200843506 九、發明說明： 【發明所屬之技術領域】 I發明S有關於-種多媒體系統，且特別是於 號轉換裝置及使用其之多媒體系統。 、種訊 【先前技術】 在育訊發達的現代生活中，越來越多的訊息不是絲由 傳，而是透過各式各樣輯體來進行舰。舉例來ς ^目 了達到宣傳的效果，常有租用靜態廣告看板、於電視上播^ 告或租用電視鮮⑽纏行為。魅料靜g廣 ， 新内容上的不便利，即使是在電視牆上播放廇告，、^某此更 下’如電梯内/外的壁掛式電視，也都因為是播放插 的記憶卡中的資料，所以沒辦法即時、有效 ς 動態更新。 ㈣門奋進仃 為了解決這種問題，部分技術人員建議採用 的網際網路來做為動態更新播放内容的資_‘介、=， —般的10Μ/100Μ網路線在沒有中繼傳播系益=， 行遠距離的傳輸（約100公尺左右），而且报法進 線工程；再者，想在一些既成的建築物或者.钟^卜，仃佈 或飛機中新增網路線也是一個大工程。因此，二二’，°$車 施行時常伴隨著龐大的金錢花費、工程時間 議^實際 必然的不便利。這狀況對於社會大眾來說並非好事厅工^日寸所 【發明内容】 有鑑於此，本發明的〆個目的就是在提供—種訊號轉 置，其可以有效相容於舊有建築或運輪系統的架構，以較小' 花費來達成訊息傳遞方式的更新。 5 200843506 本發明的再一目的是提供一種使用訊號轉換裝置之多媒 體系統，此多媒體系統可簡單的在舊有訊息傳輸系統上建立起 • 一個監視機制。 ε 本發明的又一目的是提供一種使用訊號轉換裝置之多媒 體系統，此多媒體系統利用舊有的通訊機制來進行架設，從而 降低更新系統的花費。 為達成上述目的之一，本發明提出一種訊號轉換裝置，其 特徵在於具備第一類型傳輸介面與第二類型傳輸介面，並在適 用於第一類型傳輸介面的第一電子訊號與適用於第二類型傳 輸介面的第二電子訊號之間採用正交分頻多工（〇FDM， Orthogonal Frequency Division Multiplexing)技術進行調變/解 調變。其中，第一類型傳輸介面與攝影裝置、多媒體顯示裝置 或網路電話進行資料交換，而第二類型傳輸介面則使用同軸電 纜、電話線與雙絞線其中之一為傳輸媒介。 為達成上述目的之一，本發明更提出一種使用訊號轉換裝 置之多媒體系統，其包括攝影裝置以及第一/第二訊號轉換裝 置。其中，攝影裝置拍攝影像，並將所拍攝的影像轉化為第一 電子訊號並透過第一類型傳輸介面向外傳輸；第一訊號轉換裝 置接收此弟一電子訊號，並使用正交分頻多工技術以調變此弟 一電子訊號為適用於第二類型傳輸介面之第二電子訊號；第二 訊號轉換裝置則透過第二類型傳輸介面以接收並解調變此第 一電子訊號。再者，第一類型傳輸介面與弟二類型傳輸介面為 不同的傳輸介面。 在本發明的一個實施例中，前述之第一類型傳輸介面使用 RJ-45線為傳輸媒介，而在另一個實施例中，前述的第一類型 傳輸介面使用無線網路傳輸協定，並且此多媒體系統進一步包 6 200843506 括一個無線訊號接收裝置，此無線訊號接收裝置接收前述的第 一電子訊號，並將此第一電子訊號傳送至第一訊號轉換裝置。 在本發明的一個實施例中，前述的第二類型傳輸介面可以 使用同軸電纜、電話線或雙絞線為傳輸媒介。200843506 IX. Description of the invention: [Technical field to which the invention pertains] The invention S relates to a multimedia system, and in particular to a number conversion device and a multimedia system using the same. <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> For example, to achieve the effect of publicity, there are often renting static advertising billboards, broadcasting advertisements on TV or renting TVs (10). The charm is quiet, the new content is not convenient, even if it is playing on the TV wall, ^^This is even lower, such as the wall-mounted TV inside/out of the elevator, it is also because it is playing the inserted memory card. The information, so there is no way to update dynamically and instantly. (4) In order to solve this problem, some technicians recommend using the Internet as a means of dynamically updating the content of the broadcast _', =, and the general 10Μ/100Μ network route without relay transmission. =, long-distance transmission (about 100 meters or so), and the report into the line project; in addition, want to add some network routes in some established buildings or bells, cloth or aircraft is also a big engineering. Therefore, the two-two, °, car implementation is often accompanied by a huge amount of money, engineering time, the actual inevitable inconvenience. This situation is not a good thing for the public. ^Inventory content. In view of this, the purpose of the present invention is to provide a kind of signal transposition, which can be effectively compatible with old buildings or ships. The architecture of the system, with a small 'cost to achieve an update of the message delivery method. 