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Digital camera

A technology for digital cameras and times, which is applied in the field of digital cameras and can solve the problems of high cost of recording media, capacity of recording media and performance-price ratio that cannot meet the requirements, etc.

Inactive Publication Date: 2009-07-01
NIKON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the capacity and performance-price ratio of recording media for recording image information are not satisfactory
In particular, there is a problem that the cost of the rewritable recording medium is high

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach 〉

[0110] A digital camera according to a first embodiment of the present invention will be described in detail below using the drawings. figure 1 It is a block diagram showing the configuration of the digital camera system in the first embodiment of the present invention.

[0111] Such as figure 1 As shown, the digital camera 1 is composed of the following parts: a control / processing section 5 composed of a CPU and the like to control the overall operation of the digital camera 1, an LCD display section 6, an operation section 7, a photographing section 8, and an A / D conversion section 9. Display buffer 10, Raw (raw) data buffer 11, digital input and output terminals 12, etc. The operation unit 7 is a member for the user to select an operation of the digital camera 1, and includes, for example, a mode selection switch and a shutter release button. The photographing unit 8 has, for example, an image sensor of approximately 3 million pixels, and performs photoelectric conversion...

no. 2 Embodiment approach

[0168] A digital camera according to a second embodiment of the present invention will be described below using the drawings.

[0169] Figure 7 It is a block diagram showing the configuration of the digital camera in the second embodiment of the present invention. exist Figure 7 in, for and figure 1 Components that are the same as those in the first embodiment shown are denoted by the same reference numerals, and description thereof will be omitted. Here, differences from the first embodiment will be mainly described.

[0170] Such as Figure 7 As shown, the digital camera 21 of the second embodiment has a built-in nonvolatile memory 22 . The nonvolatile memory 22 is used to store the image data processed in the control / processing unit 23 together with the write-once storage medium 4 or the rewritable storage medium 3 inserted into the card slot 2 . The image data stored in the nonvolatile memory 22 can be transferred to the storage medium inserted in the card slot 2 a...

no. 3 Embodiment approach

[0294] A digital camera according to a third embodiment of the present invention will be described in detail below using the drawings.

[0295] Figure 20 It is a block diagram showing the system configuration of the digital camera of the third embodiment. exist Figure 20 in, for and figure 1Components that are the same as those of the first embodiment shown are denoted by the same reference numerals, and description thereof will be omitted. Here, differences from the first embodiment will be mainly described.

[0296] Such as Figure 20 As shown, in the digital camera 31 of the third embodiment, a volatile buffer memory 311 is provided instead of the Raw data buffer 11 . The buffer memory 31 temporarily stores image data captured by the imaging unit 8 and subjected to various processes by the control / processing unit 301 .

[0297] The digital camera 31 of the third embodiment is controlled so that the captured image data is temporarily stored in the buffer memory 311, ...

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PUM

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Abstract

A digital camera comprises an imaging device; an internal memory; an attachment device that attaches a storage medium; a medium detector that detects whether the storage medium attached to the attachment device is a storage medium limiting overwrite; and a record control device that controls so as to store image data taken by the imaging device in the storage medium attached to the attachment device. When the medium detector detects that the storage medium attached to the attachment device is the storage medium limiting overwrite, the record control device controls so as to store data management information of the image data recorded in the storage medium limiting overwrite in the internal memory.

Description

[0001] This application is a divisional case of an application filed on August 18, 2004, with application number 03804119.7, international application number PCT / JP03 / 00936, international filing date on January 30, 2003, and the title of the invention is "Digital Camera" Apply. [0002] This application is based on Japanese Patent Application No. 2002-040283 (filed on February 18, 2002) and Japanese Patent Application No. 2002-040284 (filed on February 18, 2002), the contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to a digital camera having a function of recording captured image data on a storage medium. Background technique [0004] A digital camera records image information of captured images on a replaceable recording medium such as a memory card. However, the capacity and cost performance of recording media for recording image information are not satisfactory. In particular, there is a problem that a rewrit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/32H04N1/21H04N5/77G06K17/00G06F12/00H04N5/225H04N5/907H04N5/91H04N101/00
Inventor 野崎弘刚大村晃
Owner NIKON CORP