|
| US3934156 | 18 Mar 1974 | 20 Jan 1976 | Colonial Kinetics, Inc. | Movement responsive control apparatus |
| US3935542 | 22 Jan 1973 | 27 Jan 1976 | | Contactless oscillator-type proximity sensor with constant-voltage impedance |
| US4021679 | 22 Oct 1975 | 3 May 1977 | Fred Bolle
Chen Yi Lee
Daniel A. Tardiff | Method and apparatus for automatic switching |
| US4103294 | 26 Feb 1973 | 25 Jul 1978 | Novar Electronics Corporation | Intruder deterrent apparatus and method |
| US4106003 | 6 Dec 1976 | 8 Aug 1978 | Nippon Prosensor Co., Ltd. | Signal treatment circuit for burglar alarms |
| US4193055 | 11 Mar 1977 | 11 Mar 1980 | | Automatic sensitivity level adjustment |
| US4225808 | 5 Jun 1978 | 30 Sep 1980 | Novitas, Inc. | Selective illumination |
| US4305021 | 11 Sep 1979 | 8 Dec 1981 | Jean Schreiden
Jacques Lecloux | Switch for controlling the operation of a light source in response to the presence of a moving person or object and in response to the magnitude of ambient light not provided by the light souce |
| US4361767 | 24 Mar 1980 | 30 Nov 1982 | National Technical Systems | Apparatus and method for controlling electrical equipment |
| US4369377 | 4 Feb 1982 | 18 Jan 1983 | Allen-Martin Electronics Limited | Current control device |
| US4433328 | 16 Jan 1980 | 21 Feb 1984 | | Motion sensing energy controller |
| US4450351 | 24 Feb 1983 | 22 May 1984 | Bio/Optical Sensor Partners, Ltd. | Motion discontinuance detection system and method |
| US4476554 | 21 Jul 1983 | 9 Oct 1984 | Jonathan Ehrenreich, Ehrenreich Electronics | Sound actuated light switch |
| US4551654 | 31 May 1984 | 5 Nov 1985 | Kesser Electronics International, Inc. | Lighting control system and method |
| US4951045 | 29 Mar 1989 | 21 Aug 1990 | Intelligent Safety Technology, Inc. | Portable electronic warning device for temporary conditions |
| US4982176 | 17 Jan 1990 | 1 Jan 1991 | | Solar powered lighting and alarm systems activated by motion detection |
| US5227762 | 26 Oct 1990 | 13 Jul 1993 | Thomas Industries Inc. | Power line carrier controlled lighting system |
| US5307051 | 24 Sep 1991 | 26 Apr 1994 | | Night light apparatus and method for altering the environment of a room |
| US5309145 | 1 May 1992 | 3 May 1994 | Samsonite Corporation | Travel convenience and security device |
| US5406173 | 10 Dec 1993 | 11 Apr 1995 | The Watt Stopper | Apparatus and method for adjusting lights according to the level of ambient light |
| US5475360 | 19 Aug 1994 | 12 Dec 1995 | Thomas Industries, Inc. | Power line carrier controlled lighting system |
| US5598042 | 7 Jun 1995 | 28 Jan 1997 | The Watt Stopper | Moveable desktop load controller |
| US5657004 | 11 Apr 1995 | 12 Aug 1997 | Felknor International, Inc. | Electronically controlled point of purchase display |
| US5763872 | 20 Jan 1997 | 9 Jun 1998 | | Motion actuated night light |
| US5945925 | 30 May 1997 | 31 Aug 1999 | | Light fixture with object detection system |
| US6102031 | 9 Apr 1999 | 15 Aug 2000 | | Heating apparatus |
| US6124808 | 9 Sep 1998 | 26 Sep 2000 | William F. Budnovitch Revocable Trust | Light fixture with object detection system |
| US6651647 | 2 Jul 2001 | 25 Nov 2003 | CPD Associates, Inc. | Heating apparatus with slidable shroud |
| US6661566 | 20 Sep 2001 | 9 Dec 2003 | The United States of America as represented by the Secretary of the Navy | Method and optical switch for altering an electromagnetic energy wave in response to acceleration forces |
| US7086396 | 11 Feb 2004 | 8 Aug 2006 | | Heating apparatus |
| US7791282 | 28 Nov 2006 | 7 Sep 2010 | Hubbell Incorporated | Motion sensor switch for 3-way light circuit and method of lighting control using the same |
| USD339997 | 30 Apr 1992 | 5 Oct 1993 | | Sensor housing for actuating outdoor lighting switches |