5 200843506 A further object of the present invention is to provide a multimedia system using a signal conversion apparatus that can simply establish a monitoring mechanism on an old messaging system. ε Another object of the present invention is to provide a multimedia system using a signal conversion apparatus that utilizes an old communication mechanism for erection, thereby reducing the cost of updating the system. In order to achieve the above object, the present invention provides a signal conversion apparatus, which is characterized in that it has a first type of transmission interface and a second type of transmission interface, and is applicable to the first type of electronic signal of the first type of transmission interface and to the second type. The second electronic signal of the type transmission interface is modulated/demodulated by using Orthogonal Frequency Division Multiplexing (FDM) technology. Wherein, the first type of transmission interface exchanges data with the photographing device, the multimedia display device or the network telephone, and the second type of transmission interface uses one of the coaxial cable, the telephone line and the twisted pair as the transmission medium. In order to achieve the above object, the present invention further provides a multimedia system using a signal conversion device comprising a photographing device and first/second signal converting means. The camera device captures the image and converts the captured image into a first electronic signal and transmits it to the outside through the first type of transmission medium; the first signal conversion device receives the electronic signal of the brother and uses orthogonal frequency division multiplexing The technique is to modulate the electronic signal to be a second electronic signal suitable for the second type of transmission interface; the second signal conversion device receives and demodulates the first electronic signal through the second type of transmission interface. Furthermore, the first type of transmission interface and the second type of transmission interface are different transmission interfaces. In one embodiment of the invention, the aforementioned first type of transmission interface uses the RJ-45 line as the transmission medium, and in another embodiment, the aforementioned first type of transmission interface uses the wireless network transmission protocol, and the multimedia The system further includes a wireless signal receiving device, wherein the wireless signal receiving device receives the first electronic signal and transmits the first electronic signal to the first signal converting device. In one embodiment of the invention, the aforementioned second type of transmission interface may use a coaxial cable, a telephone line or a twisted pair as the transmission medium.
在本發明的一個實施例中，前述攝影裝置所使用的電力由 第二類型傳輸介面所使用的傳輸媒介來供應。除此之外，此_ 多媒體系統還可以另外包括一個電源轉換器，此電源轉換器將 由第二類型傳輸介面所使用的傳輸媒介上的電力轉換為攝影 裝置所能使用的電力類型。 在本發明的一個實施例中，前述的攝影裝置可為傳統攝影 機，且此多媒體系統進一步包括一個多媒體轉接裝置，其耦接 於攝，裝置與第一訊號轉換裝置之間，藉此將由攝影裝置所發 出之第一電子訊號轉換為第一訊號轉換裝置所能接收之^ 訊號的型態。 本务明另外提出一種使用訊號轉換裝置之多， $媒！系統包括用以提供多媒體資料的—個伺服器； 藉由第-類型傳輸介面接收此多賴 換裝置，且此第一訊鲈鳇垃壯τ 似弟汛唬轉 多媒體資=田 置使交分頻多工技術以調變 類型傳輸介㈣崎顿誠過第二 拖奘罟·丨ν η兩m ^又此私十讯唬的一個第二訊號轉 訊號轉換裝置:周:=1::轉，裝，以減經該第二 ::第-類型傳_第==== 7 200843506 傳輪，因此能夠輕易的將網際網路上的設施與舊 眾運輪系統相結合’節省系統更新時所必須花費 僅，述和其他目的、特徵和優點能更明顯易 下文彳寸舉較佳貫施例，並配合所_式，作詳細說明如下。 【實施方式】 的電^方j 1，其^根據本發明—實施例之訊號轉換裝置 、、電方塊圖。