Battery pack, electric wheelchair, and vehicle
US-2024006711-A1 · Jan 4, 2024 · US
Power assist device and ambulatory assist vehicle
US9315115B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9315115-B2 |
| Application number | US-201414289441-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 28, 2014 |
| Priority date | May 30, 2013 |
| Publication date | Apr 19, 2016 |
| Grant date | Apr 19, 2016 |
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Abstract
Official abstract text for this publication.
A power assist device for assisting a user to operate an object. The power assist device includes a pressure sensor that detects an operating force applied to the object by the user; a motor that outputs and applies a motive force to the object; and a controller. The controller records a history of the operating force detected by the pressure sensor; detects a periodically fluctuating component of the operating force based on the history of the operating force; calculates a component of a current operating force caused by motion of the user operating the object; calculates a correction value that excludes the component caused by motion of the user from the current operating force; calculates a power assist force based on the correction value; and outputs the power assist force as the motive force of the motor.
First claim
Opening claim text (preview).
What is claimed is: 1. A power assist device for assisting a user to operate an object, comprising: a pressure sensor that detects an operating force applied to the object by the user; a motor that outputs and applies a motive force to the object; and a controller that: records a history of the operating force detected by the pressure sensor; detects a periodically fluctuating component of the operating force based on the history of the operating force; calculates a compo…
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Frequently asked questions
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- What does patent US9315115B2 cover?
- A power assist device for assisting a user to operate an object. The power assist device includes a pressure sensor that detects an operating force applied to the object by the user; a motor that outputs and applies a motive force to the object; and a controller. The controller records a history of the operating force detected by the pressure sensor; detects a periodically fluctuating component…
- Who is the assignee on this patent?
- Funai Electric Co
- What technology area does this patent fall under?
- Primary CPC classification A61G5/04. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 19 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).