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TM-1020 Series Progressive Scan Shutter Cameras
Operation
FIGURE 10. No-Delay Shutter
FIGURE 11. No-Delay Shutter and Read-Out Inhibit
The TM-1020A series also has read-out-inhibit control (ROI) to control the vertical clock start (Async
Shutter #9). When ROI is low, V-clock is stopped and the transferred charges remain in the vertical shift
registers, which work like CCD memory. When the ROI is high, it clocks out the CCD data. This helps
a single frame grabber process multiple images in pipeline processing (sequential process).
EXT. VINIT (Pulse width control)
HD
INT. VINIT after trailing edge of EXT. VINIT
Discharge
Transfer Gate
FDV
Analog Video Sync
Exposure time set by pulse width
41H
Vsync
VINIT (External Pulse Width Control Trigger)
No-Delay Shutter (All cameras)
No-delay Exposure
Discharge
Transfer Gate
ROI Control: Camera #1
Camera #1 Video
ROI Control: Camera #2
Camera #2 Video
ROI pulse width: Min. 1H to 1frame
Max. 1H delay
FDV/Vsync