Imaging apparatus with multiple local clocks for readout...

Details Imaging apparatus with multiple local clocks for readout... Imaging apparatus with multiple local clocks for readout...

2005-11-22

2005-11-22

Tran, Thai (Department: 2612)

Television

Camera, system and detail

Solid-state image sensor

Reexamination Certificate

active

06967683

ABSTRACT:
In an imaging device having an array of photosensors, each photosensor being associated with a shift register stage for reading out image signals, there is provided a number of local clock drivers, each local clock driver being associated with a subset of photosensors. A reset flip-flop is associated with each subset of photosensors, and is used to “hand off” shift register activities from one local clock driver to the next as image data is read out. By having a series of local clock drivers, performance problems related to parasitic capacitance on the shift register lines are lessened.

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