TW459193B - Circuit capable of automatically detecting action for USB hub - Google Patents
Circuit capable of automatically detecting action for USB hub Download PDFInfo
- Publication number
- TW459193B TW459193B TW89105895A TW89105895A TW459193B TW 459193 B TW459193 B TW 459193B TW 89105895 A TW89105895 A TW 89105895A TW 89105895 A TW89105895 A TW 89105895A TW 459193 B TW459193 B TW 459193B
- Authority
- TW
- Taiwan
- Prior art keywords
- usb hub
- usb
- power mode
- power
- external power
- Prior art date
Links
Abstract
Description
45 919 3______;_ 五、發明說明（1) 本發明主要係提供一種USB集線器可自動偵測作動之 電路，特別是指一種具有進步性、使用簡便以及不損害電 腦結構之USB集線器可自動偵測作動之電路β 請參閱第一圈，其係為習知電雎裝置（PC)與USB集 線器（USB Hub)及其他USB週邊設備連接示意圈，亦即當 電腦裝置（PC ) 1與USB集線器（USB Hub ) 2以USB電纜線 (USB Cable)20相連結，此時電腦裝置（pc)l之電源模 式（POWER)為小功率模式（Bus-Power mode)，但若遇 及其他USB週邊設備3 (如USB掃描器、USB印表機.等） 與USB集線器（USB Hub ) 2連結時，則需較大電源輸出， 基於電腦裝置（PC) 1本身無法供應較大電源，此時USB集 線器（USB Hub ) 2可再利用一電源線（DC Power Cord ) 40連結一外接電源（External Power) 4來提供較大電 源’但是此一狀況下之電腦裝置（PC ) 1無法自動偵測出 有外接電源（External Power ) 4插入，導致其小功率模 式（Bus-Power mode)也無法轉換成大功率模式 (Self-Power mode)，如欲使小功率模式（Bus-Power mode )轉換成大功率模式（Self-Power mode)，必須將 電腦裝置（PC ) 1與USB集線器（USB Hub ) 2之間所連結的 USB電纜線（USB Cable )20先行拔除，然後隨即再將USB 電纜線（USB Cable ) 20插入電腦裝置（PC ) 1，此即所謂 重覆插拔之方式，如此電腦裝置（PC) 1才能偵測出有外 接電源（External Power) 4插入，而改以大功率模式 (Self-Power mode)供應電源。45 919 3 ______; _ 5. Description of the invention (1) The present invention mainly provides a USB hub circuit that can automatically detect an action, especially a USB hub that is progressive, easy to use, and does not damage the structure of the computer. The operating circuit β Please refer to the first circle, which is a schematic circle of the connection between the conventional electric device (PC) and the USB hub (USB Hub) and other USB peripheral devices, that is, when the computer device (PC) 1 and the USB hub ( USB Hub) 2 is connected with a USB Cable 20 (USB Cable) 20. At this time, the power mode (POWER) of the computer device (pc) is in the low-power mode (Bus-Power mode), but if it encounters other USB peripherals 3 (Such as a USB scanner, USB printer, etc.) When connecting to a USB hub (USB Hub) 2, a large power output is required. Based on the computer device (PC) 1 itself, a larger power supply cannot be provided. At this time, the USB hub ( USB Hub) 2 can use a DC power cord 40 to connect an external power 4 to provide a larger power supply. However, the computer device (PC) 1 in this situation cannot automatically detect the presence of external power. 1. power supply ) 4 insertion, resulting in its low-power mode (Bus-Power mode) can not be converted to high-power mode (Self-Power mode), if you want to change the low-power mode (Bus-Power mode) to high-power mode (Self-Power mode), the USB cable (USB Cable) 20 connected between the computer device (PC) 1 and the USB hub (USB Hub) 2 must be unplugged first, and then the USB cable (USB Cable) 20 is plugged into the computer device (PC) 1, this is the so-called repeated plugging method, so that the computer device (PC) 1 can detect that the external power (External Power) 4 is plugged in, and change the power supply mode (Self-Power mode) .
