invention does not perform the actual setting position of the communication module 15. Restrictions, adjusted for visual or design needs.

For example, in one embodiment, the frame 121 can include a shackle cover and a receiving space, and the grounding member 14 and the communication module 15 can be disposed on In the accommodating space, the grounding element 14 and the communication module 15 in the accommodating space can be managed or adjusted via the opening or closing of the slidable outer cover.

The communication module 15 can include various communication chips or modules to generate and transmit the feed signal to the feed portion 131 or receive and process the RF signal from the feed portion 131. For example, in the embodiment, the communication module 15 can include at least one signal source, and the signal source is electrically connected to the feeding portion 131 to provide the feed signal to the feeding portion 131. For another example, the communication module 15 can also include at least one microprocessor or microprocessor chip to process RF signals from the antenna 13 (ie, the radiating portion 132).

In addition, the communication module 15 may further include a battery, an audio input device (for example, a microphone), and/or an audio output device (for example, an earphone), etc., to improve the flexibility of use of the communication module 15 as a whole.

In addition, in addition to the communication module 15 being disposed outside the frame 121, in another embodiment, additional communication modules and/or antennas may be disposed on the frame 122 and/or the frame 11 to provide additional Communication function. For example, if the antenna 13 and the communication module 15 operate under the specifications of a Global Positioning System (GPS), the present invention can be used to enable the glasses communication device 10 to have a Bluetooth transmission function. An additional antenna is placed in the frame 11 near the frame 122 to provide additional Bluetooth transmission functionality. In particular, even if two different sets or different antennas are disposed on both sides of the frame 11, since the two sets of antennas are not too close, good signal isolation can be achieved without excessively affecting the antenna. Radiation efficiency and quality.

2 is a schematic diagram of a glasses type communication device according to a second embodiment of the present invention. Referring to FIG. 2 , the glasses communication device 20 includes a frame 11 , a frame set 12 , an antenna 23 , a grounding element 14 , and a communication module 15 . The frame 11, the frame group 12, the grounding member 14, and the communication module 15 can be referred to the description in the first embodiment, and details are not described herein again. For convenience of explanation, the antenna 23 is also disposed on the surface of the lens frame 11 as an example, and a monopole antenna having a double radiation portion is used as an example of the antenna 23.

The antenna 23 includes a feeding portion 231, a first radiating portion 232, and a second radiating portion 233. In this embodiment, the feeding portion 231 is disposed on the frame 11 near the pivoting portion 112 of the frame 121 and the frame 11 and is configured to receive the feed signal. The first radiating portion 232 is disposed on the upper edge of the frame 11 , and the first radiating portion 232 is electrically connected to the feeding portion 231 . The second radiating portion 233 is disposed at a side edge of the frame 11 , and the second radiating portion 233 is electrically connected to the feeding portion 231 .

However, the present invention is not limited to the above embodiment. In another embodiment, the antenna in the glasses communication device may also be a planar inverted F antenna. For example, FIG. 3 is a schematic diagram of a glasses type communication device according to a third embodiment of the present invention. Referring to FIG. 3 , the glasses communication device 30 includes a frame 11 , a frame set 12 , an antenna 33 , a grounding element 14 , and a communication module 15 . The frame 11, the frame group 12, the grounding member 14, and the communication module 15 can be referred to the description in the first embodiment, and details are not described herein again. For convenience of explanation, the antenna 33 is also disposed on the surface of the lens frame 11 as an example, and a planar inverted-F antenna is used as an example of the antenna 33.

The antenna 33 includes a feeding portion 331, a radiation portion 332, and a ground portion 333. In this embodiment, the feeding portion 331 is disposed on the frame 11 near the pivoting portion 112 of the frame 121 and the frame 11 and is configured to receive the feed signal. The radiating portion 332 is disposed on the upper edge of the frame 11, and the first end of the radiating portion 332 is an open circuit and is oriented in a direction relative to the pivoting portion 112 (ie, a pivotal direction of the frame 122 and the frame 11). )extend. The second end of the radiating portion 332 is electrically connected to the feeding portion 331. Similarly, the grounding portion 333 can also be disposed at the pivoting portion 112. The first end of the grounding portion 333 is electrically connected to the grounding member 14 , and the second end of the grounding portion 333 is electrically connected to the radiating portion 332 .

