CN2817125Y - Universal serial bus interface device for signal switching - Google Patents
Universal serial bus interface device for signal switching Download PDFInfo
- Publication number
- CN2817125Y CN2817125Y CN 200520109169 CN200520109169U CN2817125Y CN 2817125 Y CN2817125 Y CN 2817125Y CN 200520109169 CN200520109169 CN 200520109169 CN 200520109169 U CN200520109169 U CN 200520109169U CN 2817125 Y CN2817125 Y CN 2817125Y
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- universal serial
- adapter
- tool
- signal pin
- pin
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Abstract
The utility model relates to a universal serial bus interface device for signal conversion. An adapter is connected between a host and an electronic device, wherein two groups of universal serial bus interfaces are arranged inside the adapter, wherein signal pins D+ and D-of one group of universal serial bus interfaces are reversely ranged and are connected with signal pins D+ and D-of the other group of universal serial bus interfaces through line conversion. The universal serial bus interfaces of which the signal pins D+ and D-are reversely ranged can be connected with universal serial ports arranged on the host or the electronic device. Based on the structure design, data in the electronic device can be transmitted to the host so as to be used or stored by means of the conversion of the two groups of universal serial bus interfaces in the adapter and finally the data is used for the universal serial bus interfaces having specific signal transmission specifications so as to achieve the effect of data secrecy.
Description
Technical field
The utility model provides a kind of universal serial interfare device of tool signal conversion usefulness, refers to the signal terminal by the reversed arrangement setting especially, and electronic installation is needed by the signal conversion, and the universal serial interface just can use or access.
Background technology
The interface that applies at present between latest generation computer connection ancillary equipment is the universal serial interface, because its transmission rate is all fast many compared with employed parallel port of personal computer or serial port, the serial transmission mode that its transfer of data adopted, the main signal line number that can reduce use, and can allow signal transmit larger distance, and function with plug and play, so universal serial has significant lifting for the efficiency of transmission of computer and ancillary equipment, and this kind interface can be integrated as keyboard, mouse, rocking bar, scanner, PDA, carry-on circumscribed computer peripherals such as dish and digital camera make it all can be used in being connected between computer and the ancillary equipment with the universal serial interface of same size.For instance, general universal serial interface all is provided with positive and negative electrode power pin VCC, GND, to be provided as the used electronic device power of universal serial interface, reach the signal pin D+, the D-that are provided with a group or more in addition, its signal pin D+, D-use mainly as transfer of data.
See also shown in Figure 6, be known circuit diagram, find out by knowing among the figure, general main frame A is provided with universal serial port A1 mostly, the universal serial interface B1 of its sub-device B that mainly can power interconnects, just make its universal serial port A1, negative power supply pin A11, A12 and signal pin A13D+, A14D-, direct and corresponding universal serial interface B1 just, negative power supply pin B11, B12 and signal pin B13D+, B14D-is connected, so, when user's desire during with electronic installation B access data as dish with oneself, DSC, electric memory mechanism such as MP3 or PDA, only need pass through universal serial interface B1, electronic installation B is inserted on the main frame A can carry out data access or editor immediately.
Yet, above-mentioned portable electronic storage device all is provided with the universal serial interface, for with the main frame plug and play, and personal computer has become the essential articles for use of daily life at present, its main frame is seen everywhere, but if the user loses the portable electronic storage device accidentally or is stolen, as easy as rolling off a log round other people steal the interior data of electric memory mechanism, thereby cause leaking of confidential data.
Thus, how to solve the above problems and defective, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.
Summary of the invention
Main purpose of the present utility model is the universal serial interfare device that is to provide a kind of tool signal conversion usefulness, this device by in the adapter wherein signal pin D+, the D-in one group of universal serial interface be the reversed arrangement setting, and, be connected with signal pin D+, the D-of another group universal serial interface by line transfer.
With this structural design, the universal serial interface of signal pin D+, the D-of reversed arrangement setting can be connected with the set universal serial port of electronic installation or main frame, so, just can be by the conversion of two groups of universal serial interfaces in the adapter, just can read or the editing electronic device in data.
With this structural design, when electronic installation is Storage Media, as carry-on dish, PDA, MP3 or DSC etc., also can not directly be used in separately on the general main frame, or general electronic installation can not directly be used on the main frame, need just can operate by the interface conversion, and then avoid electronic installation and the interior stored confidential data of main frame to leak, to reach the effect of data confidentiality.
Secondary objective of the present utility model is the universal serial interfare device of the tool signal conversion usefulness that is to provide, with signal pin D+, the D-of universal serial port set in main frame and the electronic installation is the reversed arrangement setting, so, its general electronic installation can not directly be used on the main frame, and electronic installation also can not be used for general main frame, only can be applicable on particular host or the electronic installation.
For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof will illustrate its feature and function in detail by accompanying drawing and preferred embodiment of the present utility model.
Description of drawings
Fig. 1 is the circuit diagram of the utility model preferred embodiment.
Figure 1A is the stereo appearance figure one of the utility model preferred embodiment.
Figure 1B is the stereo appearance figure two of the utility model preferred embodiment.
Fig. 1 C is the circuit diagram of another preferred embodiment of the utility model.
Fig. 2 is the circuit diagram of the utility model preferred embodiment when using.
Fig. 2 A is the stereo appearance figure one of the utility model preferred embodiment when using.
Fig. 2 B is the stereo appearance figure two of the utility model preferred embodiment when using.
Fig. 3 is the circuit diagram of another preferred embodiment of the utility model when using.
Fig. 4 is the utility model circuit diagram of a preferred embodiment when using again.
Fig. 4 A is the utility model stereo appearance figure of a preferred embodiment when using again.
Fig. 5 is the circuit diagram of the another preferred embodiment of the utility model when using.
Fig. 6 is known circuit diagram.
Symbol description among the figure:
1, adapter
11, universal serial interface
12, universal serial interface
111, cathode power supply pin 121, cathode power supply pin
112, negative power supply pin 122, negative power supply pin
113D+, signal pin 123D+, signal pin
114D-, signal pin 124D-, signal pin
2, main frame
21, universal serial port 212D-, signal pin
211D+, signal pin
3, electronic installation
31, universal serial port 312D-, signal pin
311D+, signal pin
A, main frame
A1, universal serial port A13D+, signal pin
A11, cathode power supply pin A14D-, signal pin
A12, negative power supply pin
B, electronic installation
B1, universal serial interface B13D+, signal pin
B11, cathode power supply pin B14D-, signal pin
B12, negative power supply pin
Embodiment
See also shown in Figure 1, circuit diagram for the utility model preferred embodiment, find out by knowing among the figure, the universal serial interfare device of tool signal conversion usefulness of the present utility model, in between main frame and electronic installation, be connected with adapter 1, wherein be provided with two groups of universal serial interfaces 11 in this adapter 1,12, and wherein just be provided with in one group of universal serial interface 11, negative power supply pin 111,112, and a group or more signal pin 113D+, 114D-, and just also be provided with in another group universal serial interface 12, negative power supply pin 121,122, and a group or more signal pin 123D+, 124D-, and signal pin 123D+, 124D-can be the reversed arrangement setting, and above-mentioned two groups of universal serial interfaces 11,12 can be serial transmission forms such as USB or IEEE1394.
Moreover, two groups of universal serial interfaces 11 of adapter of the present utility model, 12 the demand that visual user is set or the difference of design and with plug or socket morphosis such as Figure 1A, shown in Figure 1B, and it is just above-mentioned, but the negative power supply pin is the power supply source transmission to be used, and signal pin D+, D-then uses as transfer of data, and make signal pin D+, D-can be a group or more mode shown in Fig. 1 C and implements, contained by the utility model so can reach the form of aforementioned effect such as, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.
