Vehicle traction control based driveline thermal protection
US-2017320487-A1 · Nov 9, 2017 · US
Rotation calculating system and rotation calculating method
US11072394B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11072394-B2 |
| Application number | US-201916705246-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 6, 2019 |
| Priority date | Jul 11, 2017 |
| Publication date | Jul 27, 2021 |
| Grant date | Jul 27, 2021 |
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- Title
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Abstract
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A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device. The first rotating device is a wheel, and the first target device is the wheel.
First claim
Opening claim text (preview).
What is claimed is: 1. A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device; wherein the first optical characteristic acquiring device and the calculating unit are provided inside a quick release axle of a quick release of a bicycle. 2. A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device; wherein the first optical characteristic acquiring device and the calculating unit are provided inside a quick release axle of a quick release of a bicycle; wherein the first rotating device is a wheel of the bicycle. 3. A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device; wherein the first optical characteristic acquiring device and the calculating unit are provided inside a quick release axle of a quick release of a bicycle; wherein the first rotating device is a wheel of the bicycle, and the first target device is a hub connected to the wheel.
Assignees
Inventors
Classifications
- G01P3/486Primary
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- What does patent US11072394B2 cover?
- A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device. The first rotating device is a wheel, and t…
- Who is the assignee on this patent?
- Pixart Imaging Inc
- What technology area does this patent fall under?
- Primary CPC classification G01P3/486. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jul 27 2021 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).