G04B 19/34
Position of the hands projected optically
Official title: Position of the hands projected optically {(for advertising G09F19/18; indicating by discs or drums with mark or window G04B19/04, with figures or signs G04B19/20; illumination of dials or hands G04B19/30, case for electrical components G04C3/008; optical projection of a pointer and/or scale for weighing apparatus G01G23/32; for measuring instruments G01D5/262)}
G04B19/34 (Position of the hands projected optically) appears on 12 US grants and 7 published applications in this corpus.
Search patents in G04B- Granted patents
- 12
- Published applications
- 7
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 17 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 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 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Laser projection clock17 Nov 2020US 10,838,370 B2
- Wearable electronic device with hand synchronization2 May 2017US 9,639,064 B2Timex Group USA, Inc.
- Time display device17 Jun 2008US 7,388,813 B2Intematix Technology Center Corp.
- Projection alarm clock28 Sep 2004US 6,798,720 B2
- Device for projecting a dynamic spectral display17 Apr 2001US 6,219,306 B1
- Laser projection clock9 May 2019US 2019/0137941 A1
- Wearable Electronic Device With Hand Synchronization23 Mar 2017US 2017/0082978 A1Timex Group USA, Inc.
- Mechanical animations with electronic display12 Dec 2013US 2013/0329528 A1
- Time indication device14 Jun 2012US 2012/0147711 A1Hon Hai Precision Industry Co., Ltd.
- Time display device23 Nov 2006US 2006/0262653 A1Intematix Technology Center Corp.
Most cited
By later US patents
- Clock59US 6,160,767 ALeona Lighting Design Ltd. · 2000
- Device for projecting a rainbow-like spectral display in the form of a symbol design, time indicating display and the like31US 5,247,491 A1993
- Projection clock22US 5,247,492 A1993
- Wearable electronic device with hand synchronization17US 9,639,064 B2Timex Group USA, Inc. · 2017
- Electric timer with a projector16US 5,260,919 A1993