Semiconductor device and IC label, IC tag, and IC card...

Details Semiconductor device and IC label, IC tag, and IC card... Semiconductor device and IC label, IC tag, and IC card...

2008-05-29

2011-10-11

Lee, Benjamin C (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S572100, C340S539100, C340S010340, C455S269000, C455S127100, C455S343100, C323S282000, C323S284000, C323S265000

Reexamination Certificate

active

08035484

ABSTRACT:
A charge accumulation circuit having a structure in which a capacitor is divided into a plurality of pieces and the divided capacitors are connected in parallel through switches is provided. The charge accumulation circuit controls the switch provided between the capacitors and thus can dynamically vary electrostatic capacitance of the charge accumulation circuit which applies a voltage to a constant voltage circuit.

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