Please consult Fig. 1 simultaneously, shown in Figure 2, circuit diagram for the utility model preferred embodiment, circuit diagram when using, find out by knowing among the figure, general universal serial interface just, the negative power supply pin is to use mainly as power delivery, and signal pin D+, D-then has two, mainly be to use as transfer of data, usually the universal serial interface is when transfer of data, be signal pin D+ with universal serial port set in the electronic installation, D-directly with the signal pin D+ of the interior set universal serial port of main frame, D-is connected, carry out transfer of data, the utility model then is by adapter 1, make in the adapter 1 the wherein signal pin 123D+ of one group of universal serial interface 12,124D-is the reversed arrangement setting, pass through line transfer, can organize the signal pin 113D+ of universal serial interface 11 with another, 114D-be connected (as shown in Figure 1), so, the signal pin 311D+ of set universal serial port 31 in electronic installation 3,312D-is that reversed arrangement is when being provided with, the signal pin 123D+ that can be provided with tool reversed arrangement in the adapter 1, the universal serial interface 12 of 124D-interconnects use, so, the signal pin 113D+ that the tool normal alignment is provided with in adapter 1, the universal serial interface 11 of 114D-for main frame 2 in set universal serial ports 21 when interconnecting, can pass through line transfer, transfer of data to main frame 2 in the electronic installation 3 is handled, hence one can see that, if do not pass through two groups of universal serial interfaces 11 of adapter, 12 conversions, the signal pin 311D+ in its electronic installation 3,312D-also can not be directly and main frame 2 in signal pin 211D+, 212D-interconnects use.So, when electronic installation 3 is storable electronic installation, as carry-on dish shown in Fig. 2 A, PDA is shown in Fig. 2 B or during DSC, if stolen use by the ambitious people accidentally, it also can not directly plug in general main frame 2 and read, and needs the conversion by two groups of universal serial interfaces 11,12 of adapter 1, can enough read the data in the electronic installation 3, can not use separately, leak to avoid confidential data, and cause greatest loss.
Moreover, from the above, it is primarily aimed in the adapter 1 the wherein signal pin 123D+ of one group of universal serial interface 12,124D-, and the signal pin 311D+ of the set universal serial port 31 of electronic installation 3,312D-is that reversed arrangement is provided with do one explanation, see also shown in Figure 3, its also can be directly by the signal pin 123D+ of one group of universal serial interface 12 wherein in the adapter 1,124D-, signal pin 211D+ with universal serial port 21 set in the main frame 2,212D-does the reversed arrangement setting, its principle is the same, can avoid the data in the main frame 4 to be stolen out, so, signal pin D+ of the present utility model, the demand that visual user oppositely is set of D-or the difference of design and implement in the mode of host side or ancillary equipment end, contained by the utility model so can reach the form of aforementioned effect such as, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.
Please continue to consult Fig. 4, shown in Fig. 4 A, be circuit diagram and the stereo appearance figure when using of another preferred embodiment of the utility model when using, find out by knowing among the figure, above-mentioned electronic installation 3 also can be mouse, keyboard, computer peripheral equipments such as printer, the signal pin 311D+ of the universal serial port 31 that it is inner set, 312D-also is the reversed arrangement setting, also be two groups of universal serial interfaces 11 by adapter 1,12 conversion, just can use, to prevent that electronic installation 3 is stolen, electronic installation 3 can't be used separately.
Please continue to consult shown in Figure 5, be the utility model circuit diagram of a preferred embodiment when using again, find out by knowing among the figure, the signal pin 311D+ of the universal serial port 31 that above-mentioned electronic installation 3 inside are set, 312D-oppositely is provided with, and the signal pin D+ of set universal serial port 21 in the main frame 2, D-oppositely is provided with, so, when electronic installation 3 is carry-on dish, PDA, during electric memory mechanism such as MP3 or DSC, just the universal serial port 31 of electronic installation 3 can be connected with the universal serial port 21 of main frame 2, carry out data access, editor, when if electronic installation 3 is used for other general main frame, then can not use, otherwise main frame 2 is when connecting general his electronic installation in addition, also can not use, and then electronic installation 3 can only be used on the particular host 2.
So, the utility model is that the orientation that is primarily aimed at signal terminal D+, D-is inverted and is main key protection point, and by hardware oppositely organize cleverly structure with cook up concrete spatial design, just can be applicable to the portable electronic storage device: as carry-on dish, DSC, MP3 or PDA etc.; Perhaps ancillary equipment: on mouse, keyboard or printer, its electronic installation can't directly be used on the main frame of general universal serial interface use.Otherwise, also can directly apply on the main frame, be connected with main frame to prevent general electronic installation, and then can avoid the data in the main frame to be stolen, with this structural design, it only can be applied on the electronic installation of particular vendor, to reach the effect that increases data confidentiality in the main frame.
Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the utility model, only this embodiment is not in order to limit claim of the present utility model, all other do not break away from the equalization of finishing under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the claim that the utility model contains.
In sum, the universal serial interfare device of tool signal conversion usefulness of the present utility model has obvious effect when using promotes, and really meets the patent requirement of novelty, utility model and progressive, files an application in accordance with the law.
