An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected numbe...

An invalid carriage including a chair of pivotted construction with a connection between the back of the chair and a mast that is fixed to a chassis. There are means to raise the connection up the mast, so raising the chair seat from horizontal to forwardly-sloping so as to help raise a user of the chair from a sitting to a standing position, and to lower the connection so that the reverse occurs so as to help a standing person to sit down in the chair. As the mast connection moves, so collapsin...

A pneumatic system for adjusting the thickness or projection of a portion of a seat back, as for example the lumbar section of the back of a seating unit. A self-fillable air reservoir is provided by a foam-filled airtight envelope that will be positioned under the seat portion of the seating unit and this envelope is connected through conduit means and associated valving means to a small volume adjustable bladder portion in the seat back. A special conduit and valving arrangement may also be pr...

An image detection processing device which executes the processing at a high speed using a circuit constitution of a small scale best suited for calculating the centroid of an object, the circuit being arranged on the same chip as the image detection processing device. The image detection processing device or a so-called vision chip includes a plurality of image detection processing elements, and comprises a shift register for converting serial data representing the total sum or a portion of the...

Disclosed is a method for integrating an image sensor capable of removing a flicker noise without causing any burdens on a hardware due to setting up additional logics. The method for integrating an exposure time of an image sensor employing a line scan method, including the steps of: performing an integration to a first line when an integer multiple of a light source frequency is different from an integration time; and performing an integration to a second line at a phase substantially equal to...

A photosensor system includes a photosensor array constituted by two-dimensionally arraying a plurality of photosensors, an image reading section which reads a subject image at a predetermined image reading sensitivity by using the photosensor array, a sensitivity adjustment image reading section which reads a sensitivity adjustment subject image while the image reading sensitivity in the photosensor array is changed to a plurality of stages, an optimal image reading sensitivity deriving section...

A method for determining a pixel output value of an imager; the imager having a plurality of pixels, a reset switch associated with each pixel and a select switch associated with each pixel; due to incident illumination upon a pixel of the imager after a reset period. The method captures a first pixel output value when the reset switch is OFF during a reset period and the select switch is ON during a reset period and captures a second pixel output value when the select switch is ON near an end o...

This invention relates to novel heterocyclic compounds structurally characterized by containing a specific heterocyclic group and by the presence of --CH.sub.2 --S--directly bound to the specific heterocyclic group. These heterocyclic compounds are useful as medicines, particularly as antagonists of SRS-A (slow reacting substance of anaphylaxis).

A reflector for a lighting unit and a lighting unit comprising the same is disclosed. The reflector has a generally concave surrface, at least a portion of which concave surface is a series of facets. Each facet has a reflective surface area which is convex. Overlap of the light reflected from the reflective surface areas of adjacent facets provides substantially even illumination of a lens or other object.

A solid-state imaging apparatus including: a pixel section having two-dimensionally arrayed pixels each having a first photoelectric conversion device and a second photoelectric conversion device located at positions regarded as the same position at which image is formed by an imaging optical system and a means for independently resetting each of signals accumulated at the first photoelectric conversion device and the second photoelectric conversion device; a reset control means for executing a ...