TWI222004B - Hybrid signal transmitting system - Google Patents

Abstract

A hybrid signal transmitting system, comprising: a multiplexing device for receiving a hybrid signal composed of at least one signal output from a keyboard, a mouse and a touch pad, and converting the hybrid signal into a sequential signal; a RF (radio-frequency) transmitter for receiving the sequential signal, converting the sequential signal into an RF signal and then transmitting the RF signal; a radio-frequency receiver for receiving the RF signal and converting the RF signal into the sequential signal; and a de-multiplexing device, for receiving the sequential signal and converting the sequential signal into a to-be-processed signal corresponding to one of the keyboard, the mouse and the touch pad.

Description

1222004 amendment

_ Case No. 9212WU9 Description of the invention (1) [Technical field to which the invention belongs], issued: related to-a type of signal transmission system, wireless hybrid signal transmission between a special computer and a keyboard or a gas or touch device; [prior art] 1 "Technology is changing with each passing day" After the Industrial Revolution, the mid-20th century, with the development of the machine, "the human world has a profound impact. From the vacuum tube meter :: Electricity: a body computer to a microcomputer with integrated circuit, people are fast." Engaged in a large number of complicated data processing and calculations, and twenty :: The method of staring processing is maintained under high precision and credibility. After the invention of the computer, the birth of the Internet can undoubtedly be called; ". The personal computers owned by people are connected to each other through a variety of mobile communication and action lines to form a dense communication network. The network can be accessed from the Internet as long as the Internet is connected. The mission of the earth = radical change of the Internet for defense purposes = communicator & accelerates the speed of information flow and sharing between each other. From e-mail: cattle, online bookstores, online movie theaters, online ordering, electronic delivery ‘ϊ ϊ’ are born from the Internet. The shadow of the Internet ... The inverse world penetrates into every corner of people's daily life ^, and then leads into the era of the so-called "knowledge economy". When electronic devices want to achieve the above-mentioned versatility, not only should they be expanded: equipment such as keyboards, mice, etc., and notebook computers are convenient for carrying η, π touch pads, and because The development of science and technology 'peripheral equipment has developed from a home to a non-home, but no 1222004

The line device is a wireless device that uses high-frequency frequencies. The transmitter and the corresponding frequency transmitting consume a lot of production and use costs at different frequencies, which require a variety of different peripheral devices. The mixed signal transmits data due to the frequency transmission distance and affects Quality, so it is limited to the production of the relevant transmission of the electronic device, the keyboard or mouse or touch device is transmitted to the host of the electronic device, because it must be equipped with a variety of different frequency receivers, not only need to eliminate and if The keyboard or mouse or touch device rate signals will interfere with each other, which will reduce the scope of transmission. Therefore, the above-mentioned product manufacturers are trying to overcome them. [Summary of the Invention]

y The main purpose of this case is to provide a mixed signal transmission system. JL can transmit multiple peripheral devices of a computer system in the form of serial signals ^ Combined with radio frequency technology to achieve the effect of transmitting mixed signals of multiple peripheral devices. ° ~ ^ The secondary purpose of this case is to provide a hybrid signal transmission system, which can transmit multiple signals to multiple peripheral devices of a computer system by radio frequency technology to achieve the effect of reducing distance and limiting mixed signals. To achieve the above object, the present invention provides a hybrid signal transmission system, which includes: a multiplexing device, a radio frequency transmitter, a radio frequency receiver, and a demultiplexing device. ° 4 multiplexing device which can optionally receive the composite signal transmitted by at least one of a keyboard (K / B), a mouse and a touch pad (t0uch pad), the multiplexing device The transmitted composite signal can be converted into a sequence of signals that are properly arranged. The radio frequency transmitter can receive the serial signal. The radio frequency transmitter

1222004 Case number 92122442 V. Description of the invention (3)

RF signal. The radio frequency receiver can convert the serial signal into an outgoing signal. The radio frequency receiver can receive the radio frequency signal for converting the radio frequency signal into the serial signal. ′ The demultiplexing device, the mouse, and the demultiplexing device can receive the serial signal, and can provide the serial signal into a pending signal corresponding to a keyboard touch device. [Embodiment] The invention will be described below. Please refer to the drawings. Those skilled in the art must understand that the description below is for illustration only and is not intended to limit the present invention. The following is a description of the preferred embodiments of the present invention. The mixed signal transmission system is described, but the actual system configuration does not have to completely conform to the described systems and methods. Those skilled in the art can make various changes and modifications without departing from the actual spirit and scope of the present invention. .

