H04K 1/06
Secret communication: by transmitting the information or elements thereof at unnatural speeds
Official title: by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards
H04K1/06 (Secret communication: by transmitting the information or elements thereof at unnatural speeds) appears on 95 US grants and 61 published applications in this corpus.
Search patents in H04K- Granted patents
- 95
- Published applications
- 61
- Assignees
- 77
- Inventors
- 220
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 4 | 2 |
| 2014 | 5 | 1 |
| 2015 | 4 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 5 |
| 2020 | 2 | 6 |
| 2021 | 8 | 6 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data processing method, apparatus, and device10 Jun 2025US 12,328,189 B2Huawei Technologies Co., Ltd.
- Server-controlled communication system27 May 2025US 12,316,387 B2
- Information processing device for transmitting information8 Apr 2025US 12,273,452 B2Tamagawa University and Tamagawa Academy
- Method and system for providing a speech-based service, in particular for the control of room control elements in buildings10 Sep 2024US 12,087,292 B2Siemens Schweiz AG
- Systems and methods for variable-length encoding and decoding for enhancing computer systems2 Jul 2024US 12,028,333 B2Kara Partners LLC
- Method and Device for Radio Communication of Encrypted PPM Signals26 Feb 2026US 2026/0059302 A1Ste Industries S.R.L.
- Light-based data encoding and/or decoding device7 Aug 2025US 2025/0253957 A1
- Binary Firmware Encryption Via Scrambler/Descrambler Module10 Apr 2025US 2025/0119229 A1Micron Technology, Inc.
- Method for designing interference noise of speech based on the human speech structure6 Mar 2025US 2025/0078843 A1ZJU-Hangzhou Global Scientific and Technological Innovation Center
- System and Method for Modulation Domain-Based Audio Signal Encoding19 Dec 2024US 2024/0420722 A1Nuance Communications, Inc.
Most cited
By later US patents
- Message signal scrambling apparatus245US 4,232,193 AThe Marconi Company Limited · 1980
- Method and system for masking speech173US 7,143,028 B2Applied Minds, LLC · 2006
- Method and device for the coded transmission of messages129US 3,970,790 APatelhold Patentverwertungs- & Elektro-Holding AG · 1976
- System and method for encrypting a voice signal119US 4,443,660 ARockwell International Corporation · 1984
- Secure coding and decoding system and method for television program signals115US 4,600,942 ATelease, Inc. · 1986