Electrical computers and digital processing systems: support – Clock – pulse – or timing signal generation or analysis
Reexamination Certificate
2009-02-27
2011-10-18
Auve, Glenn A (Department: 2111)
Electrical computers and digital processing systems: support
Clock, pulse, or timing signal generation or analysis
C327S160000, C327S291000
Reexamination Certificate
active
08041982
ABSTRACT:
Various apparatuses, methods and systems for a real time clock are disclosed herein. For example, some embodiments provide a real time clock including a clock generator having a first input connected to a clock signal and a second input connected to a time set signal. The clock generator produces a time change signal at an output of the clock generator. Counters, each adapted to track a different unit of time, are connected to the time change signal. The clock generator is adapted to generate a pulse on the time change signal for each pulse of the time set signal, and to generate separate pulses on the time change signal for consecutive pulses on the clock signal and the time set signal.
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patent: 5418932 (1995-05-01), Watabe et al.
patent: 7093144 (2006-08-01), Skroch
patent: 7962773 (2011-06-01), Fernald et al.
Texas Instruments Incorporated, Real-Time Clock (RTC), BQ32000 data sheet, Dec. 2008, www.ti.com, USA.
Auve Glenn A
Brady III Wade J.
Patti John J.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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