45 919 345 919 3
本案發明人長久精研於電腦結構之設計及研發，且對 品質提升之工程亦有極濃厚之使命感，平素對於電腦結構 上之優缺點’常有細微且明確的分析並著手進行改良經 由前述分析可知此重覆插拔之方式可說是落伍、使用不方 :便以及損害電腦裝置（PC)結構的方法，有鑑於此，本案 發明人遂針對以上缺失進行研究改良，希望能夠發明出改 良上述之缺點’本案發明人本著精益求精的精神，不斷地 研究推理思考並歷經多次測試，终於完成本發明之設計β 即’本發明主要目的在於提供一種具有進步性、使用 i簡便以及不損害電腦結構之USB集線器可自動偵測作動之 丨電路。 依據上述之内容’本發明係為一種USB集線器可自動 偵測作動之電路’其大致包含有電腦裝置（PC )、USB集 線器（USB Hub)以及其他USB週邊設備；其特徵在於該電 ;腦裝置（pc)可連接一電路，該電路係由二極體、電阻元 :件及電容元件或邏輯1C元件所構成，在USB集線器（USB Hub )有連接其他USB週邊設備而須連接外接電源 (External Power )時，可使電腦裝置（PC)自動偵測出 有外接電源（External Power)的存在。 ； 緣是，本發明所述之USB集線器可自動偵測作動之電 I路，其大致包含有電腦裝置（PC )、USB集線器（USB Hub I )以及其他USB週邊設備；其特徵在於該電雎裝置（PC) 丨可連接一電路，該電路係由二極體、電阻元件及電容元件 | ;或邏輯1C元件所構成，在USB集線器（USB Hub )有連接其The inventor of this case has been concentrating on the design and development of computer structures for a long time, and has a strong sense of mission for quality improvement projects. He usually has a detailed and clear analysis of the advantages and disadvantages of computer structures and starts to improve. According to the analysis, the repeated plugging method can be said to be outdated and inappropriate to use: convenience and damage to the structure of the computer device (PC). In view of this, the inventor of this case has researched and improved the above defects, hoping to invent improvements Disadvantages mentioned above 'In the spirit of excellence, the inventor of this case has continuously researched and reasoned, and after many tests, finally completed the design of the present invention β namely,' The main purpose of the present invention is to provide a progressive, easy to use, and The USB hub that damages the computer structure can automatically detect the operating circuit. According to the above content, the present invention is a circuit that the USB hub can automatically detect the operation, which generally includes a computer device (PC), a USB hub (USB Hub), and other USB peripherals; it is characterized by the electrical device; the brain device (Pc) can be connected to a circuit, which is composed of a diode, a resistor element: a capacitive element or a logic 1C element. There is a USB hub (USB Hub) to connect other USB peripherals and must be connected to an external power supply (External Power), the computer device (PC) can automatically detect the presence of external power (External Power). The reason is that the USB hub according to the present invention can automatically detect the electrical circuit I, which generally includes a computer device (PC), a USB hub (USB Hub I) and other USB peripherals; it is characterized by the The device (PC) can be connected to a circuit, which is composed of a diode, a resistance element and a capacitor element; or a logic 1C element, which is connected to a USB hub (USB Hub)
第5頁 45 919 3Page 5 45 919 3
五、發明說明（3) 他USB週邊設備而須連接外接電源（External P〇wer) 時’可使電腦裝置（PC )自動偵測出有外接電源 (External Power)的存在；以及該USB集線器（USB Hub )插入電腦裝置（PC )時，電腦裝置（pC )便偵測到USB 集線器（USB Hub)插入並讀取小功率模式（Bus_p〇wer mode) ’而且續作；當外接電源（External Power)插入 電腦裝置（PC )時’電雎裝置（pc )便偵測到外接電源 (External Power )插入，電腦裝置（pc )偵測到小功率 模式（Bus-Power mode)改變，而改變為大功率模式 (Self-Power mode);當外接電源（External P〇wer) 從電腦裝置（PC )移除時，電腦裝置（PC )偵測到大功率 模式（Self-Power mode)改變，而改變為小功率模式 (Bus-Power mode ) ° 為期使對於本發明之目的、功效及構造特徵能有詳盡 明確的瞭解，茲舉出如下述之較佳實施例並配合圖示說明 如后： 請參閱第二圖，其係為本發明一較佳實施例之電路 圓。 由圖可知本發明所述之USB集線器可自動偵測作動之 電路’其大致包含有電蹋裝置（PC )5、USB集線器（USB Hub ) 6以及其他USB週邊設備7 (如USB掃描器、USB印表 機…·.