Hitachi HV-D27A Webcam User Manual


 
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Hitachi Kokusai Electric Inc
Tokyo Japan
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HV-D27A/HV-D37A
Color Camera
Tentative
Specification
(
5/17
)
4. Specifications
1) Color system NTSC, PAL
2) Optical system HV-D27A: 1/2-inch, F1.6 prism
HV-D37A: 1/3-inch, F2.2 prism
3) Imaging system R, G, B 3 CCD
4) Picture elements HV-D27A: 1/2-inch interline transfer CCD
HV-D37A: 1/3-inch interline transfer CCD
(with microlenses)
Total pixels NTSC 811 (H)
×
508 (V)
PAL 795 (H)
×
596 (V)
Effective pixels NTSC 768 (H)
×
494 (V)
PAL 752 (H)
×
582 (V)
Effective image area HV-D27A: NTSC 6.34 (H)
×
4.76 (V) mm
PAL 6.35 (H)
×
4.78(V) mm
HV-D37A: NTSC 4.79 (H)
×
3.60 (V) mm
PAL 4.80 (H)
×
3.60(V) mm
5) Scanning system 2:1 interlace
6) Scanning frequency
NTSC 15.735 kHz (H)
×
59.94 Hz (V)
PAL 15.634 kHz (H)
×
50.00 Hz (V)
7) Encoder system R-Y/B-Y
8) Sync system Internal/external
(VBS, BBS or HD/VD auto selection, when internal
input/output switch is input position)
9) Horizontal resolution HV-D27A: 800 TV lines, luminance signal center
HV-D37A: 750 TV lines, luminance signal center
(Y out and DTL off)
10) S/N
HV-D27A:
NTSC 62 dB type (DNR on), 59 dB type (DNR off)
PAL 60 dB type (DNR on), 57 dB type (DNR off)
(Y out,
γ
=1, DTL off, GAIN 0 dB)
11) Standard sensitivity 2000 lx, F11
12) Minimum illumination HV-D27A: 0.5 lx (50IRE F1.6)
HV-D37A: 0.9 lx (50% F2.2)
(GAIN +24 dB, DIGITAL GAIN +12 dB)
13) Gamma correction 0.45/1.0 (on/off)
14) Geometric distortion Full screen 0% (not including lens characteristics)
15) Registration
Full screen 0.05% (not including lens characteristics)
16) Vertical contour compensation 2H