Image forming apparatus
US-2017307417-A1 · Oct 26, 2017 · US
the beams of light being detected by photocells
the beams of light being detected by photocells · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01D5/34 |
| Official title | the beams of light being detected by photocells |
| Display label | the beams of light being detected by photocells |
| Total patents | 412 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 31 |
| 2017 | 53 |
| 2018 | 46 |
| 2019 | 68 |
| 2020 | 50 |
| 2021 | 38 |
| 2022 | 27 |
| 2023 | 23 |
| 2024 | 24 |
| 2025 | 26 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Capacitive foot presence sensing for footwear
US-2017265582-A1 · Sep 21, 2017 · US
Capacitive foot presence sensing devices for footwear
US-2017265587-A1 · Sep 21, 2017 · US
Bicycle control apparatus
US-9663187-B2 · May 30, 2017 · US
Optical sensors that compensate for ambient light and interference light
US-9642215-B2 · May 2, 2017 · US
Optical encoder
US-2017045381-A1 · Feb 16, 2017 · US
Apparatus to reduce pressure and thermal sensitivity of high precision optical displacement sensors
US-9513145-B2 · Dec 6, 2016 · US
Foreign object detecting device and coating system
US-2016332182-A1 · Nov 17, 2016 · US
Calibration device for work machine and calibration method of working equipment parameter for work machine
US-9481984-B2 · Nov 1, 2016 · US
Method and system for multi-functional embedded sensors
US-9482585-B2 · Nov 1, 2016 · US
Calibration device for work machine and calibration method of working equipment parameter for work machine
US-2016281334-A1 · Sep 29, 2016 · US
Optical sensing apparatus and operating method thereof
US-2016270677-A1 · Sep 22, 2016 · US
Pulsed based sensing
US-2016265968-A1 · Sep 15, 2016 · US
Remote optical position sensing device and methods
US-9423277-B2 · Aug 23, 2016 · US
Automated system and method for detecting defective edges of printed circuit boards and other objects using multiple sensors
US-2016238372-A1 · Aug 18, 2016 · US
Image forming apparatus
US-2016231683-A1 · Aug 11, 2016 · US
Micro-Optical Orientation Sensor and Related Methods
US-2016216777-A1 · Jul 28, 2016 · US
Intelligent Hardstop For Gap Detection And Control Mechanism
US-2016215396-A1 · Jul 28, 2016 · US
Position-measuring device
US-2016216103-A1 · Jul 28, 2016 · US
Method and apparatus for remote sensing using optical orbital angular momentum (oam) -based spectroscopy for detecting lateral motion of a remote object
US-2016202090-A1 · Jul 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01D5/34?
- CPC G01D5/34 is the Cooperative Patent Classification code for “the beams of light being detected by photocells.”
- How many patents are filed under CPC G01D5/34 (the beams of light being detected by photocells)?
- Our database includes 412 publications tagged with this CPC code.
- Is patent activity under CPC G01D5/34 growing?
- Publication counts under this code: 24 in 2024 vs 26 in 2025 (latest complete years).