Pulse or digital communications – Synchronizers – Frequency or phase control using synchronizing signal
Reexamination Certificate
2005-02-10
2008-09-09
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Synchronizers
Frequency or phase control using synchronizing signal
C375S346000, C375S359000, C375S365000, C375S366000, C375S371000, C375S373000, C375S374000, C375S375000
Reexamination Certificate
active
07424078
ABSTRACT:
In the synchronous compensator, a load generator loads a bit counter with data in dependence upon whether or not a detection signal from a UW detector falls within the range indicated by an enable signal from a synchronous compensator circuit, thereby excluding the detection signal appearing far from the normal position to establish an appropriate synchronous compensation. The synchronous compensation is thus accomplished on the basis of normally received signal waves without picking up abnormal waves supposed as reflected waves.
REFERENCES:
patent: 4974081 (1990-11-01), Yokogawa
patent: 5946358 (1999-08-01), Horimoto
patent: 6246291 (2001-06-01), Schuur et al.
patent: 6317441 (2001-11-01), Nakajima
patent: 6556592 (2003-04-01), Kasuya
patent: 2004/0242251 (2004-12-01), Hagiwara
Kasamura Kenji
Takata Yasuhiro
Liu Shuwang
Oki Electric Industry Co. Ltd.
Studebaker Donald R.
Studebaker & Brackett PC
Timory Kabir A
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