Optical unit
US-11141817-B2 · Oct 12, 2021 · US
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Disposition or mounting of heads or light sources relatively to record carriers
Disposition or mounting of heads or light sources relatively to record carriers · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B7/08 |
| Official title | Disposition or mounting of heads or light sources relatively to record carriers |
| Display label | Disposition or mounting of heads or light sources relatively to record carriers |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Evaluating line-of-sight measurements
US-10760919-B2 · Sep 1, 2020 · US
Evaluating line-of-sight measurements
US-2020149911-A1 · May 14, 2020 · US
Optical unit
US-2019262943-A1 · Aug 29, 2019 · US
Optical module for a microlithography objective holding optical elements with supporting devices located in a non-equidistant manner
US-10197925-B2 · Feb 5, 2019 · US
Optical module for a microlithography objective holding optical elements with supporting device located in non-equidistant manner
US-2018373007-A1 · Dec 27, 2018 · US
Fixed position controller and method
US-10031083-B2 · Jul 24, 2018 · US
Polarization state converting element
US-10031270-B2 · Jul 24, 2018 · US
Optical module for a microlithography objective holding optical elements with supporting device located in non-equidistant manner
US-9977228-B2 · May 22, 2018 · US
Optical disk drive with multiple optical pick-up heads
US-9966101-B1 · May 8, 2018 · US
Optical disc drive
US-9959896-B1 · May 1, 2018 · US
Optical disk drive with multiple optical pick-up heads
US-9922675-B1 · Mar 20, 2018 · US
Fixed position controller and method
US-2017307532-A1 · Oct 26, 2017 · US
Polarization state converting element
US-2017219755-A1 · Aug 3, 2017 · US
Optical element holder and optical pickup provided with same
US-9299383-B2 · Mar 29, 2016 · US
In-situ lapping plate mapping device
US-9286930-B2 · Mar 15, 2016 · US
Optical disc device having a protrusion for blocking its optical pickup unit
US-9218840-B2 · Dec 22, 2015 · US
Optical pickup assembly having optical pickup units laterally arranged across a tape path
US-9064505-B2 · Jun 23, 2015 · US
In-situ lapping plate mapping device
US-2015062746-A1 · Mar 5, 2015 · US