等）；其特徵在於該電雎裝置（PC )6可連接一電 路，該電路係由二極體、電阻元件及電容元件或邏輯1(；元 件所構成：當USB集線器（USB Hub ) 6有連接其他USB週邊V. Description of the invention (3) When other USB peripherals need to be connected to an external power source ('External Power'), the computer device (PC) can automatically detect the presence of an external power source; and the USB hub ( When the USB Hub is plugged into a computer device (PC), the computer device (pC) detects that the USB hub (USB Hub) is plugged in and reads the low power mode (Bus_p〇wer mode) 'and continues; when the external power source (External Power ) When the computer device (PC) is plugged in, the 'electric device (pc) detects the insertion of an external power (External Power), and the computer device (pc) detects a change in the low-power mode (Bus-Power mode) and changes to a large Self-Power mode; when the external power source (External Power) is removed from the computer device (PC), the computer device (PC) detects a change in the high-power mode (Self-Power mode) and changes to Low-power mode (Bus-Power mode) ° In order to have a clear and clear understanding of the purpose, efficacy and structural characteristics of the present invention, the following preferred embodiments are given together with illustrations as follows: Two pictures, this is the hair The circuit of a preferred embodiment will be described. It can be seen from the figure that the USB hub according to the present invention can automatically detect an operating circuit, which generally includes an electric device (PC) 5, a USB hub (USB Hub) 6, and other USB peripheral devices 7 (such as a USB scanner, USB Printer ...), characterized in that the electric device (PC) 6 can be connected to a circuit, which is composed of a diode, a resistive element and a capacitive element or a logic 1 (; component: when the USB hub (USB Hub) 6 There are other USB peripherals connected
第6頁 4 5 919 3 五、發明說明（4) 設備7時，基於電腦裝置（PC) 5本身無法供應較大電源， 而須連接外接電源（External Power) 8，當外接電源 (External Power ) 8 利用一電源線（DC Power Cord ) 80 與USB集線器（USB Hub )6相連結，電觸裝置（pc)5便可 自動偵測出有外接電泺（External Power ) 8的存在，而 無須再使電雎重新啟動即可使電瑙裝置（PC )5自動偵測 出有外接電源（External Power )8的存在，此時電腦裝 置（PC ) 5之電源（POWER )模式從原本小功率模式 (Bus-Power mode)自動轉換成大功率模式（seif-power mode )。 續請參閱第三圖，其係為本發明一較佳實施例小功率 模式（Bus-Power mode)切換至大功率模式（Self-Power mode )之流程圖；如第三圖所示，當電膘裝置（pc )5與 USB 集線器（USB Hub ) 6 以USB 電纜線（USB Cable) 60 相 連結，電腦裝置（PC )5之電源（POWER )模式為小功率模 式（Bus-Power mode)，但有其他USB週邊設備7 (如USB 掃描器、CCD Camera…·等）與USB集線器（USB Hub ) 8 連結時，需較大電源輸出，但電雎裝置（PC )5本身無法 供應較大電源，此時USB集線器（USB Hub ) 6可再連結一 外接電泺（External Power )8 ’來提供較大電源，由於 電蹈裝置（PC )5有與本發明之電路連結，電雎裝置（Pc )5便可自動偵測出有外接電源（External P〇ffer ) 8插入 USB集線器（USB Hub ) 6，其電源（POWER )模式便轉換成 大功率模式（Self-Power mode) ’而改以大功率模式Page 6 4 5 919 3 V. Description of the invention (4) When the device 7 is used, the computer device (PC) 5 itself cannot supply a large power supply, but an external power supply (External Power) 8 must be connected. When the external power supply (External Power) 8 Use a DC Power Cord 80 to connect with the USB Hub (USB Hub) 6, the electric contact device (pc) 5 can automatically detect the presence of the External Power 8 without the need for Restarting the battery can make the electric device (PC) 5 automatically detect the presence of an external power (External Power) 8. At this time, the power mode of the computer device (PC) 5 is changed from the original low power mode ( Bus-Power mode) automatically converts to high-power mode (seif-power mode). Continue to refer to the third figure, which is a flowchart of switching from the low-power mode (Bus-Power mode) to the high-power mode (Self-Power mode) according to a preferred embodiment of the present invention;膘 The device (pc) 5 and USB hub (USB Hub) 6 are connected by a USB cable (USB Cable) 60. The power mode of the computer device (PC) 5 is the low-power mode (Bus-Power mode), but When other USB peripheral devices 7 (such as USB scanner, CCD Camera, etc.) are connected to the USB hub (USB Hub) 8, a large power output is required, but the electrical device (PC) 5 itself cannot supply a large power. At this time, the USB hub (USB Hub) 6 can be connected to an external power supply (External Power) 8 'to provide a larger power supply. Since the PC 5 is connected to the circuit of the present invention, the power supply device (Pc) 5 can automatically detect the presence of an external power source (External Pffer) 8 plugged into a USB hub (USB Hub) 6, the power (POWER) mode will be converted to a high-power mode (Self-Power mode) 'and changed to high-power mode
第7頁 45 91 9 3___ 五、發明說明（5) (Self-Power mode)供應電源。 續請參閱第四圖’其係為本發明一較佳實施例大功率 模式（Self-Power mode)切換至小功率模式（Bus-P〇ffer mode )之流程围；如第四圖所示，當其他USB週邊設備7從 USB集線器（USB Hub ) 6移除時，也無須以人工方式將電 腦裝置（PC ) 5之電源（POWER )模式進行轉換，電腦裝置 (PC )5就自動偵測出其他USB週邊設備7從USB集線器 (USB Hub ) 6移除，而自動從大功率模式（Self-Power mode)轉換成小功率模式（Bus-Power mode)。 依據上述可知本發明具有如下之優點： 1 ·本發明所述之USB集線器可自動偵測作動之電路，其中 該電路可使電腦裝置（PC ) 5自動偵測到有外接電源 (External Power ) 8插入’且改變其電源（POWER )模 式，並不用以人工方式即所謂之重復插拔進行偵測，絲 毫不必再利用到人力去改變其電源（POWER )模式，極 具有進步性。 2.當有外接電源（External Power ) 8插入USB集線器 (USB Hub )6時，由於電腦裝置（PC )5有與本發明所 述之USB集線器可自動偵測作動之電路作連結，電腦裝 置（PC) 6便自動镇測到有外接電源（External Power )8插入’而無須以一般重覆插拔之方式使電腦裝置 (PC )5偵測到，使用上十分簡便’同時也不致於影響 到電腦結構。 以上所述，本發明在同類產品中實有極佳之進步實用Page 7 45 91 9 3___ 5. Description of the invention (5) (Self-Power mode) Power supply. Continue to refer to the fourth figure, which is a flowchart of the process of switching from the high-power mode (Self-Power mode) to the low-power mode (Bus-Poffer mode) according to a preferred embodiment of the present invention; as shown in the fourth figure, When other USB peripheral devices 7 are removed from the USB hub (USB Hub) 6, there is no need to manually switch the power mode of the computer device (PC) 5 and the computer device (PC) 5 automatically detects The other USB peripheral devices 7 are removed from the USB hub (USB Hub) 6 and are automatically converted from the high-power mode (Self-Power mode) to the low-power mode (Bus-Power mode). According to the above, the present invention has the following advantages: 1. The USB hub according to the present invention can automatically detect an operating circuit, wherein the circuit enables a computer device (PC) 5 to automatically detect the presence of an external power (External Power) 8 Plug in 'and change its power (POWER) mode. It is not used for manual detection, so-called repeated plugging and unplugging. There is no need to use manpower to change its power (POWER) mode. It is very progressive. 2. When an external power source (External Power) 8 is plugged into the USB hub (USB Hub) 6, since the computer device (PC) 5 is connected to a circuit that the USB hub can automatically detect and act, the computer device ( PC) 6 will automatically test the presence of an external power (External Power) 8 plugged in, without the need to make the computer device (PC) 5 detected by ordinary repeated plugging and unplugging, and it will not affect it Computer structure. As mentioned above, the present invention has excellent progress and practicality in similar products.
