CN1525340A - Multimode digital video device - Google Patents
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- CN1525340A CN1525340A CNA031569668A CN03156966A CN1525340A CN 1525340 A CN1525340 A CN 1525340A CN A031569668 A CNA031569668 A CN A031569668A CN 03156966 A CN03156966 A CN 03156966A CN 1525340 A CN1525340 A CN 1525340A
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- 230000005055 memory storage Effects 0.000 claims description 3
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- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
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- 238000010295 mobile communication Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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Abstract
The invention discloses a multimode NC shooting device, including: an image shooting module to obtain object image and makes relative treatment, a storage module to store data from the image shooting module or communication interface, a master control module, a USB interface unit, and its character: the USB interface unit contains plural different types of logic interfaces and also a storage module which has stored configuration parameters of describing devices at different modes; it also further includes a man-machine interface unit to switch its use modes by the master control module before it is connected with the computer; when it is connected with the computer, it can be used in many modes of independent movable storage device, independent computer camera and compound device of movable storage device and computer camera, etc. The user can conveniently select the use modes according to his demand.
Description
Technical field
The present invention relates to digital camera, particularly relate to a kind of multimode NC shooting device, its with can use as different equipment according to user's selection when computing machine joins.
Background technology
Along with the continuous development of digital vedio recording technology, various digital vedio recording products have begun to enter in a large number huge numbers of families.Digital camera can convert the scenery that photographs to digital format by inter-process and deposit in storage chip and needn't use film, and it can also be directly connected on computing machine, televisor or the printer, even under certain condition, digital camera can also directly be linked on mobile telephone or the handheld computer.With respect to traditional camera, the advantage of digital camera is apparent, and therefore, it more and more is subjected to liking of people.
Corresponding to digital camera, computer camera based on same image taking technology has also produced great impact power in the multimedia application field, and it can connect functions such as machine realization videophone, Web conference, dynamic video E-mail, computer shooting, picture editor, card making in conjunction with related software.
In addition, development along with data storage technology, the based semiconductor storage medium, such as flash memory (Flash Memory), the mobile storage means of technical design, fast, low in energy consumption with its writing speed, can plug at any time, removable, can store jumbo file and data, and do not need excellent performance such as specific mechanical hook-up drives and become the main flow of mobile storage product day by day, as various plug type portable hard drives.Chinese patent application 02114882.1 " supporting the semiconductor memory method and the device of multiple interfaces " also discloses a kind of semiconductor memory method and device of supporting multiple interfaces, is used for data handling system.
But, the function of above-mentioned these devices only is confined to use as a simple peripheral hardware memory storage, perhaps simple digital camera uses, do not realize the combination of various functions, when need realizing different functions, the user just need different devices to finish respectively, this is not only very inconvenient, and has caused the waste on the cost.
Though occurred double mode digital camera in the prior art, it both can be used as digital camera and had taken the open air picture recording of taking pictures to, caught splendid moment and fragment, also can be used as computer camera, connected machine and realized dynamic camera function.But computer camera and two kinds of purposes of plug type flash memory device are carried out combination, a device can be used as these two kinds of equipment respectively, even being further used as an equipment complex with this two kinds of functions combinations and realization simultaneously, digital camera of the prior art but still can not be finished.
In addition, along with development of Communication Technique, cell phone multimedia message sends and video communication also enters modern society's life day by day, if the user can or be pre-stored in image in the digital camera with the image taken, music, multimedia file such as animation and Flash directly is sent to devices such as mobile phone, perhaps with this digital camera as the mobile phone that can link to each other with mobile communication terminal with digital camera, can very big enjoyment concerning the cellphone subscriber, in addition, content of multimedia is because its data volume is relatively large, usually be not suitable for being stored in the mobile communication terminal, if a flash memory device that can be used for mobile phone is arranged, the user just can deposit in lot of data this device so, and needn't take the storage space of mobile phone.
Summary of the invention
The object of the present invention is to provide a kind of multimode NC shooting device, can be used as common digital camera, can select as flash memory device independently when itself and computing machine join, independently a plurality of patterns such as equipment complex of computer camera and flash memory device and computer camera are used, the user can select according to the needs of oneself, in addition, the described device flash memory device that also can be used as mobile communication terminal uses.
