H04K 1/08
Secret communication: by varying the polarisation of transmitted waves
Official title: by varying the polarisation of transmitted waves
H04K1/08 (Secret communication: by varying the polarisation of transmitted waves) appears on 16 US grants and 14 published applications in this corpus.
Search patents in H04K- Granted patents
- 16
- Published applications
- 14
- Assignees
- 18
- Inventors
- 52
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 3 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Radar transmission time interval randomized radar transmissions4 Jul 2023US 11,693,084 B2QUALCOMM Incorporated
- Optical communication system using mode-locked frequency comb and all-optical phase encoding for spectral and temporal encrypted and stealthy transmission, and for optical processing-gain applications2 May 2023US 11,641,241 B2Cyberridge Ltd.
- Communication apparatus and communication system11 Oct 2022US RE49,244 E1Panasonic Intellectual Property Corporation of America
- Method for encoding and decoding data by varying the distinctive characteristics of an optical radiation, encoding device and decoding system12 Oct 2021US 11,146,393 B2SLUX Sagl
- Optical communication system using mode-locked frequency comb and all-optical phase encoding for spectral and temporal encrypted and stealthy transmission, and for optical processing-gain applications10 Nov 2022US 2022/0360337 A1B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Communication devices and methods for secure communication13 Oct 2022US 2022/0329344 A1Sony Group Corporation
- Method for encoding and decoding data by varying the distinctive characteristics of an optical radiation, encoding device and decoding system7 May 2020US 2020/0145205 A1SLUX Sagl
- Radar transmission time interval randomized radar transmissions23 Jan 2020US 2020/0028656 A1QUALCOMM Incorporated
- Polarization decomposition device21 Nov 2019US 2019/0353918 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- System for preventing global positioning satellite signal reception to unauthorized personnel73US 5,822,429 AElectro-Radiation Incorporated · 1998
- Communication apparatus and communication system26US 7,515,714 B2Panasonic Corporation · 2009
- Subchannel security at the optical layer8US 8,705,741 B2Vello Systems, Inc. · 2014
- Great circle solution to polarization-based quantum communication (QC) in optical fiber3US 9,287,994 B2Los Alamos National Security, LLC · 2016
- Multi-mode communication unit2US 8,666,341 B2Ultra Electronics TCS Inc. · 2014