Oscillators – Combined with particular output coupling network – Wave filter
Reexamination Certificate
2006-08-08
2008-10-07
Pascal, Robert J. (Department: 2817)
Oscillators
Combined with particular output coupling network
Wave filter
C331S074000, C331S018000, C375S355000
Reexamination Certificate
active
07432770
ABSTRACT:
The present invention provides a signal transmission device in which jitter occurring in a clock signal is eliminated. The signal transmission device has a construction in which a transmission end IC chip provided with a transmission part of a data signal and a reception end IC chip provided with a reception part of the data signal, the transmission part and the reception part are connected via a data signal transmission line, an oscillator that outputs a clock signal to the transmission part is connected with the transmission end IC chip, a clock signal transmission line is provided which leads the clock signal output from the oscillator to the reception part, and a SAW filter is arranged in the clock signal transmission line.
REFERENCES:
patent: 5568098 (1996-10-01), Horie et al.
patent: 5592508 (1997-01-01), Cooper
patent: 5621755 (1997-04-01), Bella et al.
patent: 6404834 (2002-06-01), Hardin et al.
patent: 6744839 (2004-06-01), Tada et al.
patent: 2004-120352 (2004-04-01), None
Rosenbert, R.L. et al., “Optical Fiber Repeatered Transmission Systems Utilizing SAW filters”, IEEE Transactions on Sonics and Ultrasonics, May 1983, vol. 30, No. 3, pp. 119-126.
Nomura Masataka
Shigemori Mikio
Harness & Dickey & Pierce P.L.C.
Johnson Ryan J.
Pascal Robert J.
Seiko Epson Corporation
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