Abstract: A reflector for a projector includes a metal reflector that defines an optical surface. An absorptive surface is disposed on the optical surface. A layer of germanium is disposed on the absorptive surface. A band-pass reflective surface is further disposed on the absorptive surface.

Abstract: A lamp assembly including an integral reflector and heat sink having a reflector portion comprising an integrated heat sink and a plurality of integral cooling fins connected to the integrated heat sink, a cathode assembly mechanically coupled to the reflector portion, an anode mechanically coupled to the reflector portion and electrically isolated from the cathode assembly, and at least one thermal stress reduction feature.

Abstract: A light source module includes a lamp assembly having an integrated reflector and heat sink, the lamp assembly having a pressurized gas contained therein, an anode sealingly coupled to the integrated reflector and heat sink, and a cathode sealingly coupled to the integrated reflector and heat sink; and a projector protection system including at least one first projection feature for suspending current flow from the cathode to the anode when at least one first threshold is exceeded and at least one second projector protection feature for stopping the current flow when at least one second threshold is exceeded.

Abstract: A replaceable lamp header includes a base member and an annular lamp engaging protrusion extending from a first surface of the base member, at least two positive and negative source connections disposed on lateral portions of the base member, a positive and a negative lamp connection coupled to the annular lamp engaging protrusion, and electrical interconnects coupling each of the positive source connections to the positive lamp connection and coupling each of the negative source connections to the negative lamp connection.

Abstract: A reflector includes a body having a reflective surface formed therein and a reflector opening defined in the body, the reflector opening having a plurality of ridges.

Abstract: A system to deposit drops on a substrate includes a dispenser to dispense the drops, a shutter disposed between the dispenser and the substrate to focus the drops, and a screen, disposed between the dispenser and the shutter, configured to provide a charge to the drops.

Abstract: A motor hub is disclosed. The motor hub comprises a housing for a motor. The housing is rotatable around an axis of rotation of the motor. The motor hub also has marks arranged on a surface of the housing, and spaces between the marks. The marks and spaces form a pattern readable for sensing a rotational speed of the motor.

Abstract: A reflector assembly for use in a digital projector includes a reflector having a reflector opening defined therein, and a startup element fixedly coupled to the reflector such that the reflector and the startup element are configured to allow the replaceable coupling of a lamp assembly to the reflector assembly.

Abstract: A lamp—suitable for use within a projector or other high-light output application—includes an ultra high pressure bulb. An extension from the bulb defines a start-up bubble. A conductor is carried by the extension of the ultra high pressure bulb, generally enclosing the start-up bubble, thereby exciting gas contained within the start-up bubble. A header defines a socket within which the extension and the conductor are carried.

Abstract: A projection screen includes a plurality of passive elements each having a sidewall surrounding a surface, wherein said sidewall is configured to attenuate light.

Abstract: A replaceable lamp assembly includes a lamp coupled to a lamp header; and a cap coupled to the lamp header that at least partially covers the lamp. The cap minimizes contamination of the lamp and is configured to allow selective exposure of the lamp.

Abstract: An integral reflector and heat sink for use in a projector assembly includes a reflector portion comprising an integrated heat sink; and a lamp receiving opening defined in the reflector portion.

Abstract: A light source assembly configured for installation into a reflector assembly including a reflector, the reflecting assembly having a datum structure includes lamp having an emitting portion for emitting light, and a header supporting the lamp and defining a plurality of datum surfaces for engaging corresponding datums that are defined by the datum structure, the datum surfaces are disposed and arranged to assure proper alignment of the emitting portion relative to the reflector.

Abstract: A reflector assembly includes a reflector in which a reflector opening is defined therein. The reflector assembly has a datum structure having a plurality of a datum surfaces coupled to the reflector opening. The datum structure is configured to align a lamp with respect to a focal point of the reflector.

Abstract: A flow direction detector is provided which includes a flow disruptor positioned in a fluid flow path to effect a detectable differential flow characteristic to such flow path based on fluid flow direction, and a sensor arrangement configured to detect such detectable differential flow characteristic within the flow path.

Abstract: A fuel injector includes a first input for receiving a fuel and a second input for receiving a non-fuel fluid. The fuel injector also includes a fluid ejector that includes a first drop ejector for discretely ejecting droplets of the fuel, the fluid ejector also including a second drop ejector for discretely ejecting droplets of the non-fuel fluid.

Abstract: A flow sensor system is provided for measuring the rate of flow of a fluid in a flow channel that is configured to contain the flow. A substrate may be disposed in the flow channel, and a plurality of transducers may be disposed on the substrate in the flow channel. The substrate may also provide a plurality of paths, and each path may conduct a signal. The transducers may be configured to respond to the fluid flow by modifying the signals in relation to the flow. The transducers may be arranged with at least one of the transducers disposed closer to a central longitudinal axis of the flow channel than at least one other transducer. A signal processor may be coupled to at least two of the signals, and the signal processor may calculate the rate of flow of the fluid as a function of the at least two signals.

Abstract: An improved fuel injector is disclosed. In one embodiment of the invention, the fuel injector includes a first fluid input for receiving a first fluid; a second fluid input for receiving a second fluid; and a drop ejector configured to discretely eject fluid in a digital manner, wherein the drop ejector is further configured to receive the first and second fluids and to eject discrete droplets of the first fluid and discrete droplets of the second fluid. In another embodiment of the invention, the fuel injector includes a drop ejector configured to discretely eject fluid in a digital manner, wherein the drop ejector includes a first set of firing chambers and a second set of firing chambers, wherein each firing chamber of the first set has a first volume, and wherein each firing chamber of the second set has a second volume.

Abstract: An improved fuel injector is disclosed. In one embodiment of the invention, the fuel injector includes a first fluid input for receiving a first fluid; a second fluid input for receiving a second fluid; and a drop ejector configured to discretely eject fluid in a digital manner, wherein the drop ejector is further configured to receive the first and second fluids and to eject discrete droplets of the first fluid and discrete droplets of the second fluid. In another embodiment of the invention, the fuel injector includes a drop ejector configured to discretely eject fluid in a digital manner, wherein the drop ejector includes a first set of firing chambers and a second set of firing chambers, wherein each firing chamber of the first set has a first volume, and wherein each firing chamber of the second set has a second volume.

Abstract: A micro-pump for fuel injection includes a housing, a pressure regulator, a combustible liquid inlet conduit in fluid communication with the pressure regulator, and a drop ejector on the housing and in fluid communication with the pressure regulator. The drop ejector contains a nozzle capable of ejecting a combustible liquid in a drop-by-drop fashion from the drop ejector. Further, an apparatus for generating a combustible vapor for a combustible fuel device such as an internal combustion engine. The apparatus includes a micro-pump for ejecting a combustible liquid drop-by-drop therefrom and means, connected to the micro-pump, for channeling a stream of air through the drops ejected by the micro-pump thereby generating a combustible vapor for the combustible fuel device.