4 5 9 19 3 五、發明說明（6) 性’同時遍查國内外關於此類結構之技術資料、文獻中亦 未發現有相同的構造存在在先，應已符合「發明性」及 「合於產業利用性」以及「進步性」等專利要件，爱依法 提出申請" 唯’以上所述者，僅係本發明之一較佳可行實施例而 已’大凡應用本發明說明書及申請專利範圍所為之其它各 種等效結構變化’均屬可行，故理應包含在本發明申請專 利所涵蓋之範圍内。 以下係圖示之簡單說明： 第一圖係為習知電腦裝置（PC) 'USB集線器（USB Hub) 及其他USB週邊設備連接示意囷。 第二圖係為本發明一較佳實施例之電路圊。 第三圈係為本發明一較佳實施例小功率模式（Bus_p〇wer mode)切換至大功率模式（Self-Power mode)之 流程圖。 第四圖係為本發明一較佳實施例大功率模式（Self-Power mode )切換至小功率模式（Bus-Power mode )之流 程®。 主要元件之編號： 電腦裝置（PC ) 5，USB集線器（USB Hub ) 6 ; 電纜線（USB Cable ) 60，其他USB週邊設備7 ; 外接電源（External Power) 8 ;4 5 9 19 3 V. Description of the invention (6) At the same time, the technical information of such structures at home and abroad was searched at the same time, and the same structure was not found in the literature. It should have met the "inventivity" and "combination" For patent requirements such as "industrial availability" and "progressiveness", I love to file an application in accordance with the law. "The above-mentioned ones are only one of the preferred and feasible embodiments of the present invention, and the scope of application of the present invention and patent application is generally Various other equivalent structural changes are feasible, and should be included in the scope covered by the patent application of the present invention. The following is a brief description of the diagram: The first diagram is a connection diagram of a conventional computer device (PC) 'USB hub (USB Hub) and other USB peripheral devices. The second figure is a circuit diagram 一 of a preferred embodiment of the present invention. The third circle is a flowchart of switching from a low power mode (Bus_power mode) to a high power mode (Self-Power mode) according to a preferred embodiment of the present invention. The fourth figure is the process of switching from high-power mode (Self-Power mode) to low-power mode (Bus-Power mode) according to a preferred embodiment of the present invention. Number of main components: computer device (PC) 5, USB hub (USB Hub) 6; cable (USB Cable) 60, other USB peripherals 7; external power (External Power) 8;
第9頁Page 9
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW89105895A TW459193B (en) | 2000-03-28 | 2000-03-28 | Circuit capable of automatically detecting action for USB hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW89105895A TW459193B (en) | 2000-03-28 | 2000-03-28 | Circuit capable of automatically detecting action for USB hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW459193B true TW459193B (en) | 2001-10-11 |
Family
ID=21659254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW89105895A TW459193B (en) | 2000-03-28 | 2000-03-28 | Circuit capable of automatically detecting action for USB hub |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW459193B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7340556B2 (en) | 2001-11-09 | 2008-03-04 | Aten International Co., Ltd. | Signal switch for console and peripheral devices |
| US8176226B2 (en) | 2001-11-09 | 2012-05-08 | Aten International Co., Ltd. | KVMP switch allowing asynchronous and synchronous switching for console devices and peripheral devices among different computers |
| TWI393052B (en) * | 2008-06-17 | 2013-04-11 | Sitronix Technology Corp | Detection circuit of electronic device and its detection method |
| CN103473208A (en) * | 2013-04-12 | 2013-12-25 | 威盛电子股份有限公司 | Transmission system |
| TWI631465B (en) * | 2013-04-12 | 2018-08-01 | 威盛電子股份有限公司 | Transmittal system and connection device |
