System and method for testing optical proximity fuses
US-12553697-B2 · Feb 17, 2026 · US
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using active distance measurement
using active distance measurement · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F42C13/023 |
| Official title | {using active distance measurement} |
| Display label | using active distance measurement |
| Total patents | 18 |
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 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for testing optical proximity fuses
US-2025198734-A1 · Jun 19, 2025 · US
Accurate range-to-go for command detonation
US-11243058-B2 · Feb 8, 2022 · US
Proximity fuse having an E-field sensor
US-10935357-B2 · Mar 2, 2021 · US
Digital active optical target detection system
US-10895640-B2 · Jan 19, 2021 · US
Establishing a time zero for time delay detonation
US-10775143-B2 · Sep 15, 2020 · US
Establishing a time zero for time delay detonation
US-2020081025-A1 · Mar 12, 2020 · US
Accurate range-to-go for command detonation
US-2020080826-A1 · Mar 12, 2020 · US
Deployable, forward looking range sensor for command detonation
US-10533831-B1 · Jan 14, 2020 · US
Projectile lens-less electro optical detector for time-to-go for command detonation
US-10466024-B1 · Nov 5, 2019 · US
Proximity fuse having an e-field sensor
US-2019331470-A1 · Oct 31, 2019 · US
Digital active optical target detection system
US-2019331795-A1 · Oct 31, 2019 · US
Phased array LIDAR in ordnance control
US-10281254-B2 · May 7, 2019 · US
Proximity fuze, and projectile provided with such a proximity fuze
US-10234255-B2 · Mar 19, 2019 · US
Phased array lidar in ordnance control
US-2018080751-A1 · Mar 22, 2018 · US
Proximity fuze, and projectile provided with such a proximity fuze
US-2017045347-A1 · Feb 16, 2017 · US
Deviation indicator with infrared imagery and system for automatically aiming at and tracking a target
US-9367741-B2 · Jun 14, 2016 · US
Deviation indicator with infrared imagery and system for automatically aiming at and tracking a target
US-2015220780-A1 · Aug 6, 2015 · US