CN100379263C - Digital camera - Google Patents
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- CN100379263C CN100379263C CNB2005101184925A CN200510118492A CN100379263C CN 100379263 C CN100379263 C CN 100379263C CN B2005101184925 A CNB2005101184925 A CN B2005101184925A CN 200510118492 A CN200510118492 A CN 200510118492A CN 100379263 C CN100379263 C CN 100379263C
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Abstract
A bus connected to a control microcomputer (6) is connected to an operation input block (7), a buffer memory (8), a recording medium (9), and a single USB controller (10). A USB connector (11) is connected to the USB controller (10). The USB controller (10) as hardware is adapted to a single interface and can transfer data from the buffer memory (8) to the USB controller (10) by a processing of the control microcomputer (6) using one of the PTP and the mass storage class interface as the USB interface. Using the operation input block (7), a user sets the USB interface by operating a switch and by using menu display. Selection information for the set content is stored in a memory of the control microcomputer (6).
Description
The application be that April 5, application number in 2002 are 02801700.5 the applying date, denomination of invention divides an application for the patent application of " digital camera and data transferring method ".
Technical field
The present invention relates to optionally to use a kind of digital camera that a plurality of USB (USB) connect and relate to and be used to send from the data of this digital camera to a kind of data transferring method such as the main frame of personal computer.
Background technology
USB is used to connect a kind of interface of personal computer to peripheral device.USB has almost substituted traditional serial port and parallel port.Used USB as a kind of interface that will be sent to such as the numerical data of still frame of taking by digital camera and low bit rate motion picture via it on personal computer.Usually, in digital camera, captured picture data is recorded in the removed storage medium such as storage card.
Picture file in the storage card that will be recorded in digital camera sends in the situation of personal computer, if digital camera is to have the USB mouth, when directly being connected to personal computer on via the USB cable this digital camera, the image file that is recorded in the storage card can be sent to personal computer from digital camera.
As a kind of standard usb interface of digital camera, there is standard about mass memory class interface and rest image class interface.Via the mass memory class interface, personal computer is identified as a kind of medium that removes with digital camera.Via the rest image class interface, personal computer is identified as the one scan instrument with digital camera.Thus, depend on how personal computer discerns an equipment, have two kinds of different classes.The mass memory class interface has regulation in " Universal Serial Bus Mass Storage Class SpecificationOverview (Revision 1.1; June 28,2000 (USB mass storage class specification general introduction on June 28th, 2,000 1.1 editions) ".
So far, also the issue can use two kinds of interfaces simultaneously or select they one of video camera.This is not need to provide the video camera of handling this two kind because consider.In addition, when video camera is only handled single USB interface, can reduce its cost and circuit scale.On the contrary, personal computer can be handled any classification.Bundled device driver therein corresponding to a classification of digital camera.The device driver of this binding is installed on the personal computer.
In addition, it is known having the digital camera that is used to write down the function of a plurality of different-format files to the recording medium.For example, having advised can records photographing picture (key frame) and the Email size picture digital camera to the recording medium.As another embodiment, advised having the digital camera that is used to write down key frame and the speech memorandum function to the recording medium.Hereinafter, sometimes, key frame is called as master file; Be called as subfile with the master file file associated.
When using traditional mass memory class interface, because being identified as one, digital camera can remove medium, so the user need manage this catalogue.For example, in storage card, create a file " Dcim ".In file " Dcim ", create sub-folder " 100msdcf ".In sub-folder " 100msdcf ", store for example picture file of JPEG (JPEG (joint photographic experts group)).The filename of picture file is that (on behalf of a kind of image compression format (for example .jpg)), it form by for example " dsc "+5 bit digital+extension name.Digital camera has and is used to create still frame file and both functions such as speech memorandum, Email picture.They are stored in other file.Unless the user knows such bibliographic structure, otherwise he or she can not easily search for and operate the file of expectation.
In addition, in the digital camera body, key frame is stored in the different files with the Email subfile.Thus, when comparison document, filename and record date/time data, can key frame is related with subfile.When utilizing traditional mass storage class USB interface will be recorded in data in the recording medium when being sent to personal computer, the bibliographic structure of digital camera can be sent on the personal computer according to former state.In this case, the user should utilize folder name, filename, record date/time data or the like search to relate to the subfile of key frame file.Thus, the user can easily know the relation of these files.
Recently, advised PTP (picture host-host protocol) corresponding to the higher level of still frame class interface as being created by PIMA (take a picture and company of imaging producer association).This standard is handled the data communication system that is used for digital camera and scanner.In this system, do not need to consider bibliographic structure, the user can easily gather picture file is selected expectation to personal computer and on this personal computer file.For example, described PTP has the function of the thumbnail pictures of display frame file.Thus, when USB interface is used for digital camera and easily operates them to allow the user, preferably use PTP.
Yet, in PTP, be not that the data (for example, voice data) of picture data can not record on the storage card of digital camera from personal computer.On the contrary, not that the data of picture data can not collect on the personal computer.In addition, owing to PTP is supported by new OS (operating system) rather than old OS.Thus, when only using PTP, need to make this old OS to support PTP.Thus, for example, need be this old OS development equipment driver from the beginning.Resultant costs has risen.
In addition, in PTP, the bibliographic structure that is recorded in the file in the recording medium can not be sent on the personal computer.Picture data and subfile can transmit as the data of same type.Thus, utilize the data that transmit corresponding to PTP, the user can not easily know the relation of key frame file and subfile.
Summary of the invention
First purpose of the present invention be to provide a kind of can be with the digital camera of at least two kinds of USB interface of low-cost processes.
Thus, second purpose of the present invention provides to be used USB interface and allows the user easily to know a kind of digital camera and a kind of data transferring method of the relation of the two or more associated documents on personal computer, wherein via this USB interface, picture data transmits as PTP and does not consider the bibliographic structure of recording medium.