在本實施例中，訊號轉換裝置10包括了第一 輸介面11G、第二類型傳輸介面12G以及調變/解調變模 用F置相類型傳輸介面透過傳輸齡140而得以與外部使 體;ΐΐΐ;，此等外部使用裝置可以例如是攝影裝置、多媒 置或網路電話料端設備。第二_傳輸介面120則 麻L丨Γ某介150以與其他的訊號轉換裝置相電性減。在本 二U ’傳輸媒介15G可以是f話線、同軸魏或者雙絞 :^外，調變/解調變模組13〇在本實施例中是使用正交分 頻多^技術做為調變/解調變電子訊號的基礎。 5照圖2 ’鱗示根據本發明—實_之使用訊號轉換 夕媒體糸統的糸統方塊圖。在本實施例中，多媒體系統 20匕括了兩個訊號轉換裝置2〇〇與21〇、一個網路監控攝影機 221、一台傳統電話機230以及一台兼具傳統電話與網路電話 力月b的、、’罔路電話機240。在本實施例中，網路監控攝影機 ：聶丨的L控影像轉換為電子訊號，並利用傳輸媒介2〇2(如 網路線）將此電子訊號傳輸至訊號轉換裝置200。訊號 ^換二置2〇〇利用正交分頻多工技術將此電子訊號進行調 二二將ϋ周受過後的電子訊號經由分頻器260與傳輸媒介204 8 200843506 (如電話線）傳輸至訊號轉換裝置210。訊號轉換裝置21〇在 經由傳輸媒介204與分頻器270接收經調變過的電子訊號之 後纟解°周受此笔子成號，並將此電子訊號經由傳輸媒介208 、(如RJ=45網路線）而傳送至網路電話24〇或網際網路25〇上 以供顯不或其他使用。如此一來，當網際網路25〇連接一個顯 示裝置，那麼這麵示裝置所呈現的晝面將能夠獲得動離的更 新，對於即時監控或多人溝通聯繫來說，也十分便利。〜 Γ 〜 原本家用的電話機230 (也可能是公司門口所用的 及、鹏電話機240的-般電話功能，也可以分別 ft 線與212而與多媒體系統2G中的其他穿置庄用 傳輸媒介204來傳送語音資料。 、/、 由於多媒體系統20可以利用電話線綱 k，因此多媒體系統2〇可以建立 、 減少重新布置網路線所需的工程耗費售有大樓的笔話系統上， 接下來請參照圖3，豆洛 訊號轉财置之多靜以、、：^根縣㈣另—實施例之使用 媒體系、統30同樣包括了仙系統方塊圖。在本實施例中，多 還有網嶋 轉換裝置_可以同時接收^330。其中，訊號 路監控攝影機所傳來的電 1攝衫機組32〇中的多侧 號轉換裝置_^與f —個實施例類似的，訊 線、同軸電I錢絞線，而‘ 介3⑽可以是電話 機組320之間，以万 〜軺換衣置300與網路監控攝影 採用的傳輸媒介3〇2盘H裝置31 〇與監控系統330之間所 ，除此之外，事是—般的網路線。 出端，那麼從類比二於，右網路監控攝影機上有類比訊號輸 比喊輪㈣上所送出的類比訊號也可以在經 9 200843506 過適當的調變器進行調變之後，利用混波器而加入在傳輸媒介 304中進行傳遞。如此一來，監控系統33〇内部所使用的訊鞔In one embodiment of the invention, the power used by the aforementioned camera device is supplied by a transmission medium used by the second type of transmission interface. In addition to this, the multimedia system may additionally include a power converter that converts the power on the transmission medium used by the second type of transmission interface to the type of power that the camera device can use. In an embodiment of the present invention, the foregoing photographing device may be a conventional camera, and the multimedia system further includes a multimedia switching device coupled between the camera and the first signal conversion device, thereby being used for photography. The first electronic signal emitted by the device is converted into the type of the signal that the first signal conversion device can receive. This service also proposes a lot of use of signal conversion devices, $ media! The system includes a server for providing multimedia data; receiving the multi-displacement device by the first type transmission interface, and the first message is τ τ 汛唬 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体 多媒体Frequency multiplex technology to transfer type transmission (4) Shunton Cheng second second 奘罟 丨 η η two m ^ and this private ten news 唬 a second signal conversion number conversion device: Week: = 1:: turn , installed, to reduce the second:: type-type transmission _ ==== 7 200843506 transmission, so it is easy to combine the facilities on the Internet with the old public transport system 'saving system updates It must be costly, and the other purposes, features, and advantages can be more obvious, and the best examples are as follows, and the details are as follows. [Embodiment] An electric circuit j1, a signal conversion device according to the present invention, and an electric block diagram. In this embodiment, the signal conversion device 10 includes a first transmission interface 11G, a second type transmission interface 12G, and a F-phase modulation