Please refer to FIG. 1, which is a schematic diagram of a circuit block configuration of a preferred embodiment of the hybrid signal transmission system of the present invention. The hybrid signal transmission system of the present invention includes: a multiplexing device i, a radio frequency transmitter 2, a radio frequency receiver 3, and a demultiplexing device 4. In general, a personal desktop or notebook computer is connected to a plurality of peripheral devices to meet different usage needs. The most common ones are a keyboard 5 (K / B), a mouse 6 (mouse), and a touch. Control device 7 (touch pad). The keyboard 5 transmits signals to the multiplexing device 1 through a two-way signal path through a PS / 2 interface. The two-way signal path is a keyboard data signal path 51 and a keyboard pulse signal path 52, respectively. Mouse 6 uses a two-way two-way signal path with a PS / 2 interface 1222004 銮 92122442, which is referred to as the amendment 5. Description of the invention (4) The signal is transmitted to the multiplexing device 1 ', wherein the two-way signal path is a The mouse data signal path 61 and a mouse pulse signal path 62. The touch device 7 transmits signals to the multiplexing device 1 through a two-way signal path through a PS / 2 interface. The two two-way signal path A touch device data signal path and a touch device pulse signal path 72. From the above multiplexed device 1, it is optional to receive at least one of the keyboard 5, the mouse 6, and the touch device 7. The synthetic signal passed is serialized by a TDMA method (Time Division Multiple Access). The time division multiplexing method continuously scans the keyboard 5, the mouse 6, and the touch. The control device 7 ′ sends the data transmitted by the keyboard 5, the slider 6, and the side touch device 7 first, and an additional signal is provided on the keyboard (assuming that the keyboard is 0 0, the mouse is 〇1, and the touch The control set is 11) 'Of course, the remote add-on machine can be called a single address signal (ID), a status signal and command exchange signal, a protected parity signal (P AR 丨 τΥ), or two can be freely The signal used (AUX-IN, AUX-0UT), so that the multiplexer sets a bit to convert the passed synthetic sfi number into an appropriate method and arranges it into—sequence signal 9 1 and the keyboard 5 The transmission method is converted into a single serial signal 91. Similarly, the mouse 6 transmission method can also be converted into a single serial signal 91. The touch device 7 transmission method can also be converted into a single serial signal 91, or even combined with the keyboard. 5 and the mouse 6, the mouse 6 and the touch control device 7, the keyboard 5 and the touch device 7 and the keyboard 5 and = touch, and the setting 7 can be converted into a single serial signal 91, The mouse transmitter 2 receives the serial signal 91, and the radio frequency transmitter has more-

(Not shown in the figure), the modulator can convert the serial signal 91. Page 8 1222004 Case No. 92122442 Amendment V. Description of the invention (5) It sends an RF signal 92 to the outside. In a preferred embodiment of the present invention, the radio frequency receiver 3 and the demultiplexing device 4 are arranged in an electronic device 8, which is a motherboard of a personal computer or a motherboard of a notebook computer or It is a motherboard such as a personal digital assistant (PDA). The radio frequency receiver 3 can receive the radio frequency signal 92. The radio frequency receiver has a demodulator (not shown in the figure). The demodulator can convert the radio frequency signal 92 into the sequence signal 91, and the sequence signal 9 1 of the radio frequency transmitter 2 is encoded by an appropriate method, and the radio frequency receiver 3 decodes and responds to the sequence signal. The serial signal 91 is used for subsequent signal processing, and the demultiplexing device 4 can receive the serial signal 91, and the demultiplexing device 4 is set in an input / output chip 81 (I / O chip). Or it is set in a South Bridge chip (SB), so that the chip 81 can be used with the TDMA method (Time Divisiori MultipU)

Access time-division multiplexing) will de-serialize, that is, read the additional signal and distribute it to the corresponding keyboard 5, the mouse 6, and the touch device 7 ^ a pending signal. Both should fall within the scope of the present invention. In addition, the present invention has not been seen in any public places or publications.

In summary, the hybrid signal transmission system of the present invention can indeed transmit a plurality of peripheral devices of a computer system in a serial signal manner and combine with radio frequency technology, so as to achieve the transmission of mixed signals of a plurality of peripheral devices and reduce the distance f response. And limiting the effectiveness of mixed signals can indeed overcome the lack of conventional technology, meet the needs of the industry, and improve industry competitiveness. The above description is only a preferred embodiment of the invention, and should not be used to limit the implementable scope of the invention. J Some modifications of the content of the invention, without violating this issue 1222004 _ Case No. 92122442_ _ V. Explanation of invention (6) The invention patent elements of "practicality, novelty and advancement", so we cannot file an application for invention patent. I ask your examiner to allow time for examination and to grant patents early. Page 10 1222004 Case No. 92122442 Amendment Brief Description of Drawings Figure 1 is a schematic diagram of the circuit block configuration of the preferred embodiment of the mixed signal transmission system of the present invention. [Illustration of drawing number] Buduo engineering device 2 ~ RF transmitter 3 ~ RF receiver 4 ~ Demultiplexing device 5 ~ Keyboard 5 1 ~ Keyboard data signal path 5 2 ~ Keyboard pulse signal path 6 ~ Mouse 6 1 ~ Slide Mouse data signal path 6 2 ~ Mouse pulse signal path 7 ~ Touch device 71 ~ Touch device data signal path 72 ~ Touch device pulse signal path 8 ~ Electronic device 8 1 ~ Chip 9 1 ~ Serial signal 92 ~ RF signal