In order to finish aforementioned target, the data that the invention provides a kind of records photographing picture comprise: control section to removing recording medium and read the digital camera of picture data from this recording medium; Operation input section, the output function signal is to described control section; Buffer storage is controlled and is read from described recording medium by described control section; And single USB controller, by described control section control; Wherein said operation inputting part component selections first USB interface or second USB interface, and the selection information of representing selected interface can be stored in the described control section, and wherein when described control section receives transmission request from described USB controller, described control section sends data from described buffer storage corresponding to described selection information to described USB controller via described first USB interface or described second USB interface.
The hardware handles individual interface of described USB controller.Described control section can be handled two types USB interface.Thus, this hardware size can not increase.
The present invention also provides the data of the captured picture of record to read a kind of digital camera of picture data to recording medium and from this recording medium, comprising: picture processing section, the picture of processing screened; Control section; Operation input section, the output function signal is to described control section; And the USB controller, by described control section control, and form USB interface; Wherein make and be created corresponding to the relevant subfile of the master file of captured picture by the predetermined screening-mode of described operation input section setting, wherein said control section writes down described master file and subfile to recording medium, and when wherein master file in being stored in recording medium and subfile transmit via USB interface, in the data that transmit, create file.
The present invention also provides a kind of data transferring method, comprises step: create with corresponding to be scheduled to the relevant subfile of master file of the captured picture of screening-mode; Write down described master file and subfile to recording medium, and transmit the described master file and the subfile that are stored in this recording medium via USB interface and arrive host computer side, wherein in the data that transmit, create file.
When data corresponding to PTP for example when digital camera is sent on the personal computer via USB interface because can create file, the user can easily know the relation of the data that are sent to personal computer.
Description of drawings
Fig. 1 illustrates the schematic diagram that digital camera according to the present invention is connected the structure on the personal computer;
Fig. 2 is the block diagram that illustrates according to the structure of the digital camera of an example of the present invention;
Fig. 3 A illustrates the schematic diagram of embodiment of selecting a pattern dialer of USB interface according to an example of the present invention;
Fig. 3 B illustrates the schematic diagram of embodiment that an example according to the present invention is used to select the menu of USB interface;
Fig. 3 C is illustrated in the schematic diagram of carrying out the embodiment that confirms an operation menu afterwards;
Fig. 4 is the flow chart that the USB interface hand-off process is shown;
Fig. 5 is used to explain the flow chart that is used for according to the processing of another example establishment file table according to the present invention;
Fig. 6 is the schematic diagram that illustrates according to the embodiment of the file table of other example of the present invention;
Fig. 7 A illustrates the schematic diagram of the relation between FileNo (file number) and ObjectHandle (object handle) according to another embodiment of the present invention;
Fig. 7 B illustrates the embodiment that is converted into the object handle of master file, subfile and file according to the wherein file number of another example of the present invention;
Fig. 8 is the schematic diagram that bibliographic structure according to another embodiment of the present invention is shown;
Fig. 9 illustrates screening-mode according to another embodiment of the present invention and the schematic diagram of the filename that transmitted;
Figure 10 is the schematic diagram corresponding to the transfer structure of PTP that illustrates according to another embodiment of the present invention;
Figure 11 is the schematic diagram that illustrates corresponding to the employed part operation of PTP;
Figure 12 is the schematic diagram that is used to explain the operation of having carried out when personal computer has been connected with digital camera;
Figure 13 is the schematic diagram that is used for explaining the operation that is used for GetObjectHandle (obtaining object handle);
Figure 14 is the flow chart that the connection processing (PTP initialization process) according to another example of the present invention is shown;
Figure 15 illustrates the flow chart of handling (operational processes) according to " GetObjectHandle (the obtaining object handle) " of another example of the present invention;
Figure 16 illustrates the flow chart of handling according to another example of the present invention " obtaining object information ";
Figure 17 is the schematic diagram that is used for explaining " GetObject (obtaining object) " operation;
Figure 18 illustrates the flow chart of handling according to another example of the present invention " obtaining object ";
Figure 19 is the schematic diagram that illustrates according to the data structure of the object handle of another example of the present invention;
Figure 20 is the schematic diagram that illustrates according to a data structure of the object information data of another example of the present invention;
Figure 21 is the schematic diagram that illustrates according to the data structure of the object information data of another example of the present invention; And
Figure 22 is the schematic diagram that illustrates according to the tabulation that is sent to the data on the personal computer of another example of the present invention.
Embodiment
Then, an example of the present invention will be described.According to this example, the picture file that is write down by digital camera can be sent on the personal computer from this digital camera.That is, as shown in Figure 1, utilize USB line 101 that usb host (personal computer) 100 and the digital camera 102 with USB port are coupled together.Being recorded in the picture file that can remove in the recording medium 102 (for example being configured in the storage card in the digital camera) is sent on the personal computer 100 from this digital camera.
Fig. 2 shows the system configuration of digital camera 102.In Fig. 2, numbering 1 is represented CCD (charge coupled device).The pixel quantity of CCD1 (Horizontal number of pixels * Vertical number of pixels) is for example 1800 * 1200.Can be from all kinds the pixel count of the picture (colour picture) taken be selected the pixel count of the picture of record.CCD1 exports the image of captured object as captured picture signal via the lens (not shown).The lens component of CCD1 is carried out auto iris control operation and auto focus control operation.Captured picture signal can be provided to video camera piece 2.
Picture signal is provided on the display device 4 from video camera piece 2.Display device 4 shows captured picture.In addition, display device shows the picture that reads from recording medium 9 via control microcomputer 6.And display device 4 shows the menu screen that is used to the pattern that is provided with.Recording medium 9 is a kind of media that remove, for example, and storage card, floppy disk or CD-R.
On control microcomputer 6, connected bus.The USB controller 10 of operation input section 7, buffer storage 8, recording medium 9 and processing individual interface is connected on this bus.Be connected to USB connector 11 at USB controller 10.The control information meeting is provided to each part from control microprocessor 6.Corresponding to this control information, this picture data of each section processes.Corresponding to this control information, data can be written to picture memory 5 with buffering memory 8 and from wherein reading.In addition, corresponding to this control information, data can be written to recording medium 9 and from wherein reading.
