Hard disk drive having dual micro-actuators on carriage arms
US-11521646-B2 · Dec 6, 2022 · US
with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)}
with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B5/58 |
| Official title | with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)} |
| Display label | with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)} |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hard disk drive
US-2021256997-A1 · Aug 19, 2021 · US
Hard disk drive having dual micro-actuators on carriage arms
US-10984827-B2 · Apr 20, 2021 · US
Non-interfering micro-positioning system utilizing piezoelectric elements
US-10957362-B1 · Mar 23, 2021 · US
Storage device developed by inhibiting write speed degradation of storage device and method controlling the same
US-2021081124-A1 · Mar 18, 2021 · US
Non-interfering micro-positioning system utilizing piezoelectric elements
US-2021074330-A1 · Mar 11, 2021 · US
Magnetic disk device and write processing method
US-10910013-B1 · Feb 2, 2021 · US
Hard disk drive
US-2021012796-A1 · Jan 14, 2021 · US
Actuator block having dual sensors for detecting the vibration on magnetic disk drive
US-10885936-B2 · Jan 5, 2021 · US
Magnetic disk device
US-10762920-B2 · Sep 1, 2020 · US
Data storage device detecting abnormality with a write assist element based on slope of protrusion
US-10699736-B1 · Jun 30, 2020 · US
Actuator block having dual sensors for detecting vibration on magnetic disk device
US-2020152231-A1 · May 14, 2020 · US
Power loss data block marking
US-10643668-B1 · May 5, 2020 · US
Control value setting method of thermal actuator for magnetic disk device
US-10622010-B2 · Apr 14, 2020 · US
Magnetic disk device and recording method
US-10607643-B2 · Mar 31, 2020 · US
Magnetic disk device
US-2020082846-A1 · Mar 12, 2020 · US
Actuator block having dual sensors for detecting vibration on magnetic disk device
US-10566017-B2 · Feb 18, 2020 · US
Control value setting method of thermal actuator for magnetic disk device
US-2020051587-A1 · Feb 13, 2020 · US
Using signals from perpendicular and longitudinal multitrack magnetic fields for error recovery and/or servo control
US-10490219-B1 · Nov 26, 2019 · US
Reduced latency I/O in multi-actuator device
US-10424328-B1 · Sep 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B5/58?
- CPC G11B5/58 is the Cooperative Patent Classification code for “with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)}.”
- How many patents are filed under CPC G11B5/58 (with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following {(spacing means incorporated in the head structure G11B5/187, G11B5/255, G11B5/3106)})?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC G11B5/58 growing?
- Publication counts under this code: 1 in 2024 vs 7 in 2025 (latest complete years).