TW518505B - Method for receiving and transmitting radio signal and device thereof - Google Patents

Abstract

The invention is a method for receiving and transmitting radio signal and device thereof, in which the method forwards a radio signal received from an antenna to a signal testing unit. By means of detecting the testing signal in the particular bandwidth with signal testing unit, forward the testing signal to a signal receiving unit respectively so that the signal receiving unit can detect the received signal of particular frequency matching with each signal receiving unit. Furthermore, transmit the received signal to the connected electronic devices of the signal receiving unit for processing. Thus, a single antenna can receive and transmit signals of multiple devices.

Description

518505

V. Description of the invention (1) Background of the invention: / The present invention is a method and a device for receiving and transmitting wireless signals, and 2 is for receiving each electronic device provided on the same casing through an antenna. And transmitting the output signal of each electronic device through the antenna, so that the signals of multiple devices are received and transmitted by a single antenna. Children's previous skills. · Main > Press to learn about computer peripheral devices (such as mouse, keyboard, etc.), as shown in the figure below. These peripheral devices 1 are respectively through a signal line /. The brain host 2 is connected, and the peripheral device 1 and the host 2 can transmit signals through the signal line]. The main trip 彳 H 'Each peripheral device 1 is connected to the computer with a signal line 10, and it is placed on the location of the peripheral equipment and the host 2 (such as the desktop). g 1 imitates ¥ μ Λ π α side clothing set 1, host 2 and many signal lines 10, the space is reduced, in particular, these signal lines 10 i are wound; § Hai position makes this position seem cluttered. Another type of signal transmission method with wireless transmission platform, Xiao-Cheng You = Peripheral device, which is connected to the peripheral split surface of the computer and the host computer via wireless transmission. Location (such as: the table location display number line 'can vacate a part of the space, which causes a lot of inconvenience in use and the edge split still occupies a lot of space' will outline the invention:

518505

Due to this, in order to improve the conventional peripheral devices occupying a lot of space in the placement position, the inventor finally developed a method and device for receiving and transmitting wireless signals that did not account for the present invention after long-term research and experiments. . /,

According to an aspect of the present invention, a method for receiving and transmitting a wireless signal is to transmit a wireless signal received by an antenna to a signal detection unit, so that a specific signal in the wireless signal is detected by the " Hai Ji signal detection unit. The detection signal within the bandwidth is transmitted to a signal receiving unit, and the signal receiving unit detects the received signal of a specific frequency that matches each of the signal receiving units from the detection signal. , And then send the received signal $ to the electronic device connected to each of the signal receiving units for processing ^ In this way, a single antenna can be used to receive and transmit signals from multiple devices. 〇 Another object of the present invention is to receive And the device for transmitting wireless signals, that is, each electronic device is assembled on the same casing, and the input components of each electronic device are respectively located at appropriate positions on the casing, and the control circuits for each of the electronic devices The signal detection unit and each signal receiving unit can also be arranged on the circuit board inside the case, and each of the control circuit and the signal detection unit is also provided on the circuit board. Lines were in contact with each of the signal receiving unit.

In order that the review committee can further understand and understand the purpose, shape, structural device features and functions of the present invention, the embodiments are illustrated with the illustrations and described in detail as follows: The present invention is a kind of receiving and Method and device for dining radio signal

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V. Description of the invention ⑶ As shown in the second figure, the method is to transmit the wireless element received by the antenna 3 to a signal detection unit 4 to detect the wireless signal through the signal detection sheet. The detection signal in a specific bandwidth of the signal is sent to the signal receiving unit 5 respectively, and the signal receiving is equipped with an electronic cluster 6 (such as: The keyboard, the air compressor, and the earlier antenna received the wireless signals of multiple devices. It is only invented by ff. 'Please refer to the fourth figure. Each of the electronic devices 6 is on a circuit board in the case 7. The control circuit of 6 can be set to 60 (such as the button of the keyboard, the slider m, the appropriate position on the input element of the sub-device 6, the news; the second executive. The trackball) is set separately. The case 7 is also set on the circuit board. F Jiu = Guang and Zou Wu 4 and each of the signal receiving units 5 are respectively connected with each of the signal receiving orders. The tiger detection is early, and the received signals can be sold for free. The circuit of the signal detection unit 4 is transmitted from the two === element 5 to each of the control and by a signal at In the second "receiving the signal through only one antenna 3, the control circuit, the control circuit and the early detection of the signal, you can set up each of the smaller circuits For a general user, i, the volume of the case 7 becomes smaller, so that the available space is more than enough: the space occupied by J7 + makes the user uncomfortable. The location of the case looks messy. Generally speaking, in the industry, smaller circuit boards, single antennas ...

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Etc., can reduce production costs and increase product competitiveness. In the embodiment of the present invention, please refer to the third figure. The early detection system 4 includes a low-pass filter 41, a low-noise amplifier 42, a ^ -mixer 43 and an intermediate frequency. Filter ", wherein the low-pass filter is connected to the antenna 3, and the signal received by the antenna 3 is firstly targeted at the specific bandwidth preset in the low-pass filter 41 The signal received by antenna 3 is filtered to filter out the signal. Alas, the specific signal is transmitted to the low-noise amplifier 42. After proper amplification, the mixer 43 will The amplified specific signal is mixed with a mixed signal of a specific frequency, and finally, the intermediate frequency filter 44 is used to filter and detect the required detection signal from the mixed signal to the signal receiving unit 5. Because, Each of the signal receiving units 5 is generally known in the art. In the present invention, it is generally-relatively easy to implement-a description of the preferred embodiment, please refer to the third figure. In each of the signal receiving units 5 There are another mixer 51, another low noise amplifier 52, and another middle The filter 53, a discriminator 54 and a data amplifier 55, wherein each of the discriminator 53 is connected to an oscillator 56, and each of the data amplifier 55 is connected to each of the electronic devices 6, 俾 忒When another mixed state 5 1 receives a detection signal, the other mixed state

51 mixes another mixed signal of a specific frequency, and then appropriately amplifies it through the other low-noise amplifier 52, and uses the other intermediate frequency filter 53 to filter and detect a mixed signal from the amplified another mixed signal. Receive signal, alas, the discriminator 54 f oscillates the oscillator 56 to detect the data in the received signal. Finally, the data is amplified by the data amplifier 55.