When the user pushed console switch such as the pattern dialer of operation input section 7, control microprocessor 6 detected these and makes picture processing block 3 that a pattern is write on picture memory 5 and the display device 4 to show a menu.When the console switch of the directionkeys of user operation such as operation input section 7 and acknowledgement key, display device 4 shows a plurality of functions that will be provided with and be provided with.At this some place, can be stored in the memory of described control microcomputer 6 corresponding to the selection information of this setting that has been performed.
The USB controller 10 that is connected on the USB connector 11 is connected on the control microprocessor 6 via bus.6 pairs of USB controllers of control microprocessor 10 send data and receive data from USB controller 10, and the personal computer 100 that is connected to usb 11 with utilization is finished data transport functions via cable 101.When the data in being stored in recording medium 9 are sent to personal computer 100, control microcomputer 6 receives the request of transmission from USB controller 10, and transmits the data that are stored in the recording medium 9 corresponding to the selection information that has been provided with and arrive personal computer 100.
Then, referring to Fig. 3, description is provided with the embodiment of USB interface.As shown in Figure 3A, configuration mode dialer 21 on the casing of digital camera body.This pattern dialer 21 can be dialled commentaries on classics by the user.When forwarding 21 groups of pattern dialers to have mark 23 " setting " position 22, digital camera just places the pattern of setting.
Be provided with in the pattern at this, display device 4 is the display mode choice menus shown in Fig. 3 B.Among the embodiment shown in Figure 3, this menu comprises setting option " LCD brightness ", " buzzer ON/OFF ", " video output formats " and " USB interface ".Utilize the directionkeys (not shown), can be in the direction of upper and lower, left and right movement indicia (vernier, oppositely display frame, highlighted display frame, special color frame etc.).When carrying out the affirmation operation, selected setting option becomes effectively.For example, use criss-cross key as directionkeys.When pushing the core of this criss-cross key, selected setting option becomes effectively.In the embodiment shown in Fig. 3 B, selected " USB interface " as the setting option on this menu.
When carrying out the affirmation operation, shown in Fig. 3 C, shown two types USB interface with the state shown in Fig. 3.Can select " PTP " or " normally " as one of two types of USB interface.As mentioned above, " PTP " representative is corresponding to the standard usb interface of rest image class interface." normally " represents the mass storage class interface standard.Utilize directionkeys and confirm operation, the user can determine the USB interface of he or her expectation.Selection information corresponding to the USB interface that is determined can be stored on the control microcomputer 6.
Described USB interface method to set up is not limited to aforesaid menu display method.Although used pattern dialer 21 to switch to screening-mode or reproduction mode, yet when digital camera was connected via USB interface with personal computer, it was insignificant switching to screening-mode or reproduction mode.Thus, be connected in the state of personal computer, when being placed on pattern dialer 21 in the screening-mode position, a kind of pattern of " PTP " for example can be set at digital camera.Similarly, when pattern dialer 21 is placed in the reproduction mode position, another pattern of " normally " for example can be set.Perhaps, " normally " for example can be set as default USB interface.
Fig. 4 is the flow chart of the processing carried out by control microcomputer 6 when data in being stored in recording medium 9 being shown being sent to personal computer.At step S101 place, from USB controller 10, send to send a request to and control on the microcomputer 6.At step S102 place, control microcomputer 6 provides the selection information of USB interface to internal storage.Control microcomputer 6 transmits and is stored in the data of recording medium 9 on buffer storage 8.
When USB interface is " PTP ", at step S103 place, utilize " PTP " method, the data that are stored in the buffer storage 8 can be sent on the USB controller 10.Similarly, when USB interface is " normally " (mass memory class interface), at step S104 place, utilize " normally " method, the data that are stored in the buffer storage 8 can be sent on the USB controller 10.This USB controller 10 transmits the data that receive from control microcomputer 6 to personal computer via USB connector 11 and USB cable.
When USB interface was " PTP ", the bibliographic structure of the file of recording medium 9 etc. can not be sent on the personal computer.Thus, image information obtains transmission and does not consider its type.Thus, the user can not easily know the relation of key frame information and out of Memory.
Then, the digital camera that easily is identified in the relation of a plurality of associated documents on the personal computer as the use PTP of another example of the present invention as USB interface and permission user will be described with reference to the drawings.According to the connection of this digital camera of another example of the present invention and structure with according to the digital camera of the previous examples shown in Fig. 1 and 2 be connected and structure is identical.
According to another example of the present invention, the picture file that is write down by digital camera can be sent on the personal computer from digital camera.That is, as shown in Figure 1, the digital camera 102 that utilizes USB line 101 directly to connect usb host (personal computer) 100 and have USB port.The picture file that is recorded in the removed recording medium that for example is arranged in the storage card on the digital camera 102 can be sent on the personal computer 100 from digital camera 102.
According to this another example, corresponding to the PTP based on the rest image class interface, data are sent to personal computer 100 from digital camera 102.In order to accomplish these, the application program (this application software can be bundled among the OS (operating system)) corresponding to described PTP and folder structure has been installed on personal computer 100.
Fig. 2 shows the system configuration of digital camera 102.In Fig. 2, numbering 1 is represented CCD (charge coupled device).The pixel quantity of CCD1 (Horizontal number of pixels * Vertical number of pixels) is for example 1800 * 1200.The pixel count of the picture (colour picture) that can take relatively from all kinds is selected the pixel count of the picture of record.CCD1 exports the image of captured object as captured picture signal via the lens (not shown).The lens component of CCD1 is carried out auto iris control operation and auto focus control operation.Captured picture signal can be provided to video camera piece 2.
Picture signal can be provided on the display device 4 from video camera piece 2.Display device 4 shows captured picture.In addition, display device 4 shows the picture that reads from recording medium 9 via control microcomputer 6.And display device 4 shows the menu screen that is used to the pattern that is provided with.Recording medium 9 is a kind of media that remove, for example, and storage card, floppy disk or CD-R.