type transmission interface for modulation/demodulation transformation through the transmission age 140; Alternatively, such externally used devices may be, for example, a photographic device, a multimedia device, or a network telephony device. The second transmission interface 120 is electrically connected to other signal conversion devices. In the present U U transmission medium 15G can be f line, coaxial Wei or twisted pair: ^, the modulation / demodulation module 13 〇 in this embodiment is to use the orthogonal frequency division multi ^ technology as a tune The basis for changing/demodulating the electronic signal. 5 according to Figure 2' scales according to the present invention - the use of the signal conversion of the _ media system. In this embodiment, the multimedia system 20 includes two signal conversion devices 2 and 21, a network surveillance camera 221, a conventional telephone 230, and a conventional telephone and network telephone. , '罔路电话机240. In this embodiment, the network surveillance camera: Nie's L-control image is converted into an electronic signal, and the electronic signal is transmitted to the signal conversion device 200 by using a transmission medium 2〇2 (such as a network route). The signal is changed to two sets. The electronic signal is adjusted by the orthogonal frequency division multiplexing technology, and the electronic signal after the week is transmitted to the transmission medium 204 8 200843506 (such as a telephone line) via the frequency divider 260 to the transmission medium. The signal conversion device 210. The signal conversion device 21 receives the modulated electronic signal via the transmission medium 204 and the frequency divider 270, and then receives the electronic signal through the transmission medium 208 (eg, RJ=45). The network route is transmitted to the Internet phone 24 or the Internet 25 port for display or other use. In this way, when the Internet is connected to a display device, the face presented by the device will be able to obtain dynamic updates, which is also convenient for instant monitoring or multi-person communication. ~ Γ ~ Original home phone 230 (may also be used in the company's doorway, and the phone function of the phone 240, can also be ft line and 212 and other media in the multimedia system 2G through the media transmission medium 204 The voice data is transmitted. /, Since the multimedia system 20 can utilize the telephone line k, the multimedia system 2 can establish and reduce the engineering cost required to re-arrange the network route on the pen system that is sold in the building, and then refer to the figure. 3, the bean Luo signal to turn the wealth of more than, to: ^ root county (four) another - the use of the media system, the system 30 also includes the fairy system block diagram. In this embodiment, there are more network conversion The device_ can receive ^330 at the same time. Among them, the multi-side number conversion device _^ of the electric 1 camera unit 32 传 transmitted by the signal road monitoring camera is similar to the f embodiment, the signal line, the coaxial electric money Twisted wire, and '3' (10) can be between the telephone set 320, between 10,000 