Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Slope control of leading or trailing edge of rectangular or...
Reexamination Certificate
2006-05-16
2006-05-16
Callahan, Timothy P. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Slope control of leading or trailing edge of rectangular or...
C327S134000
Reexamination Certificate
active
07046062
ABSTRACT:
A device and method for calibrating a slew rate is disclosed. The slew rate may be for a driver of a bi-directional buffer. A driver outputs a signal having a frequency. A receiver is coupled to the driver. A frequency counter measures the frequency of the signal. A calibrated slew rate is determined by the frequency of a waveform of the signal. Different waveforms may be determined for the pull-up and pull-down calibrations.
REFERENCES:
patent: 4870629 (1989-09-01), Swerlein et al.
patent: 5256964 (1993-10-01), Ahmed et al.
patent: 5440258 (1995-08-01), Galbi et al.
patent: 5469097 (1995-11-01), Ho
patent: 5543976 (1996-08-01), Dayton et al.
patent: 5621335 (1997-04-01), Andresen
patent: 5659587 (1997-08-01), Knierim
patent: 5703496 (1997-12-01), Sabin
patent: 5887150 (1999-03-01), Schneider et al.
patent: 5949249 (1999-09-01), Preuss et al.
patent: 5959481 (1999-09-01), Donnelly et al.
patent: 6047346 (2000-04-01), Lau et al.
patent: 6075379 (2000-06-01), Haider et al.
patent: 6081134 (2000-06-01), Labram
patent: 6163169 (2000-12-01), Lawson
patent: 6166562 (2000-12-01), Mita et al.
patent: 6172541 (2001-01-01), Young et al.
patent: 6194935 (2001-02-01), Pioppo et al.
patent: 6265921 (2001-07-01), Heinrich
patent: 6278305 (2001-08-01), Tanaka
patent: 6307441 (2001-10-01), Sharpe
patent: 6330194 (2001-12-01), Thomann et al.
patent: 6333654 (2001-12-01), Harris et al.
patent: 6351172 (2002-02-01), Ouyang et al.
patent: 6452428 (2002-09-01), Mooney et al.
patent: 6489807 (2002-12-01), Genna et al.
patent: 6549036 (2003-04-01), Lee
patent: 6571376 (2003-05-01), Levin et al.
patent: 6617895 (2003-09-01), Zumkehr et al.
patent: 6836168 (2004-12-01), Lesea et al.
patent: 6864731 (2005-03-01), Zumkehr et al.
Chandler James E.
Zumkehr John F.
Callahan Timothy P.
Kenyon & Kenyon LLP
Nguyen Hai L.
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