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US 10,895,820 B2Granted
Pulse signal generation circuit and image forming apparatus including the same
AssigneeCanon Kabushiki Kaisha
InventorYoshifumi Takao
Life of this patent
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Abstract
There is provided a pulse signal generation circuit capable of generating a high-resolution pulse signal by generating pattern data by performing a logical operation on rising data that indicates the rising of a pulse signal and falling data that indicates the falling of the pulse signal.
Claims3
A pulse signal generation circuit that generates a pulse signal, the pulse signal generation circuit comprising:
- a pattern generation unit configured to
- generate, as a first bit pattern, rising data, indicating rising of the pulse signal, and falling data, indicating falling of the pulse signal, wherein each of the rising data and the falling data of the first bit pattern includes a plurality of pieces of bit data, and
- generate a second bit pattern, including a plurality of pieces of bit data, by performing a logical operation using the rising data and the falling data;
- a clock signal generation unit configured to generate a clock signal;
- and
- a shift register configured to have the second bit pattern set therein, the second bit pattern generated by the pattern generation unit,
- wherein the pulse signal is generated by the shift register outputting pattern data of the second bit pattern, one bit at a time in synchronization with the clock signal.
4 more elements
Dependencies are inferred from the claim text.