and 轺 衣 置 300 and the network transmission photography used in the transmission medium 3 〇 2 disk H device 31 〇 and the monitoring system 330, in addition to this Outside, things are The general network route. At the outset, then from the analogy, the analog signal sent by the analog signal on the right network surveillance camera (4) can also be modulated by the appropriate modulator in 9 200843506. Thereafter, the mixer is used to transfer in the transmission medium 304. As a result, the monitoring system 33 internally uses the signal.
接收機器也可以直接由傳輸媒介3〇4取得所需的訊號以進^ 後續的顯示或監控操作。 T 由於多媒體系統3〇可以建立在電話線、同軸電纜或雙绞 線上，因此對於舊大樓來說，整個監控系統的更新將會更為簡 便。 類似的一個例子請參見圖4，其繪示根據本發明另一實施 〇 例之使用訊號轉換裝置之多媒體系統的系統方塊圖。在本實施 例中，多媒體系統40所使用的網路監控攝影機組41〇是採用 無線網路傳輸協定來傳遞電子訊號，因此必須新增一個無線訊 唬接收裝置430以將電子訊號轉傳至訊號轉換裝置4〇〇。卷 然，如熟習此技術領域者所知，無線訊號接收裝置43Q也可二 内建於訊號轉換裝置400之中。 另一個類似的例子請參見圖5，其繪示根據本發明另一實 知例之使用訊號轉換裝置之多媒體系統的系統方塊圖。與前幾 個實施例不同的，在多媒體系統5 0之中所採用的攝影裝置是 ,，式的攝影機組520。攝影機組52〇中的傳統攝影機所提供的 疋類比訊號而非數位訊號。對此，為了使訊號轉換裝置5〇〇能 有效的接收到攝影機組52G所提供的影像訊號，在攝影機组 似與訊號轉換裝置之間還新增了一個多媒體轉接裝置 540。此多媒體轉接裝置獨可以是一個影音飼服器，亦即類 =於裝有電視卡及網路卡的電腦—般，其可以通過傳輸媒介 、，（如電纟見線）接收從攝影機組520傳來的類比電子訊號， 亚將所接受的類比電子訊號進行轉換，透過傳輸媒介5〇4 (如 網路線）傳輸至訊號轉換裝置5〇〇。同樣的，由訊號轉換裝置 200843506 500所調變得到的電子訊號也將經由傳輸媒介5〇6而傳送至另 一訊號轉換裝置51〇,並在經過解調變之後被經由傳輸媒介 508而傳送至後端系統530。 藉由上述的硬體設置，舊式的硬體設備也可以與前述的訊 號轉換裝置結合而產生—個現代化的多媒體系統，如此一來無 疑的將可以延長老舊設備的使用壽命，進而減少無謂的資源浪 費。 、The receiver can also obtain the desired signal directly from the transmission medium 3〇4 for subsequent display or monitoring operations. Since the multimedia system can be built on a telephone line, coaxial cable or twisted pair, the update of the entire monitoring system will be more convenient for the old building. For a similar example, please refer to FIG. 4, which is a system block diagram of a multimedia system using a signal conversion apparatus according to another embodiment of the present invention. In this embodiment, the network surveillance camera unit 41 used by the multimedia system 40 transmits the electronic signal by using a wireless network transmission protocol, so a wireless communication receiving device 430 must be added to transmit the electronic signal to the signal. The conversion device 4〇〇. As is known to those skilled in the art, the wireless signal receiving device 43Q can also be built into the signal conversion device 400. Another similar example, please refer to FIG. 5, which illustrates a system block diagram of a multimedia system using a signal conversion device in accordance with another embodiment of the present invention. Unlike the previous embodiments, the photographic apparatus employed in the multimedia system 50 is a photographic unit 520. The analog camera provided by the conventional camera in the camera unit 52 is not a digital signal. In this regard, in order to enable the signal conversion device 5 to effectively receive the image signal provided by the camera unit 52G, a multimedia switching device 540 is newly added between the camera unit and the signal conversion device. The multimedia transfer device can be an audio-visual feeder, that is, a computer with a TV card and a network card, which can receive the slave camera through a transmission medium, such as an electric cable. The analog electronic