For satisfying above-mentioned purpose, the present invention proposes the implementation of a multimode NC shooting device, it comprises: one is used to obtain the target image image pickup module that line correlation handles of going forward side by side, a memory module that is used for the data message that memory image acquisition module or communication interface transmit, the main control module controlling and coordinate described multimode NC shooting device each several part operate as normal, USB (USB (universal serial bus)) interface unit that under the support of described main control module, carries out communication with external computing machine, its characteristics are: include a plurality of dissimilar logic interfacings in the described usb interface unit; Also comprise a memory module in the described usb interface unit and stored the configuration parameter of describing different mode equipment; Multimode NC shooting device of the present invention further comprises a personal-machine interface unit, and this man-machine interface unit uses the switching of pattern to this device by the main control module before device of the present invention and computing machine are pegged graft.
In addition, device of the present invention can further include a UART (universal serial port) interface, and it can realize the exchanges data with communication terminal under the support of main control module.
The contrast prior art the invention has the advantages that:
Digital camera of the present invention can be selected as flash memory device independently when joining with computing machine, independently a plurality of patterns such as equipment complex of computer camera and flash memory device and computer camera are used, and the user can select easily according to the needs of oneself;
Digital camera of the present invention also can be used as the mobile phone that links to each other with mobile communication terminal and uses with digital camera and mobile phone portable hard drive.
Above and other objects of the present invention, feature and advantage are from below in conjunction with accompanying drawing be not will become more obvious the specific descriptions of certain embodiments.
Description of drawings
Fig. 1 is the structure diagram of device embodiment one of the present invention.
Fig. 2 is the building-block of logic of usb interface unit in the device of the present invention.
Fig. 3 is the operational diagram of device of the present invention usb interface unit and usb host during as a flash memory device.
Fig. 4 is the operational diagram of device of the present invention usb interface unit and usb host during as a computer camera.
The operational diagram of usb interface unit and usb host when Fig. 5 is a device of the present invention as the equipment complex of a flash memory device and computer camera.
Fig. 6 is the structure diagram of device embodiment two of the present invention.
Specific embodiment
In the following description, known function or structure will no longer describe in detail, to avoid there be unnecessary obscuring with content of the present invention.
Embodiment one:
As shown in Figure 1, this multimode NC shooting device 10 realizes by following scheme, comprise: one is used to obtain the target image image pickup module 2 that line correlation handles of going forward side by side, a memory module 3 that is used for the data message that memory image acquisition module 2 or communication interface transmit, the main control module 1 controlling and coordinate described multimode NC shooting device 10 each several part operate as normal, a usb interface unit 6 that under the support of described main control module 1, carries out communication with external computing machine, wherein, the memory module 7 of the configuration parameter of USB device when including interface section 8 and one in the described usb interface unit 6 and storing corresponding to certain pattern, in addition, multimode NC shooting device 10 of the present invention further comprises a man-machine interface unit 4 that links to each other with the master control part branch, and the user can utilize this man-machine interface unit 4 to use the selection of pattern by 1 pair of this device of main control module before device 10 of the present invention is pegged graft with principal computer 20.
In the standard of USB, the FPDP (endpoint) that all can include several different types in each USB device (device), these FPDP form different logic interfacing (interface), and each USB device is made of these different logic interfacings; The interface that is combined to form for ejusdem generis one group port, one or more interfaces form an equipment, if an equipment comprises more than one interface, and the parameter value of representing interface class (INTERFACE CLASS) and subclass (INTERFACE SUBCLASS) in the characterising parameter of these several interfaces is described these several interfaces inhomogeneous the time, and this equipment just can be referred to as equipment complex (composite device).Each USB device all has a cover configuration parameter to describe its logical device logic interfacing and FPDP, the configuration parameter that different USB device is corresponding different, the main control module is transferred to PC to these configuration parameters by the control port of standard, and what PC just can judge that USB connects by these parameters has been the equipment of what pattern.
In order to adapt to the requirement of various dissimilar peripherals, USB provides four kinds of different data transmission types: control (Control) mode transmits, synchronously (isochronous) mode (interrupt) mode that transmits, interrupts transmit, in a large number (bulk) transmit.Each equipment all must have and have the port of a CONTROL type to carry out the data stream of the STANDARD REQUESTS (standard commands) in the USB standard.
As shown in Figure 2, comprise 80, one MASS STORAGE of a Control (control) port (high capacity storage) interface 81 and a VENDORSPECIFICED (User Defined) interface 84 in the device of the present invention in the logical device of usb segment 8.Wherein Control port 80 is default port endpoint0, be used to transmit configuration and control information, MASS STORAGE interface 81 contains a BULK IN port 82 and a BULK OUT port 83, this class interface is mainly used in a large amount of data that transmit and receive, under the situation that does not have again simultaneously to require bandwidth and interval time, in order to guarantee transmission, the logic interfacing when MASS STORAGE interface 81 is used to as described device as flash memory device in the present invention.VENDOR SPECIFICED interface 84 contains an ISOCHRONOUS port 85 and an INTERRUPT port 86, the logic interfacing when VENDORSPECIFICED interface 84 is used to described device in the present invention as computer camera.Usb host receives from Control port 80 and determines the end in the device description parameter of coming or the interface characterising parameter (descriptors) is that the equipment of what type is linked into system, and then loads the corresponding driving program.
As shown in Figure 3, the operational diagram of usb segment during as a flash memory device for device 10 of the present invention.For portable hard drive, require two end points of OUT of an IN of hardware supported BULK type to carry out SCSI (Small Computer Systems Interface, small computer system interface) data stream of command set, the interface that these two end points form must be the MASS STORAGE type of standard, so, relevant parameter such as INTERFACE CLASS CODE (interface type code) in the description of interface, SUBCLASS CODE (subtype code) and PROTOCL CODE (protocol code) must be defined as the types value of MASSSTORAGE standard device, at this time, main frame just knows that present equipment is a USB MASSSTORAGE CLASS DEVICE.In device of the present invention, with MASS STORAGE interface 81 as logic interfacing, in parameter configuration memory module 7, store characterising parameter value corresponding to this type interface, after device of the present invention and principal computer are pegged graft, CONTROL end points 80 transmits the standard request data, main frame has detected equipment and has inserted, and from the describing word that CONTROL end points 80 is sent, this equipment is judged as a flash memory device, the data stream of the scsi command between BULK IN end points 82 and 83 execution of BULK OUT end points and the usb host transmits, at this moment, main frame does not also know to have the existence of VENDOR SPECIFICED interface 84, VENDOR SPECIFICED interface 84 is not carried out any operation yet, main frame loads the driver of flash memory device, described equipment as one independently portable hard drive move, jpeg file (still picture) and avi file (shooting that the MOTION jpeg file is just said usually) that the user takes have been preserved with the form of file in the inside, and the user at this time can operate device of the present invention as a common hard disk.
When the user wants with digital camera of the present invention that independently computer camera uses as one, it selects equipment mode by man-machine interface 4, send request to main control module 1, it is VENDOR SPECIFICED interface 84 that main control module 1 will be installed needed interface conversion, as shown in Figure 4, and when PC sends standard request control CONTROL port transmission configuration parameter corresponding, CONTROL end points 80 transmission standard/User Defined request data stream, an ISOCHRONOUS end points 85 transmits real-time view data, an INTERRUPT end points 86 is reported accident, the interface that these two end points form is the interface of a VENDOR SPECIFICED type, at this moment, main frame does not also know to have the existence of MASS STORAGE interface 81, MASS STORAGE interface 81 is not carried out any operation yet, main frame loads the driver of computer camera, described equipment as one independently computer camera move, as a monitor, can clap JPEG and avi file to the display of PC.
When the user wants digital camera of the present invention used as the equipment complex of a flash memory device and computer camera, it switches to corresponding mode of operation with man-machine interface 4, at this moment, this just requires two dissimilar interfaces as top two kinds of equipment, main control module 1 provides the configuration parameter of corresponding description equipment, and the INTERFACE NUMBER in the device description (interface number) is configured to 2.As shown in Figure 5, MASS STORAGE interface 81 and VENDOR SPECIFICED interface 84 all can be discerned by main frame, and carry out separately and operate accordingly, main frame loads the driver of flash memory device and computer camera simultaneously, described equipment moves as the equipment complex of a flash memory device and computer camera, that is to say, can be when being connected simultaneously as portable hard drive and computer camera with PC, the user can operation hard disk limit, limit sees the real-time image from digital camera lens.
In addition, owing to need prepare different drivings for different equipment, computing machine could be identified as different USB device to this device, therefore digital camera of the present invention is that different equipment has been prepared different PID, this pid value is a parameter in the device description, expression PRODUCT INDEX (product ID), in the ENUMERATE of computer Recognition equipment (enumerating) process, digital camera of the present invention provides different pid values, according to this different PID, computing machine will be installed different drivers, different driver correspondences different USB device, the user just can operate this digital camera as different USB device.
As shown in Figure 6, digital camera of the present invention in the present embodiment also comprises a UART interface 5, this is that a High Speed UART port is provided on hardware, by this port, digital camera of the present invention can carry out data communication with mobile phone, digital camera of the present invention receives and exectorial form realizes PREVIEW (image preview) to adopt mobile phone to say the word, POSTVIEW (later stage browses), clap JEPG (JPEG (joint photographic experts group)) picture, clap functions such as MOTION (dynamically) jpeg image.
