公开(公告)号：EP1441518A1

公开(公告)日：2004-07-28

申请号：EP03761777.6

申请日：2003-06-24

申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

发明人： ASADA, Ryoji ,  TAKEUCHI, Akihiro ,  USUI, Akira ,  SAKAMOTO, Yoshitaka ,  KIMOTO, Takayuki ,  AKEYAMA, Tamotsu

IPC分类号： H04N5/91 ,  H04N9/80

CPC分类号： H04N5/772 ,  H04N5/20 ,  H04N5/202 ,  H04N5/9201 ,  H04N9/69

摘要： The present invention is intended to provide an image pickup signal recording/reproduction system dealing with film image pickup signals and capable of solving problems about display, such as contrast.
The system is a film or video image pickup signal recording/reproduction system comprising an image pickup apparatus 1 of outputting an image pickup signal having various characteristics, a recording apparatus 2 of recording the image pickup signal, a reproduction apparatus 3 of reproducing the record signal obtained by the recording apparatus 2, a characteristic conversion apparatus 7 of switching the characteristic of the reproduction signal obtained by the reproduction apparatus 3, and a display apparatus 5 of displaying the signal output from the characteristic conversion apparatus 7, wherein the image pickup apparatus 6 has about two kinds of gamma curve characteristics, the above-mentioned gamma curve characteristic data is recorded by the recording apparatus and extracted by the reproduction apparatus 3, the gamma curve characteristic of a reproduction image is switched by the characteristic conversion apparatus 7 depending on the data, and the image is output on the display apparatus 5.