Image Processing; Outline - Canon CANOSCAN FB1210U Service Manual

CHAPTER 2
III. IMAGE PROCESSING
A. Outline
The image processing system converts light signals read by the CCD to electric signals, then
outputs the image data to the host computer via the USB interface upon various image
processing.
USB Connector
D+
USB
USB
Controller
D-
Home Position
Sensor
2 - 10
CPU
Clock
Control Signal
Data
ASIC
Status Signal
Motor
Driver
Drive Motor
Figure 2-9
©
COPYRIGHT 2000 CANON INC. CANOSCAN FB1210U REV.0 APR. 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
SRAM
ROM
Data
DRAM
Control
Signal
Clock
Control Signal
Analog IC
Data
Inverter
Vin
CCD
Control Clock
Scanning Lamp