The present invention relates to a new process for the preparation of 3-substituted derivatives of 1-amino-2- hydroxy-propane in the form of single diastereoisomers, to certain of these diastereoisomers, and to compounds which are intermediates in the new process of the invention.

An image sensing apparatus which reduces noise generated by shift operation and power consumption is disclosed. The shift register of a horizontal scanning circuit is divided into a plurality of partial shift registers. Shift clock control circuits control supply of a shift clock to the partial shift registers individually for each partial shift register.

An image pickup apparatus comprising: a plurality of pixels each with a photodiode, a logarithmic converter including a logarithmic-converting MOS transistor for converting an output of the photodiode into an electric signal proportional to a logarithmic value of an amount of incident light on the photodiode, and an integration circuit for accumulating an output from the logarithmic converter; a voltage controller for control of a voltage to be applied to the transistor; and an output circuit fo...

This invention relates to a video camera for inputting an image of an object as an electrical signal. This video camera includes a CCD, a clock selector for selecting a clock having a frequency corresponding to a read object region in which pixels are read out from the CCD, a CCD controller for driving the CCD in accordance with the clock having the selected frequency to read out pixels from the read object region, and a monitor for displaying an image on the basis of the pixels read out from th...

A solid-state camera device having a matrix of pixels arranged in rows and columns, wherein a subset of pixels of the entire pixel matrix can be read for display and confirmation of photographic conditions to reduce power consumption and decrease time to display the image. In electronic cameras light is focused on the camera device having pixels and the light energy is used to provide an electric signal from each pixel in proportion to the incident light to provide an image signal. The image sig...

In an XY address type solid-state imager apparatus comprising a solid-state imager having a plurality of pixels two-dimensionally arranged, and horizontal and vertical scanning circuits to read signals of the pixels, the scanning circuits each have a progressive scanning circuit to progressively read pixel signals by a first scanning control signal, and an interlace scanning circuit to read pixel signals with an interlaced manner by a second scanning control signal different from the first scann...

A solid state imaging device includes: a pixel array section in which pixels including photoelectric conversion elements are two dimensionally arranged; a vertical selector that sequentially applies selective scanning to respective rows of the pixel array section; and a controller that discharges, when a mode for reading out only pixel signals of respective rows in a given row range in the pixel array section is set by the vertical selector, charges generated in the photoelectric conversion elem...

There is provided a solid-state image pickup device comprising a plurality of pixel units, each of which includes a photoelectric conversion element, a signal line which reads out signals from said plurality of pixel units, a first capacitor element which has a first electrode connected to the signal line, an amplifier which has an input terminal connected to a second electrode of the first capacitor element, and a second capacitor element connected between the input terminal and an output termi...

The invention concerns a device in particular for inspecting conduits of ventilating or air-conditioning installations, in connection with the cleaning of said conduits. Said device comprises a mobile head (2), designed to be inserted in the conduit (1) or other duct to be inspected. The mobile head (2) contains a video camera (12) connected to external means for displaying (6) and/or recording images from inside the conduit(1). Said mobile head (2) is also connected by a flexible pipe (4) to an...

An image detector for X-ray technology enables different image resolutions in a simple way. In an a-Si:H detector matrix, several pixels can be fixed via a row lead and a column lead, and these pixels can be interrogated together or, by the use of voltage impulses of different levels or polarity, can be interrogated separately.