-
2000
- 2000-03-28 TW TW89105895A patent/TW459193B/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7340556B2 (en) | 2001-11-09 | 2008-03-04 | Aten International Co., Ltd. | Signal switch for console and peripheral devices |
| US7472217B2 (en) | 2001-11-09 | 2008-12-30 | Aten International Co., Ltd. | Asynchronous/synchronous KVMP switch for console and peripheral devices capable of switching KVM channels and peripheral channels to common or different computers |
| US8140734B2 (en) | 2001-11-09 | 2012-03-20 | Aten Technology Inc. | Asynchronous/synchronous switching of console devices and peripheral devices |
| US8176226B2 (en) | 2001-11-09 | 2012-05-08 | Aten International Co., Ltd. | KVMP switch allowing asynchronous and synchronous switching for console devices and peripheral devices among different computers |
| TWI393052B (en) * | 2008-06-17 | 2013-04-11 | Sitronix Technology Corp | Detection circuit of electronic device and its detection method |
| CN103473208A (en) * | 2013-04-12 | 2013-12-25 | 威盛电子股份有限公司 | Transmission system |
| CN103473208B (en) * | 2013-04-12 | 2016-10-12 | 威盛电子股份有限公司 | Transmission system |
| US9703343B2 (en) | 2013-04-12 | 2017-07-11 | Via Technologies, Inc. | Transmittal system and connection device |
| TWI631465B (en) * | 2013-04-12 | 2018-08-01 | 威盛電子股份有限公司 | Transmittal system and connection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW594544B (en) | Interface device for automatically determining peripherals and electronic device having such a function | |
| US6780048B2 (en) | Power-supplying device for peripheral applied equipments of a computer | |
| CN101546962B (en) | Power supply device | |
| TW459193B (en) | Circuit capable of automatically detecting action for USB hub | |
| TWM376027U (en) | Embedded type electric charging socket | |
| CN101883988A (en) | Signal generating circuit for detecting ground status | |
| US9570864B1 (en) | Cable assembly having a device connection end with a light source | |
| TWM328091U (en) | Transmission cable capable of transmitting E-SATA signals and electricity | |
| US20130200724A1 (en) | Energy-saving control device and energy-saving control method and power adapter including the same | |
| CN101211207B (en) | Power detection circuit | |
| CN101640407B (en) | Power supply conversion device and method thereof | |
| TW420752B (en) | Automatic power turn-on circuit for a battery-powered voltage measurement apparatus | |
| CN109412595A (en) | A kind of sample circuit | |
| US9304884B2 (en) | Test apparatus for testing two communication protocol chips based on power relay signals | |
| TWI521322B (en) | Intelligent power adaptor | |
| TWM246840U (en) | Improved structure for DC output plug of power adapter | |
| CN206848413U (en) | Resistance test instrument | |
| CN213750282U (en) | Power-off detection circuit | |
| CN211015478U (en) | Type-C interface test equipment | |
| TW200830106A (en) | Device and method capable of automatically switching to become a universal serial bus (USB) host or a peripheral | |
| CN211701457U (en) | Short-circuit protection circuit | |
| TW200933167A (en) | Power on/off tester for computer | |
| TWM362441U (en) | An electric device having a power supply device | |
| TW201216804A (en) | Plug type conductance device | |
| TWM352859U (en) | Electrostatic and electromagnetic wave elimination device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |