The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 16, 2004

Filed:

Jun. 25, 2001
Applicant:
Inventor:

Kouichi Takagi, Tokyo, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 3/24 ;
U.S. Cl.
CPC ...
H03D 3/24 ;
Abstract

A digital PLL pulse generator includes a delay-chain section having a plurality of delay elements forming delayed clock signals with different delayed states; a synchronized-signal detecting section to detect a plurality of delayed clock signals, and to output synchronizing information; a pulse forming section to form an output pulse having a desired pulse width and a desired timing by selecting a desired delayed clock signal, based on the synchronizing information and pulse forming information for forming a desired pulse; a feedback section to receive a feedback pulse returned from an external device as a result of loading the output pulse onto the external device, and to detect a phase difference between the feedback pulse and the output pulse; and a correcting section to correct a timing of the output pulse formed by the pulse forming section in response to the detected phase difference.


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