When being provided with email mode, it for example is CIF (CLV Common Intermediate Format, 320 * 320 pixels) format picture and less than the Email subfile corresponding to the key frame of the compression of jpeg format that picture processing block 3 is created.Picture processing block 3 with key frame and Email subfile as different files writing recording mediums 9 simultaneously.In the speech memento pattern, except key frame, picture processing block 3 with it as on the subfile writing recording medium 9 of speech from the input of microphone (not shown) corresponding to the mpeg format compression.
According to another example of the present invention, one of Email subfile and speech memory subfile can be created with master image.The Email subfile has the filename identical with key frame.This Email subfile can be stored in the file of the file that is different from key frame and speech memorandum subfile.Similarly, speech memorandum subfile can be stored in the file that is different from key frame and Email subfile.Camera body is to key frame allocate file number.Utilize the document number of being distributed, this camera body management key frame.In addition, camera body utilizes file, their title, record date/time data or the like to determine the relation of subfile and key frame.Camera body is to key frame allocate file number and do not consider its filename.
The USB controller 10 that is connected on the USB connector 11 is connected on the control microcomputer 6 via a bus.Control microcomputer 6 sends data on the USB controller 10 and from wherein receiving data, so that utilize the personal computer 100 that is connected on the USB connector 11 to finish data transport functions via the cable 101 corresponding to PTP.
Fig. 5 shows the profile of the processing of being carried out by control microcomputer 6, and in this case, the data that are stored in the recording medium 9 can be sent on the personal computer 100.When control microcomputer 6 detects personal computer and has been connected to USB connector 11,, carry out the processing of USB joint detection at step S111 place.At step S112 place, control microcomputer 6 is for being stored in the document creation file table of recording medium 9.The file table of creating is stored in the buffer storage 8.
This document table comprises the relation of representing key frame and subfile and corresponding to the type of this subfile of file, their institute's titles, record date/time data or the like.Fig. 6 shows the embodiment of file table.
In Fig. 6, the key frame of document number identification record on recording medium 9.Be each key frame document creation file type information by the filename sign.This document type information has one of three kinds of values.When this document type information was 0, it was represented at present without any subfile.When this document type information was 1, its representative presented the Email subfile.When this document type information was 2, its representative presented speech memorandum subfile.
This document table always is not stored.Replace, only when digital camera is connected via USB interface with personal computer, create this document table.Thus, when digital camera was not connected via USB interface with personal computer, buffer storage 8 can access effectively and use.As a result, the capacity that does not need to increase buffer storage 8 just can be realized the function of this document table.When this document table was created, camera body can not be handled the request to the file that sends from personal computer.In order to address this problem, send the USB connection request before the personal computer at camera body, create processing at step S112 place execute file table.
Step S112 place finish described table create handle after, flow process advances on the step S113.At step S113 place, the USB connection request can be issued on the personal computer.At this some place, personal computer is identified as USB device with video camera, and transmission sends a request to USB controller 10.
This transmission request meeting sends on the control microcomputer 6 via USB controller 10.When control microcomputer 6 received this and transmits request, control microcomputer 6 transmitted about the information of recording medium 9 and the data of wherein storing on buffer storage 8 corresponding to this type that transmits request.
According to this another example, when having the subfile relevant, create the virtual folder that the user can discern corresponding to the PTP agreement with picture file.That is, each file is added attribute data, make personal computer can be identified in relevant two files in the same file folder (these relevant two files for example be key frame file and Email subfile or key frame file and speech memorandum).When creating file, the aforementioned document table is referenced.
Fig. 7 shows the profile of such processing.Digital camera utilizes document number supervisory frame data.Corresponding to PTP, picture data is with the number administration that is called as object handle.Document number be denoted as 0x0001,0x0002 ... 0x000n ... 0x000m, wherein 0x represents hexadecimal.Each document number is represented by two bytes.
In order to transfer data on the personal computer corresponding to PTP, document number will be converted to object handle.In this case, shown in Fig. 7 A, when having the subfile relevant with picture file, create file and make personal computer can discern two kinds of files, promptly master file and subfile are stored in the same file folder.File is to represent with high-order two bytes " z000 " of object handle.Master file is to represent with high-order two bytes " 0000 " of object handle.Subfile is to represent with high-order two bytes " 000z " of object handle.
In this embodiment, the z representative is with the value of the file type of the file table of aforementioned manner establishment.In this embodiment, when z=1, there is the Email subfile.When z=2, there is speech memorandum subfile.When z=0, there is not any subfile.Thus, when z=2, do not create file.
Fig. 7 B illustrates the embodiment of the situation when having the subfile that is relevant to master file, and the document number of this master file is converted into the object handle of the object handle of this master file, this subfile and the object handle of this document folder.Object handle, the object handle of this master file and the object handle of this subfile of this document folder are sent out continuously.By being used for the shielding processing with the addition of object handle and " 0x0000FFFF ", this object handle can be converted into document number.
Then, will describe this another example in detail.Fig. 8 shows at the bibliographic structure of the data that are stored in digital camera with corresponding to the relation between the directory/file name of PTP.In digital camera, in catalogue " DCIM ", create subdirectory " 100MSDCF " according to this another example.In subdirectory " 100MSDCF ", the storage key frame is as still frame.Key frame file (master file) is stored in the subdirectory.
In local picture catalogue " MSSONY ", create Email picture and TIFF picture subdirectory " IMCIF100 ", voice file subdirectory " MOMLV100 " and motion picture subdirectory " MOML0001 ".In each subdirectory, the storage subfile.In addition, " MISC " creaties directory.
Catalogue and subdirectory correspond respectively to file and sub-folder.By the mass memory class interface, for example, the bibliographic structure shown in Fig. 8 can be sent on the personal computer.Yet in this case, when the user did not know this bibliographic structure, he or she can not easily search for the file of expectation and the relation of identification master file and subfile.
