Hitachi HV-D37A Home Security System User Manual


 
48
CCD line B
Even field
Frame store mode
Aa
Ab Ac Ad
Ba Bb Bc Bd
Ab AcAa
Store charge
on CCD line B
Video signal
Store time: 1/15 s (Example)
WE signal
Ba Bb Bc
In the frame store mode, each of the CCD
lines A and B is read out individually.
Therefore, the vertical resolution is
superior. After completion storing, video
signal output is made between two fields.
Immediately before the field on which video
signal output is made, the WE signal is
delivered from the D-SUB connector
equipped on the rear panel.
VD signal
CCD line A
CCD line B
CCD line A
Even field
Odd field
Odd field
Store charge
on CCD line A