signal transmitted by the 520, the analog electronic signal received by the Asians is converted, and transmitted to the signal conversion device 5 through the transmission medium 5〇4 (such as the network route). Similarly, the electronic signal modulated by the signal conversion device 200843506 500 will also be transmitted to the other signal conversion device 51 via the transmission medium 5〇6, and transmitted to the transmission medium 508 after being demodulated. Backend system 530. With the hardware arrangement described above, the old hardware device can also be combined with the aforementioned signal conversion device to generate a modern multimedia system, which will undoubtedly prolong the service life of the old equipment, thereby reducing unnecessary use. Waste of resources. ,
> ^接下來請參照圖6,其繪示根據本發明另一實施例之使用 訊號轉換裝置之多媒體系統的系統方塊圖。在多媒體系統⑼ 中包括了一個伺服器600、兩個訊號轉換裝置61〇盥62〇、電 = 褒置640、電腦650以及多媒體顯示裝置660。 600儲存了—些多舰請，並透過傳輸媒介616 (通 路線)將多媒體資料提供給訊號繼置61〇。 二H i _或雙絞料）將調變後所得的電子 ===，裝置620。多媒體顯示裝置66〇則透過傳 輸媒；I 014 ( 一般多為新設的網路線 620解調後的電子訊號。_線）⑼不由訊號轉換裝置 在本實施例的其他方面，電話機咖可以 與多媒《、統6。㈣的其他裝置*> ^ Next, please refer to FIG. 6, which is a system block diagram of a multimedia system using a signal conversion device according to another embodiment of the present invention. In the multimedia system (9), a server 600, two signal conversion devices 61, 62, an electric device 640, a computer 650, and a multimedia display device 660 are included. 600 stores a number of ships, and provides multimedia information to the signal relay 61 via transmission medium 616 (through the route). The second H i _ or twisted material) will be modulated after the electrons ===, device 620. The multimedia display device 66 transmits the transmission medium; I 014 (generally the electronic signal demodulated by the newly-created network route 620. _ line) (9) is not affected by the signal conversion device in other aspects of the embodiment, the telephone espresso can be combined with the multimedia ", unified 6. (4) Other devices*
置640與電腦650則可以葬由 ^』跺” 612，攝A 傳送至伺服器_或其他統中Μ施例之方式’將資料 為了能夠提供良好的網路服務 纖網路上，而為了能與光纖網路相溝通，:咖 應於與伺服器000之間的β唬轉換衣置610對 的傳輸，|面必須要能夠與光纖相連 200843506 接。換言之，訊號轉換裝置610中應有能夠處理光纖介面的硬 體，或者此能夠處理光纖介面的硬體必須耦接在訊號轉換裝置 610與傳輸媒介616 (在此處為光纖）之間以進行訊號/介面轉 換的工作。Set 640 and computer 650 can be buried by ^ 跺 跺 612, take A to the server _ or other way of implementing the 'in order to provide good network services on the network, and in order to The optical fiber network communicates: the coffee should be transferred to the 610 pair of the β唬 conversion between the server and the 000, and the surface must be connected to the optical fiber 200843506. In other words, the signal conversion device 610 should be capable of processing the optical fiber. The hardware of the interface, or the hardware capable of handling the optical interface, must be coupled between the signal conversion device 610 and the transmission medium 616 (here, the optical fiber) for signal/interface conversion.
