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Sony XC-ES50/50CE Technical Manual Page 13

Ccd black-and-white video camera module.
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Sample input timing chart 2
EXT HD
EXT VD
Exposure time for the Odd field
Exposure time for the Even field
Frame Accumulation (Factory setting)
Video output
Odd and even fields are determined by the phase of the EXT HD/VD signal input from the outside.
When the camera is set to Field Accumulation, images are output based on the field exsposure time of the
CCD.
Frame image output with a strobe light
The factory setting for this camera is Frame
Accumulation. The images obtained when the normal
continuous shutter or trigger shutter is used are field
images (vertical resolution: 243 lines).
Sample input timing chart
EXT HD
EXT VD
Strobe light
Exposure time for the Odd field
Exposure time for the Even field
Frame Accumulation (Factory setting)
Video output
Odd and even fields are determined by the phase of the EXT HD/VD signal input from the outside.
Avoid flashing in the light-emitting inhibit zone shown below. (The field is transferred to the storage area of the
CCD, so it can be read out.)
Light-emitting inhibit zone:
Between VD and VD +10 H for XC-ES50/ES51/EI50/ES30/EI30
Between VD and VD +16 H for XC-ES50CE/ES51CE/EI50CE/ES30CE/EI30CE
Continuous signal: 15.734 kHz (XC-ES50/ES51/EI50/ES30/EI30) Allowable frequency value ±1%
15.625 kHz (XC-ES50CE/ES51CE/EI50CE/ES30CE/EI30CE) Allowable frequency value ±1%
VD interval (T): 262.5 H or more (XC-ES50/ES51/EI50/ES30/EI30) and less than 500 msecond (Recommended)
312.5 H or more (XC-ES50CE/ES51CE/EI50CE/ES30CE/EI30CE) and less than 500 msecond (Recommended)
Four or more VD pulses are required.
Invalid image
Continuous signal: 15.734 kHz (XC-ES50/ES51/EI50/ES30/EI30) Allowable frequency value ±1%
15.625 kHz (XC-ES50CE/ES51CE/EI50CE/ES30CE/EI30CE) Allowable frequency value ±1%
VD: 1/60 sec (XC-ES50/ES51/EI50/ES30/EI30)
1/50 sec (XC-ES50CE/ES51CE/EI50CE/ES30CE/EI30CE)
Four or more VD pulses are required.
Invalid image
T
1/60
1/60
second
second
Odd
Even image
image
Valid frame image
Using a strobe light and Restart/Reset mode, you can
obtain bright frame images by synchronizing any
strobe light. (vertical resolution: 485 lines).
Odd
Even
image
image
Valid frame image
Mode Setting
13

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