Hitachi HV-D20P Multi Purpose 3CCD Color Camera
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→ Optical system: 1/2-inch, F1.6 prism
→ Imaging system: R, G, B 3 CCD
→ Picture elements: Corresponding to 1/3-inch interline transfer CCD (with microlenses)
→ Total pixels: 795 (H) x 596 (V)
→ Effective pixels: 752 (H) x 582 (V)
→ Effective image area: 6.35 (H) x 4.78(V) mm
→ Scanning system: 2:1 interlace
→ Scanning frequency: 15.634 kHz (H) x 50.00 Hz (V)
→ Encoder system: R-Y/B-Y
→ Sync system: Internal/external (VBS, BBS or HD/VD auto selection, when internal input/output switch is input position)
→ Horizontal resolution: 800 TV lines, luminance signal center (Y out and DTL off)
→ S/N: 62 dB type (DNR on), 59 dB type (DNR off); (Y out, γ=1, DTL off, GAIN 0 dB)
→ Standard sensitivity: 2000 lx, F11
→ Minimum illumination: 0.4 lx (50 IRE, F1.6, GAIN 24 dB, DIGITAL GAIN 12 dB)
→ Gamma correction: 0.45/1.0 (on/off)
→ Geometric distortion: Full screen 0% (not including lens characteristics)
→ Registration: Full screen 0.05% (not including lens characteristics)
→ Vertical contour compensation: 2H
→ Lens mount: C mount (flangeback 17.25 mm in air)
→ Sensitivity selection: AGC (0 to 24 dB) or GAIN (0 to 24 dB step1dB or step 3 dB on remote control menu)
→ Detail control: DTL level and frequency
→ Scene files: 4 Files
→ Digital gain: 6 dB, 12 dB sensitivity increase by digital signal processing
→ CCD drive functions:
→ Preset: 1/60, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/10,000 1/20,000 1/40,000 1/100,000second
→ Lockscan: 1/50.31 to 1/2024 second (step 1H) to 1/100,000 second (step approx. 10% video level)
→ AES: Off to approx. 1/100,000 second
→ Long term integration: Field/frame integration selectable
→ Field integration: 1/25 to approx. 4 seconds (1 frame steps)
→ Frame integration: 1/25 to approx. 8 seconds (1 frame steps) (external image memory needed for continuous image)
→ Frame readout: improves vertical resolution (residual image response deterioration)
→ Color bar: Full
→ Power supply voltage: 12 V rated (Stable operation at 10.5 to 15 VDC (ripple and noise absent))
→ Power consumption: Approx. 5.0 W
→ Dimensions 65 (W) x 65 (H) x 130 (D) mm
→ Mass Approx. 450 g (not including lens)
→ Ambient temperature Operating -10 to 45°C: Storage -20 to 60°C
The Hitachi HVD20P is a three CCD color camera combining high picture quality and high stability with the convenience of C mount optics. CCD size is 1/2-inch and each is comprised of 470,000 picture elements. The circuits from processor to encoder are digitized and contained on a single LSI chip. Hitachi's extensive experience in broadcast and industrial color cameras has lead to an exclusive 14-bit digital processing technology that provides a host of important functions in a newly developed LSI device. The high quality signal processing and image compensating functions were unattainable in earlier analog cameras. The versatile C mount also allows use with a broad range of optical systems and opens up applications in a wide variety of fields.
The Hitachi HV D20P leading edge processing technology (0.18 μm, internal core 1.8V drive, and 3 million gates) is contained on a single newly developed ultra LSI chip. The system is compact and consumes very little power. Also, the 12-bit A/D converter and 14-bit internal processor provide high signal to noise ratio and wide dynamic range. The camera uses a C mount lens, which is the de facto standard in the industry. Three 1/2-inch 470,000 pixel CCDs with high sensitivity microlenses are mated to prism optics using high precision matching technology. Accelerated digital luminance signal processing is used to deliver a horizontal resolution of 800 TV lines (luminance channel). A new digital noise reduction system provides 62 dB signal to noise ratio. Clear low noise images are obtained even in high gain mode. The +24 dB high gain mode and +12 dB digital gain function combine for astonishingly high sensitivity. Minimum illumination is 0.4 lx and the noise reduction effectiveness allows scene pickup under adverse conditions beyond the capability of earlier CCD cameras. Color shading incurred when using a C mount lens is automatically compensated (attenuated). Two modes of shading are provided and can be selected according to the cameras application, a vertical color shading mode or a two-dimensional luminance-shading mode.
Similar Models:
HV-D20P: 1/2-inch CCD; PAL; 0.4 lx.
HV-D25: 1/2-inch CCD; NTSC/PAL; 1.5 lx.
HV-D30: 1/3-inch CCD; NTSC/PAL; 0.9 lx; 768 x 494 pixels; Internal/External Sync; BNC, S-Video, Component Video Output.
HV-D30-S4: 1/3-inch CCD; NTSC/PAL; 0.9 lx; 752 x 582 pixels; Internal Sync; Composite Y/C, RGB, Y/R-Y/B-Y Video Output.
