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.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Mar. 14, 2024
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventor:
Shinji Yamagami, Kyoto, JP;
Assignee:
ROHM CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); G06F 3/16 (2006.01);
U.S. Cl.
CPC ...
H03M 1/66 (2013.01); G06F 3/162 (2013.01);
Abstract
An audio D/A converter for converting direct stream digital (DSD) data having a modulation rate m into an analog signal includes: an N-bit (N≥2) segment type D/A converter, a shift register configured to store M-bits (N≤MSN/m) of the DSD data; and a controller configured to supply an N-bit output code containing p 1s to the segment type D/A converter when the number of 1s stored in the shift register is p.