201215361 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明是有關於一種訊號轉接裝置，特別是有關於一種 轉接於一内視管與至少一顯示裝置間之訊號轉接裝置。 【先前技術】 [0002] 利用微細之内視管與内視鏡自人體外部延伸進入體内， 並利用閃光及影像擷取裝置深入拍攝體内器官之實際影 像為現代醫療中十分重要的診斷檢驗技術，而再觀之工 業或其他用途之内視鏡，因為其具有可自細小之開口而 延伸進入許多難以檢測之封閉空間中的功能而受到廣泛 的利用，而為了能於封閉空間中提高拍攝影像之操作角 度，因此諸如台灣專利號M353352所揭露的”内視鏡擺頭 裝置”及台灣專利號M349755所揭露的”内視鏡四向擺頭 裝置”等等新穎的内視鏡擺頭裝置被利用於傳統之内視 鏡上，進而提高了内視鏡之實用價值。 [0003] 而現有技術中，該類型的内視鏡裝置上必須接設一顯示 幕裝置，方可於該内視鏡進行攝影或拍攝照片之操作時 ，將所擷取之影像即時地呈現給使用者，而如此之作法 必須將顯示幕與内視鏡裝置以一體化之作法成型，造成 製作之成本上提高，而導致產品價格高。此外，若該顯 示幕發生故障時，即使内視鏡本體的結構未受損，仍然 會導致該内視鏡無法使用。且使用者更是無法根據使用 情況替換更高解析度或高彩度的顯示裝置，故可見其於 設計上缺失之處。 [0004] 或著，一般會以内視管活動式外接一顯示幕裝置，方可 099133634 表單編號A0101 第4頁/共14頁 0992058810-0 201215361 於該内視鏡進行攝影或拍攝照片之操作時，將所擷取之 影像即時地呈現給使用者。然而，目前未有一便捷且多 元的外接轉接裝置。因此，以需求來說，設計一理想的 訊號轉接裝置，來轉接於一内視管與至少一顯示裝置， 已成市場應用上之一刻不容缓的議題。 【發明内容】 [0005] 有鑑於上述先前技術之問題，本發明之目的就是在提供 一種訊號轉接裝置，以用於内視管與至少一顯示裝置間 之數位影像訊號轉接。 [0006] 根據本發明之目的，提出一種訊號轉接裝置，係適用於 一内視管與至少一顯示裝置間之影像訊號轉接，内視管 係包含攝像單元及第一訊號轉換單元，攝像單元係用以 拍攝數位影像訊號，第一訊號轉換單元係將數位影像訊 號轉換成類比影像訊號。訊號轉接裝置包含無線傳輸模 組、第一電接口、視訊端子、第二訊號轉換單元以及第 二電接口。無線傳輸模組係無線連結内視管，以接收類 比影像訊號，並無線傳輸模組無線連結第一顯示裝置， 以無線傳送類比影像訊號至第一顯示裝置。第一電接口 係電性連接到第一顯示裝置，並傳送類比影像訊號至第 一顯示裝置。視訊端子係電性連接到第二顯示裝置，並 傳送類比影像訊號至第二顯示裝置。第二訊號轉換單元 係將類比影像訊號轉換成數位影像訊號。第二電接口係 電性連接到第三顯示裝置，並傳送數位影像訊號至第三 顯示裝置。 [0007] 其中，第一顯示裝置係為内視鏡影像接收器，該内視鏡 099133634 表單編號A0101 第5頁/共14頁 0992058810-0 201215361 [0008] [0009] [0010] [0011] [0012] [0013] [0014] 099133634 影像接收器具有顯示螢幕以顯示影像。 其中，第二顯示裝置係為具有類比訊號顯示功能之顯示 裝置。 其中，第三顯示裝置係為具有數位訊號顯示功能之顯示 裝置。 承上所述，本發明之訊號轉接裝置，其可具有一個或多 個下述優點： (1) 本發明之訊號轉接裝置可令内視鏡所攝得之影像以 有線或無線之方式直接傳輸至一外部之内視鏡影像接收 器，該内視鏡影像接收器具有顯示螢幕以顯示影像。 (2) 本發明之訊號轉接裝置可令内視鏡所攝得之影像直接 傳輸至一如電腦、筆記型電腦或電視等電子裝置，以直 接利用該電子裝置之顯示畫面作為即時檢視用之顯示螢 幕。 【實施方式】 以下將參照相關圖式，說明依本發明之訊號轉接裝置之 實施例，為使便於理解，下述實施例中之相同元件係以 相同之符號標示來說明。 請參閱第1圖，其係為本發明之訊號轉接裝置搭配内視管 與顯示裝置之實施例方塊圖。如圖，訊號轉接裝置1包含 無線傳輸模組10、第一電接口 11、視訊端子12、第二訊 號轉換單元13以及第二電接口 14。此訊號轉接裝置，係 適用於内視管21與至少一顯示裝置間之影像訊號轉接， 内視管21係包含攝像單元2 11及第一訊號轉換單元21 2， 表單編號A0101 第6頁/共14頁 0992058810-0 201215361 Ο [0015] 攝像單元211係用以拍攝數位影像訊號，第一訊號轉換單 元212係將數位影像訊號轉換成類比影像訊號。請一併參 閱第2圖，其係為本發明之訊號轉接裝置搭配内視管與無 線内視鏡影像接收器之實施例示意圖。如圖，該訊號轉 接裝置1為一長形殼體。其無線傳輸模組10係無線連結内 視管21，以接收内視管21之第一訊號轉換單元212轉換之 類比影像訊號，並無線傳輸模組10無線連結第一顯示裝 置22，以無線傳送類比影像訊號至第一顯示裝置22。其 中第一顯示裝置22可為一無線内視鏡影像接收器221，並 且該無線内視鏡影像接收器221具有顯示螢幕2211以顯示 影像。 ❹ [0016] 請一併參閱第1及3圖，第3圖係為本發明之訊號轉接裝置 搭配内視管與有線内視鏡影像接收器之實施例示意圖。 如圖，無線傳輸模組1 0係無線連結内視管21，以接收内 視管21之第一訊號轉換單元212轉換之類比影像訊號。而 第一電接口 11係電性連接到第一顯示裝置22，並傳送類 比影像訊號至第一顯示裝置22。其中第一顯示裝置22可 為一有線内視鏡影像接收器222，並且該有線内視鏡影像 接收器222具有顯示螢幕2221以顯示影像。 請一併參閱第1及4圖，第4圖係為本發明之訊號轉接裝置 搭配内視管與第二顯示裝置之實施例示意圖。如圖，無 線傳輸模組10係無線連結内視管21，以接收内視管21之 第一訊號轉換單元212轉換之類比影像訊號。而視訊端子 12(—般可為一複合端子（Composite video connector) ) 電性連接到 第二顯示裝置 23 ， 並傳送類比影像訊號 099133634 表單編號A0101 第7頁/共14頁 0992058810-0 201215361 至第二顯示裝置23。其中第二顯示裝置23係為電視231等 具有類比訊號顯示功能之顯示裝置。 [0017] 請一併參閱第1及5圖，第5圖係為本發明之訊號轉接裝置 搭配内視管與第三顯示裝置之實施例示意圖。如圖，無 線傳輸模組10係無線連結内視管21，以接收内視管21之 第一訊號轉換單元212轉換之類比影像訊號。接著，第二 訊號轉換單元13將類比影像訊號轉換成數位影像訊號。 數位影像訊號可藉由一通用串列匯流排之第二電接口 1 4 電性連接到第三顯示裝置24，以傳送數位影像訊號至第 三顯示裝置24。其中第三顯示裝置24可為電腦241、筆記 型電腦242與平板型顯示器243等具有數位訊號顯示功能 之顯示裝置其中之一。 [0018] 綜上所述，藉由此訊號轉接裝置可令内視鏡所攝得之影 像以有線或無線之方式直接傳輸至至少一外部顯示裝置 以顯示影像。如此，將使内視管内之影像訊號有更便捷 且多元的外接顯示方式。 [0019] 以上所述僅為舉例性，而非為限制性者。任何未脫離本 發明之精神與範疇，而對其進行之等效修改或變更，均 應包含於後附之申請專利範圍中。 【圖式簡單說明】 [0020] 第1圖係為本發明之訊號轉接裝置搭配内視管與顯示裝置 之實施例方塊圖； 第2圖係為本發明之訊號轉接裝置搭配内視管與無線内視 鏡影像接收器之實施例示意圖； 第3圖係為本發明之訊號轉接裝置搭配内視管與有線内視 099133634 表單編號 A0101 第 8 頁/共 14 頁 0992058810-0 201215361 鏡影像接收器之實施例示意圖； 第4圖係為本發明之訊號轉接裝置搭配内視管與第二顯示 裝置之實施例示意圖；以及 第5圖係為本發明之訊號轉接裝置搭配内視管與第三顯示 裝置之實施例示意圖。 【主要元件符號說明】 [0021] Ο 1 :訊號轉接裝置 10 :無線傳輸模組 11 :第一電接口 12 :視訊端子 13 :第二訊號轉換單元 14 :第二電接口 21 :内視管 211 :攝像單元 212 :第一訊號轉換單元 22 :第一顯示裝置 ❹ 221 :無線内視鏡影像接收器 222 :有線内視鏡影像接收器 2211、2221 :顯示螢幕 23 :第二顯示裝置 231 :電視 24 :第三顯示裝置 241 :電腦 2 4 2 :筆記型電腦 243 :平板型顯示器 099133634 表單編號Α0101 第9頁/共14頁 0992058810-0201215361 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a signal switching device, and more particularly to a signal switching device for switching between an inner tube and at least one display device . [Prior Art] [0002] Using a microscopic endoscope and an endoscope to extend into the body from the outside of the body, and using the flash and image capturing device to deeply capture the actual image of the internal organs is a very important diagnostic test in modern medical treatment. Technology, and then the industrial or other endoscopes are widely used because of their ability to extend into small, difficult-to-detect closed spaces from small openings, and to improve shooting in closed spaces. The operating angle of the image, such as the "endoscope mirror device" disclosed in Taiwan Patent No. M353352 and the "inner mirror four-way pendulum device" disclosed in Taiwan Patent No. M349755, and the like, and the novel endoscope swing device It is used on traditional endoscopes, which improves the practical value of endoscopes. [0003] In the prior art, a display screen device must be connected to the endoscope device of the present type, so that the captured image can be instantly presented to the endoscope when the photographing or photographing operation is performed. The user, in this way, must form the display screen and the endoscope device in an integrated manner, resulting in an increase in the cost of production, resulting in high product prices. In addition, if the display screen fails, even if the structure of the inside mirror body is not damaged, the endoscope cannot be used. Moreover, the user is not able to replace the display device with higher resolution or high chroma according to the use condition, so that the design is missing. [0004] Or, the internal view tube is generally connected to a display device, in the case of 099133634 Form No. A0101 Page 4 / 14 pages 0992058810-0 201215361 When the endoscope is used for photographing or taking photos, Instantly present the captured image to the user. However, there is currently no convenient and multi-port external adapter. Therefore, in terms of demand, designing an ideal signal switching device for switching to an inner tube and at least one display device has become an urgent issue in the market. SUMMARY OF THE INVENTION [0005] In view of the above prior art problems, it is an object of the present invention to provide a signal switching device for digital image signal transfer between an endoscope and at least one display device. [0006] According to the purpose of the present invention, a signal switching device is provided, which is suitable for image signal switching between an endoscope and at least one display device. The internal view tube includes an image capturing unit and a first signal conversion unit, and the camera The unit is used to capture digital video signals, and the first signal conversion unit converts digital video signals into analog video signals. The signal switching device comprises a wireless transmission module, a first electrical interface, a video terminal, a second signal conversion unit and a second electrical interface. The wireless transmission module is configured to wirelessly connect the internal view tube to receive the analog video signal, and the wireless transmission module wirelessly connects the first display device to wirelessly transmit the analog video signal to the first display device. The first electrical interface is electrically connected to the first display device and transmits the analog video signal to the first display device. The video terminal is electrically connected to the second display device and transmits the analog video signal to the second display device. The second signal conversion unit converts the analog image signal into a digital image signal. The second electrical interface is electrically connected to the third display device and transmits the digital video signal to the third display device. [0007] wherein, the first display device is an endoscope image receiver, the endoscope 099133634 form number A0101 page 5 / total 14 page 0992058810-0 201215361 [0008] [0009] [0011] [0011] 0012] [0014] 099133634 The image receiver has a display screen to display an image. The second display device is a display device having an analog signal display function. The third display device is a display device having a digital signal display function. As described above, the signal switching device of the present invention may have one or more of the following advantages: (1) The signal switching device of the present invention allows the image captured by the endoscope to be wired or wireless. Directly transmitted to an external endoscope image receiver, the endoscope image receiver has a display screen to display the image. (2) The signal switching device of the present invention can directly transmit the image captured by the endoscope to an electronic device such as a computer, a notebook computer or a television to directly use the display image of the electronic device for instant viewing. Display the screen. [Embodiment] Hereinafter, embodiments of the signal switching device according to the present invention will be described with reference to the related drawings. For the sake of understanding, the same components in the following embodiments are denoted by the same reference numerals. Please refer to FIG. 1 , which is a block diagram of an embodiment of a signal switching device of the present invention with an inner tube and a display device. As shown, the signal switching device 1 includes a wireless transmission module 10, a first electrical interface 11, a video terminal 12, a second signal conversion unit 13, and a second electrical interface 14. The signal switching device is suitable for image signal switching between the endoscope tube 21 and at least one display device. The endoscope tube 21 includes an image capturing unit 2 11 and a first signal converting unit 21 2, Form No. A0101, page 6 / Total 14 pages 0992058810-0 201215361 Ο [0015] The camera unit 211 is used to capture a digital video signal, and the first signal conversion unit 212 converts the digital video signal into an analog video signal. Please refer to FIG. 2, which is a schematic diagram of an embodiment of the signal switching device of the present invention with an inner tube and a wireless endoscope image receiver. As shown, the signal transfer device 1 is an elongated housing. The wireless transmission module 10 is configured to wirelessly connect the internal view tube 21 to receive the analog video signal converted by the first signal conversion unit 212 of the internal view tube 21, and the wireless transmission module 10 wirelessly connects the first display device 22 for wireless transmission. The analog image signal is transmitted to the first display device 22. The first display device 22 can be a wireless endoscope image receiver 221, and the wireless endoscope image receiver 221 has a display screen 2211 for displaying images. ❹ [0016] Please refer to FIGS. 1 and 3 together. FIG. 3 is a schematic diagram of an embodiment of the signal switching device of the present invention with an inner tube and a wired endoscope image receiver. As shown in the figure, the wireless transmission module 10 is configured to wirelessly connect the intra-view tube 21 to receive the analog video signal converted by the first signal conversion unit 212 of the visual tube 21. The first electrical interface 11 is electrically connected to the first display device 22 and transmits an analog video signal to the first display device 22. The first display device 22 can be a wired endoscope image receiver 222, and the wired endoscope image receiver 222 has a display screen 2221 for displaying images. Please refer to FIG. 1 and FIG. 4 together. FIG. 4 is a schematic diagram of an embodiment of the signal switching device of the present invention with an inner tube and a second display device. As shown in the figure, the wireless transmission module 10 is configured to wirelessly connect the internal view tube 21 to receive an analog video signal converted by the first signal conversion unit 212 of the internal view tube 21. The video terminal 12 (usually a composite video connector) is electrically connected to the second display device 23, and transmits analog video signal 099133634, form number A0101, page 7 / 14 pages 0992058810-0 201215361 to the first Two display devices 23. The second display device 23 is a display device having an analog signal display function such as a television 231. [0017] Please refer to FIGS. 1 and 5 together. FIG. 5 is a schematic diagram of an embodiment of the signal switching device of the present invention with an inner tube and a third display device. As shown in the figure, the wireless transmission module 10 is configured to wirelessly connect the internal view tube 21 to receive an analog video signal converted by the first signal conversion unit 212 of the internal view tube 21. Then, the second signal conversion unit 13 converts the analog video signal into a digital video signal. The digital video signal can be electrically connected to the third display device 24 via a second electrical interface 1 4 of a universal serial bus to transmit the digital video signal to the third display device 24. The third display device 24 can be one of a display device having a digital signal display function, such as a computer 241, a notebook computer 242, and a tablet display 243. [0018] In summary, the image switching device can directly transmit the image captured by the endoscope to at least one external display device to display an image in a wired or wireless manner. In this way, the video signal in the inner tube will be more convenient and diverse in external display mode. [0019] The foregoing is illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS [0020] FIG. 1 is a block diagram of an embodiment of a signal switching device of the present invention with an inner tube and a display device; and FIG. 2 is a signal switching device of the present invention with an inner tube FIG. 3 is a schematic diagram of an embodiment of a wireless endoscope image receiver; FIG. 3 is a signal conversion device of the present invention with an inner tube and a wired internal view 099133634 Form No. A0101 Page 8 of 14 0992058810-0 201215361 Mirror image A schematic diagram of an embodiment of a receiver; FIG. 4 is a schematic diagram of an embodiment of a signal switching device of the present invention with an inner tube and a second display device; and FIG. 5 is a signal switching device of the present invention with an inner tube A schematic diagram of an embodiment of a third display device. [Main component symbol description] [0021] Ο 1 : Signal switching device 10 : Wireless transmission module 11 : First electrical interface 12 : Video terminal 13 : Second signal conversion unit 14 : Second electrical interface 21 : Internal view tube 211: camera unit 212: first signal conversion unit 22: first display device 221 221: wireless endoscope image receiver 222: wired endoscope image receiver 2211, 2221: display screen 23: second display device 231: TV 24: Third display device 241: Computer 2 4 2: Notebook computer 243: Flat panel display 099133634 Form number Α 0101 Page 9 / Total 14 page 0992058810-0