Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control
Reexamination Certificate
2008-09-02
2008-09-02
Cox, Cassandra (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Rectangular or pulse waveform width control
C327S172000
Reexamination Certificate
active
11740872
ABSTRACT:
A pulse extension circuit for extending a pulse signal includes an input unit for receiving the pulse signal, an edge detection unit coupled to the input unit for generating a initiation signal, a pulse initiation unit coupled to the edge detection unit for outputting a control signal and adjusting a voltage level of the control signal, a pulse width control unit coupled to the pulse initiation unit for outputting a termination signal, a reset unit coupled to the edge detection unit, the pulse initiation unit and the pulse width control unit for outputting the first reset signal and the second reset signal to reset the pulse initiation unit and the pulse width control unit, and an output unit coupled to the input unit and the pulse initiation unit for extending a signal period of the pulse signal according to the pulse signal and the control signal.
REFERENCES:
patent: 5682113 (1997-10-01), Park et al.
patent: 6016070 (2000-01-01), Uehara
patent: 6060923 (2000-05-01), Sasaki
patent: 6753713 (2004-06-01), Barth et al.
patent: 6838919 (2005-01-01), Kaviani
patent: 7299374 (2007-11-01), Dawson et al.
Hsu Liang-Kuei
Tung Chia-Hsin
Cox Cassandra
NOVATEK Microelectronics Corp.
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