Patent ID: 6229954
Filing Date: 2001-05-08
Classification: H04N

Abstract:
A recording and/or reproducing apparatus comprising:a) an optical system arranged to form an optical image;b) photo-electric conversion means for converting the optical image formed by said optical system into an electrical signal;c) A/D conversion means for converting the electrical signal into a digital signal;d) recording and/or reproducing card unit arranged for mounting and demounting directly on or from said recording and/or reproducing apparatus through a signal interface and including a recording medium on which the digital signal obtained from said A/D conversion means is to be recorded and reproduced; ande) signal processing card unit having a program memory, a CPU and a BIOS memory for processing said digital signal to generate image signals, wherein said signal processing card unit being arranged to be directly mountable and demountable on and from said recording and/or reproducing apparatus and having a signal interface for controlling an operation of said program memory in accordance with a command of an external control apparatus.