G04B 23/10
With presignal
Official title: with presignal; with repeated signal; with changeable intensity of sound
G04B23/10 (With presignal) appears on 5 US grants and 2 published applications in this corpus.
Search patents in G04B- Granted patents
- 5
- Published applications
- 2
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 20 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chronograph assembly20 Oct 2015US 9,164,490 B1
- Alarm method and device29 Jul 2014US 8,792,309 B2Huawei Device Co., Ltd.
- Timepiece and portable device22 Jun 2010US 7,742,365 B2Seiko Epson Corporation
- Alarm clock12 Oct 1999US 5,966,346 ACasio Computer Co., Ltd.
- Timepiece which permits freely adjusting the level of sounds produced therein and given out thereof20 May 1980US 4,203,279 A
Most cited
By later US patents