Claims (1)

1222004 __ 索 号 92122442 VI. Scope of Patent Application Date_ 1 · A hybrid signal transmission system, which includes: a multiplexing device, which can optionally receive a keyboard (K / B), a mouse ( mouse) and a composite signal transmitted by at least one of its touch pads, the multiplexing device can convert the transmitted composite signal into a sequence of signals arranged appropriately; a radio frequency transmitter , Which can receive the serial signal, the radio frequency transmitter can convert the serial signal into a radio frequency signal sent out; a radio frequency receiver, which can receive the radio frequency signal, the radio frequency receiver can provide the radio frequency signal The signal is converted into the serial signal. A demultiplexing device can receive the serial signal. The demultiplexing device can provide the serial signal into a corresponding keyboard, the mouse, and one of the touch devices to be processed. Signal. 2 · The hybrid signal transmission system as described in item 1 of the scope of patent application, wherein the synthetic signals transmitted by the keyboard, the mouse, and the touch device are transmitted to the multiplexing device through a PS / 2 interface . 3. The hybrid signal transmission system as described in item 1 of the scope of patent application, wherein the keyboard transmits signals to the multiplexing device through a two-way signal path. 4. The hybrid signal transmission system as described in item 3 of the scope of patent application, wherein the two bidirectional signal paths are a keyboard data signal path and a keyboard pulse signal path, respectively. 5. The mixed signal transmission system described in item 1 of the patent application scope, wherein the mouse transmits signals to the multiplexing device through two pairs of signal paths. 1222004 ------- MM 92199/1/19 _____- month-month_correction-_ VI. Patent application scope 6 · The mixed signal transmission system as described in item 5 of the patent application scope, where the two-way signal path They are a mouse data signal path and a mouse pulse signal path. 7. The hybrid signal transmission system as described in item 丨 of the patent application scope, wherein the touch device transmits signals to the multiplex device through two bidirectional signal paths. 8. The hybrid signal transmission system as described in item 7 of the scope of patent application, wherein the two bidirectional signal paths are a data signal path for a touch device and a pulse signal path for a touch device. 9. The hybrid signal transmission system according to item 1 of the scope of patent application, wherein the radio frequency receiver and the demultiplexing device are arranged in an electronic device. I 0 · The mixed-signal transmission system according to item 1 of the scope of the patent application, wherein the RF transmitter and the RF receiver are transmitted and received by a TDMA (Time Division Multiple Access) communication protocol method. II. The mixed signal transmission system described in item 1 of the scope of patent application, wherein the keyboard, the mouse, and the composite signal transmitted by the touch device are each provided with an additional signal. 1 2 · The hybrid signal transmission system described in item 11 of the scope of patent application, wherein the additional signal is an address signal (ID). 1 3 · The hybrid signal transmission system described in item 11 of the scope of patent application, wherein the additional signal is a state and command exchange signal. 1 4 · The hybrid signal transmission system described in item 11 of the scope of patent application, wherein the additional signal is a parity signal for protection transmission Page 13 122 2004 Case No. 92122442 Sixth, patent application scope (PARITY). 1 5 · The mixed signal transmission system as described in item 11 of the scope of patent application, wherein the additional signal is a freely usable signal (AUX_IN, AUX —OUT). 16 · The hybrid signal transmission system described in item 1 of the scope of patent application, wherein the serial signal of the RF transmitter is encoded by an appropriate method, and the serial signal of the RF receiver is decoded correspondingly. 1 7. The hybrid signal transmission system according to item 1 of the scope of patent application, wherein the RF transmitter is further provided with a modulator, which can convert the serial signal into the RF signal. 18 · The hybrid signal transmission system described in item 1 of the scope of patent application, wherein the radio frequency receiver is further provided with a demodulator, and the demodulator can convert the radio frequency signal into the serial signal. 19 · The mixed signal transmission system described in item 1 of the scope of patent application, wherein the mixed signal transmission system is set on a computer motherboard. 2 0 · The hybrid transmission system as described in item 1 of the patent claim, wherein the demultiplexing device is set in an I / O chip. 0 2 1 The hybrid signal transmission system described in item i of the patent application range, wherein the demultiplexing device is located in a Southbridge (SB) chip. Page 14