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Hitachi Kokusai Electric America
Hitachi HV-D27A
Remote Head 3CCD Color Camera
(view product catalog in ADOBE PDF)

Hitachi HV-D27A Cameras

 

 

HV-D27A color camera is a separate type camera head utilizing three CCDs in a compact and light weight and camera control unit (CCU) system. By utilizing 410,000 pixels (470,000 pixels PAL) CCDs in addition to single LSI chip digital circuit construction from processor to encoder, both high picture quality and high stability have been achieved. CCD size is 1/2-inch for the HV-D27A. 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, factory automation, image processing, microscope technology etc.

  • Single chip LSI camera signal processor
  • C mount
  • High resolution
  • High S/N
  • High sensitivity
  • Digital processing enables quality enhancement functions
  • Auto shading compensation (ASC)
  • CCD drive functions
  • Versatile pickup functions
  • Bi-directional data transferSwitchable video signal outputs
    		•

    Specifications

    Optical system 1/2 inch F1.6 prism
    Imaging system R, G, B 3 CCD
      NTSC PAL
    Picture elements 1/2-inch interline transfer CCD
    Total pixels
    		 811 (H) × 508 (V) 795 (H) × 596 (V)
    Effective pixels
    		 768 (H) × 494 (V) 752 (H) × 582 (V)
    Effective image area
    		 6.34 (H) × 4.76 (V) mm 6.35 (H) × 4.78(V) mm
    Scanning system
    		 2:1 interlaced
    Scanning frequency NTSC PAL
    Hor.
    		15.734 kHz 15.625 kHz
    Vert.
    		 59.94 kHz 50 Hz
    Encoder system
    		 2:1 interlaced
    Sync system Internal/external
    Horizontal resolution 800 TV lines, luminance signal center
    S/N
    		NTSC PAL
    		62 dB type (DNR on), 59 dB type (DNR off) 60 dB type (DNR on), 57 dB type (DNR off)
    Standard sensitivity 2000 lx, F11
    Minimum illumination 0.5 lx (50IRE F1.6)
    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 17.526 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:
    		1/100 (1/60 PAL), 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/10,000 1/20,000 1/40,000 1/100,000second
    Lockscan:
    		NTSC 1/60.38 to 1/2039 second (step 1H), to 1/100,000 second (step approx. 10% video level)
    PAL 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
    		NTSC 1/30 to approx. 4 seconds (1 frame steps)
    PAL 1/25 to approx. 4 seconds (1 frame steps)
    Frame integration
    		NTSC 1/30 to approx. 8 seconds (1 frame steps)
    PAL 1/25 to approx. 8 seconds (1 frame steps)
    Frame readout
    		improves vertical resolution (residual image response deterioration)
    Color bar NTSC: SMPTE, PAL: Full
    Power supply voltage 12 V rated
    Power consumption Approx. 6.5 W
    Dimensions HEAD: 38.5(W)×46(H)×42(D)mm
    CCU: 150(W)×45(H)×170(D)mm
    Mass HEAD: Approx. 90 g (not including lens)
    CCU: Approx. 950g
    Ambient temperature Operating 0 to 45 C
    Storage -20 to 60 C


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