In addition, above-mentioned multimode NC shooting device can further include an independently power module (not shown), independently-powered to be used for multimode NC shooting device of the present invention is carried out, so that can be used as an independent digital camera, it realizes that static state takes pictures.
The storage area that is used as flash memory device in the digital camera of the present invention in the memory module 3 can be removable storage card, also can be built-in memory storage.
Digital camera of the present invention can further include a state indicating member LED 11 and is used for display mode duty code name etc.
Digital camera of the present invention also can further comprise the write-protect function, as increases a write-protect switch (not shown), is used for preventing that data from writing memory module and going, and these all can be realized.
Multimode NC shooting device of the present invention, be not restricted to listed utilization in instructions and the embodiment, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.
Claims (9)
1, a kind of multimode NC shooting device, comprise: one is used to obtain the target image image pickup module that line correlation handles of going forward side by side, a memory module that is used for the data message that memory image acquisition module or communication interface transmit, the main control module controlling and coordinate described multimode NC shooting device each several part operate as normal, a usb interface unit is characterized in that: include a plurality of dissimilar logic interfacings in the described usb interface unit; Also comprise a memory module in the described usb interface unit and stored the configuration parameter of describing different mode equipment; Multimode NC shooting device of the present invention further comprises a personal-machine interface unit, and this man-machine interface unit uses the switching of pattern to this device by the main control module before device of the present invention and computing machine are pegged graft.
2, multimode NC shooting device according to claim 1 is characterized in that, can further include a UART interface that carries out exchanges data under the support of main control module with communication terminal.
3, multimode NC shooting device according to claim 1 and 2 is characterized in that, described dissimilar logic interfacing comprises MASS STORAGE (high capacity storage) interface and VENDOR SPECIFICED (User Defined) interface.
4, multimode NC shooting device according to claim 1 and 2 is characterized in that, is provided with in the USB interface device that an interface is arranged in a plurality of dissimilar logic interfacings is the default logic interface.
5, multimode NC shooting device according to claim 4 is characterized in that, described default logic interface is the logic interfacing of MASS STORAGE type.
6, multimode NC shooting device according to claim 1 and 2 is characterized in that, can further include an independently power module, to be used for carrying out independently-powered to multimode NC shooting device of the present invention.
7, multimode NC shooting device according to claim 1 and 2 is characterized in that, can further include a state indicating member LED who links to each other with the main control module and is used for the display mode duty.
8, multimode NC shooting device according to claim 1 and 2 is characterized in that, can comprise further that also one links to each other with the main control module and to be used for preventing that data from writing the write-protect switch that memory module is gone.
9, multimode NC shooting device according to claim 1 and 2 is characterized in that, the storage area that is used as flash memory device in the described memory module can be removable storage card, also can be built-in memory storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031569668A CN1525340A (en) | 2003-06-03 | 2003-09-16 | Multimode digital video device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03137248 | 2003-06-03 | ||
| CN03137248.1 | 2003-06-03 | ||
| CNA031569668A CN1525340A (en) | 2003-06-03 | 2003-09-16 | Multimode digital video device |
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| Publication Number | Publication Date |
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| CN1525340A true CN1525340A (en) | 2004-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA031569668A Pending CN1525340A (en) | 2003-06-03 | 2003-09-16 | Multimode digital video device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422992C (en) * | 2005-08-08 | 2008-10-01 | 扬智科技股份有限公司 | Dynamic switchover method and device of MTP protocol and MSC mode of portable multimedia device |
| CN102023957B (en) * | 2009-09-18 | 2012-10-17 | 联芯科技有限公司 | Method for stimulating multiple serial ports by a USB interface for transmitting data and USB compound device |
| CN107318037A (en) * | 2016-04-26 | 2017-11-03 | 宏碁股份有限公司 | Electronic installation and image transmission control method |
-
2003
- 2003-09-16 CN CNA031569668A patent/CN1525340A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422992C (en) * | 2005-08-08 | 2008-10-01 | 扬智科技股份有限公司 | Dynamic switchover method and device of MTP protocol and MSC mode of portable multimedia device |
| CN102023957B (en) * | 2009-09-18 | 2012-10-17 | 联芯科技有限公司 | Method for stimulating multiple serial ports by a USB interface for transmitting data and USB compound device |
| CN107318037A (en) * | 2016-04-26 | 2017-11-03 | 宏碁股份有限公司 | Electronic installation and image transmission control method |
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