Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
US-2024112697-A1 · Apr 4, 2024 · US
on longitudinal tracks only, e.g. for serpentine format recording
on longitudinal tracks only, e.g. for serpentine format recording · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B5/00817 |
| Official title | {on longitudinal tracks only, e.g. for serpentine format recording} |
| Display label | on longitudinal tracks only, e.g. for serpentine format recording |
| Total patents | 397 |
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 | 46 |
| 2016 | 43 |
| 2017 | 35 |
| 2018 | 36 |
| 2019 | 39 |
| 2020 | 49 |
| 2021 | 63 |
| 2022 | 32 |
| 2023 | 20 |
| 2024 | 21 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Writing redundant data on tape media
US-9502052-B1 · Nov 22, 2016 · US
Write head for a magnetic tape medium with magnetically encoded servo band bursts
US-9443539-B2 · Sep 13, 2016 · US
High density timing based servo format
US-9443540-B2 · Sep 13, 2016 · US
Corrosion resistance in air bearing surfaces
US-9431034-B1 · Aug 30, 2016 · US
Doubly distributed erasure codes
US-9431054-B1 · Aug 30, 2016 · US
Coarse actuator positioning algorithm
US-2016196845-A1 · Jul 7, 2016 · US
Calibrating a tape drive
US-2016189737-A1 · Jun 30, 2016 · US
Tape head assembly for linear tape open
US-2016180872-A1 · Jun 23, 2016 · US
Recording medium having independent track for velocity, timing and/or longitudinal position
US-9336805-B2 · May 10, 2016 · US
Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system
US-9324347-B2 · Apr 26, 2016 · US
Coarse actuator positioning algorithm
US-9299373-B2 · Mar 29, 2016 · US
Variable stopwrite threshold with variable smoothing factor
US-9263065-B2 · Feb 16, 2016 · US
Reclamation of data on tape cartridge
US-9236065-B2 · Jan 12, 2016 · US
Lens device and position detection method of movable optical element
US-2015381924-A1 · Dec 31, 2015 · US
Linear recording executing optimum writing upon receipt of series of commands including mixed read and write commands
US-2015370714-A1 · Dec 24, 2015 · US
Operating a tape storage device
US-9218839-B2 · Dec 22, 2015 · US
Magnetic tape medium with magnetically encoded servo band bursts
US-2015356984-A1 · Dec 10, 2015 · US
Magnetic tape medium with magnetically encoded servo band bursts
US-2015356993-A1 · Dec 10, 2015 · US
Tape drives generating best access order of randomly stored files on a tape
US-2015347034-A1 · Dec 3, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B5/00817?
- CPC G11B5/00817 is the Cooperative Patent Classification code for “on longitudinal tracks only, e.g. for serpentine format recording.”
- How many patents are filed under CPC G11B5/00817 (on longitudinal tracks only, e.g. for serpentine format recording)?
- Our database includes 397 publications tagged with this CPC code.
- Is patent activity under CPC G11B5/00817 growing?
- Publication counts under this code: 21 in 2024 vs 8 in 2025 (latest complete years).