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Gemini
 

 

 Gemini - Ultra Compact Monochrome 1.3 Megapixel CMOS Camera
Monochrome 1.3 megapixel (1280 x 1024) CMOS camera with USB2.0 interface. It is designed for capturing, streaming and storing high quality digital images.

 

Features
  • Low power consumption
  • 1280 x 1024 active imaging pixels
  • High sensitivity
  • Optional external trigger connector
  • Rolling shutter
  • Small size
  • USB2.0 interface
  • Cost effective
Output Video and Camera Control Characteristics
Maximum resolutions of output window: 1280 x 1024, full resolution mode
640 x 512, decimated by 2 mode
Frame rate at resolution (48 MHz): 15 fps at 1280 x 1024
24 fps at 1024 x 768
37 fps at 800 x 600
40 fps at 768 x 576
54.7 fps at 640 x 480
89.5 fps at 400 x 400
166 fps at 320 x 240
Output bits per pixel: 8/10
Lookup table:
(only for 8 bit mode)
Software, 10 bits of imaging chip's ADC to 8 bits of output
Pixel rates: 12 MHz, 24 MHz
Exposure range
(at highest resolution), ms:
min: 0.06 (at 24 MHz)
max: more than 2 sec (with fps decrease)
Pixel gain control: Programmable (Hardware): 48 gain levels from 1 to 15
Output window modes: View port (from 1280 x 1024 to 8 x 8 with 2 pixels/2 lines step positioning)
Frame Decimation (1:1, 1:2, 1:4, 1:8)
Horizontal "mirroring", hardware
Vertical "flipping", hardware
Gamma, brightness and contrast control: Programmable with lookup table, software gamma correction
Imaging Chip Characteristics
Type: Monochrome ½ inch 1.3 megapixel CMOS sensor
manufactured by Micron Technology, Inc
Pixel size: 5.2 µm x 5.2 µm
Image array size: 8.4 mm diagonal
Shutter: Rolling shutter
Scanning mode: Progressive
ADC resolution: 10 bits
Sensitivity: 2.1 V/lux-sec (550nm)
Dynamic Range: 68.2dB

 

Camera Electrical Characteristics

 

Supply voltage: 5 V supplied by USB2.0 interface
Supply current: 90 - 160 mA
Maximum power consumption: 0.45 - 0.8 W

 

Camera Interface Characteristics
Interface Type: USB2.0, 480 Mbps
Connector Type: USB mini-B, 5 pin

 

System Requirements
Operating System: Windows XP Professional SP1 or SP2
Windows Server 2003 SP1
Processor: Pentium 4, 3 GHz or higher, HT or dual-core recommended
RAM: 256 MB, recommended 384 MB
Hard Disk Space: 5 MB for installation plus additional space for captured images
Video: 24 bit True Color, 8 MB video memory
Hardware Interface: USB2.0 Host Controller, recommended Intel integrated host controller (VIA-based USB controller is not recommended)
At least one USB2.0 port for connection.
 

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