Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2011-03-22
2011-03-22
Chang, Daniel D (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S030000, C326S086000, C327S379000
Reexamination Certificate
active
07911232
ABSTRACT:
To easily judge a transmission signal outputted from an own electronic device. A transmission part7outputs a transmission signal to a transmission path1side. Switching parts Q1and Q2are connected between a constant voltage power source and the transmission path1, to switch on/off of a signal supplied from the constant voltage power source, being the transmission signal from the transmission part7, and output it to the transmission path1. A reception part9receives the transmission signal from the transmission path1. A detection part13is connected between the constant voltage power source and the switching parts Q1, Q2, to detect the transmission signal from the transmission part7flowing through the switching parts Q1and Q2. A selection part15selects the reception part9, when the transmission signal from the transmission part7is not detected by the detection part13.
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International Search Report of PCT/JP2008/062734, Mailing Date of Oct. 14, 2008.
B & Plus K.K.
Chang Daniel D
Westerman Hattori Daniels & Adrian LLP
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