| 摘要 |
A digital camera has a memory for recording function and environment of the camera upon every use thereof, or delivery of the camera to users. The memory is kept without deletion to be a history of the camera. The memory cannot be used by the user, but is take out of the camera upon its recycle for transferring the memory to a database or to a site of designing new cameras. The memory should be taken out on the authorization of the user. If the memory includes name, address, custom settings, user contract, password, or the like, such memory may be transferred to a new camera of the same user on demand. Used camera can be conveniently returned at a site where commodities irrelevant to cameras are sold, which may prevent illegal disposal of cameras.
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