Electronic circuit

Details Electronic circuit Electronic circuit

2005-12-14

2009-06-09

Urban, Edward (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

C455S041100, C174S262000, C029S846000

Reexamination Certificate

active

07546106

ABSTRACT:
An electronic circuit capable of carrying out communications by inductive coupling with minimum power consumption between substrates. Although the amplification factor of the amplifier10ais 1, the amplification factors of the amplifiers10bthrough10dare, respectively, 2, 4 and 8. Amplification is carried out at the amplification factors1through15(=1+2+4+8) as a whole by a combination thereof. The transmit power control register21outputs ON and OFF signals to the respective amplifiers10athrough10dso as to bring about transmit power responsive to the distance to a substrate having a receiver coil which is a destination of transmission (that is, the distance between a transmitter coil and a receiver coil), in further detail, so as to have an amplification factor by which transmit power proportionate to the distance can be obtained, and selects a combination of the amplifiers10bthrough10d.

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Office Action mailed Mar. 26, 2008, issued in the corresponding Japanese patent application No. 2004-362460.
Office Action mailed Aug. 27, 2008, issued in the corresponding Japanese patent application No. 2004-362460.

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