Claims (14)
1, a kind of universal serial interfare device of tool signal conversion usefulness, in between main frame and electronic installation, be connected with adapter, and adapter is interior for being provided with two groups of universal serial interfaces, it mainly all is provided with the positive and negative electrode power pin in two groups of universal serial interfaces, and a group or more signal pin D+, D-, but being the power supply source transmission, uses its positive and negative electrode power pin, signal pin D+, D-then use as transfer of data, it is characterized in that
In this adapter wherein signal pin D+, the D-of one group of universal serial interface be that orientation is inverted, and be connected by line transfer signal pin D+, D-with another group universal serial interface.
2, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 1, it is characterized in that, in this adapter wherein the universal serial interface of the signal pin D+, the D-that are inverted of one group of tool orientation be connected with the electronic installation that tool oppositely is provided with the universal serial port of signal pin D+, D-.
3, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 2 is characterized in that this electronic installation can be carry-on dish, DSC, MP3 or PDA.
4, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 1, it is characterized in that, in this adapter wherein the universal serial interface of the signal pin D+, the D-that are inverted of one group of tool orientation for being connected with main frame that tool oppositely is provided with the universal serial port of signal pin D+, D-.
5, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 1 is characterized in that the universal serial interface of this adapter can be serial transmission patterns such as USB or IEEE1394.
6, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 1 is characterized in that the form that the universal serial interface of this adapter can be plug or socket constitutes.
7, a kind of universal serial interfare device of tool signal conversion usefulness, include adapter and electronic installation is formed, wherein this adapter is interior for being provided with two groups of universal serial interfaces, it mainly all is provided with the positive and negative electrode power pin in two groups of universal serial interfaces, and a group or more signal pin D+, D-, but being the power supply source transmission, uses its positive and negative electrode power pin, signal pin D+, D-then use as transfer of data, it is characterized in that
Wherein signal pin D+, the D-of one group of universal serial interface are that orientation is inverted in this adapter, and be connected by line transfer signal pin D+, D-with another group universal serial interface, in the electronic installation set universal serial port then with adapter in wherein one group of universal serial interface be connected.
8, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 7, it is characterized in that, signal pin D+, the D-of the universal serial port of this electronic installation is that orientation is inverted, and is connected with the signal pin D+ that oppositely is provided with of tool, the universal serial interface of D-in the adapter.
9, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 7 is characterized in that this electronic installation can be carry-on dish, DSC, MP3 or PDA.
10, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 7, it is characterized in that, in this adapter wherein the universal serial interface of the signal pin D+, the D-that are inverted of one group of tool orientation for being connected with main frame that tool oppositely is provided with the universal serial port of signal pin D+, D-.
11, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 7 is characterized in that the universal serial interface of this adapter can be serial transmission forms such as USB or IEEE1394.
12, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 7 is characterized in that the form that the universal serial interface of this adapter can be plug or socket constitutes.
13, a kind of universal serial interfare device of tool signal conversion usefulness, in electronic installation, be provided with the universal serial interface, the universal serial interface is for being provided with the positive and negative electrode power pin, and a group or more signal pin D+, D-, but its positive and negative electrode power pin is the power supply source transmission to be used, signal pin D+, D-then use as transfer of data, it is characterized in that
Signal pin D+, the D-of the universal serial interface of this electronic installation is that orientation is inverted, and the universal serial interface of electronic installation is for being connected with the set universal serial port of main frame, and signal pin D+, the D-of the universal serial port of main frame also are the reversed arrangement setting.
14, the universal serial interfare device of tool signal conversion usefulness as claimed in claim 13 is characterized in that this electronic installation can be carry-on dish, DSC, MP3 or PDA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109169 CN2817125Y (en) | 2005-06-23 | 2005-06-23 | Universal serial bus interface device for signal switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109169 CN2817125Y (en) | 2005-06-23 | 2005-06-23 | Universal serial bus interface device for signal switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817125Y true CN2817125Y (en) | 2006-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520109169 Expired - Fee Related CN2817125Y (en) | 2005-06-23 | 2005-06-23 | Universal serial bus interface device for signal switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817125Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938530A (en) * | 2012-10-31 | 2013-02-20 | 北京小米科技有限责任公司 | Conversion device |
-
2005
- 2005-06-23 CN CN 200520109169 patent/CN2817125Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938530A (en) * | 2012-10-31 | 2013-02-20 | 北京小米科技有限责任公司 | Conversion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |