Wave transmission lines and networks – Plural channel systems
Reexamination Certificate
2011-06-28
2011-06-28
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Plural channel systems
C333S005000, C333S238000
Reexamination Certificate
active
07969255
ABSTRACT:
A printed circuit board (PCB) capable of decreasing wireless wide area network (WWAN) noise generated due to internal signal interference occurring in the PCB is disclosed. The PCB printed circuit board includes a first layer, a second layer, and at least one insulating layer formed between the first and second layers. The PCB board further includes a first signal line group disposed on the first layer while including a plurality of first signal lines each supplying a first signal, isolation patterns disposed on the first layer such that the isolation patterns are arranged between adjacent ones of the first signal lines, respectively, to prevent the adjacent first signal lines from interfering with each other, and a second signal line group disposed on the second layer while including a plurality of second signal lines each supplying a second signal different from the first signal. The second signal line group corresponds to the isolation patterns.
REFERENCES:
patent: 6040524 (2000-03-01), Kobayashi et al.
patent: 7170361 (2007-01-01), Farnworth
patent: 2008/0088007 (2008-04-01), Quach et al.
patent: 2008/0218285 (2008-09-01), Yeh
Kim Sung Young
Lee Jin Woo
Brinks Hofer Gilson & Lione
Lee Benny
LG. Display Co. Ltd.
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