CN102446143A - Method for avoiding USB identification during connecting camera with iPad - Google Patents
Method for avoiding USB identification during connecting camera with iPad Download PDFInfo
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- CN102446143A CN102446143A CN2011102880939A CN201110288093A CN102446143A CN 102446143 A CN102446143 A CN 102446143A CN 2011102880939 A CN2011102880939 A CN 2011102880939A CN 201110288093 A CN201110288093 A CN 201110288093A CN 102446143 A CN102446143 A CN 102446143A
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- ipad
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- usb
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Abstract
A method for avoiding USB identification during connecting a camera with an iPad comprises the following steps: a recognition differentiation module is additionally arranged at a data interface; when the camera is connected with the iPad via the data interface, the iPad differentiates between the camera and a USB device via the recognition differentiation module; and the recognition differentiation module is a 28 kilo-ohm or 549 kilo-ohm resistor R. By adopting the technical scheme, the camera does not to be identified to the USB device when the camera is connected wit the iPad, so that the key problem of utilizing the iPad to upload photos in a micro-blog is solved.
Description
Technical field
The present invention relates to method of discrimination, avoid the method for USB identification when particularly camera is connected with ipad.
Background technology
When Ipad is connected to its USB interface at any external equipment, all can open Photo album automatically, this is that the curing of Apple iOS is set and can't be changed; And will camera be regarded as USB device in this synchronizing process, and Photo album program does not have the function of photo upload, makes the function of photo upload to microblogging; Therefore; The photo of camera is uploaded on the microblogging through ipad, when ipad is connected with camera, be not identified as USB disc equipment to camera.
Summary of the invention
The present invention just provides a kind of method that solves the problems of the technologies described above, and adopts the method that adds the identification discrimination block, makes ipad camera is not identified as USB disc equipment.
The present invention avoids method that USB discerns when realizing that above-mentioned purpose provides camera to be connected with ipad and is included in and adds one on the data-interface and debate the knowledge discrimination block; When camera is connected through this data-interface with ipad; Ipad debates the knowledge discrimination block through this camera and USB device is differentiated; Said data-interface is a USB interface, saidly debates that to know discrimination block be resistance R, and the resistance of said resistance R is 28K Ω.
Said debating known discrimination block and added and be located between camera main control module and the data-interface, and said and resistance resistance R are 549K Ω.
The present invention adopts above-mentioned technical scheme, make needn't worry to be identified as USB device when camera is connected with ipad, has solved camera is uploaded the microblogging photo through ipad key issue.
Description of drawings
Fig. 1 is the principle of work synoptic diagram that the present invention adopts 28K Ω resistance.Fig. 2 is the principle of work synoptic diagram that the present invention adopts 549K Ω resistance.
Embodiment
In conjunction with above-mentioned description of drawings specific embodiment of the present invention.
By knowing among Fig. 1 and Fig. 2; The method of avoiding USB identification when this camera is connected with ipad is included in and adds one on the data-interface and debate the knowledge discrimination block; When camera is connected through this data-interface with ipad; Ipad debates the knowledge discrimination block through this camera and USB device is differentiated, and said data-interface is a USB interface.The present invention adds an identification discrimination block, changes the native mode of USB interface, makes ipad the camera approval is not USB disc equipment, for realizing that photo can upload to microblogging through ipad and lay technical foundation.
By can knowing among Fig. 1 and Fig. 2, this debating known the easiest method of discrimination block and adopted resistance R exactly, and this resistance R can adopt to be walked around camera main control module (microcontroller chip) and directly connect camera, and the resistance of said resistance R is 28K Ω.Also can adopt to debate and know discrimination block and add and be located between camera main control module and the data-interface; Said and resistance resistance R is 549K Ω; Make that the agreement with USB flash disk equipment is connected between camera and the ipad, this dual mode all can realize changing the purpose of the native mode of USB interface.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (6)
1. avoid the method for USB identification when a camera is connected with ipad; It is characterized in that: this method is included in and adds one on the data-interface and debate the knowledge discrimination block; When camera was connected through this data-interface with ipad, ipad debated the knowledge discrimination block through this camera and USB device is differentiated.
2. method according to claim 1 is characterized in that: said data-interface is a USB interface.
3. method according to claim 1 is characterized in that: saidly debate that to know discrimination block be resistance R.
4. according to each described method in the claim 1 to 3, it is characterized in that: said debating known discrimination block and added and be located between camera main control module and the data-interface.
5. according to each described method in the claim 1 to 3, it is characterized in that: the resistance of said resistance R is 28K Ω.
6. method according to claim 4 is characterized in that: said and resistance resistance R is 549K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102880939A CN102446143A (en) | 2011-09-26 | 2011-09-26 | Method for avoiding USB identification during connecting camera with iPad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102880939A CN102446143A (en) | 2011-09-26 | 2011-09-26 | Method for avoiding USB identification during connecting camera with iPad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102446143A true CN102446143A (en) | 2012-05-09 |
Family
ID=46008650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102880939A Pending CN102446143A (en) | 2011-09-26 | 2011-09-26 | Method for avoiding USB identification during connecting camera with iPad |
Country Status (1)
| Country | Link |
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| CN (1) | CN102446143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1650249A (en) * | 2002-12-27 | 2005-08-03 | 富士通株式会社 | USB device and method for controlling USB device |
| CN101030189A (en) * | 2007-03-09 | 2007-09-05 | 华为技术有限公司 | Method for inspecting connected peripheral apparatus mode, terminal, earphone, charger and USB interface |
| GB2473123A (en) * | 2009-09-01 | 2011-03-02 | Apple Inc | Method for personal computing devices to determine if they should act as the host or the peripheral, when connected to another device. |
-
2011
- 2011-09-26 CN CN2011102880939A patent/CN102446143A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1650249A (en) * | 2002-12-27 | 2005-08-03 | 富士通株式会社 | USB device and method for controlling USB device |
| CN101030189A (en) * | 2007-03-09 | 2007-09-05 | 华为技术有限公司 | Method for inspecting connected peripheral apparatus mode, terminal, earphone, charger and USB interface |
| GB2473123A (en) * | 2009-09-01 | 2011-03-02 | Apple Inc | Method for personal computing devices to determine if they should act as the host or the peripheral, when connected to another device. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
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Application publication date: 20120509 |