Sony XC-ST50 Teknik Kılavuz - Sayfa 14

Dijital Kamera Sony XC-ST50 için çevrimiçi göz atın veya pdf Teknik Kılavuz indirin. Sony XC-ST50 30 sayfaları. Black-and-white video camera module
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Sony XC-ST50 Teknik Kılavuz

Timing Chart

When set to Mode 1 (Non-reset mode)

Setting the shutter speed using trigger pulse width
HD/VD input
• Continuous VD input
External trigger shutter operation
1
1
Trigger*
Exposure time (Te)
External HD*
1
External VD*
1
(Continuous
VD)
T: T=under 10 µ sec
EXT-VD
Video out
1
WEN
250 H (EIA)
293 H (CCIR)
TRG
EXT-VD
EXT-VD
*1 This is an external input signal. Make sure to input
both HD and VD signals.
*2 Exposure time (Te)
Te = Trigger pulse width + 97 µ sec (EIA)
Te = Trigger pulse width + 120 µ sec (CCIR)
(The effective trigger pulse width for the external
trigger shutter operation is between 2 µ sec and 1/4
sec.)
*3 Normal operation is resumed when the trigger
pulse width is 1/3 sec or more. The trigger falling
edge restores external trigger shutter operation. At
this time, the 50 msec after the falling edge of the
trigger pulse is an external trigger input inhibition
area. There is no guarantee of operation for any
trigger input in this period.
XC-ST51/ST51CE
XC-ST50/ST50CE
XC-ST30/ST30CE
2
Exposure
*
2
*
2
time (Te)
T: T=under 10 µ sec
*
4
*
4
2
µ
65
sec
µ
10
sec
Normal operation*
3
Trigger pulse width*
3
5
*
*4 If there is a falling edge on the external VD within
a period of –65 to +10 µ sec from the falling trigger
edge (1 and 2 in the figure), it is not defined
whether the image is output for the external VD
falling edge or the image is output for the next
external VD falling edge. (1 in the figure shows
that the image is output for the next external VD.
2 shows the image for the external VD.) In this
case, see WEN since output of the image and WEN
make up a pair. In any other case, the image is
output for the external VD falling edge after the
trigger falling edge (3 in the figure).
*5 When the external trigger shutter mode changes
into the normal operation mode, one WEN signal
is output.
Note
An image is not output correctly when the next trigger is
input before the image for the previous trigger has been
output.
Mode Settings
Mode transition state
External input
External trigger
inhibition area
shutter operation
(50 msec)
3
Exposure time (Te)
µ
10
sec or more
3
*
2
14