For example, the file that is surrounded by two frames optionally transmits corresponding to PTP.Perhaps, All Files can be sent on the personal computer in the concentrated area.Numbering representation file in bracket number.Digital camera is managed each file with file number.Among the embodiment shown in Figure 8, in the file that transmits corresponding to PTP, master file that its document number is identical " DSC00002.JPG " and subfile (Email picture) " DSC00002.JPG " are associated documents.In addition, master file " DSC00003.JPG " and subfile (speech memorandum) " SDC00002.MPG " are associated documents.In digital camera, these files are stored in the different directories (file).Traditionally, corresponding to PTP, these files can obtain transmission and not consider its type.On personal computer, need the relation between these files of identification and their filename.
Yet,, create virtual folder to represent the relation of these files according to the present invention.
Fig. 9 illustrates corresponding to the master file of PTP transmission and the filename of subfile.The screening-mode that the logging mode representative of consumer has been provided with operation input section 7.In normal mode, only the key frame of the natural picture of Pai Sheing (master file) can be recorded on the recording medium 9.In email mode, Email picture (subfile) both of key frame and minification can be recorded on the recording medium 9.In the speech memento pattern, key frame and conduct can be recorded on the recording medium 9 corresponding to speech memorandum (subfile) both of mpeg format compressed voice data.In addition, can select tiff format pattern, text screening-mode or the like.
Figure 10 shows the structure of the file that transmits corresponding to aforementioned PTP.When having master file and subfile, the file that has corresponding to the title of this document name is created.When this document name was " DSC00002.JPG " (filename of master file) and " DSCA0002.JPG " (filename of Email subfile), " DSC00002 " that from this document name its extension name removed was used as this document name.When filename was " DSC00003.JPG " (filename of master file) and " DSCA0003.MPG " (filename of speech memorandum subfile), file " DSC00003 " was created.
Figure 11 shows part operation and the meaning of stipulating in the standard that is used for PTP thereof.Each operation is a kind of order that sends to digital camera from personal computer.Each operation is two syllabified codes.For example, operation " GetObjectHandle (obtaining object handle) " makes personal computer remove to obtain object handle from digital camera.Corresponding to PTP, before picture data is sent to personal computer from digital camera, the processing that need be used to obtain facility information, object handle and object information.
Figure 12 shows the embodiment in digital camera and situation that personal computer is connected.In this embodiment, personal computer is usb host and manages this agreement.The personal computer transmit operation is to digital camera and in response to the incident that receives from this digital camera.This digital camera is in response to the operation that receives from personal computer.
Digital camera on being connected to personal computer has been carried out after the PTP initialization process, and digital camera is notified to personal computer with this connection.After personal computer had detected this connection, personal computer was that digital camera is carried out USB device identification processing.Thereafter, personal computer is carried out the PTP processing.These processing are represented by the USB connection processing among Figure 12.
Thereafter, transmit operation from personal computer " GetDeviceInfo (obtaining facility information) " is to digital camera.This operation " is obtained facility information " and is used to obtain equipment (video camera) information.Digital camera sends this facility information to personal computer.This facility information is respective operations, corresponding incident, corresponding picture format or the like.
Thereafter, transmit operation from personal computer " OpenSession (opening session) " is to digital camera.This operation " is opened session " and is used to begin session.In operation " opening session ", send session id (identifier).Thereafter this operation sends on the digital camera from personal computer.Digital camera sends data and replying on the personal computer corresponding to receive operation.After personal computer was finished the PTP processing, this personal computer transmit operation " CloseSession (closing session) " was to digital camera.Thereafter, this session is finished.
Figure 13 shows the embodiment of attended operation.Operation " obtaining object handle " sends to digital camera from personal computer.Picture file number " is obtained object handle " and is used to obtain in this operation.Digital camera will send on the personal computer at the object handle of all objects in the recording medium 9.To liking the picture file that reproduces by video camera.Thereafter, personal computer " obtains object information " for each object sends operation.Digital camera turns back to the fileinfo (object information) of requested object on the personal computer.
The document number that object handle is handled corresponding to digital camera.Yet PTP does not have the notion of subfile.Thus, need to create the object handle of subfile.When having subfile, also create object handle for file.
Filename is a double byte data, and object handle is the nybble data.Thus, as described in reference to figure 7, with low order two bytes of object handle as document number.Thus, when with 0x0000FFFF shielding object handle, this object handle can easily be converted to document number.High-order two byte regions of enough its object handles of energy are divided file and subfile.When being not 0, just determine that this object handle is a file with 0xF0000000 shielding object handle and conductively-closed position.When being not 0, just determine that this object handle is a subfile with 0x000F0000 shielding object handle and conductively-closed position.For file type, for example Email subfile and speech memorandum subfile are assigned to 1 and 2 respectively.Referring to the file table, these object handles are created.The object handle of the object handle of file, the object handle of key frame and subfile sends on the personal computer continuously.
When operating " obtaining object information " when sending to digital camera, the fileinfo (ObjectInfo) that the indication party resembles handle sends on the personal computer.When object handle was file, this object handle can enough 0xF0000000 shieldings.In this case, do not send on the personal computer with filename (folder name) and this document date information of extension name.
When object handle is subfile, can shield this object handle by enough 0 * 000F0000.In this case, assign parent folder (parent object).When in this object information, comprising this parent object, also can assign parent folder.As a result, personal computer is discerned this picture and is stored in this document folder.This parent object is an attribute data.In order easily from key frame, to distinguish parent object, this parent object is handled as the object that the icon that does not have thumbnail or video camera to have substitutes.When the filename of the filename of parent object and key frame was identical, the partial document name was changed so that the filename of this parent object is different from the filename of this key frame.
Except above situation, assign key frame (master file).In this point, determine whether to exist subfile.When having subfile, assign parent folder (parent object).
Then, with the processing of describing in detail corresponding to PTP.Figure 14 is the flow chart that the PTP initialization process is shown.At step S1 place, initial value (1) is provided with to variable i.At step S2 place, determine whether i is maxFileNo (maximum document number).As i during, finish this processing greater than maximum document number.Otherwise flow process advances to step S3 place.At step S3 place, obtain the fileinfo of document number i.
