General Description
The TM-1020-15CL is a miniature, high-resolution mono-
chrome progressive scan CCD camera. The imager resolu-
tion is 1008 x 1018 pixels and the frame rate is 15 frames
per second. The interline transfer CCD permits full vertical
and horizontal resolution of high speed shutter images. The
electronic shutter has speed up to 1/16,000 sec. and can be
reset asynchronously by external pulse control. The square
imager format with uniform square pixels provides superior
image definition in any orientation.
The TM-1020-15CL has a patent-pending, PULNiX exclu-
sive, built-in look-up table (LUT). This full dynamic range-
control function can be set at externally selectable knee
slopes to optimize the CCD’s full dynamic range in the nor-
mal output signal range.
Camera Link™ is a cable specification that includes data
(8 bits) transmission as well as camera control and asyn-
chronous serial communication all on a single cable. The
Camera Link standard defines a single connector for both
the frame grabber and camera end, and ensures that all
Camera Link products are interchangeable with each other.
The TM-1020-15CL has a pixel clock locking phase lock
loop (PLL) for multi-camera operation which requires exact
data and clock phases from each camera (optional).*
Applications for the TM-1020-15CL include machine
vision, medical imaging, intelligent transportation systems,
high-definition graphics, gauging, character recognition, doc-
uments archiving, and surveillance.
Integration
The CCD imager of the TM-1020-15CL can be exposed
for longer than the normal scan timing of 1/15 sec. This inte-
gration feature provides extra sensitivity for dark-environ-
ment applications. The progressive-scan imager permits a
full frame of resolution in non-interlace format. Integration is
achieved by controlling pin #11 of the 12-pin connector to
low (GND).
Asynchronous Reset
The TM-1020-15CL’s asynchronous reset is flexible and
accepts external horizontal drive (HD) for phase locking.
When the VINIT pulse is applied, it resets the camera’s
scanning and purging of the CCD. There are three modes to
control the asynchronous reset and shutter speed:
❶ External VINIT with pulse width. The duration between
pulse edges controls the shutter speed externally.
➋ Internal shutter speed with Fast mode. The video signal
has no delay from the reset timing (shutter speed range is
1/2,000 to 1/16,000 sec.)
➌ Internal shutter speed with Slow mode. The speed con-
trol varies from 1/125 to 1/1,000 sec. The video signal starts
with internal V reset timing related to shutter speed.
Product Summary
•
High resolution, high-speed 1" progressive scan
1008(H) x 1018(V) interline transfer CCD imager
•
Miniature 44x64x44 mm housing with high-rel
connector
•
Digital Camera Link output or analog output
•
15 frames per second
•
Maximum dynamic range control with exclusive,
patent-pending built-in look-up table (Gamma,
knee, user parameters)
•
Full frame integration, two-row binning
(1008 x 508) pixels
•
Full-frame shutter to 1/16,000 sec.
•
Asynchronous reset with external shutter control
•
LVDS Camera Link external control
Electronic Shutter
The TM-1020-15CL has a substrate drain-type shutter
mechanism which provides a superb picture at various
speeds without smearing. A built-in manual shutter speed
control selects the electronic shutter rate of 1/60 (non-async
mode only), 1/125, 1/250, 1/500, 1/1,000, 1/2,000, 1/4,000,
1/8,000, or 1/16,000 second.
The CCD discharges at a high VINIT of 5V DC. With a
negative pulse to VINIT, the camera resets and purges the
charge momentarily. Then it starts integrating for the period
of preset shutter control time by either an external pulse
width or internal shutter control.
Progressive scanning permits a full 1000 lines of vertical
resolution, as compared to a conventional CCD camera
which captures only half the vertical lines per shutter.
(138 Seiten)
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