Patent ID: 6256063
Filing Date: 2001-07-03
Classification: H04N

Abstract:
Image signal processing apparatus which comprises a camera body, a memory card which is inserted into and drawn out from said camera body, and a host computer which transmits and receives image data to and from said memory card, said image signal processing apparatus wherein:said memory card has two connectors which are connected to said camera body and said host computer, said memory card being constructed in such a way that said two connectors are simultaneously mounted in said camera body and said host computer;said camera body has means for detecting the state of the first connection where only said memory card is connected, and the state of the second connection where only said host computer is connected via said memory card; if detecting said first connection, said camera body supplies a power to said memory card and enters a normal mode for executing a normal photographing sequence of recording image data captured during photographing in said memory card, and if detecting said second connection, said camera body receives a power from said host computer via said memory card and a photographing command including a shutter release instruction and enters a host computer remote mode for photographing; andsaid host computer has a function of executing an image transfer/regenerate sequence between said host computer and an image memory in said memory card, and a function of supplying the power from said host computer to said camera body via said memory card and transmitting a photographing command including said shutter release instruction.