At step S4 place, determine whether this document is the Email subfile.When this document was the Email subfile, flow process advanced to step S7.At step S7 place, array [i]=1 is set.When this document was not the Email subfile, flow process advanced to step S5.At step S5 place, determine whether this document is VoiceMemo (speech memorandum) subfile.When this document was speech memorandum subfile, flow process advanced to step S8 place.At step S8 place, array [i]=2 is set.When determining at step S5 place that result for not the time, knew the file of this article piece number i neither the Email subfile neither speech memorandum subfile very much.In this case, flow process advances to step S6.At step S6 place, array [i]=0 is set.
Described initialization process is equivalent to and creates processing with reference to figure 5 and the 6 file tables of describing.At step S9 place, variable i increases progressively 1.Thereafter, flow process turns back to step S2.
Figure 15 is the flow chart that illustrates corresponding to the processing of operation " obtaining object handle ".Step S11 place shown in Figure 15 is provided with initial value (1) to variable i.At step S 12 places, with the maximum comparison of i and document number.When variable i during greater than this maximum document number, this is finished dealing with.When variable i was equal to or less than this maximum document number, flow process advanced to step S13.At step S13 place, determine whether " sending son request (sendSubReq) " is 2.When being 2, flow process advances to step S14 when " sending the son request ".At step S14 place, object handle (ObjectHandle)=1 is set.Thereafter, flow process turns back to step S12." send son request " is the temporary variable that storage has the object handle of the same file that will send continuously number.When carrying out this processing, the initial value of " sending the son request " is 0.
When the definite result at step S13 place represents that " sending the son request " when being not 2, flow process advances to step S15.At step S15 place, determine whether " sending the son request " is 1.When being 1, flow process advances to step S16 when " sending the son request ".At step S16 place, determine whether array [i]=1.When array [i]=1, flow process advances to step S18.At step S18 place, object handle=0x00010000+i, and setting [" sending the son request "=0].Thereafter, flow process turns back to step S12.This object handle is the Email subfile as a result."+i " expression is used for this article piece number is joined the operation of this object handle.
When the definite result at step S16 place represents array [i] when being not 1, flow process advances to step S17.At step S17 place, determine whether array [i]=2.When array [i]=2, flow process advances to step S19.At step S19 place, object handle=0x00020000+i, and setting [" sending the son request "=0].Thereafter, flow process turns back to step S12.As a result, this object handle is a speech memorandum subfile.When the definite result at step S17 place represents array [i] when being not 2, flow process also turns back to step S12.
When the definite result at step S15 place represents that " sending the son request " when being not 1, flow process advances to step S20.At step S20 place, determine whether array [i]=1.When array [i]=1, flow process advances to step S23.At step S23 place, object handle=0x10000000+i, and setting [" sending the son request "=2].Thereafter, flow process turns back to step S12.As a result, this object handle is an e-mail folder.
When the definite result at step S20 place represents array [i] when being not 1, flow process advances to step S21.At step S21 place, determine whether that array [i] is 2.When array [i]=2, flow process advances to step S24 place.At step S24 place, object handle=0x20000000+i, and setting [" sending the son request "=2].Thereafter, flow process turns back to step S12.As a result, this object handle is a speech memo file folder.When the definite result at step S21 place represents array [i] when being not 2, flow process advances to step S22 place.At step S22 place, object handle=1 is set.Thereafter, flow process turns back to step S12.
Figure 16 is the flow chart that illustrates corresponding to the processing of operation " obtaining object information ".Step S31 place shown in Figure 16 shields this object handle (with handling) with 0x0000FFF.As a result, assigned document number.At step S32 place, shield this object handle with 0x000F0000.When the result at step S32 place was not 0, this object handle was a subfile.
When the definite result at step S32 place represented that this object handle is subfile, flow process advanced to step S33.At step S33 place, obtain subfile information.At step S24 place, shield this object handle with 0x00010000.When the result at step S34 place is 1, just determine that this subfile is the Email subfile.In this case, flow process advances to step S36.At step S36 place, e-mail data is set.That is, in this case,, this subfile is handled as the subfile that does not have thumbnail in order easily from master file, to distinguish this subfile.In addition, assign parent folder (parent object).This parent object is assigned by the 0x10000000+ document number.This is finished dealing with.
When the definite result at step S34 place represented that this subfile is not the Email subfile, flow process advanced to step S35.At step S35 place, shield this object handle with 0x00020000.When the result at step S35 place is 2, determine that this subfile is a speech memorandum subfile.In this case, flow process advances to step S37.In step S37, the speech memo data is set.That is, in this case, this subfile is handled as the subfile that does not have thumbnail.In addition, assign parent folder (parent object).This parent object is assigned by the 0x20000000+ document number.This is finished dealing with.When the definite result at step S35 place represented that this subfile is not the speech memo file, this processing was also finished.
When the definite result at step S32 place represented that this object handle is not subfile, flow process advanced to step S38.At step S38 place, shield this object handle with 0xF0000000.When the result at step S38 place is not 0, determine that this object handle is a file.When the definite result at step S38 place represented that this object handle is file, flow process advanced to step S39.At step S39 place, obtain fileinfo.At step S40 place, the file data are set.In this case, filename and this document date information that does not have an extension name (folder name) sends on the personal computer.When " ObjectFormat (Format Object) "=0x3001, its expression should be to liking file.When " correlation type (associationType) "=1, it represents that a file can be as the storage of traditional file folder.
When the definite result at step S38 place represented that this object handle is not file, this object handle was key frame (master file).At step S41 place, obtain fileinfo.At step S42 place, the key frame data are set.At step S43 place, determine whether to exist the Email subfile.At step S44 place, determine whether to exist speech memorandum subfile.When this was one of these subfiles, (at step S45 and S46 place) assigned parent folder (parent object).
