Disk device and recording method
US-2025291516-A1 · Sep 18, 2025 · US
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Control of operating function, e.g. switching from recording to reproducing
Control of operating function, e.g. switching from recording to reproducing · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B15/02 |
| Official title | Control of operating function, e.g. switching from recording to reproducing |
| Display label | Control of operating function, e.g. switching from recording to reproducing |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-dimensional magnetic recording device capable of positioning the head based on reading of first and second readers
US-10872630-B2 · Dec 22, 2020 · US
Magnetic disk drive and read processing method
US-2020211588-A1 · Jul 2, 2020 · US
Method for correcting position offset of the heads on two dimensional magnetic recording device
US-10529365-B2 · Jan 7, 2020 · US
Magnetic disk device and read/write offset correction method
US-2019198050-A1 · Jun 27, 2019 · US
Apparatus having recessed tmr read sensor structures for robust head-tape interface
US-2019180773-A1 · Jun 13, 2019 · US
Avoiding debris accumulation on tape drive
US-9934816-B1 · Apr 3, 2018 · US
Magnetic recording and reproducing device having magnetic head with first and second reproducing element portions and magnetic reproducing method
US-9824703-B2 · Nov 21, 2017 · US
Magnetic recording and reproducing device and magnetic reproducing method
US-2017243604-A1 · Aug 24, 2017 · US
Measurement circuit for microwave assisted magnetic recording
US-9691415-B2 · Jun 27, 2017 · US
Configurable write current overshoot system for hdd write driver
US-2017148472-A1 · May 25, 2017 · US
Measurement circuit for microwave assisted magnetic recording
US-2017140779-A1 · May 18, 2017 · US
Additional overshoot current HDD write driver circuit
US-9601152-B2 · Mar 21, 2017 · US
Mobile terminal and controlling method thereof
US-9473697-B2 · Oct 18, 2016 · US
Configurable write current overshoot system for hdd write driver
US-2016260455-A1 · Sep 8, 2016 · US
Data management apparatus and control method of data management apparatus
US-9317220-B2 · Apr 19, 2016 · US
Mobile terminal and controlling method thereof
US-2015334293-A1 · Nov 19, 2015 · US
Storing write environment conditions
US-9190112-B1 · Nov 17, 2015 · US
Storage system and control apparatus
US-9153278-B2 · Oct 6, 2015 · US
Storage system and control apparatus
US-2015243316-A1 · Aug 27, 2015 · US