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Data processing apparatus and control method thereof

A data processing equipment, processing equipment technology, applied in the direction of image communication, still cameras, electrical components, etc., can solve the failure of image file transmission, cannot specify images, weaken the efficiency and reliability of image file management of digital cameras and external devices, etc. question

Inactive Publication Date: 2010-06-02
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technique described in Japanese Patent Laid-Open No. 2002-259668 can specify an electronic device, but cannot specify an image, and does not assume that a unique ID is assigned when image editing is performed
[0007] Therefore, with the general method of assigning a unique ID to image information, an external device that manages the hold state of image files recorded in a digital camera may transmit the same data multiple times
In addition, image files that need to be transferred may fail to transfer
As a result, image file management efficiency and reliability of digital cameras and peripheral devices are impaired

Method used

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  • Data processing apparatus and control method thereof
  • Data processing apparatus and control method thereof
  • Data processing apparatus and control method thereof

Examples

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no. 1 example

[0043] Description of camera equipment

[0044] figure 1 is a block diagram showing an example of the configuration of the digital camera 100 according to this embodiment. The digital camera 100, which functions as an image recording device that records data of still images and moving images and also functions as an image playback device that displays images based on the data, is an example of a data processing device to which the present invention can be applied. refer to figure 1 , the optical system 21 includes a photographing lens, and the optical system 21 forms an optical image on the image capturing plane of the imaging unit 22 . The imaging unit 22 includes a CCD, a CMOS element, etc., and converts an optical image into an electrical signal. The A / D converter 23 converts the analog image signal output from the imaging unit 22 into a digital signal, and converts the analog audio signal output from the audio controller 11 into a digital signal.

[0045]The timing g...

no. 2 example

[0117] In the first embodiment, still image recording and audio recording were explained. In addition to still image recording, the digital camera 100 can also perform moving image recording. Moving image recording can be performed by selecting the moving image recording mode via the mode selection button 27 . The operation of the digital camera 100 in the moving image recording mode will be described below.

[0118] When detecting that the second shutter switch signal SW2 is ON in the moving image recording mode, the system controller 17 sequentially stores image data captured by the imaging unit 22 in the memory 32 at a predetermined frame rate. Meanwhile, the system controller 17 stores the audio signal captured from the microphone 10 in the memory 32 via the audio controller 11 and the A / D converter 23 .

[0119] Refer below Figure 16 The moving picture mode processing according to the second embodiment will be described. when for example figure 2 This process is ex...

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Abstract

A data recording apparatus (100) holds (S1509) device state information which is updated according to use of the apparatus and represents a use state of the apparatus, and device identification information unique to the apparatus. Upon recording data, the data recording apparatus acquires (S1502) information associated with generation of recording data, which is different from the device state information, as recording information, in association with the recording data. The apparatus generates (S1505 - S1507) unique identification information of the recording data based on the device identification information, the device state information, and the recording information, and records (S1508, S601 - S607)_a file including the recording data and the unique identification information in a recording medium.

Description

technical field [0001] The invention relates to a data processing device and a control method thereof. Background technique [0002] Usually, in a digital camera, according to the DCF (Design rule for Camera File system, camera file system design rule) rule, the captured image data obtained by shooting is assigned a file name, such as the file name IMG_XXXX.gif (XXXX is a number that increases according to the shooting sequence) . However, when a file named by such a naming rule is copied to and managed by an external device, the file name is often not unique. In this case, when copying files to an external device, old files may be overwritten. [0003] For this reason, a technique has been proposed that associates unique identification information (hereinafter referred to as a unique ID) for specifying an image to improve communication between a digital camera and an external device to which the digital camera is connected. Image searchability and management. Such an as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/00H04N1/21H04N101/00
Inventor 中濑雄一小川康行
Owner CANON KK