When a video input (image data) sequentially fetched from a monitor camera is to be stored in data storage means, frame rate calculating means calculates a frame rate for storage of the image data by using a picture recording time mode, a residual capacity of the data storage means, the presence of generation...http://www.google.fr/patents/US6795642?utm_source=gb-gplus-shareBrevet US6795642 - Video recording apparatus and monitoring apparatus
Video recording apparatus and monitoring apparatus