Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – Having selection between plural continuous waveforms
Reexamination Certificate
2011-02-08
2011-02-08
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
Having selection between plural continuous waveforms
Reexamination Certificate
active
07884652
ABSTRACT:
A pulse signal generating device includes: the plurality of encoders each of which outputs an encoder signal with a pulse period corresponding to the speed of an object to be detected; delay amount control unit that controls a relative delay amount with respect to a pulse signal for each of the plurality of pulse output signals output from the plurality of encoders; a detection unit that individually detects abnormalities in pulses of the plurality of encoder signals; a switching unit that performs switching to one pulse output signal, in which pulse abnormalities are not detected, of the plurality of pulse output signals; and a pulse generating unit that generates a pulse signal by delaying the one pulse output signal switched by the switching unit by the corresponding relative delay amount.
REFERENCES:
patent: 7671634 (2010-03-01), McCoy
patent: 11-245383 (1999-09-01), None
patent: 2005-091943 (2005-04-01), None
patent: 2005-350195 (2005-12-01), None
Donovan Lincoln
Rojas Daniel
Seiko Epson Corporation
Workman Nydegger
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