Figure 17 is the embodiment that is connected of personal computer and digital camera, and from situation, personal computer is gathered from the picture data in the digital camera corresponding to PTP.This personal computer sends the operation " GetObject (obtaining object) " that has argument (argument) as the object handle corresponding to object.Digital camera returns the data (picture) of requested object to personal computer.
Figure 18 illustrates the flow chart of picture acquisition operations.At step S51 place, shield object handle (with handling) with 0x0000FFFF.As a result, assign document number.At step S52 place, shield this object handle with 0x000f0000.When the result at step S52 place was not 0, this object handle was a subfile.
When the definite result at step S52 place represented that this object handle is subfile, flow process advanced to step S54.At step S54 place, whether expression exists the sign of subfile to be set to 1.This sign is a temporary variable.On the contrary, when the definite result at step S52 place represented that this object handle is not subfile, flow process advanced to step S53.At step S53 place, this is set is masked as 0.At step S55 place, gather file according to this article piece number and this sign.
Figure 19 illustrates the data structure of the object handle that is obtained by operation " obtaining object handle ".The data of this object handle assigned continuously byte number 0,1,2 ....These data comprise the information of indicated object handle sum.The sum of object handle is to be recorded in the picture file sum in the recording medium of digital camera and the quantity of the file of creating.After byte number 16, arranged object handle (nybble number).
Figure 20 and 21 shows the data structure corresponding to the object information of the object handle that is obtained by operation " obtaining object information ".At the accompanying drawing shown in Figure 20 and 21 is the two parts that a figure are divided into two because of limited drawing space.This object information include file name, shooting date and time, memory I D, picture dimension, guard mode, thumbnail present/lack, the pixel count of picture/thumbnail or the like.In order to make object handle is identified as file, setting " ObjectFormat (Format Object) "=0x3001, " the ThumbFormat thumbnail image format) "=0x0000 and " correlation type "=0x0001.In order making an object handle to be identified as the file that is stored in the file, " ParentObject (parent object) "=file to be set.
Corresponding to aforesaid PTP, the file that is stored in the recording medium that is configured in the digital camera is sent on the personal computer.As shown in figure 22, have on the screen 21a of title bar 22, can show key frame thumbnail P1, P2 ... tabulation.In fact, show various types of data such as picture processing menu institute.Yet,, omitted them in the screen shown in Figure 22 in order to simplify.When file storage master file and subfile (subfile), do not show the thumbnail of this document folder.In this case, only show this document folder title.Perhaps, can show any icon of representing this document folder.When the user clicked folder name or its zone, the thumbnail P5 of key frame and subfile such as screen 21b showed.Among the embodiment shown in Figure 22, because this subfile is a speech memorandum subfile, its thumbnail is not presented on the screen 21b.Only display file name on this screen 21b.
The invention is not restricted to previous examples.Can obtain variously to derive and revise and do not depart from essence of the present invention.For example, subfile can be stored in the file corresponding to this subfile type.The USB interface of two kinds or more of types can be provided in addition.The user one of can optionally be provided with in them.In this case, even only handle a kind of interface as the USB controller of hardware, corresponding to the processing of control microcomputer, data also can be sent on the USB controller from the buffering memory via one of two class USB interface.This two classes USB interface is for example PTP (rest image class) and mass memory class interface.
In addition, in this another example of the present invention, for example, USB controller 10 can be built in the control microcomputer 6.In addition, the number of types of USB interface is not limited to two kinds.Can use three kinds or more USB interface.
For example, subfile can be stored in the file corresponding to such subfile.The USB interface of two kinds or more of types can be provided in addition.The user one of can optionally be provided with in them.In this case, even only handle a kind of interface as the USB controller of hardware, corresponding to the processing of control microcomputer, data also can be sent on the USB controller from the buffering memory via one of two class USB interface.This two classes USB interface is for example PTP (rest image class) and mass memory class interface.
According to the present invention,, can realize multiple usb function so handle the USB controller of single USB interface because used the USB interface switching device shifter.Thus, although this USB controller is to make up on relatively little circuit scale with low relatively cost, also can realize polytype interface or a plurality of circuit scale.That is, do not need to provide single USB controller corresponding to single USB interface.In addition, when user selection ground uses the USB classification feature, the digital camera that also can realize having its advantage.
In addition, according to the present invention, when digital camera is connected to have corresponding to the personal computer of the USB interface of for example PTP and application program (this application program can be bundled among the OS) corresponding to folder structure wherein has been installed and file when digital camera is sent on the personal computer, just create the file that this personal computer can be handled.As a result, can easily discern the relation of each file that is sent to personal computer.When having the subfile relevant, on the position of this picture, show a file with picture.When this document folder is opened, seem that a plurality of associated documents are included in this document folder, so can easily discern the relation of these files because look.
Numbering is described
6 control microprocessors
7 operation input sections
8 buffer storage
9 recording mediums
10 USB controllers
S101 sends USB and transmits request
S102 USB pattern?
S103 carries out PTP and transmits processing
S104 carries out normal the transmission and processes
S111 detects USB and connects
S112 creates the file table
S113 sends connection request to personal computer
S1 i＝1
S2 i＞maxFileNo
S3 fileNo＝i
Obtain fileinfo (tileNo)
The S4 Email?
S5 VoiceMemo？
S6 array [i]=0
S7 array [i]=1
S8 array [i]=2
S9 i++
S11 i＝1
S12 i＞maxFileNo
S13 sendSubReq＝＝2？
S14 ObjectHandle＝i
sendSubReq--
S15 sendSubReq＝＝1？
S16 array [i]==1?
S17 array [i]==2?
S18 ObjectHandle＝0x00010000+i
sendSubReq＝0
i++
S19 ObjectHandle＝0x00020000+i
sendSubReq＝0
i++
S20 array [i]==1?
S21 array [i]==2?
