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:
Feb. 24, 2015

Filed:

Sep. 28, 2010
Applicants:

Atsuko Onishi, Chiyoda-ku, JP;

Yoshiyuki Kubota, Chiyoda-ku, JP;

Inventors:

Atsuko Onishi, Chiyoda-ku, JP;

Yoshiyuki Kubota, Chiyoda-ku, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); G06F 1/03 (2006.01);
U.S. Cl.
CPC ...
H03M 1/66 (2013.01); G06F 1/0321 (2013.01);
Abstract

A D/A converter according to the present invention includes a wave-form data-array memory means for memorizing a wave-form data array configured of a plurality of digital values, a wave-form output-format data memory means for memorizing wave-form output-format data designating a wave-form output period, a digital value output means for sequentially reading out the digital values for each wave-form output period from the wave-form data-array memory means and outputting the values, and a D/A conversion means for converting the digital values outputted from the digital value output means into analog-data values.


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