In yet another embodiment, the antenna in the eyeglass type communication device may also be a loop antenna. For example, FIG. 4 is a schematic diagram of a glasses type communication device according to a fourth embodiment of the present invention. Referring to FIG. 4 , the glasses communication device 40 includes a frame 11 , a frame set 12 , an antenna 43 , a grounding element 14 , and a communication module 15 . The frame 11, the frame group 12, the grounding member 14, and the communication module 15 can be referred to the description in the first embodiment, and details are not described herein again. For convenience of explanation, the antenna 43 is also disposed on the surface of the lens frame 11 as an example, and a loop antenna is used as an example of the antenna 43.

The antenna 43 includes a feeding portion 431, a radiating portion 432, and a ground portion 433. In this embodiment, the feeding portion 431 is disposed on the frame 11 near the pivoting portion 112 of the frame 121 and the frame 11, and is configured to receive the feed signal. The radiating portion 432 is disposed on the upper edge of the frame 11 and has a bent structure.

In this embodiment, the first end of the radiating portion 432 is electrically connected to the feeding portion 431. In addition, the grounding portion 433 can also be disposed at the pivoting portion 112, wherein the first end of the grounding portion 433 is coupled to the grounding member 14, and the first portion of the radiating portion 432 The two ends are electrically connected to the second end of the grounding portion 433 to obtain the grounding level provided by the grounding element 14 through the grounding portion 433.

It should be noted that the antennas 13 to 43 and the antennas shown in FIG. 1 to FIG. 4 are only used to indicate the most basic setting principles of the present invention, and are not intended to limit the actuality of the antennas. Implementation mode. In addition, due to the variety of antennas in practice, a slight modification or adjustment does not affect the basic implementation spirit of the embodiment. In other words, the antenna in each of the above embodiments may be implemented by other various types of antennas as long as it is based on the basic design principles described above, and the present invention is not limited thereto.

In order to highlight the specific effects of the present invention, the experimental results of using a monopole antenna in the first exemplary embodiment will be described below as an example.

FIG. 5 is a graph showing an antenna return loss simulated by a high frequency electromagnetic simulation software according to a first embodiment of the present invention. Referring to FIG. 1 and FIG. 5 simultaneously, in the embodiment, the frame 11 is made of glass fiber, has a thickness of about 0.8 (mm), and has a total coverage of about 130×35 (square millimeters). The frames 121 and 122 are also made of glass fibers, and have a thickness of about 0.8 (mm) and an area of about 130 × 7 (square mm). In particular, in the present embodiment, the entire frame 121 is used as the grounding member 14. The lenses are made of plastic sheets and are approximately 54 x 29 (square millimeters) respectively. Further, the antenna 13 is formed on the surface of the lens frame 11 by etching or sputtering, and the total length of the antenna 13 (including the feeding portion 131 and the radiating portion 132) is about 48 (mm), and the width of the antenna 13 is about 1.5. (mm).

After the return loss curve 501 of the antenna 13 in the glasses-type communication device 10 is simulated by the high-frequency electromagnetic simulation software, the center frequency of the antenna 13 is obtained. Near 1600MHz, it can cover the main operating frequency band of the Global Positioning System (GPS) (1575.42MHz).

FIG. 6 is a graph showing an actual return loss of an antenna according to a first embodiment of the present invention. Referring to FIG. 1 and FIG. 6, at the same time, in the present embodiment, the specifications of the glasses type communication device 10 are the same as those of the simulation using the high frequency electromagnetic simulation software in FIG.

In this embodiment, after actually measuring the return loss curve 601 of the antenna 13 in the glasses communication device 10, the center frequency of the antenna 13 is also around 1600 MHz, and can cover the main operating frequency band of the global positioning system (1575.42 MHz). ). In addition, if the universal 10 dB is used as the available standard of the return loss of the antenna, the operable band of the antenna 13 in this embodiment is between 1565 MHz and 1643 MHz (ie, between the dotted line 610 and the dotted line 620), corresponding to The bandwidth of the operating band can reach about 78MHz, which can meet at least the US Global Positioning System specifications and the Russian Global Navigation Satellite System or GLONASS (GLONASS).

FIG. 7 is a graph showing the radiation efficiency of an antenna measured according to the actual measurement of the first embodiment of the present invention. Referring to FIG. 1 and FIG. 7, at the same time, in the present embodiment, the specifications of the glasses type communication device 10 are the same as those of the simulation using the high frequency electromagnetic simulation software in FIG.

