經濟部中央標準局貞工消費合作杜印製 313724 A7 B7 五、發明説明（/ ) 本發明係有關一種電腦無線接收器，尤指一種可直接 連接於電腦之COM PORT，而不需外加電源之接收器裝置。 按：賭著資訊科技的蓬勃發展，電腦除可供處理複雜 之資料及運算繁瑣之數據，尙可藉由高頻電路的接收，將 新聞、金融資訊透過無線的傳送，而將資料顯示、儲存於 電腦中，亦可作爲文字資料之傳遞或保全系統的遙控，惟 —般之高頻電路皆需俱備良好之電源，且該頻率載波中之 傅送訊號，亦需經由編、解碼，方可達到正確之資料傳送 效果，因而，將使電腦的接收周邊配備變得麈大，若運用 於筆記型電腦或較小之個人P、D、A則顯然極不理想，也 增加操作及播帶上的不便。 爰是，本發明之主要目的，即在提供一種電腦接收器 ，其包含髙頻、轉換、電源規整及微處理器等裝置，以供 連接於一般電腦或筆記型電腦、個人P、D、A之COM PORT ，藉由電源規整裝置將DSR、RTS信號鼋屋經整流、濾波及 穩壓後，以供作系統電源，並藉由轉換裝置將接收（RX) 、傳送（TX)信號分別轉換爲〇V、3Y及+4V、-4V之準位 信號，以及將BUSY信號轉換爲+4V、-4V·準位之RS232信號 ，使整個接收器不需另接供應之電源，而利於攜帶》 本發明之主要特點及其新穎性，胯於配合以下所附囫 式實施例之詳細說明，而更趨明瞭，£；圚所示： 第一画係本發明之電路方塊圖。 -3 - 本紙張尺度逋用申國國家揉準（CNS ) A4規格（210X297公釐） 裝— (請先閲讀背面之注意事項再填寫本頁) 訂 線 經濟部中央揉準局具工消费合作杜印裂 A7 B7 五、發明説明（2) 第二圓係本發明之高頻部份電路圖。 第三圖係本發明之接收及電源部份電路圖。 請參閱第一圖，本發明主要包含電源規整裝置（10) 、轉換裝置（20)、高頻接收裝置（30>以及解碼器（40 )、微處理器（50)、記憶體（60)，其中，該電源規整 裝置（10)設有一連接器（101)，以供連接於電腦之COM PORT，俾能將DSR、BTS信號電壓整流、濾波及穩壓後.， 供作系統電源； 而該高頻接收裝置（30>於接獲傳遞之無線信號後， 經由解碼器（40)之比對、解碼，以解出地址碼及留言碼 將接收信號輸至微處理器（50> ，俾將接收信號予以運算 ，而與其並接之記憶體（60>則供存放序號、速率、地址 碼等系統資料，經運算後之信號輪至轉換裝置（20〉，使 該裝置分別將接收（RX)、傳送（TX)以及BUSY等信號， 轉換爲0V、3V及+4V、-4V準位之RS232信號，俾能由連接 器101連接於電腦之COM PORT，將資料輪至電腦主機，如 此，整個系統可於不需任何外加電源之裝態下，達到資料 之接收及傳输。 請參閱第二圖，本創作之高頻部份電路圖，如圖所示 之當高頻信號由天線（ANT)接獲後，經由Q3、Q4組成之 第一級高頻放大器之放大後，輸出至Q1及其周邊元件組成 之混波級，將頻率降至21. 4M1 + Z之第一中頻，再經由濾波 -4 - 本紙張尺度適用中國國家揉準（CNS ) A4规格（210X297公釐） 裝 訂 線 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央搮準局—工消费合作社印製 分 13724 at B7 五、發明説明（3 ) 器（FILTER)送至中頻IC(CXA1484> ，轉換爲455KHZ之第 二中頻信號，再經由檢波、整形後，以產生NRZ之數位信 號。 請參関第三圖，前述之NRZ信號輸至解碼器（SM8212) 後，由該解碼器解出地址碼及留言碼，並將解碼後的資料 输至微處理器（ 8051)，經該微處理器的運算後，分別由 接收（RX)、傳送（TX) 以及BUSY端輸至轉換裝置：. 該轉換裝置中包含第一、第二及第三電晶體，其中， 該第一電晶體Q1係供將接收（RX)信號轉換爲〇V、3V之準 位信號，第二電晶體Q2係供將傳送（TX)信號轉換爲+4V 、-4V準位之RS232信號，俾能將該等準位信號輪至連接器 ，以供連接於電腦之COM PORT: 而連接於連接器上之電源規整裝置，係供將電腦之 DSR及RTS之信號電壓經由D3、D4二極髖的整流及D5、C1、 C3的濾波，以及穩壓IC (TL431)之穩壓後，將穩定之工 作電壓供應前述系統之電源所需，而整個系統的接收狀況 及RS232之供電狀況，則可由發光二極體（D6)中清楚顯 示。 本發明除直接使用RS2 3 2供電，而不需外加電源外， 其頻率系可任意燒頻於150MHZ至170MHZ或2 70MHZ至290MHZ ，且可同時擁有一鉬控制碼及多組識別碼（ID CODE)， 其中，控制碼之功能係可供更改多組接收器之ID CODE， 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） I--------裝-- (請先閲讀背面之注意事項再填寫本頁) 訂 線 A 7 B7 __ 五、發明説明（4) 或設定接收器內之任一ID CODE之開/關或全部不動作， 及同步校正多組接收器之時間或日期，以及對任一接收器 單獨關閉其接收之功能，而多組之識別碼（ID CODE)則 可因其需要，分別運用於不同資訊的接收，且傳送之訊息 皆可加上編碼，以達到保密之作用》 綜上所述，本發明以電源規整及轉換裝置，使電腦接 收器直接使用RS232之供電，免除外加電源的麻煩，使p 積得以縮小，利於攜帶，爲一資用之設計，爰依法提出專 利之申請，祈，鈞局予以審査，早日賜淮專利，至感德便 ---------^------ΪΤ-------線 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局—工消费合作社印製 本紙張尺度適用中國國家揉準（CNS ) A4規格（210X297公釐）Du Printing 313724 A7 B7 by Zhengong Consumer Cooperation, Central Bureau of Standards, Ministry of Economic Affairs 5. Description of the invention (/) This invention relates to a computer wireless receiver, especially a COM PORT that can be directly connected to a computer without the need for an external power supply. Receiver device. Press: Bet on the vigorous development of information technology. In addition to being able to process complex data and cumbersome data, the computer can display and store data by wireless transmission of news and financial information through the reception of high-frequency circuits. In the computer, it can also be used as the transmission of text data or the remote control of the security system. However, all high-frequency circuits require a good power supply, and the signal sent by the carrier in this frequency also needs to be compiled and decoded. It can achieve the correct data transmission effect, so it will make the receiving peripheral equipment of the computer become larger. If it is used in a notebook computer or a small personal P, D, A, it is obviously not ideal, and it also increases the operation and broadcast. Inconvenience. It is the main object of the present invention to provide a computer receiver that includes high frequency, conversion, power regulation and microprocessor devices for connection to a general computer or notebook computer, personal P, D, A COM PORT, after rectifying, filtering and stabilizing the DSR and RTS signals by the power regulator, it is used as the system power, and the receiving (RX) and transmitting (TX) signals are converted into 〇V, 3Y and + 4V, -4V level signals, and the BUSY signal is converted to + 4V, -4V · level RS232 signal, so that the entire receiver does not need to be connected to the supply of power, and it is easy to carry The main features of the invention and its novelty are more clearly understood in conjunction with the detailed description of the attached attached embodiment below. The first drawing is the circuit block diagram of the present invention. -3-The size of this paper is based on the Shenguo National Abrasion Standard (CNS) A4 (210X297mm) — (Please read the precautions on the back and then fill out this page) The Central Ministry of Economics, Ministry of Economic Affairs, Central Bureau of Standardization, Tooling and Consumer Cooperation Du Yin crack A7 B7 5. Description of the invention (2) The second circle is the circuit diagram of the high frequency part of the present invention. The third figure is a partial circuit diagram of the receiving and power supply of the present invention. Please refer to the first figure, the present invention mainly includes a power regulation device (10), a conversion device (20), a high-frequency receiving device (30> and decoder (40), a microprocessor (50), a memory (60), Among them, the power regulation device (10) is provided with a connector (101) for connection to the COM PORT of the computer, so as to rectify, filter and stabilize the voltage of the DSR and BTS signals for system power supply; and the After receiving the transmitted wireless signal, the high-frequency receiving device (30) compares and decodes through the decoder (40) to solve the address code and the message code and outputs the received signal to the microprocessor (50>, so that The received signal is calculated, and the memory (60> connected to it) is used to store system data such as serial number, rate, address code, etc. After the calculation, the signal turns to the conversion device (20>, so that the device will receive (RX) , Transmit (TX), BUSY and other signals, converted to 0V, 3V and + 4V, -4V level RS232 signal, so that the connector 101 can be connected to the computer COM PORT, the data round to the computer host, so, the whole The system can be installed without any external power supply , To achieve the reception and transmission of data. Please refer to the second figure, the circuit diagram of the high frequency part of this creation, as shown in the figure, when the high frequency signal is received by the antenna (ANT), the first is composed of Q3 and Q4 After being amplified by high-frequency high-frequency amplifier, it is output to the mixing stage composed of Q1 and its surrounding components, and the frequency is reduced to the first intermediate frequency of 21. 4M1 + Z, and then filtered -4-This paper size is suitable for Chinese national standards (CNS) A4 specification (210X297mm) binding line (please read the precautions on the back and then fill in this page) Printed by the Central Bureau of Economic Affairs of the Ministry of Economic Affairs-Industrial and Consumer Cooperatives 13724 at B7 Fifth, the invention description (3) device ( FILTER) is sent to the intermediate frequency IC (CXA1484>), converted to the second intermediate frequency signal of 455KHZ, and then detected and shaped to generate a digital signal of NRZ. Please refer to the third figure, the aforementioned NRZ signal is output to the decoder (SM8212), the decoder decodes the address code and message code, and outputs the decoded data to the microprocessor (8051). After calculation by the microprocessor, it is received (RX) and transmitted ( TX) and BUSY end to the conversion device: The conversion device The first, second and third transistors are included in the configuration, wherein the first transistor Q1 is used to convert the received (RX) signal into a level signal of 0V and 3V, and the second transistor Q2 is used to transmit (TX) signal is converted to + 4V, -4V level RS232 signal, so that the level signal can be rounded to the connector for connection to the computer's COM PORT: and connected to the power regulation device on the connector, It is used to supply the stable operating voltage to the aforementioned system after the computer's DSR and RTS signal voltages are rectified by D3, D4 two-pole hip rectification, D5, C1, C3 filtering, and voltage stabilizing IC (TL431). The power supply is required, and the reception status of the entire system and the power supply status of RS232 can be clearly displayed in the light-emitting diode (D6). In addition to directly using RS2 3 2 for power supply without external power supply, the invention can be arbitrarily burned at 150MHZ to 170MHZ or 270MHZ to 290MHZ, and can have a molybdenum control code and multiple sets of identification codes (ID CODE ), Where the function of the control code is to change the ID CODE of multiple sets of receivers, this paper standard is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) I -------- installed-- ( Please read the precautions on the back before filling in this page) Line A 7 B7 __ V. Description of the invention (4) or set any ID CODE in the receiver to be turned on / off or not at all, and synchronously correct multiple sets of reception The time or date of the receiver, and the function of individually turning off the reception of any receiver, and multiple sets of identification codes (ID CODE) can be used for the reception of different information according to their needs, and the transmitted information can be added In order to achieve the role of secrecy, in summary, the present invention uses a power regulation and conversion device to make the computer receiver directly use RS232 for power supply, avoiding the trouble of adding power, making the p product narrow, which is convenient for carrying. Resource design File a patent application, pray, and Jun Bureau will examine it, give Huai patent as soon as possible, and feel good --------- ^ ------ ΪΤ ------- line (please read first (Notes on the back and then fill in this page) The paper standard printed by the Central Bureau of Standards of the Ministry of Economic Affairs-Industrial and Consumer Cooperatives is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm)