M383877 五、新型說明： 【新型所屬之技術領域】 本新型係有_訊抑制H，尤指―種具有-對數翻 及放大器及-電子開關’可以防止及有效抑制上傳射頻雜入 有線電視之同轴欖線中。 【先前技術】 按，目刖豕中有線電視系統可以提供使用者以纜線數據機 (cable modem)或電視機上盒(set t〇p b〇x)方式下載(d〇wni〇ad) 影ΐ，虎（其頻率約54MHZ-1000 MHz)或以上傳(―tream)方式 傳送資料（其頻率、約5MHz-42MHz)至有線電視系統之主機中/ 如此，同軸欖線中即同時具有54MHz_1〇〇〇腿2之 量儀之上傳射頻資料。但當使用者上傳資料時，可;= 用者位於纜線末端或其他原因，麟巾充斥各麵訊，使雜訊也 跟著上傳麵資料㈣人同減射，如此， 同轴 線中訊號之傳輸品質。 种，，見 目前習知分接器（taP)或分配器（distributor)中所採用之 技術都是採驗電磁干擾_⑽丨瞭）以抑獅訊，其 微抑制但不能關閉上傳通道，雜訊將持續進入同軸纔線中，因此， 效果並不顯著。 針對上述f知分接II或分配器之缺點，本新型提供 抑制器，以改善上述之缺點。 雜 【新型内容】 本，型之-目的係提供一種雜訊抑制器，其具有 測 及放大器’可_是否有上傳訊號要進人同減線中。、 本新型之另—目的係提供—種雜訊抑㈣，其具有 ΐ德可t該對數侦測及放大器_到有上傳訊號時被開啟，以使 上傳訊说要進入同轴纜線中，並於上傳結束時關_第_開關， 3 M383877 以徹底防止雜訊進入同軸纜線中。 雜之另—目的係提供—種雜訊抑制器’其可輸出直流電 源供其他纜線數據機或電視機上盒使用。 一為，上述之目的，本新型之一種雜訊抑制器，其包括：一第 一連接器，用以輸人—射頻訊號；H波器，接至該第一 連，器’可_射頻訊號執行紐；一齡器，祕至該第一遽 波，’可對該第-驗器之輸^喊執行轉；—對數偵測及二 大器j輕接至_合|| ’可對雜合||之輸出訊號執行對數偵測 及電壓放大；一比較器，耦接至該對數偵測及放大器可對該對 數憤f及放Ali之輸出訊賴行比較；-切換控制11，耗接至該 比較β，可根據該比較器之輸出訊號輸出一控制訊號；_第一開 關’、分別雛至雜合妓該切換控㈣，可根據該控制訊號關 閉，開啟’以決定輸出該射頻訊號與否；—第二連接器，輕接至 該第-開Ρ ’用以輸出該射頻訊號；以及__電壓調整器，其一端 減至-第-直流電源’並將該第—直流電_換成—第二直流 電源後輸纽該[開關、對數侧及放Αιι及味器使用。；| 為使貴審查委員能進一步瞭解本新型之結構、特徵及其目 的，茲附以圖式及較佳具體實施例之詳細說明如后。 、 【實施方式】 凊參照圖1 ’其繪示本案一較佳實施例之雜訊抑制器之方塊示 意圖。 如圖所示，本新型之雜訊抑制器，其包括：一第一連接器10; -第-滤波器2G ’ -輕合器30 ;-對數偵測及放大器4Q ; 一比較 器50，一切換控制器60 ; —第一開關7〇 ; 一第二連接器8〇 ;以 及一電壓調整器90所組合而成者。 其中，該第一連接器1〇例如但不限於為光纖連接器 (F-connector)或乙太區域網路（Ethernet)之RJ-45連接恶，田 以輸入-射頻（RF)訊號至-纜線（圖未示）中，其頻率例如但 4 877 不限於為5MHz-42MHz。 該第一濾波器20係耦接至該第一連接器1〇，可對該射頻訊 執行渡波。該第-渡波器20例如但不限於為一帶通(band_阳& 據波器’其過濾頻率例如但不限於為5MHz_42MHz。 該耦合器30係耦接至該第一濾波器2〇，可對該第一濾 2〇之輸出訊號執行取樣。該耦合器3〇例如但不限於為一=圈盗 該對數偵測及放大器（log detect〇r/c〇ntr〇Uer)4〇係 合器，可對_合器3G之輸出訊號執行對數偵測= 放大。該對數_及放大器4G例如但不限於為—運算放大 (Operation Amplifier) ’ 可先對該耦合器 3 後再執行傾放大，健比較㈣進行比較。獅减取對數 該錄1 5G _接至制數侧及放大$ 4 執行比較。該比較器5。例如= f 40之輸出電壓高於或等疆· 5V時，該比田較 時，該比較議卩輸40之_壓低㈣㈣ 該切換控制If 6G係g接至該比較II 5Q 之輸出訊號輸出一控制1铼#+77：w&+rt^i 了根據該比較器50 ，重管必w 减_換控制1160例如但不限於A- σ，而該控制訊號則例如但不限於一單藉能i 該第一_ 1嶋吧之_號。 可根據該㈣峨 限於為類似謂:ΐ 訊號輸出至賴線上；_合之上傳射頻 傳射頻訊號無法輪出至° 4低電辦即綱，使該上 該第二連上’㈣絲麵人該纜線中。 抑_接至該第，㈣以輸出該射頻訊 M383877 ^ ° 80 ^^if^^^m^E(F-connector) 或·__路之叫5連接器，二:=M383877 V. New description: [New technology field] This new type has _ s suppression H, especially the kind of - logarithmic flip and amplifier and - electronic switch 'can prevent and effectively suppress the uploading of radio frequency into cable TV In the shaft line. [Prior Art] According to the video cable system, the cable TV system can provide users with cable modem or set-top box (set t〇pb〇x) to download (d〇wni〇ad) , Tiger (whose frequency is about 54MHZ-1000 MHz) or transfer data (the frequency, about 5MHz-42MHz) to the host of the cable TV system / so, the coaxial line has 54MHz_1〇〇 Upload radio frequency data from the measuring instrument of the lame 2 . However, when the user uploads the data, the user can be at the end of the cable or for other reasons. The lining is filled with all the information, so that the noise is also followed by the uploading information (4), and the same signal. Transmission quality. Kind of, see the current technology used in conventional taps (taP) or distributors to detect electromagnetic interference _ (10) 以 以 以 以 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The news will continue to enter the coaxial line, so the effect is not significant. In view of the above disadvantages of the tapping II or distributor, the present invention provides a suppressor to improve the above disadvantages. Miscellaneous [New content] This, the purpose of the purpose is to provide a noise suppressor, which has a measurement and amplifier 'can _ whether there is an upload signal to enter the same line. The other purpose of the present invention is to provide a kind of noise (4), which has the logarithmic detection and the amplifier _ is turned on when the signal is uploaded, so that the uploading message is to enter the coaxial cable. At the end of the upload, turn off the ___ switch, 3 M383877 to completely prevent noise from entering the coaxial cable. Miscellaneous—the purpose is to provide a noise suppressor that can output DC power for use by other cable modems or television sets. For one of the above purposes, a noise suppressor of the present invention includes: a first connector for inputting a human-RF signal; an H-wave device connected to the first connector, the device can be _ RF signal Execution of New Zealand; one-aged device, secret to the first chop, 'can perform the transfer of the first-inspector's input; - logarithmic detection and two major j-lighted to _he || The output signal of the || performs logarithmic detection and voltage amplification; a comparator coupled to the logarithmic detection and amplifier can compare the logarithm of the logarithm and the output of the output of the Ali; - the switching control 11, the consumption Up to the comparison β, a control signal can be output according to the output signal of the comparator; the first switch ', the switch to the switch (4), can be turned off according to the control signal, and can be turned on to determine the output of the RF signal. Or not; - the second connector, lightly connected to the first opening - for outputting the RF signal; and __ voltage regulator, one end of which is reduced to - the first - DC power supply 'and the first - DC After the second DC power supply, the switch should be used [switch, logarithmic side and Αιι). The detailed description of the drawings and preferred embodiments is set forth in the accompanying drawings. [Embodiment] Referring to Figure 1 ', a block diagram of a noise suppressor in accordance with a preferred embodiment of the present invention is shown. As shown, the noise suppressor of the present invention comprises: a first connector 10; - a first filter 2G' - a light combiner 30; - a logarithmic detection and amplifier 4Q; a comparator 50, a The switching controller 60; - the first switch 7 〇; a second connector 8 〇; and a voltage regulator 90 are combined. The first connector 1 is, for example but not limited to, an F-connector or an Ethernet RJ-45 connection, and an input-radio frequency (RF) signal to the cable. In the line (not shown), the frequency thereof is, for example, but 4 877 is not limited to 5 MHz - 42 MHz. The first filter 20 is coupled to the first connector 1 to perform a wave on the radio frequency. The first wave modulator 20 is, for example but not limited to, a band pass (band_positive & filter] whose filtering frequency is, for example but not limited to, 5 MHz to 42 MHz. The coupler 30 is coupled to the first filter 2 Sampling the output signal of the first filter 2. The coupler 3 is, for example but not limited to, a log detection/amplifier (log detect〇r/c〇ntr〇Uer) 4〇 coupler Logarithmic detection = amplification can be performed on the output signal of the _ combiner 