H03J 7/18
Automatic scanning over a band of frequencies
H03J7/18 (Automatic scanning over a band of frequencies) appears on 318 US grants and 56 published applications in this corpus.
Search patents in H03J- Granted patents
- 318
- Published applications
- 56
- Assignees
- 143
- Inventors
- 447
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 18 | 0 |
| 1978 | 14 | 0 |
| 1979 | 13 | 0 |
| 1980 | 19 | 0 |
| 1981 | 30 | 0 |
| 1982 | 17 | 0 |
| 1983 | 15 | 0 |
| 1984 | 9 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 2 |
| 2004 | 6 | 5 |
| 2005 | 3 | 3 |
| 2006 | 1 | 3 |
| 2007 | 4 | 7 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 5 | 1 |
| 2014 | 4 | 4 |
| 2015 | 4 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 3 | 6 |
| 2019 | 5 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- H03J 7/20Where the scanning is accomplished by varying the electrical characteristics of a170
- H03J 7/183Combined with selection between different stations transmitting the same programm28
- H03J 7/32With simultaneous display of received frequencies17
- H03J 7/30Where the scanning is accomplished by mechanical means6
Recent patents
- Blind scan method, non-transitory computer-readable medium and control circuit thereof13 Aug 2024US 12,063,453 B2Realtek Semiconductor Corp.
- Method and apparatus for receiving reference signals in support of flexible radio communication19 Sep 2023US 11,764,923 B2Motorola Mobility LLC
- Receiver11 Apr 2023US 11,626,860 B2Kirintec Limited
- Pet monitoring device11 Oct 2022US 11,464,205 B2SureFlap Ltd
- Method and apparatus for receiving reference signals in support of flexible radio communication27 Apr 2021US 10,992,437 B2Motorola Mobility LLC
- Blind scan method, non-transitory computer-readable medium and control circuit thereof10 Mar 2022US 2022/0078367 A1Realtek Semiconductor Corp.
- Method and Apparatus for Receiving Reference Signals in Support of Flexible Radio Communication8 Jul 2021US 2021/0211253 A1Motorola Mobility LLC
- Receiver11 Mar 2021US 2021/0075403 A1Kirintec Limited
- Pet monitoring device6 Aug 2020US 2020/0245590 A1SureFlap Ltd
- Method and Apparatus for Receiving Reference Signals in Support of Flexible Radio Communication16 Apr 2020US 2020/0119878 A1Motorola Mobility LLC
Most cited
By later US patents
- Spectrum surveillance receiver system244US 4,501,020 AHer Majesty in Right of Canada · 1985
- Minimal function remote control without digit keys and with a power toggle program and with a channel rotation program240US 5,481,251 AUniversal Electronics Inc. · 1996
- Automatic antenna tuning method and apparatus172US 5,301,358 ASeiko Corp. · 1994
- Arrangement for both channel swapping and favorite channel features120US 4,367,559 ARCA Corporation · 1983
- Receiver with a channel swapping apparatus119US 4,271,532 ARCA Corporation · 1981