Page 7 518505 V. Description of the invention (5) Transferred to the electronic device. In the present invention, please refer to the second figure. The output signals generated by the input elements 60 of the electronic devices 6 are actuated by the control circuits of the electronic devices 6 first, and then transmitted through a The signal transmitting unit 8 'processes and transmits' from the antenna 3 to the far end; the signal transmitting unit 8 is sequentially provided with a central processing unit 8, a frequency modulator 8 2, and a transmitting mixer 83, A buffer amplifier 84, a power amplifier 85, and an impedance matching device 8 6 (as shown in the third figure). After the output signal is transmitted to the central processing unit 81 for processing, the output is transmitted through the modulator 82 The signal is converted into a modulation signal with a specific j rate. The modulation signal is mixed into a transmission signal through the transmission mixer 83. Alas, the transmission signal is buffered and amplified by the buffer amplifier 84. The transmission is amplified by the power amplifier 85. The power of the signal is, at most, an impedance matcher 86 which compiles an appropriate impedance to the transmitting signal, 嗣, 迗 to the antenna 3 and transmits to the far end. The signals of these filters 4 1 are no longer connected to a frequency, etc. (if the appropriate signal according to these frequencies' can be cut down and a phase oscillation frequency, The filters 4 1, 44 and 5 3 discard these signals for processing; the mixers 4 3, 5 丨, 8 3 ^ oscillating elements 91 (such as voltage-controlled oscillators, crystal oscillators ... (Shown in the third figure): 俾 These mixers 43, 51, 83 can be based on the oscillating frequency of the oscillating element 91, and the signals received by them are mixed. After mixing these mixers 43, 51, δ3, The generation of each element is processed; these frequency oscillators; 91 series; f lock loop 9 2 is connected to make these frequency oscillators 1 stable. 518505 V. Description of the invention (6) Press the above The above description is only one of the best specific embodiments of the present invention, but the structural features of the present invention are not limited to this. Any person skilled in the art can easily think of changes or modifications in the field of the present invention. Covered in the patent scope of this case below.

518505 Brief description of the diagrams Diagram description: The first diagram is a schematic diagram of a conventional computer and its peripheral equipment. The second figure is a block diagram of the present invention. The third figure is a circuit diagram of an embodiment of the present invention. The fourth figure is a three-dimensional external view of an embodiment of the present invention. The main component numbers are: antennas ......... signal receiving unit • 3 • 5 signal detecting unit electronic device

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Claims (1)

518505 VI. Scope of patent application1. A method for receiving and transmitting wireless signals. The method is to transmit the wireless signal received by an antenna to a signal detection unit to detect the wireless signal by the signal detection unit. The detection signal within a specific frequency band, 嗣, sends the detection signal to a signal receiving unit respectively. 俾 The signal receiving unit then detects from the detection signal a specific frequency matching each of the Qihai signal receiving units on the disk. Receive the signal, and then process the receiving = number = to the electronic device connected to each of the signal receiving units, and process 2 2-a device that receives and transmits wireless signals, including: the second case, the appropriate There are several circuit boards for electronic devices in the position. The circuit boards are located in the case. 苴 & The electricity: the control circuit of the device is connected to each of the control circuits; The control circuit is connected to a signal detection unit; ° ~ an antenna, the antenna is arranged in the casing and another appropriate signal detection unit is connected. And the receiving device as described in item 2 of the scope of patent application, wherein the signal detection unit includes a 1-pass wireless signal and a low-pass filter, the low-pass filter is related to the antenna Special signal f? The received signal can be preset through the low-pass filter '7-member wide field, and for the signal received by the antenna, enter ^ to filter out the specific signal required; signal Filtering, a low-noise amplifier, the low-noise amplifier is properly amplified; T 4 special signal,-a mixer, the mixer is a specific signal after amplification, mixed out 518505 6. Scope of patent application: A mixed signal with a specific frequency; an IF filter. The IF filter detects the required detection signal from the mixed signal for transmission to the signal receiving unit. 4 · The device for receiving and transmitting wireless signals as described in item 2 of the scope of the patent application, wherein each of the signal receiving units includes: another mixer, the other mixer is the one that it receives. A detection signal is mixed with another mixed signal of a specific frequency; another low-noise amplifier is another low-noise amplifier that appropriately amplifies another mixed signal; another IF filter is another IF The filter detects a received signal in another amplified mixed signal; a discriminator, which is connected to the / oscillator, and the discriminator detects the signal based on the oscillator's oscillating signal. The data in the received signal is measured. A data amplifier is connected to an electronic device. The data amplifier is amplified and transmitted to the electronic device. 5 · According to the method of receiving and transmitting wireless signals described in item 1 of the scope of the patent application, where each electronic device wants to output to a remote output signal, it can be transmitted by the antenna after processing through a signal transmitting unit. To the far end. 6. The device for receiving and transmitting wireless signals as described in item 2 of the scope of patent application, wherein each of the electronic devices is connected to a signal transmitting unit, and the signal transmitting unit is connected to the antenna. 7. The device for receiving and transmitting wireless signals as described in item 6 of the scope of patent application, wherein the signal transmitting unit includes: