TWM333733U - Digital conversion device for multiple-satellite receiver - Google Patents

Digital conversion device for multiple-satellite receiver Download PDF

Info

Publication number
TWM333733U
TWM333733U TW96220060U TW96220060U TWM333733U TW M333733 U TWM333733 U TW M333733U TW 96220060 U TW96220060 U TW 96220060U TW 96220060 U TW96220060 U TW 96220060U TW M333733 U TWM333733 U TW M333733U
Authority
TW
Taiwan
Prior art keywords
satellite
group
switch circuit
transmission
electrically connected
Prior art date
Application number
TW96220060U
Other languages
Chinese (zh)
Inventor
jie-pin Zhang
Original Assignee
Prime Electronics And Satellitics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Prime Electronics And Satellitics Inc filed Critical Prime Electronics And Satellitics Inc
Priority to TW96220060U priority Critical patent/TWM333733U/en
Publication of TWM333733U publication Critical patent/TWM333733U/en

Links

Landscapes

  • Radio Relay Systems (AREA)

Description

M333733 八、新型說明: 【新型所屬之技術領域】 本創作係衛星接收系統有關,特別是指一種用於多重 衛星接收器之數位轉換裝置。 5【先前技術】 在衛星數位電視日漸普及的情況下,系統業者可提供 的頻道選擇性已由使用單一衛星傳輸提升為多衛星的系統 以滿足接收用戶,因此接收用戶在作多衛星的接收時了除 了額外增加的衛星天線及接收器外,往往依所提供傳輸二 10衛星多寡而配置多條的訊號線進入屋内,再由各個接收用 戶室内的數位機上盒所接收,而為了改善因多條訊號線的 配置%工所需花費大量的工時及使用的電纟覽線數量,系統 業者則於戶外的衛星接收器與各用戶的數位機上盒之間提 供有中繼的訊號選擇器,目的為使接收用戶僅需配置單一 15的電纜線即可接收多衛星系統的數位電視。 以第一圖所示之數位電視接收系統i為例,當各衛星 接收裝置10中衛星天線u所接收的衛星訊號經接收器 降頻處理後,先於室外連接至一數位衛星設備控制器 (Digital Satellite Equipment Contro卜 DiSEqC) 20 之各輸 20入端201,再於單一輸出端202以電纜線接至室内用戶的數 位機上盒30,因此用戶藉由操控數位機上盒3〇即可在屋内 選擇接收各個衛星天線1〇的訊號,第二圖所示該控制器2〇 之功能方塊圖即為其訊號選擇功能,當用戶端透過數位機 上盒30送出選取之衛星頻道的指令進入控制器2〇之輸出 4 M333733 端202後,其内部一微控制晶片21即將偵測電路22所偵 測的頻道選取指令經解碼處理,並於對應之特定開關節點 21a、21b、21c、21d送出控制信號至選擇開關電路23,選 擇開關電路23再觸發對應之輸入端201電性導通至輪出端 5 202,因此將選取衛星頻道所對應之接收器12切換導通至 數位機上盒30。 上述數位電視接收系統1縱使可供接收用戶具有多個 衛星的訊號頻道選擇,然所需配置的衛星天線10數量需佔 用很大的空間範圍,且以目前衛星通訊的普及程度以及衛 10星軌道上壅塞的狀況,相鄰衛星之間距為2至3度不等的 經度,當單一系統業者擁有的衛星為如此的相鄰間隔,一 般需要使用如第三圖所示之雙衛星接收裝置4〇,於衛星天 線41上架設一雙衛星降頻接收器42,使接收器42之二接 收號角421、422能於同一碟型衛星天線41上的天線聚焦 B範圍内將相鄰兩個衛星之衛星訊號SA、SB分別完全接收二 然,如此普及的雙衛星系統亦僅能提供兩個衛星訊號 的頻道選擇,若欲再增加其餘衛星天線以如上述數位電視 接收系統1般提供接收用戶更多的衛星頻段選擇,卻受限 於控制器2 0本身之功能結構而無法應用接設於雙衛星接收 2〇器;其原因在於,控制器2〇中微控制晶片2ι之各開關 點20a、20b、20c、20d係分別對應於可供接收之 屬的頻段而啟動其觸發功能,進而將各衛星所對 單-輸入端201與輸出端202觸發導通,然上述^ 收器為以單-輸岐帶杨種衛星頻段的雙衛星訊號 5 M333733 SA、SB,即使接收用戶裝設上述控制器2〇則僅能接設於 其中一輸入端201,使微控制晶片21只能以對應之單一開 關節點(如開關節點20a)觸發導通,亦即雙衛星降頻器所 處理的雙術星訊號SA、SB中僅有其中一個衛星訊號(如 5衛星訊號SA)所對應之頻段可供接收用戶選取接收,另一 衛星sfl號(如衛星訊號SB)所對應之頻段則因另一開關節 點(如開關節點20b)沒有可對應觸發導通之輸入端2〇1 而無法供接收用戶對應選取接收,如此整個接收系統對接 收用戶而吕,反而減少了一個衛星的頻道接收。 10 【新型内容】 W因此,本創作之主要目的乃在於提供一種多重衛星接 收器之數位轉換裝置’使接收用戶可以較少的衛星訊號接 收設備具有多衛星訊號的頻道選擇功能。 為達成如揭目的,本創作所提供之一種衛星接收系 統,係以一數位轉換裝置接設有多數個衛星接收裝置及二 數=機上盒,該數位轉換裝置具有一傳輸端組及多數個連 f端組’該些連接端組中具有至少—多衛星連接端組電性 20 if於一多衛星接收器,該多衛星接收器用以接收來自數 個相鄰衛星之不同衛星訊號,經降頻處理成不同頻段的中 频訊號,該數位轉換裝置用以將多衛星接收器所輸出之中 頰訊號經由該多衛星連接端組傳輸至該傳輸端組,不但供 用1蠕有多個衛星頻道的接收選擇,使一衛星接收用戶藉 由操控室輯設置之數位機上盒即可選擇接收各衛星接^ 6 M333733 =置所傳:切生喊,且可設置多衛星接收紐衛星天 線上以接蚊㈣纽號,因此節省整_星接收系統之 会匕 月b f體空間,同時使接㈣戶所縣各衛星之頻段訊號皆 有效輸出至該數位機上盒。 【實施方式】 以下’兹配合若干圖式列舉一較佳實施例,用以對本 創作之組成構件及功效作進一步說明,其中所用各圖式之 簡要說明如下: 1〇帛三®係本創作最佳實闕所提供魅接《統之雙 衛星接收裝置; f四圖係上述最佳實施例所提供之裝置示意圖; 第五圖係上述最佳實施例所提供數位轉換裝置之電路 示意圖。 15 $ H咕參f第四圖所示,為本創作最較佳實施例所提供一 =生接收系統2,係以—數位轉換裝置5()接設有多數個衛 =收裝置1G、4G及-數位機上盒6G,使—衛星接收用戶 f操控至内所设置之該數位機上盒⑼即可選擇接收各衛 20生接收裝置10、40所傳送之衛星訊號,該些衛星接收裝置 =、40即為如上述具有設於衛星天線11、41之單衛星接收 、益12及多衛星接收器42,該數位轉換裝置5〇 |具有訊號 4擇開關功能之數位衛星設備控制器,係有可供外接之一 傳輸端組501接設該數位機上盒6〇,以及可供外接之多數 7 M333733 之接ΐϊ =〇422、ΐ〇3分別接設各該衛星接收裝置10、40 Μ 1〇 42 ’该些連接端組502、503中鱼 二12電性連接者為單衛星連接 , 42電性連接者為多衛星連接端組5〇3,請參閱夕第=收/ 該數位轉換裝置5 ^^五圖所不, ^ ^ 円邛包路包括有一控制器51、一偵測 電路52及-選擇開關電路53,其巾: 、 夕该控制器51具有一指令端組51卜-時序端組512及 513 ’ _令端組511與時序端組512電性 =接該偵測電路52及傳輸端組501,該指令端組5ιι用以 接收該?輸端組5()1所送出内含特定選取頻率之指令訊 二“ f鸲組512可形成特定之時脈訊號以控制該控制 器51之日$序運作’將該指令訊號所内含之特定選取頻率經 解碼處理後於特定之該切換端組犯送出觸發訊號。 15 山該偵測電路52電性連接該傳輸端組501 ,係偵測該傳 輸端組501之指令訊號所夾帶之特定時脈頻率,再於該控 制器51之時序端組512形成該控制器51啟動運作所需之 時脈訊號。 該選擇開關電路53具有多數個開關電路531、532,區 分為電性連接單衛星連接端組502之單衛星傳輸開關電路 2〇 531以及電性連接多衛星連接端組5〇3之多衛星傳輸開關 電路532,各該單衛星傳輸開關電路531之輸入端電性連接 該控制器51之其中一切換端組513,該多衛星傳輸開關電 路532之輸入端係以多個開關元件532a電性連接該控制器 51之多個切換端組513,各該開關電路53卜532之輸出端 8 M333733 電性連接該傳輸端組5G卜當該控制器51之其中一切換端 組513送出觸發訊號至該單衛星傳輸開關電路別即觸發 對應連接之δ亥單衛生連接端組502與該傳輸端組5⑴電性 輯’當其中一該切換端組513送出觸發訊號至該多衛星 5 =開關電路532即觸發導通所對應之該開關元件並使該 多衛星連接端組503與該傳輸端組5〇1電性導通。 • 、因此縱使該控制11 51需於多個該城端組513分別對 應感應該多衛星接收裝置4〇之接收器42所處理之各衛星 訊號,然該多衛星傳輸開關電路532可使單一該多衛星連 10接端組503職由多個該切換端、组513皆可觸發導通至該 傳輪端組5(Η,使該多衛星接收器42所處理之各衛星訊g 皆可經由單-該多衛星連接端組5G3傳輸至數位機上^ 6〇 〇 1 綜合上述可知,本創作所提供該衛星接收系統2不但 鲁5 I同時接收多個衛星所傳送之衛星訊號,供用戶端有多個 衛星頻道的接收選擇’且可設置多衛星接收裝置4〇以節省 整個衛星接收系統之硬體空間,使接收用戶所選取各衛星 之頻段訊號皆能有效輸出至該數位機上盒60。 唯,以上所述者’僅為本創狀難可行實施例而已, =舉凡應財創作朗書及巾請專利範騎為之等效結構 變化,理應包含在本創作之專利範圍内。 9 M333733 【圖式簡單說明】 第一圖係習用數位電視接收系統之裝置示意圖; 第二圖係上述習用數位電視接收系統之數位衛星設備 控制器之電路功能示意圖; 第三圖係本創作最佳實施例所提供衛星接收系統之雙 衛星接收裝置; 第四圖係上述最佳實施例所提供之裝置示意圖; 一第五圖係上述最佳實施例所提供數位轉換裝置之電路 示意圖。 【主要元件符號說明】 Π、41衛星天線 42多衛星接收器 501傳輸端組 503多衛星連接端組 511指令端組 513切換端組 53選擇開關電路 2衛星接收系統 10、40衛星接收裝置 12單衛星接收器 50數位轉換裝置 502單衛星連接端組 51控制器 512時序端組 52偵測電路 531單衛星傳輸開關電路532多衛星傳輸開關電路 532a開關元件 60數位機上盒M333733 VIII. New description: [New technical field] This creation is related to the satellite receiving system, especially a digital conversion device for multiple satellite receivers. 5 [Prior Art] With the increasing popularity of satellite digital TV, the channel selectivity that system operators can provide has been upgraded to a multi-satellite system using a single satellite transmission to meet the receiving users, so the receiving user is receiving multiple satellites. In addition to the additional satellite antennas and receivers, it is often configured to transmit multiple signal lines into the house according to the number of transmissions provided by the two or more satellites, and then received by the digital set-top boxes in each receiving user's room, in order to improve the number of The configuration of the signal line requires a large amount of man-hours and the number of power lines used, and the system operator provides a relay signal selector between the outdoor satellite receiver and the digital set-top box of each user. The purpose is to enable the receiving user to receive the digital TV of the multi-satellite system by only arranging a single 15 cable. Taking the digital television receiving system i shown in the first figure as an example, when the satellite signal received by the satellite antenna u in each satellite receiving device 10 is down-converted by the receiver, it is connected to a digital satellite device controller before the outdoor ( The digital satellite equipment Controb DiSEqC) 20 is connected to the input terminal 201, and then connected to the indoor user's digital upper box 30 by a cable at a single output terminal 202, so that the user can control the digital box on the digital box. The house chooses to receive the signal of each satellite antenna. The function block diagram of the controller 2 shown in the second figure is its signal selection function. When the user sends the selected satellite channel command through the digital box 30, the control enters the control. After the output of the M 2733 terminal 202, the internal micro-control chip 21 decodes the channel selection command detected by the detection circuit 22, and sends the control to the corresponding specific switch node 21a, 21b, 21c, 21d. The signal is sent to the selection switch circuit 23, and the selection switch circuit 23 is used to re-trigger the corresponding input terminal 201 to be electrically connected to the wheel-out terminal 5 202, so that the receiver 12 corresponding to the selected satellite channel is switched. It is turned on to the digital set-top box 30. The above-mentioned digital television receiving system 1 allows the receiving user to have a plurality of satellite signal channel selections, but the number of satellite antennas 10 to be configured needs to occupy a large space range, and the current popularity of satellite communication and the Wei 10 star orbit In the case of upper congestion, the longitude between adjacent satellites is 2 to 3 degrees. When the satellites owned by a single system operator are such adjacent intervals, it is generally necessary to use a dual satellite receiving device as shown in the third figure. A dual satellite down-converter 42 is mounted on the satellite antenna 41 to enable the receiver 42 bis to receive the horns 421, 422 to align the satellites of two adjacent satellites within the antenna focus B range on the same satellite dish 41. The signals SA and SB are completely received separately. The popular dual satellite system can only provide channel selection for two satellite signals. If you want to add more satellite antennas, you can provide more users than the digital TV receiving system. The satellite frequency band selection is limited by the functional structure of the controller 20 itself and cannot be applied to the dual satellite receiving 2 ; device; the reason is that the controller 2 〇 Each of the switch points 20a, 20b, 20c, and 20d of the micro control chip 2i respectively activates a trigger function corresponding to the frequency band of the available receiver, and then triggers the single-input terminal 201 and the output end 202 of each satellite to be turned on. However, the above-mentioned receiver is a double-satellite signal 5 M333733 SA, SB with a single-transmission band of the Yang-species satellite frequency band, and even if the receiving user installs the above-mentioned controller 2, it can only be connected to one of the input terminals 201, so that The control chip 21 can only be turned on by a corresponding single switch node (such as the switch node 20a), that is, only one of the dual satellite signals SA and SB processed by the dual satellite downconverter (such as the 5 satellite signal SA) The corresponding frequency band is available for receiving and receiving by the receiving user, and the frequency band corresponding to another satellite sfl number (such as satellite signal SB) is not enabled by the other switching node (such as switch node 20b). However, it is not possible for the receiving user to select and receive, so that the entire receiving system receives the user, but reduces the channel reception of one satellite. 10 [New content] W Therefore, the main purpose of this creation is to provide a digital conversion device for multiple satellite receivers, which enables a satellite signal receiving device with fewer satellite signals to receive channels. In order to achieve the goal, a satellite receiving system provided by the present invention is provided with a plurality of satellite receiving devices and a binary number=set-top box by a digital conversion device, the digital converting device having a transmitting end group and a plurality of The f-terminal group has at least one of a plurality of satellite connection groups in a plurality of satellite receivers for receiving different satellite signals from a plurality of adjacent satellites. The frequency is processed into an intermediate frequency signal of different frequency bands, and the digital conversion device is configured to transmit the buccal signal outputted by the multi-satellite receiver to the transmission end group via the multi-satellite connection group, not only for the use of a plurality of satellite channels Receiving selection, so that a satellite receiving user can select to receive each satellite by means of the digital set-top box set by the control room. 6 M333733 = Set the pass: Cut the shout, and set the multi-satellite receiving satellite antenna to connect Mosquito (4) New Zealand number, thus saving the whole _ star receiving system will be the monthly bf body space, and at the same time, the frequency signal of each satellite in the county (4) households will be effectively output to the digital machine box. [Embodiment] The following is a brief description of a preferred embodiment for further explaining the components and functions of the present invention. The brief descriptions of the various drawings used are as follows: The schematic diagram of the device provided by the best embodiment of the present invention is provided by Jiashiyu; the fifth diagram is a schematic diagram of the circuit of the digital conversion device provided by the above preferred embodiment. 15 $ H咕参 f shown in the fourth figure, for the most preferred embodiment of the creation of a = raw receiving system 2, with a digital conversion device 5 () connected with a number of health = receiving devices 1G, 4G And the digital on-board box 6G enables the satellite receiving user f to control the digital set-top box (9) set therein to receive the satellite signals transmitted by the respective receivers 10 and 40, and the satellite receiving devices =, 40 is a single satellite receiving, benefit 12 and multi-satellite receiver 42 provided in the satellite antennas 11, 41 as described above, the digital conversion device 5 〇 | digital satellite device controller with signal 4 selection switching function, There is an external transmission end group 501 connected to the digital machine upper box 6〇, and a plurality of externally connected 7 M333733 interfaces 〇 〇 422, ΐ〇 3 respectively connected to the satellite receiving devices 10, 40 Μ 1〇42 'The connection groups 502, 503 in the fish 2 12 electrical connection is a single satellite connection, 42 electrical connection is a multi-satellite connection group 5 〇 3, please refer to the evening = receive / the digital conversion The device 5 ^ ^ five maps do not, ^ ^ 円邛 Bao Road includes a controller 51, a detection circuit 52 and - Selecting the switch circuit 53, the wiper: the controller 51 has a command end group 51 - the timing end group 512 and 513 ' _ the end group 511 and the timing end group 512 electrical = connected to the detection circuit 52 and transmission The end group 501, the command end group 5 ιι is used to receive the command group 5 () 1 sent a specific selected frequency of the command message 2 "f 鸲 group 512 can form a specific clock signal to control the controller 51 On the day of the operation, the specific selection frequency included in the command signal is decoded and sent to the trigger signal at the specific switching end group. 15 The detection circuit 52 is electrically connected to the transmission end group 501. The specific clock frequency entrained by the command signal of the transmission end group 501 is detected, and the timing signal group 512 of the controller 51 forms a clock signal required for the controller 51 to start operation. The selection switch circuit 53 has a majority. The switch circuits 531 and 532 are respectively divided into a single satellite transmission switch circuit 2 531 electrically connected to the single satellite connection end group 502 and a plurality of satellite transmission switch circuits 532 electrically connected to the multi-satellite connection end group 5〇3. The input end of the satellite transmission switch circuit 531 is electrically An input end of the multi-satellite transmission switch circuit 532 is connected to the plurality of switching end groups 513 of the controller 51 by a plurality of switching elements 532a, each of the switching circuits 53. The output terminal 8 M333733 of the 532 is electrically connected to the transmission end group 5G. When one of the switching end groups 513 of the controller 51 sends a trigger signal to the single satellite transmission switch circuit, the corresponding connection is triggered. The group 502 and the transmission end group 5(1) electrically record that when one of the switching end groups 513 sends a trigger signal to the multi-satellite 5 = the switch circuit 532, the switching element corresponding to the triggering is turned on and the multi-satellite connection group 503 is It is electrically connected to the transmission end group 5〇1. Therefore, even if the control 11 51 needs to correspond to each of the satellite signals processed by the receiver 42 of the multi-satellite receiving device 4, the multi-satellite transmission switch circuit 532 can make a single single The satellite connected to the 10th end group 503 can be triggered by a plurality of the switching ends, the group 513 can be turned on to the transmitting end group 5 (Η, so that the satellite signals processed by the multi-satellite receiver 42 can pass through the single- The multi-satellite connection group 5G3 is transmitted to the digital computer. 6 〇〇1 In summary, the satellite receiving system 2 provided by the present invention not only receives the satellite signals transmitted by multiple satellites at the same time, but also provides the number of users. The receiving selection of the satellite channels can be set to multi-satellite receiving device 4 to save the hardware space of the entire satellite receiving system, so that the frequency band signals of the satellites selected by the receiving user can be effectively output to the digital box 60. The above-mentioned ones are only for the case where the creation is difficult, and the equivalent structural changes of the patents, such as the application of the book and the towel, should be included in the patent scope of this creation. 9 M333733 Figure BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a schematic diagram of a device for a conventional digital television receiving system; the second is a schematic diagram of the circuit function of the digital satellite device controller of the above-mentioned conventional digital television receiving system; the third figure is a satellite provided by the preferred embodiment of the present creation The fourth embodiment is a schematic diagram of a device provided by the above preferred embodiment; a fifth diagram is a circuit diagram of the digital conversion device provided by the above preferred embodiment. [Description of main component symbols] 41 satellite antenna 42 multi-satellite receiver 501 transmission end group 503 multi-satellite connection group 511 command end group 513 switching end group 53 selection switch circuit 2 satellite receiving system 10, 40 satellite receiving device 12 single satellite receiver 50 digital conversion device 502 Single satellite connection group 51 controller 512 timing end group 52 detection circuit 531 single satellite transmission switch circuit 532 multi-satellite transmission switch circuit 532a switching element 60 digital set-top box

Claims (1)

M333733 九、申請專利範圍: 1 · 一種多重衛星接收器之數位轉換裝置,具有一傳 =組及多數個連接端組,該些連接端組中具有至少一多 衛星連接端組可電性連接於多衛星接收器,係包括有: -控制器’具有—指令端組及多數個切換端組,該指 5々鈿"且包〖生連接上述傳輸端組,係接收内含特定選取頻率 之指令訊號,經該控制器解碼處理後於其中一該切換端組 送出觸發訊號;以及, 多數個開關電路,分別電性連接各該連接端組及該傳 輸端組,該些開關電路中具有至少一多衛星傳輸開關電路 10電性連接至少二該切換端組及該至少一多衛星連接端組, 各該開關電路係接收上述觸發訊號以將對應連接之該連接 端組與該傳輸端組作電性導通; 上这夕衛生接收益用以接收來自數個相鄰衛星之不同 衛星訊號’經降頻處理成不同頻段的中頻訊號,該多衛星 15傳輸開關電路係可使上述多衛星接收器所輸出之中頻訊號 經由該多衛星連接端組傳輸至該傳輸端組。 2依據申請專利範圍第1項所述之數位轉換裝置, 該多衛星傳輸開關電路具有多數個相互電性連接之^關元 件,各該開關元件分別電性連接一該切換端組。 :0 3 ·依據申請專利範圍第2項所述之數位轉換裝置, 該控制器所送出之觸發訊號係大於至少一二極體之限電壓 準位。 4依據申請專利範圍第1項所述之數位轉換夢置, 該些開關電路中具有至少一單衛星傳輸開關電路電^連接 M333733 一該切換端組。 5·依據申請專利範圍第4項所述之數位轉換裝置, 該多衛星傳輸開關電路包括有與該單衛星傳輸開關電路相 同之電路以及多數個開關元件,各該開關元件分別電性連 5 接一該切換端組。M333733 IX. Patent application scope: 1 · A digital conversion device for a multi-satellite receiver, having a transmission group and a plurality of connection groups, wherein at least one of the plurality of satellite connection groups in the connection group is electrically connected The multi-satellite receiver includes: - the controller ' has - the command end group and the plurality of switch end groups, the finger 5" " and the package is connected to the above-mentioned transmission end group, and the system receives the specific selected frequency The command signal is decoded by the controller, and the trigger signal is sent to one of the switching end groups; and the plurality of switch circuits are electrically connected to each of the connection end group and the transmission end group, and the switch circuits have at least a plurality of satellite transmission switch circuits 10 are electrically connected to at least two of the switching end groups and the at least one multi-satellite connection group, each of the switching circuits receiving the trigger signal to connect the connected terminal group and the transmitting end group Electrically conductive; on the same day, the health receiving benefit is used to receive different satellite signals from several adjacent satellites, which are down-converted into intermediate frequency signals of different frequency bands, Satellite-based transmission switch circuit 15 causes said plurality of intermediate frequency signal output terminal connected to a satellite receiver set to the transmission terminal group transmitted via the plurality of satellites. According to the digital conversion device of claim 1, the multi-satellite transmission switch circuit has a plurality of electrically connected components, and each of the switching elements is electrically connected to the switching end group. : 0 3 · According to the digital conversion device described in claim 2, the trigger signal sent by the controller is greater than the limit voltage level of at least one diode. 4 According to the digital conversion dream described in claim 1, the switch circuit has at least one single satellite transmission switch circuit electrically connected to the M333733 one switching end group. 5. The digital conversion switch circuit according to claim 4, wherein the multi-satellite transmission switch circuit comprises the same circuit as the single satellite transmission switch circuit and a plurality of switching elements, each of which is electrically connected to each other. One of the switching end groups. 1212
TW96220060U 2007-11-27 2007-11-27 Digital conversion device for multiple-satellite receiver TWM333733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96220060U TWM333733U (en) 2007-11-27 2007-11-27 Digital conversion device for multiple-satellite receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96220060U TWM333733U (en) 2007-11-27 2007-11-27 Digital conversion device for multiple-satellite receiver

Publications (1)

Publication Number Publication Date
TWM333733U true TWM333733U (en) 2008-06-01

Family

ID=44326917

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96220060U TWM333733U (en) 2007-11-27 2007-11-27 Digital conversion device for multiple-satellite receiver

Country Status (1)

Country Link
TW (1) TWM333733U (en)

Similar Documents

Publication Publication Date Title
EP1863193B1 (en) Digital satellite receiver and method for switching among multiple receiver antennas using diversity circuitry
US7039937B1 (en) System and method for providing satellite signals to multiple receiving units
EP3542535A2 (en) Method and system for providing non-real-time content distribution services
CN108141235A (en) Motor vehicles with multiple antennas and at least one central communication unit
CN201131023Y (en) Digital conversion device of multiple satellite receiver
TWM333733U (en) Digital conversion device for multiple-satellite receiver
EP3157263B1 (en) Multiple dwelling channel stacking system
WO2015164445A1 (en) Apparatus and method for controlling current in a device due to electrostatic discharge or surge event
JP4063698B2 (en) Satellite signal reception and transmission system
US20060121934A1 (en) Mobile platform apparatus for multiple antenna system and apparatus for verifying mobile platform apparatus
CN101667679A (en) Antenna assembly and electronic device applying same
JP4800588B2 (en) Joint reception system
CN2840561Y (en) Double-satellite system signal receiving device
US8571503B2 (en) Signal receiving methods and devices
JP3431579B2 (en) Satellite receiving converter, block converter, down converter and satellite receiving system
JP3947031B2 (en) Satellite signal reception transmission system and switching distributor
KR101004838B1 (en) Wireless USB signal transmission device, Wireless USB signal reception device and Wireless USB signal reception device
US20080101297A1 (en) DVB-H-GPS coexistence on a single antenna solution
JP4125545B2 (en) Signal mixer and satellite communication system
JP2001086020A (en) Satellite wave conversion device
US20080304466A1 (en) Wireless multipoint voice network
EP1566934B1 (en) OFDM diversity receiver
CN202334719U (en) Mixed system of cable television and satellite television
KR100762620B1 (en) Receiving method and apparatus for multicast / broadcast service having dedicated frequency range in mobile communication system
CN204741440U (en) C-Band Dual Polarization Single Local Oscillator Quad Output Low Noise Frequency Reducer

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees