Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7216067 | Non-linear test load and method of calibrating a plasma system A non-linear test load is provided for calibrating a plasma system. The test load is a substrate for modeling the electrical characteristics of the plasma such that multi frequency testing can be performed in the absence of a plasma reaction. An exemplary substrate ... | 05/08/2007 |
| 7215523 | Apparatus for protecting an integrated circuit and method thereof An apparatus for protecting an integrated circuit is applied to an electrical apparatus having a control unit. The control unit is used for controlling the integrated circuit and the protecting apparatus. The protecting apparatus includes a power input terminal, a p... | 05/08/2007 |
| 7018070 | Fluorescent lampholder with disconnectable plug on back A flourescent lamp assembly including a reflector having a cutout, a flourescent lamp and a lampholder. The lampholder includes a base end positioned within the cutout, a socket receiving the flourescent lamp and a first plug-in connector of a first gender for recei... | 03/28/2006 |
| 6155694 | Composite warning light with emission pattern matching A multi-flash strobe light pattern is superimposed on each individual light pulse produced by an incandescent lamp to provide a warning signal of enhanced visibility in a particulate laden ambient environment. The first pulse of each multi-flash strobe pa... | 12/05/2000 |
| 5914565 | Electrical terminal block for high wattage high intensity lamps An electrical terminal block for a high wattage high intensity projection lamp, and use thereof. The electrical terminal block is connected to an electrical power supply and has an orifice for plug-in of cable that forms part of such a lamp. The terminal ... | 06/22/1999 |
| 5753903 | Method and system for controlling light intensity in a machine vision system The intensity of each lamp which illuminates an object at an inspection station is controlled by controlling driving voltage applied to a power supply which supplies electrical power to the lamp. A phototransistor is used to sense the intensity of the lam... | 05/19/1998 |
| 5661347 | Circuitry arrangement for controlling a plurality of consumers, in particular lamp ballasts In accordance with the invention the circuitry arrangement comprises a central unit (5) and a plurality of peripheral units, such as control apparatuses for lamps, connected with the central unit via a data bus. These peripheral units are each connected w... | 08/26/1997 |
| 5489771 | LED light standard for photo- and videomicroscopy The invention relates to a light calibration system consisting of a compact LED source with feedback control of intensity. The source is positioned in the focal plane of the microscope objective and produces flat-field illumination of up to 31 microwatts.... | 02/06/1996 |
| 4958143 | Synchronized pulse-enhanced dual light source An intermittent low intensity light source that is switched on by a drive signal is enhanced by a high intensity light source. The high intensity light source is coupled with the low intensity light source so that at least some light from both sources is ... | 09/18/1990 |
| 4651059 | High-frequency power-limited lighting system A lighting system for a suspended ceiling comprises a central high-frequency power source feeding a plurality of power conditioning units permanently wired-in and mounted in various locations on the permanent ceiling above the suspended ceiling. Each such... | 03/17/1987 |
| 4388559 | Bicycle lighting system A flash tube is provided for producing successive high intensity bursts of light, and a pulse producing device is provided for supplying a train of high voltage pulses for energizing repeatedly the flash tube. An impedance matching arrangement is provided... | 06/14/1983 |
| 4377772 | Discharge lamp and lighting equipment A discharge lamp comprises an arc tube for high pressure discharge and a discharge gap for discharging until restarting the arc tube. The discharge gap being electrically connected in parallel to the arc tube in an outer bulb. A normally opened temperatur... | 03/22/1983 |
| 4297616 | Fluorescent lamp with incandescent ballasting systems Ballasting for a fluorescent lamp is provided by one or more incandescent lamps connected in series between the line voltage source and the fluorescent lamp. Lamp operation is initiated by a triggering pulse applied to a conductive member placed adjacent ... | 10/27/1981 |
| 4189664 | Power control unit for automatic control of power consumption in a lighting load The present invention is a power control unit and method of controlling power particularly for lighting loads such as incandescent lamps and fluorescent lamps. The power control unit is located between the power source and the load, typically between a ci... | 02/19/1980 |
| 4047076 | Emergency lighting system for gaseous discharge lamps This invention pertains to an emergency lighting circuit that operates with a high pressure, gaseous-discharge lamp and associated ballast. When the gaseous-discharge lamp goes out, after once being ignited, sufficient current is supplied to an incandesce... | 09/06/1977 |
