Patent ID: 8373772

Claim:
An imaging apparatus connected to a memory, said imaging apparatus comprising: an imager which reads any given area; a main image storage configured to read a first image of a main image area, the first image representing a whole image formed on said imager, and store an image associated with the first image in the memory as a main image; a sub image storage configured to read a second image of a watch area from said imager, the watch area being an area to be watched, and store an image associated with the second image in the memory as a sub image; an encoder which encodes the main image and the sub image stored in the memory by said main image storage and said sub image storage; and a recorder configured to record the main image and the sub image encoded by said encoder on a recording medium, wherein said imager obtains images so that an obtainment cycle of said imager is faster than a video frame cycle, and said main image storage and said sub image storage are configured to read the images obtained by said imager at different times.