本發明的另一應用面可見於圖7。圖7繪示根據本發明另 一 ^施例之使用訊號轉換裝置之多媒體系統的系統方塊"圖。在 本實施例中，多媒體系統70包括了多個多媒體模組71〇、72〇、 730、740與750，該些多媒體模組之間使用傳輪媒介7〇2 (可 包括且不限於電話線、同軸電纜或雙絞線）進行訊號傳輸。每 一個多媒體模組的操作模式與先前實施例中的類似，在此不多 加贅述。值#注意的是，由於目前舊式火車上已有基礎的電:二 線架設於其中，所以若在火車上架設這樣的系統，再進一步搭 配如圖6所示的伺服器6〇〇,則火車上所能提供的多媒體二▲ 將能輕易的得到進-步的加強，例如可以在各處經過的地方^ 時提供相對應的簡介科，對於旅客㈣將是十分貼心的服 務。此外，類似的架構也能架設於目前常見的電梯中。由於雨 梯中-般都會有緊急電話，所以藉由共用緊急電話所使用^ 話線，多媒體系統7〇就可以讓電梯中原本_成不變的廣告勞 幕成為變化多端的多媒體娛樂終端。 為了使前述的各實施例能更廣泛的運用到各地，在不容 架設電，線的地方可以直接使用傳輸媒介上的電力。請參考圖 8,其繪祿據本發明一實施例之使用訊號轉換裝置“ 糸統=糸統方塊圖。在本實施例中，多媒體系統⑽利 轉換器830將電力提供至輕接於訊號轉換裝置800與810之問 /的傳輸，介802上，而該等電力在經過另一電源轉換器8 2 後’就能夠轉換成攝影裝置84G所能使用的電力，並透過傳輸 12 200843506 提供給攝影錢請使用。當‘然，如果傳輸媒介纽 =本就能提供電力的線材，例如目前所❹的電話線原本就 V有電力，那麼就不需要使用電源轉換器83〇來提供電力。 .综上所述，本發明可以有效的減少多媒體系統（包括監視 糸統）於架設時所需要花費的工程時間及金錢，而且可以^用 於老舊的系統更新上，讓舊裝置也能跟得上時代，提供更好的 服務，減少因為丟棄舊裝置而造成的資源浪費。 、Another application of the invention can be seen in Figure 7. Figure 7 is a block diagram of a system of a multimedia system using a signal conversion apparatus according to another embodiment of the present invention. In this embodiment, the multimedia system 70 includes a plurality of multimedia modules 71〇, 72〇, 730, 740, and 750, and the transmission medium 7〇2 is used between the multimedia modules (which may include, but is not limited to, a telephone line) , coaxial cable or twisted pair) for signal transmission. The operation mode of each multimedia module is similar to that in the previous embodiment, and will not be described here. Value # Note that since there is already basic electricity on the old train: the second line is installed in it, so if such a system is set up on the train, and further with the servo 6〇〇 shown in Figure 6, the train The multimedia ▲ that can be provided on the above will be easily enhanced by further steps. For example, the corresponding profile section can be provided at the place where it passes through, and it will be very intimate for the passengers (4). In addition, a similar architecture can be installed in the elevators that are currently common. Since there are emergency calls in the rain ladder, the multimedia system 7 can make the original advertisements in the elevator become a multi-media entertainment terminal by sharing the emergency telephone. In order to enable the foregoing embodiments to be more widely used in various places, the power on the transmission medium can be directly used where no electricity or line is installed. Please refer to FIG. 8 , which illustrates the use of a signal conversion apparatus according to an embodiment of the present invention. In this embodiment, the multimedia system (10) is provided with a converter 830 to provide power to the signal conversion. The transmission of the devices 800 and 810 is performed on the medium 802, and the power can be converted into the power that can be used by the camera 84G after passing through the other power converter 8 2, and is supplied to the camera through the transmission 12 200843506. Please use the money. When 'well, if the transmission medium ** = the wire that can provide electricity, for example, the current telephone line originally has V power, then there is no need to use the power converter 83 提供 to provide power. As described above, the present invention can effectively reduce the engineering time and money required for the multimedia system (including the surveillance system) during the erection, and can be used for the old system update, so that the old device can keep up with the above. Times, providing better services and reducing the waste of resources caused by the disposal of old devices.
