Optical navigation device which can determine dirtiness level of cover or fix multi light pattern issue
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United States of America Patent
Stats
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May 7, 2024
Grant Date -
Nov 24, 2022
app pub date -
Aug 4, 2022
filing date -
Aug 4, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An auto clean machine, comprising: an optical sensor; a light source, configured to generate a first light pattern; and a processing circuit, configured to determine which light pattern is the first light pattern if the optical sensor senses more than one light pattern. The present invention also discloses an optical navigation device with a first optical sensor and a second optical sensor.
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International Classification(s)
- 2022 Application Filing Year
- A47L Class
- 1107 Applications Filed
- 409 Patents Issued To-Date
- 36.95 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- A47L Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 7, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 7, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 7, 2035 |
