| Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
|---|
| 05/28/1980 | EP0011454A1 Monitoring circuits, more particularly for monitoring lamp circuits |
| 05/20/1980 | US4204149 Electronic controlled-duration switching |
| 05/15/1980 | WO1980001024A1 Process for transferring information and system for carrying out the process |
| 04/15/1980 | US4198574 Timing control circuit |
| 04/15/1980 | US4198563 Photodetector timer network |
| 04/02/1980 | EP0009370A1 An electronic switch and method of operating it |
| 02/19/1980 | US4189662 Safety device for lamps of motor vehicle |
| 02/05/1980 | US4187528 Power control unit |
| 01/22/1980 | CA1070371A1 Wand lamp control |
| 01/01/1980 | US4181844 Theatre lighting control system |
| 12/04/1979 | US4177407 Electronic votive lights |
| 12/04/1979 | US4177405 Photocell-controlled lighting system |
| 11/14/1979 | EP0005330A2 Lighting system |
| 11/06/1979 | US4173750 Incandescent lamp monitoring device |
| 10/30/1979 | US4172998 Condition operated load control |
| 10/02/1979 | CA1063708A1 Instrument panel assembly |
| 09/25/1979 | CA1063075A1 System for electrical interconnection and switching of multiple lighting fixtures |
| 08/28/1979 | US4166287 Photoflash lamp array |
| 07/03/1979 | US4160192 Delayed turn-off switching circuit |
| 06/19/1979 | CA1056785A1 Electrochemical cell-containing emergency sea beacon |
| 06/12/1979 | US4158132 Lighting-control system with cue-level confirmation |
| 06/12/1979 | CA1056445A1 Illuminate house number sign |
| 05/29/1979 | US4156810 Transmitting device of light signal for remote control |
| 05/22/1979 | CA1055119A1 Indicator light circuit providing normal and emergency indication |
| 05/22/1979 | CA1054946A1 Systems for transmitting information in an alternating current electricity supply system |
| 05/08/1979 | US4153860 Lighting control apparatus |
| 04/24/1979 | US4151515 Load control apparatus |
| 03/13/1979 | US4144484 DC Voltage control device |
| 02/13/1979 | US4139802 Light-responsive electric switch |
| 02/06/1979 | US4138627 Current-level-sensitive switching system |
| 01/16/1979 | US4135116 Constant illumination control system |
| 01/09/1979 | US4134045 System for electrical interconnection and switching of multiple lighting fixtures |
| 01/02/1979 | US4133008 Automatic illumination compensation circuit |
| 11/28/1978 | CA1043416A1 Auxiliary lighting system for a gaseous discharge lamp |
| 10/31/1978 | CA1041595A1 Emergency lighting system |
| 10/24/1978 | US4122334 Illumination control apparatus for compensating solar light |
| 10/17/1978 | CA1040713A1 Lighting devices |
| 10/10/1978 | US4120026 Method of mixed illumination |
| 09/26/1978 | US4117445 Power regulator |
| 09/05/1978 | CA1038041A1 Indicator lamp circuit having feedback protection |
| 08/08/1978 | US4105927 Device for adjusting the level of brightness emitted by a lamp |
| 06/27/1978 | US4097783 Ultraviolet light processor |
| 06/20/1978 | US4096414 Dimmer control circuit |
| 06/13/1978 | US4095139 Light control system |
| 05/23/1978 | US4091276 Remote control switching |
| 05/16/1978 | US4090107 Electric circuit control system using logic device |
| 02/28/1978 | US4075748 Fastener emplacement mechanism |
| 11/15/1977 | US4058752 Dosimetry control method |
| 11/08/1977 | US4057735 Christmas tree lighting control |
| 09/06/1977 | US4047076 Emergency lighting system for gaseous discharge lamps |
| 08/16/1977 | US4042853 Fail-off photo control circuit for night lighting |
| 06/14/1977 | US4029994 Emergency flashing light system for indicating exits of passenger carriers |
| 05/10/1977 | US4023153 Device for indicating any wire breaking in parallel connected plural loads |
| 04/05/1977 | US4016450 Phosphorescent display system |
| 03/08/1977 | US4011482 Electric circuit control system using exclusive "or" gate |
| 02/15/1977 | US4008415 Photocontrol for electric lamps |
| 01/04/1977 | US4001803 Lighting devices |
| 12/21/1976 | US3999176 Indicator light circuit providing normal and emergency indication |
| 11/16/1976 | US3992695 Apparatus for detecting the fault of indicating lamps |
| 10/05/1976 | US3984810 Direction warning indicator energizing circuit |
| 10/05/1976 | US3984757 Proximity actuated power control variable as to sense and magnitude |
| 07/06/1976 | US3968401 Apparatus for controlling the intensity of a light source |
| 07/06/1976 | US3968398 Fused decorative string set |
| 06/29/1976 | US3967192 Indicator lamp test circuit utilizing bidirectional thyristor switching |
| 06/22/1976 | US3965388 Digital light responsive switching circuit |
| 06/01/1976 | US3961183 Light-responsive electric switch |
| 05/18/1976 | US3958149 Motor vehicle rear lighting system |
| 04/20/1976 | US3952229 Display device having signal lamps |
| 03/23/1976 | US3946273 Split cross fader for the control of theatre lighting |
| 03/23/1976 | US3946244 Christmas tree lighting control |
| 03/16/1976 | US3944969 Central warning apparatus for vehicles |
| 03/09/1976 | US3943397 Unitized theater lighting system main power unit |
| 02/24/1976 | US3940660 Circuitry for load connection and disconnection |
| 02/17/1976 | US3939398 Indicator lamp circuit having feedback protection |
| 02/17/1976 | US3939361 Electronic timer switch |
| 01/13/1976 | US3932742 Load-control system responsive to operating condition of producer of intermittent radiation |