雖然本發明已以較佳實施例揭露如上，然其並非用以限定 本發明，任何熟習此技藝者，在不脫離本發明之精神和範^ 内’當可作些許之更動與潤飾，因此本發明之保護範圍當視後 附之申請專利範圍所界定者為準。 【圖式簡單說明】 圖1繪示根據本發明一實施例之訊號轉換裝置的電路方塊圖。 圖2繪示根據本發明一實施例之使用訊號轉換裝置之多 媒體系統的系統方塊圖。 圖3繪示根據本發明另一實施例之使用訊號轉換裝置之 多媒體系統的系統方塊圖。 圖4繪示根據本發明另一實施例之使用訊號轉換裂置之 多媒體系統的系統方塊圖。 圖5繪示根據本發明另一實施例之使用訊號轉換裝置之 多媒體系統的系統方塊圖。 圖6繪示根據本發明另一實施例之使用訊號轉換裝置之 多媒體系統的系統方塊圖。 圖7緣示根據本發明另一實施例之使用訊號轉換裝置之 多媒體系統的系統方塊圖。 200843506 圖8繪示根據本發明一實施例之使用訊號轉換裝置之多 媒體系統的系統方塊圖。 【主要元件符號說明】 10、200、210、300、310、400、500、510、610、620、800、 810 :訊號轉換裝置 20、30、40、50、60、70、80 :多媒體系統 110 :第一類型傳輸介面 120 :第二類型傳輸介面 130 :調變/解調變模組 140、150、202、204、208、302、304、306、502、504、506、 508、612、614、616、702、802、804 :傳輸媒介 206、212 :電話線 220 :網路監控攝影機 230 :傳統電話機 240 :網路電話機 250 :網際網路 260 ' 270、670 :分頻器 320、410 :網路監控攝影機組 33〇 :監控系統 430 :無線訊號接收裝置 520 :攝影機組 530 :後端系統 540 :多媒體轉接裝置 600 :伺服器 630 :電話機 14 200843506 640、840 :攝影裝置 650 :電腦 660 :多媒體顯示裝置 710、720、730、740、750 :多媒體模組 820、830 :電源轉換器 15While the invention has been described above in terms of the preferred embodiments, the invention is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit block diagram of a signal conversion apparatus according to an embodiment of the invention. 2 is a system block diagram of a multimedia system using a signal conversion device in accordance with an embodiment of the present invention. 3 is a system block diagram of a multimedia system using a signal conversion device in accordance with another embodiment of the present invention. 4 is a block diagram of a system for using a signal conversion split multimedia system in accordance with another embodiment of the present invention. FIG. 5 is a system block diagram of a multimedia system using a signal conversion apparatus according to another embodiment of the present invention. 6 is a system block diagram of a multimedia system using a signal conversion device according to another embodiment of the present invention. Figure 7 is a block diagram showing the system of a multimedia system using a signal conversion apparatus according to another embodiment of the present invention. 200843506 FIG. 8 is a block diagram of a system of a multimedia system using a signal conversion device in accordance with an embodiment of the present invention. [Description of Main Component Symbols] 10, 200, 210, 300, 310, 400, 500, 510, 610, 620, 800, 810: signal conversion devices 20, 30, 40, 50, 60, 70, 80: multimedia system 110 The first type of transmission interface 120: the second type of transmission interface 130: the modulation/demodulation module 140, 150, 202, 204, 208, 302, 304, 306, 502, 504, 506, 508, 612, 614 , 616, 702, 802, 804: transmission medium 206, 212: telephone line 220: network surveillance camera 230: conventional telephone 240: VoIP telephone 250: Internet 260 '270, 670: frequency divider 320, 410: Network surveillance camera unit 33〇: monitoring system 430: wireless signal receiving device 520: camera unit 530: back end system 540: multimedia switching device 600: server 630: telephone 14 200843506 640, 840: camera device 650: computer 660 : multimedia display device 710, 720, 730, 740, 750: multimedia module 820, 830: power converter 15