Near-field transducer with a dielectric slit at internal surfaces for controlling feedback to a light source
US-10283152-B1 · May 7, 2019 · US
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Heads, e.g. forming of the optical beam spot or modulation of the optical beam (disposition or mounting of head elements within housing or with provision for moving of light source, optical beam or detector, irrelevant to the transducing method G11B7/08 {; modulating lasers H01S3/10; controlling the intensity, colour, phase, polarisation or direction of light beams arriving from an independent light source, e.g. switching gating or modulating G02F1/00})
Heads, e.g. forming of the optical beam spot or modulation of the optical beam (disposition or mounting of head elements within housing or with provision for moving of light source, optical beam or detector, irrelevant to the transducing method G11B7/08 {; modulating lasers H01S3/10; controlling the intensity, colour, phase, polarisation or direction of light beams arriving from an independent light source, e.g. switching gating or modulating G02F1/00}) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B7/12 |
| Official title | Heads, e.g. forming of the optical beam spot or modulation of the optical beam (disposition or mounting of head elements within housing or with provision for moving of light source, optical beam or detector, irrelevant to the transducing method G11B7/08 {; modulating lasers H01S3/10; controlling the intensity, colour, phase, polarisation or direction of light beams arriving from an independent light source, e.g. switching gating or modulating G02F1/00}) |
| Display label | Heads, e.g. forming of the optical beam spot or modulation of the optical beam (disposition or mounting of head elements within housing or with provision for moving of light source, optical beam or detector, irrelevant to the transducing method G11B7/08 {; modulating lasers H01S3/10; controlling the intensity, colour, phase, polarisation or direction of light beams arriving from an independent light source, e.g. switching gating or modulating G02F1/00}) |
| Total patents | 13 |
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 | 6 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical disc and method for judging whether optical disc is placed reversely
US-10115426-B1 · Oct 30, 2018 · US
Optical disc and method for judging whether optical disc is placed reversely
US-10056104-B1 · Aug 21, 2018 · US
Optical disk drive with multiple optical pick-up heads
US-9922675-B1 · Mar 20, 2018 · US
Optical head for hologram optical apparatus and method of operating the same
US-9753432-B2 · Sep 5, 2017 · US
Layered optical waveguide and near field transducer
US-9304252-B2 · Apr 5, 2016 · US
Optical element holder and optical pickup provided with same
US-9299383-B2 · Mar 29, 2016 · US
Electronic unit, optcal disk knit, display unit, and image pickup unit
US-9153935-B2 · Oct 6, 2015 · US
Layered optical waveguide and near field transducer
US-2015277039-A1 · Oct 1, 2015 · US
Lens and optical pickup device
US-2015116850-A1 · Apr 30, 2015 · US
Optical information storage medium reproduction apparatus and control method of the same
US-8976637-B2 · Mar 10, 2015 · US
Lens forming metal mold, lens forming method and pickup device
US-8945438-B2 · Feb 3, 2015 · US
Electronic unit, optical disk unit, display unit, and image pickup unit
US-2015024221-A1 · Jan 22, 2015 · US