S22 ObjectHandle＝i
i++
S23 ObjectHandle＝0x10000000+i
sendSubReq＝2
S24 ObjectHandle＝0x20000000+i
sendSubReq＝2
S31 fileNo＝0x0000ffff?&?ObjectHandle
S32 0x000f0000?&?ObjectHandle？
S33 obtains subfile information (fineNo)
S34 0x00010000?&?ObjectHandle？
S35 0x00020000?&?ObjectHandle？
S36 is provided with e-mail data
thumbformat＝0
parentObject＝0x10000000+fileNo
S37 is provided with the speech memo data
thumbformat＝0
parentObject＝0x20000000+fileNo
S38?0x00000000?&?ObjectHandle？
S39 obtains fileinfo (fileNo)
S40 is provided with the file data
ObjectFormat＝0x3001
associationType＝1
S41 obtains fileinfo (fileNo)
S42 is provided with the key frame data
The S43 Email?
S44 speech memorandum?
S45?parentObject＝0x10000000+fileNo
S46?parentObject＝0x20000000+fileNo
S51?fileNo＝0x0000ffff?&?ObjectHandle
Obtain fileinfo (fileNo)
S52?ObjectHandle?&?0x000f0000？
S53?subfile＝0
S54?subfile＝1
S55 obtain file (fileNo, subfile)
Claims (4)
1. digital camera reads picture data with the data record of shooting picture to removing in the recording medium and from described recording medium, comprising:
Control section;
Operation input section, the output function signal is to described control section;
Buffer storage is controlled and is read from described recording medium by described control section; And
Single USB controller is by described control section control;
Wherein said operation inputting part component selections first standard usb interface or second standard usb interface, and represent that the selection information of selected interface standard is stored in the described control section, and
Wherein when described control section receives transmission request from described USB controller, described control section sends data from described buffer storage corresponding to described selection information to described USB controller via described first standard usb interface or described second standard usb interface.
2. digital camera according to claim 1, wherein said first standard usb interface and described second standard usb interface correspond respectively to mass storage class interface standard and rest image class interface standard.
3. digital camera according to claim 1 also comprises:
Display device;
Wherein said display device shows standard usb interface choice menus screen corresponding to the operation of described operation input section, and
Wherein can on described menu screen, select one of standard usb interface.
4. digital camera according to claim 1 use to be selected also wherein to be used for that shooting picture recorded the screening-mode of described recording medium or is used for selecting one of standard usb interface from the mode selection switch of the reproduction mode of described recording medium reading of data.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP109022/01 | 2001-04-06 | ||
| JP2001109022A JP2002305677A (en) | 2001-04-06 | 2001-04-06 | Digital camera |
| JP109024/01 | 2001-04-06 | ||
| JP141702/01 | 2001-05-11 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028017005A Division CN1284356C (en) | 2001-04-06 | 2002-04-05 | Digital camera and data transfer method |
Publications (2)
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| CN1791181A CN1791181A (en) | 2006-06-21 |
| CN100379263C true CN100379263C (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101184925A Expired - Fee Related CN100379263C (en) | 2001-04-06 | 2002-04-05 | Digital camera |
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| JP (1) | JP2002305677A (en) |
| CN (1) | CN100379263C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4532815B2 (en) | 2002-09-20 | 2010-08-25 | キヤノン株式会社 | Digital information input system, information generation apparatus, information management method, program, and computer-readable storage medium |
| JP2004310672A (en) | 2003-04-10 | 2004-11-04 | Seiko Epson Corp | Data input device and image output system |
| JP2004343663A (en) | 2003-05-19 | 2004-12-02 | Sony Corp | Imaging device |
| US7760232B2 (en) | 2003-06-27 | 2010-07-20 | Panasonic Corporation | Slave device and communication setting method |
| JP4529411B2 (en) * | 2003-10-24 | 2010-08-25 | ソニー株式会社 | Information processing apparatus, imaging apparatus, and communication method |
| JP4715893B2 (en) * | 2008-09-19 | 2011-07-06 | セイコーエプソン株式会社 | Image input / output system |
| JP5077177B2 (en) * | 2008-09-30 | 2012-11-21 | ソニー株式会社 | Information processing apparatus and data transmission method |
| JP5521418B2 (en) * | 2009-07-15 | 2014-06-11 | 株式会社ニコン | Image output device |
| JP5581836B2 (en) * | 2010-06-16 | 2014-09-03 | 富士通セミコンダクター株式会社 | Communication method and device apparatus |
| CN106897242B (en) * | 2017-01-17 | 2020-09-29 | 建荣集成电路科技(珠海)有限公司 | USB composite equipment and working method thereof |
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| JPH10187303A (en) * | 1996-11-07 | 1998-07-14 | Hitachi Ltd | Interface switching device and method for controlling interface switching and keyboard |
| JP2000184258A (en) * | 1998-12-16 | 2000-06-30 | Internatl Business Mach Corp <Ibm> | Digital camera provided with voice recognition annotation |
| US6141719A (en) * | 1998-12-10 | 2000-10-31 | Network Technologies, Inc. | USB selector switch |
| JP2001202325A (en) * | 2000-01-24 | 2001-07-27 | Fuji Photo Film Co Ltd | Jsb connecting equipment |
| JP2001290753A (en) * | 2000-04-06 | 2001-10-19 | Casio Comput Co Ltd | Electronic equipment |
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| JPH10187303A (en) * | 1996-11-07 | 1998-07-14 | Hitachi Ltd | Interface switching device and method for controlling interface switching and keyboard |
| US6141719A (en) * | 1998-12-10 | 2000-10-31 | Network Technologies, Inc. | USB selector switch |
| JP2000184258A (en) * | 1998-12-16 | 2000-06-30 | Internatl Business Mach Corp <Ibm> | Digital camera provided with voice recognition annotation |
| JP2001202325A (en) * | 2000-01-24 | 2001-07-27 | Fuji Photo Film Co Ltd | Jsb connecting equipment |
| JP2001290753A (en) * | 2000-04-06 | 2001-10-19 | Casio Comput Co Ltd | Electronic equipment |
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| CN1791181A (en) | 2006-06-21 |
| JP2002305677A (en) | 2002-10-18 |
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