Abstract: A roof integrated photovoltaic roofing panel and flashing system 44 that allows photovoltaic roof panels 31 to be installed into standard asphalt roofing. Without re-engineering rafters for extra roof loads. Providing all structural strengths, fire prevention and weather proofing required by building codes. The panels are easily removed for maintaining PV system. The PV roof panel 31 is a structural roof panel.

Abstract: A power actuator system for a movable vehicle panel such as a lift gate assembly includes a position sensor that detects the pivotal movement of a strut mechanism of the power lift gate assembly relative to the host vehicle. A rotary sensor is coupled directly to an end component of the strut mechanism and provides signals that indicate the total amount of pivotal or rotary movement of the strut mechanism and the lift gate during the opening and closing of the lift gate. The signals provide information to determine the absolute position of the strut and the lift gate for processing in the vehicle's electronic control unit.

Abstract: A power actuator system for a movable vehicle panel such as a lift gate assembly includes a position sensor that detects the pivotal movement of a strut mechanism of the power lift gate assembly relative to the host vehicle. A rotary sensor is coupled directly to an end component of the strut mechanism and provides signals that indicate the total amount of pivotal or rotary movement of the strut mechanism and the lift gate during the opening and closing of the lift gate. The signals provide information to determine the absolute position of the strut and the lift gate for processing in the vehicle's electronic control unit.

Abstract: A feedback control loop around a gain element controls the output signal of said gain element responsive to an input or reference signal, and is additionally responsive to a non-linear feedback signal. The feedback loop of this invention comprises computation means for exponentiating a signal representing the output of the gain element to generate said non-linear feedback signal. The control loop of invention provides exceptional transient response when used for driving reactive loads.

Abstract: A power-conversion regulator comprising an inductive reactor, an output filter reactor, and a switch for admitting energy to the inductive reactor, additionally comprises computation circuitry responsive to the flux in the inductive reactor, to a reference signal, to an output voltage, and sometimes to an output load current, for computing the quantity of energy that must be supplied to a load and to the output filter reactor to regulate the output voltage or current to a desired relationship with the reference signal during each chopping waveform cycle driving the switch. As the inductive reactor is charged from an input energy source, the computation circuitry predicts whether the energy in the inductive reactor has become adequate for the regulation.

Abstract: An accelerometer senses equine respiratory structural vibrations. The accelerometer includes a sensing surface configured to be attached to one of hair, skin, bone, ligament, cartilage, and other tissue of a horse. The accelerometer is responsive to respiratory structural vibrations of the horse and outputs a signal corresponding to the respiratory structural vibrations.

Abstract: A sports swing implement is coupled to reflective material in order to enhance the detection properties of the implement as it is swung.

Abstract: A sports swing analysis system analyzes radiation reflected from retroreflective material coupled to a sports implement in order to determine parameter values related to the swung sports implement.

Abstract: A sports swing analysis system detects and analyzes swing parameters at the point of contact between a swung implement and the object that the swing is directed at.

Abstract: A sports swing analysis system provides audio feedback to a user in response to analyses related to a swung sports implement.

Abstract: A sports swing analysis system analyzes characteristics of a golf club swing and operates in putting mode.

Abstract: An apparatus includes an aligner that is attached to an applicator through a hinge and provides for the application of a strip, such as a retroreflective strip to a swung sports implement.

Abstract: A sports swing analysis system employs triangulation techniques to determine the height of a swung golf club.

Abstract: A sports swing analysis system employs phase array RADAR to determine golf swing parameter values.

Abstract: A matt includes an aperture for receiving a housing configured to support a golf ball for a golf swing analysis system.

Abstract: A sport swing analysis system creates a three dimensional virtual environment and relates swing parameter measurements to the three dimensional virtual environment.

Abstract: The thermo-optic behavior of an optical path over a range of temperatures &Dgr;T is controlled by determining a figure-of-merit (FOM) for the optical path and including in the path a body of crystalline material that enables the conditions specified by the FOM to be satisfied. The crystalline material is highly transparent at a wavelength &lgr; of radiation propagating in the path, and it has a coefficient of thermal expansion (CTE) and a refractive index n such that the CTE and dn/dT are mutually adapted to satisfy the FOM over the range &Dgr;T. In one embodiment, the CTE and dn/dT of an etalon compensate one another so as to perform frequency discrimination that is essentially temperature insensitive over the range &Dgr;T. In a preferred embodiment of the optical etalon the crystalline material comprises LiCaAlF6.

Abstract: An interferometer having semiconductor optical amplifiers in one or both arms of the interferometer converts information from a first wavelength to another predetermined wavelength. The original data signal (at the first wavelength) is coupled into the interferometer in such a way that it is confined to propagate, either co-directionally or contra-directionally, in only one arm of the interferometer together with the lightwave signal at the predetermined wavelength. This arm includes the semiconductor optical amplifier. In this way, the original data signal is utilized effectively to maximize the interference effect, which is required for wavelength conversion, while minimizing the problems associated with simultaneously saturating amplifiers in the interferometer structure.

Abstract: The invention is directed to an optical transmission system employing an electro-absorption modulator operative that absorbs energy from light received from a source of light and modulates the received light with information signals received from a source of information and outputs the modulated light signal to an optical transmission line, and employing apparatus that controls the level of light signals provided by the source as a function of a control signal having a level proportional to the level of the absorbed energy.