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:
May. 19, 2026

Filed:

Oct. 02, 2024
Applicant:

Paramount Bed Co., Ltd., Tokyo, JP;

Inventors:

Makoto Tanaka, Tokyo, JP;

Masakazu Harada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61G 7/057 (2006.01); A47C 27/08 (2006.01); A47C 27/10 (2006.01); A61G 7/10 (2006.01);
U.S. Cl.
CPC ...
A61G 7/05776 (2013.01); A47C 27/081 (2013.01); A47C 27/082 (2013.01); A47C 27/083 (2013.01); A47C 27/10 (2013.01); A61G 7/05769 (2013.01); A61G 7/1021 (2013.01); A61G 2203/32 (2013.01); A61G 2203/34 (2013.01);
Abstract

A fluid mattress is provided with a fluid supply unit, a fluid path, a plurality of first cells connected to each other, a plurality of second cells connected to each other, a plurality of third cells connected to each other, a pressure sensor, and a controller. The controller measures first time during when a pressure in the first cell changes from a third pressure to a fourth pressure when implementing a first mode by shifting from a third mode, measures second time during when a pressure in the second cell changes from the third pressure to the fourth pressure when implementing a second mode by shifting from the first mode, measures third time during when a pressure in the third cell changes from the third pressure to the fourth pressure when implementing a third mode by shifting from the second mode, and determines a position of a sacral region of a user based on the first time, the second time, and the third time.


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