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The Hitachi HV-D20P is a high performance CCTV camera designed for industrial imaging applications. At the core of the camera is a 3CCD image sensor supported by a wealth of advanced image enhancing controls. Aside from its outstanding image quality and signal stability, this camera has a number of features unique to the image processing industry. These include independent color masking, Auto Shading Compensation and Intelligent ALC, all of which can be manually selected. In addition to a comprehensive on-screen menu setup, all camera operations can also be accessed remotely from a PC via RS-232C.
C Lens Mount
This camera is equipped with a C lens mount, the de facto standard in the industry.
One Chip LSI
Hitachi's leading edge processing technology (0.18 µm, internal core 1.8V drive, and 3 million gates) is contained on a single ultra LSI chip. The system is compact and consumes very little power.
High Picture Quality
High resolution and sensitivity are achieved through the use of advanced CCD technology and three 1/2" 470,000-pixel CCDs. Together with the 12-bit A/D converter and 14-bit internal processor, a horizontal resolution of 800 TV lines and 62dB S/N ratio are obtained with the use of a digital noise reduction system (DNR). Clear low noise images are obtained even in high gain mode.
6 Color Independent Masking
The user can adjust hue and saturation of the three primary (RGB) colors and three complementary (Mg, Ye, Cy) colors independently.
Auto Shading Compensation (ASC)
The ASC function can automatically compensate for color shading errors caused by interaction between the lens and prism assembly in C mount optical systems. Three modes of shading are provided and can be selected according to the camera application - a color shading mode, a 2-dimensional luminance mode, or a flat shading mode.
Intelligent ALC (Auto Level Control)
Unattended operation under a wide range of illumination levels is possible with the selection of the auto mode from the main menu. The built-in microprocessor controls the gain function (AGC), the electronic shutter (AES), and auto iris function so the proper video level is maintained over a wide range of light levels.
Control of camera functions and storage of setup data can be achieved with the use of a personal computer through the use of the RS-232C interface.
In the Box
Hitachi HV-D20P 1/2" 3CCD Color Camera (PAL)
Table of Contents
Three 1/2" CCDs
Number of Pixels
752 x 582
Accepts C mount lenses
Auto iris Video
0.4 Lux (50 IRE, F1.6, Gain +24dB, Digital Gain +12dB)
AGC (AGC 0 to +24dB or Gain 0 to +24dB step 1dB or step 3dB on remote control menu) Vertical Contour Correction (2H) Shutter (1/60-1/100,000 sec with preset, lockscan, AES and long integration)