Actuator driver
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 27, 2024
Grant Date -
Oct 7, 2021
app pub date -
Jun 15, 2021
filing date -
Oct 7, 2016
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A position detection unit generates a position detection value PFB that indicates the position of a control target. A temperature detection unit generates a temperature detection value that indicates the temperature. A correction unit corrects the position detection value PFB. A controller generates a control instruction value SREF such that the position detection value PFB_CMP subjected to the correction matches a position instruction value PREF that indicates the target position of the control target. A driver unit applies a driving signal that corresponds to the control instruction value SREF to an actuator. The correction unit corrects the position detection value PFB such that the relation between the position detection value PFB and the actual position exhibits linearity that is uniform independent of the temperature.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ROHM CO LTD | KYOTO-SHI KYOTO 615-8585 |
International Classification(s)

- 2021 Application Filing Year
- H02K Class
- 2848 Applications Filed
- 1437 Patents Issued To-Date
- 50.46 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Maede, Jun | Kyoto, JP | 46 | 249 |
# of filed Patents : 46 Total Citations : 249 | |||
Saito, Akihito | Kyoto, JP | 20 | 88 |
# of filed Patents : 20 Total Citations : 88 | |||
Sekimoto, Yoshihiro | Kyoto, JP | 50 | 734 |
# of filed Patents : 50 Total Citations : 734 |
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Patent Citation Ranking
- 0 Citation Count
- H02K Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 27, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 27, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 27, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Apr 14, 2020 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MATSUMOTO, SHUICHI;REEL/FRAME:052481/0145 Owner name: YAMAHA CORPORATION, JAPAN Effective Date: Apr 14, 2020 |

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