In the present embodiment, the operable bandwidth of the antenna 13 is between about 1565 MHz and 1643 MHz (i.e., between the dashed line 710 and the dashed line 720), and the radiation efficiency of the antenna 13 is about 60% or more, confirming that the present invention does have Substantial efficacy and meets actual product specifications.

In addition, the embodiment of the present invention proposes that the antenna is disposed at the farthest frame (for example, the frame 11) from the human body (ie, the head), instead of being disposed on the frame (for example, the frame 121 or 122), which can effectively reduce The effect of radiation from the antenna on the human body.

In summary, the glasses type communication device in the embodiment of the present invention effectively uses the limited space of the frame and the frame by placing the antenna on the frame and placing the grounding member on the frame. In addition, in practice, by placing the antenna on the frame, the antenna in the glasses-type communication device can be caused to be as far as possible from the human body, so as to reduce the influence of the antenna radiation on the human body. In addition, the present invention also has good antenna radiation efficiency, meets actual product specifications, and can be applied to today's antenna processes.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

10, 20, 30, 40‧‧‧ glasses communication devices

11‧‧‧ Frame

112‧‧‧ pivotal

12‧‧‧Frame set

121, 122‧‧‧ frames

13, 23, 33, 43‧‧‧ antenna

131, 231, 331, 431‧‧ ‧Feeding Department

132, 332, 432‧‧‧ Radiation Department

14‧‧‧ Grounding components

15‧‧‧Communication module

232‧‧‧First Radiation Department

233‧‧‧Second Radiation Department

333, 433‧‧‧ Grounding Department

501, 601, 701‧‧‧ curves

610, 620‧‧‧ dotted line

1 is a schematic diagram of a glasses type communication device according to a first embodiment of the present invention.

2 is a schematic diagram of a glasses type communication device according to a second embodiment of the present invention.

FIG. 3 is a schematic diagram of a glasses type communication device according to a third embodiment of the present invention.

4 is a schematic diagram of a glasses type communication device according to a fourth embodiment of the present invention.

FIG. 5 is a graph showing an antenna return loss simulated by a high frequency electromagnetic simulation software according to a first embodiment of the present invention.

FIG. 6 is a graph showing an actual return loss of an antenna according to a first embodiment of the present invention.

FIG. 7 is a graph showing the radiation efficiency of an antenna measured according to the actual measurement of the first embodiment of the present invention.

10‧‧‧ glasses communication device

11‧‧‧ Frame

112‧‧‧ pivotal

12‧‧‧Frame set

121, 122‧‧‧ frames

13‧‧‧Antenna

131‧‧‧Feeding Department

132‧‧‧ Radiation Department

14‧‧‧ Grounding components

15‧‧‧Communication module

Claims (8)

An eyeglass type communication device includes: a frame; a frame group pivotally connected to two sides of the frame; an antenna disposed on the frame and including a feeding portion, wherein the feeding portion is adjacent to the frame group and the frame a pivotal connection of the frame and receiving a feed signal; and a grounding component disposed on the frame set and configured to provide a grounding level. The spectacles-type communication device of claim 1, wherein the antenna is a monopole antenna, and includes: a first radiating portion disposed on an upper edge of the frame and electrically connected to the feeding portion. The spectacles-type communication device of claim 2, wherein the antenna further comprises: a second radiating portion disposed at a side edge of the frame and electrically connected to the feeding portion. The spectacles-type communication device of claim 1, wherein the antenna further comprises: a grounding portion disposed at the pivoting portion, and the first end of the grounding portion is electrically connected to the grounding member. The glasses type communication device according to claim 4, wherein the antenna further comprises: a radiating portion is disposed on the upper edge of the frame, wherein the first end of the radiating portion is an open circuit and extends in a direction relative to the pivoting portion, wherein the second end of the radiating portion is electrically connected to the feeding portion, And the second end of the grounding portion is electrically connected to the radiating portion. The spectacles-type communication device of claim 1, wherein the antenna further comprises: a radiating portion disposed at an upper edge of the frame, wherein the first end of the radiating portion is electrically connected to the feeding portion, and The second end of the radiating portion is electrically connected to the second end of the ground portion. The spectacles-type communication device of claim 1, further comprising: a communication module disposed on the frame and including a signal source, wherein the signal source is electrically connected to the feeding portion and configured to provide The feed signal. The glasses type communication device according to claim 1, further comprising a battery, and the battery is disposed on the frame.