Abstract:
An apparatus has a lens. A frame has a gasket for receiving the lens and a shock-resistant housing is secured about the frame. A visual output element is disposed proximate the lens and an audio output element is disposed within the housing. A control component with a power source is provided for controlling at least one of the visual output element and the audio output element.
Abstract:
A flash lamp system for providing at least one continuous flash lamp pulse including at least two stages for sintering. The pulse can include a first portion for a first time period to reach a first peak energy level, and a second portion for a second time period to reach a second peak energy level. The one or more pulses have sufficient energy to sinter the layer of particles such that the printed electronic circuit is conductive.
Abstract:
A method for thermally processing a minimally absorbing thin film in a selective manner is disclosed. Two closely spaced absorbing traces are patterned in thermal contact with the thin film. A pulsed radiant source is used to heat the two absorbing traces, and the thin film is thermally processed via conduction between the two absorbing traces. This method can be utilized to fabricate a thin film transistor (TFT) in which the thin film is a semiconductor and the absorbers are the source and the drain of the TFT.
Abstract:
A lighting system includes one or more methods and systems to control dissipation of excess power in the lighting system when the power into a switching power converter from a leading edge, phase-cut dimmer is greater than the power out of the switching power converter. In at least one embodiment, the lighting system includes a controller that controls dissipation of excess energy in the lighting system to prevent a premature disconnection of the phase-cut dimmer. In at least one embodiment, the controller actively controls power dissipation by generating one or more signals to actively and selectively control power dissipation in the lighting system. By actively and selectively controlling power dissipation in the lighting system, the controller intentionally dissipates power when the power into the lighting system should be greater than the power out to a lamp of the lighting system. In at least one embodiment, the controller creates one or more intermixed and/or interspersed power dissipation phases with one or more switching power converter charging and/or flyback phases.
Abstract:
A pulse lamp system has two or more lamps (14 and 18) for providing pulses with common electronics (12) to perform processing such as curing coatings, curing adhesives, tilt management, and optical disk initialization.
Abstract:
A pulse power source apparatus which quickly discharges the charged voltage of a capacitor (23) by closing a switch (24). First and second serial circuits (51 and 52) are connected in series between the output terminals of a DC voltage source (2). The first serial circuit (51) is composed of a first reactor (14) and a first forward diode (15), and the second serial circuit (52) is composed of a second forward diode (16) and the switch (24). A third serial circuit (53) composed of the capacitor (23), a second reactor (25), and a discharge tube (9), and the discharge tube is connected in parallel with the second serial circuit (52). When the switch (24) is closed, the discharge tube (9) emits light, but the discharged current from the capacitor (23) becomes an oscillating current and a voltage of the opposite polarity to that of the voltage generated at the initial charging time is generated in the capacitor (23). Since the oscillating voltage is superposed upon the power supply voltage and utilized at the next charging cycle time, an extremely efficient pulse power source apparatus can be obtained.
Abstract:
A system and method for extending the useful life of anti-collision lights (100) comprising inert gas flash tubes and which are included on commercial, military, and business jet aircraft. When the aircraft is cruising in high altitude tightly controlled airspace (18) (where instrument flight rules are controlling, i.e., at altitudes above 18,000 feet), and when the aircraft is not undergoing a substantial change in altitude, the power input (58) to the anti-collision lights (100) is reduced. The reduction in the power provides a significant increase in the useful life of the flash tube while causing only a slight reduction in the intensity of the light output of the flash tube.
Abstract:
A film video player for producing a standard television signal from photographic film includes an image sensor for sensing a film image illuminated by a pulse of light from an electronic strobe light. The electronic strobe light includes a high voltage power supply with a voltage greater than the minimum ignition voltage of a flash tube in the strobe light for igniting an arc in the flash tube, a low voltage power supply having a voltage less than the minimum ignition voltage of the flash tube for producing an extended pulse of light of constant intensity, means including a photocell for sensing the quantity of light produced by the flash tube and including a control device in series with the flash tube for terminating the pulse of light after a predetermined quantity of light is produced, and means for dispersing the light from the flash tube to produce more uniform illumination. The film video player has the advantage of providing a video signal free from visible flicker, of uniform intensity, and constant color balance. A further advantage is that the video player generates very little heat from its electronic strobe light source and therefore requires minimal cooling.
Abstract:
A color spectrophotometric system using a xenon flashtube (1) wherein the flashtube (1) is operated under conditions causing electrodes (3, 4) to regenerate rather than deteriorate while in use and wherein the light measurements at various wavelengths are corrected in accordance with two reference measurements to normalize for both intensity variations and spectral shifts of light from the flashtube (1). A capacitor (10) discharge through the flashtube (1) by way of an inductance (12) which reduces the peak and lengthens the duration of the discharge current.