Patent · US Active

Current-source circuit

US8525582B2 · kind B2 · utility

2Cited by

6References

14Claims

0Family size

Assignee

FUJITSU LIMITED · JP

Inventor

Satoshi Matsubara · Machida, JP

Key dates

Filing date	May 12, 2011
Grant date	Sep 3, 2013
Priority date	—
Expiry date	Dec 2, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG05F3/262
WIPO fieldControl
WIPO sectorInstruments

Abstract

A current-source circuit includes a plurality of input-side transistors; a plurality of output-side transistors current-mirror-coupled to the plurality of input-side transistors; an output terminal from which an output current is output; and a switching control circuit to switch the plurality of input-side transistors and activate at least one of the plurality of input-side transistors sequentially.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.