3G. The logarithm _ and the amplifier 4G are, for example but not limited to, "Operation Amplifier", and the coupler 3 can be first subjected to tilt amplification. Compare (4) for comparison. Lion minus logarithm of the record 1 5G _ connected to the system side and zoom in $ 4 to perform comparison. The comparator 5. For example, if the output voltage of = 40 is higher than or equal to 5V, the field In the meantime, the comparison is reduced to 40% (four) (4) The switching control If 6G system g is connected to the output of the comparison II 5Q signal output control 1铼#+77:w&+rt^i according to the comparator 50 The heavy pipe must be reduced _ change control 1160 such as but not limited to A- σ, and the control signal is, for example but not limited to, a single borrowing energy i The first _ 1 嶋 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The second connected to the '(4) silk face person in the cable. _ _ to the first, (4) to output the RF signal M383877 ^ ° 80 ^ ^ if ^ ^ ^ m ^ E (F-connector) or __The road is called 5 connector, two:=
ί 1G 卿塌11 8G 者白為先纖連接盗或RJ_45連接器）或不 器另-為訂-45連接器）之方式配置。J如為先纖連接 第 r==r5_。該第二直= 承载5 雜，1J器進一步具有—印刷電路板100以 A?^ 20' ^1130' =40比較盗50、切換控制器6〇、第 等元件’細知技術，本St 置二 之間’與該第—開關7G相同，可根據 :第-連接⑽ 咕制是雜出該_訊號至觀上，其巾 電子式開關。 開關71亦為- 此外，本新型之雜訊抑制器進一步呈 ^該印刷電路板議上且位於該輕:器3。及;=及= 進—頻綱合_之輸= 通濾波，以增強其濾波效果。 4^Μί1ζ 此外，本新型之雜訊抑制器進一步夏 係置於該印刷電路板100上且位於該第1、二渡波器75 ’其 8〇之間’可進-步對該第二瞻i i:二及該，二連接器 < 帶通渡波。 ^^m#u^t5MHZ-42MHz 於運作時，若該對數偵測及放大器_到該第一連接器ι〇有 6 射頻號要上傳，則該比較器50將輪出古_ 60輪出具有高電仅之單料 阿電<’使該切換控制器 關71之早％態控制錢’使該第-開關70及第二開 同夺開啟，因此，射頻訊號可上 . 測及放大器未__第^_ 1n=f·'見線中，右該對數偵 比較哭50將賴有射頻訊號要上傳時，則該 訊Ρ _，使細_器⑽輸出低電位之控制 號將°無法I僂J關7G及第二開關71同時關閉，因此，射頻訊 二搞型之雜二=較:==訊=該_。因 傳時概嶋===㈣爾财有在不上 交換1之雜訊抑制器進一步具有一電源輸入端110; -…、心'單元120 ;以及一電源輪出端130。 不該電雜入端110之一端輕接至一交流電源，例如但 不限於為AC 110-240V。 妓，電源供應單元120輕接至電源輸入端110之另一 整器如。Μ流電轉換成該第—直流電源Α後輸出至該電壓調 雜出端⑽其—端输至敏換式電雜應單元120 機使用心輸出該第—直流電源A供其他纜線數據機或電視 六番^卜搞型之雜訊抑制11進—步具有-殼體⑽未示），以 路板⑽、電源輸人端llG、交換式電雜應單元120 ^ij端13〇等元件。該殼體例如但不限於由塑膠材質所製 成。 #^此’本新型之雜訊抑制器可同時具有阻隔雜訊進入纜線及 &供=源供其他分配n或分接器使用之功能。 ，、’VT、上所述，藉由本新型之雜訊抑制器之實施，其具有一對數 ΐ測=大11及—電子開關’可賜止及有效抑制上傳射頻雜訊 入、、電視，此外，其亦可提供電源供其他纜線數據機或電視 M383877 因此’本案確實較f知之雜訊抑網具有進 ^案所揭示者，乃較佳實細，舉凡 :ΐ=;ΐ:為熟習該項技藝之人所易於推知 紅上所陳’本案無論就目的、手段* 於習知之技術特徵，且其首先卿a實 f在』不其週異 社會，實感德便。―委員聽並祈早日賜予專利，俾嘉惠 【圖式簡單說明】 圖1為一示意圖，其繪示本案一較佳實 方塊示意圖。 、 【主要元件符號說明】 第一連接器10 耦合器30ί 1G 塌 11 11 8G is white for the first fiber connection or RJ_45 connector) or not another - for the -45 connector) configuration. J is the first fiber connection r==r5_. The second straight = bears 5 impurities, the 1J device further has - the printed circuit board 100 with A?^ 20' ^1130' = 40 compares the stolen 50, the switching controller 6 〇, the first component 'know the technology, the St The second between 'the same as the first switch 7G', according to: the first connection (10) is made of the _ signal to the view, its towel electronic switch. The switch 71 is also - in addition, the noise suppressor of the present invention is further disposed on the printed circuit board and located in the light: device 3. And; = and = input - frequency combination _ input = pass filter to enhance its filtering effect. In addition, the noise suppressor of the present invention is further placed on the printed circuit board 100 in summer and is located between the first and second wavers 75', 8' of which can be advanced to the second view ii : Two and the, two connectors < with a pass wave. ^^m#u^t5MHZ-42MHz During operation, if the logarithmic detection and amplifier_to the first connector ι〇 has 6 radio number to upload, the comparator 50 will take the round _ 60 rounds out The high-power only single-unit electric power < 'make the switching controller off 71 early % state control money' so that the first switch 70 and the second open the same open, therefore, the RF signal can be on. __第^_1n=f·' See the line, right, the logarithm of the logarithm is crying 50 will have the RF signal to upload, then the message _, so that the fine _ (10) output low potential control number will be ° I偻J off 7G and the second switch 71 are turned off at the same time. Therefore, the RF signal is the second type of the second type = ======. The noise suppressor of the exchange 1 further has a power input terminal 110; -..., the heart 'unit 120; and a power supply wheel output terminal 130. One end of the electrical hybrid terminal 110 is not connected to an AC power source, such as but not limited to AC 110-240V. That is, the power supply unit 120 is lightly connected to another device such as the power input terminal 110. The turbulent current is converted into the first DC power supply, and then outputted to the voltage regulating terminal (10), the terminal is sent to the sensitive electrical mixing unit 120, and the first DC power supply A is used for other cable data machines. Or TV six-six ^ Bu-type noise suppression 11-step - with housing (10) not shown), with the circuit board (10), power input terminal llG, switching electrical hybrid unit 120 ^ ij end 13 〇 and other components . The housing is for example, but not limited to, made of a plastic material. #^此' The novel noise suppressor can simultaneously block the noise entering the cable and the source for the other distribution n or the tap. , 'VT, above, with the implementation of the novel noise suppressor of the present invention, which has a pair of data detection = large 11 and - electronic switch 'can give and effectively suppress the upload of radio frequency noise into, TV, in addition It can also provide power for other cable modems or TVs M383877. Therefore, 'this case is indeed better than the one that knows the noise of the network. It is better and better, for example: ΐ=;ΐ: It is easy for people who are skilled in the art to infer that the case of the case is not the purpose, the means, the technical characteristics of the knowledge, and the fact that it is not in a different society. ―Members listened and prayed for patents as soon as possible. 俾嘉惠 [Simple description of the drawings] Fig. 1 is a schematic view showing a preferred block diagram of the present invention. [Main component symbol description] First connector 10 Coupler 30
機上盒使用等優點 步性。 施例之雜訊抑制器之Advantages such as the use of the set-top box. Example of noise suppressor
第一濾波器20 第二濾波器35 比較器50 第一開關70 第三濾波器75 電壓調整器90 電源輸入端110 電源輸出端130 第二直流電源BFirst filter 20 second filter 35 comparator 50 first switch 70 third filter 75 voltage regulator 90 power input terminal 110 power output terminal 130 second DC power source B
對數偵測及放大器40 切換控制器60 第二開關71 第二連接器80 印刷電路板1〇〇 交換式電源供應單元120 第一直流電源A 8Logarithmic Detection and Amplifier 40 Switching Controller 60 Second Switch 71 Second Connector 80 Printed Circuit Board 1 交换 Switched Power Supply Unit 120 First DC Power Supply A 8