Koninklijke Philips Corporation N.v.

U.S. Philips Corporation

Thomas Zaengel

Bernardus Hendrikus Wilhelmus Hendriks

Michael Harald Kuhn

Nijs Cornelis Van Der Vaart

Michael Overdick

Walter Ruetten

Hans J Lydtin

Horst H Hubner

Thomas A Welker

Ludwig Rehder

The invention relates to an ingestible capsule and method for in vivo imaging and/or treatment of one or more diseased areas of interest within the gastrointestinal tract of an animal or human being. The capsule comprises an image sensor; a lens system for focusing images onto the image sensor; at least one light source for illumination of the tissue area of interest, the at least one light source optionally being capable of providing optical therapeutic treatment to the diseased areas; a variable lens system located in front of the at least one light source, wherein the variable lens system comprises beam steering means and focusing means for directing and focusing the light beams from the at least one light source onto the diseased tissue areas; a control unit in communication with the image sensor, the at least one light source, and variable lens system, the control unit comprising image storing means, processing means and image transmission means; wherein the control unit correlates stored images received from the image sensor as the capsule travels through the gastrointestinal tract and controls the beam steering means and focusing means of the variable lens system to ensure that the light beams from the at least one light source are directed and focused onto the diseased tissue areas; a power source for powering the image sensor, the at least one light source and the control unit; and a non-digestible, transparent outer protective shell configured to pass through the gastrointestinal tract, housing within the image sensor, the lens system, the at least one light source, the variable lens system, the control unit and the power source.

Capsule camera with variable illumination of the surrounding tissue

The application relates to an ingestible capsule and method for in vivo imaging and/or treatment of one or more diseased areas of interest within the gastrointestinal tract of an animal or human being. The capsule comprises an image sensor; a lens system for focusing images onto the image sensor; at least one light source for illumination of the tissue area of interest, the at least one light source optionally being capable of providing optical therapeutic treatment to the diseased areas; a variable lens system located in front of the at least one light source, wherein the variable lens system comprises beam steering means and focusing means for directing and focusing the light beams from the at least one light source onto the diseased tissue areas, &#x2014;a control unit in communication with the image sensor, the at least one light source, and variable lens system, a power source for powering the image sensor, the at least one light source and the control unit; and a non-digestible, transparent outer protective shell configured to pass through the gastrointestinal tract, housing within the image sensor, the lens system, the at least one light source, the variable lens system, the control unit and the power source.

The invention relates to an X-ray detector which includes at least one conversion unit ( ) for converting absorbed X-ray quanta into electric charge signals, at least one evaluation unit ( ) for amplifying and further processing the charge signals, and at least one data processing unit ( ) for the acquisition, further processing and output of data. The charge signals are first amplified by an input amplifier ( ) in the evaluation unit ( ) after which they are evaluated in parallel in a counting channel ( ) as well as in an integrator channel ( ). The charge signals are then counted in the counting channel and the overall charge is integrated in the integrator channel as a measure of the energy delivered in the conversion unit ( ). Because of the parallel presentation of the counting results and the integration results, more weight can be attached thereto in their respective range of the quantum flow that is optimum from a measuring point of view, so that the dynamic range of the X-ray detector is enlarged. Furthermore, additional information, for example, the mean absorption energy of the X-ray quanta, can be determined from the combination of the signals.

X-ray detector having a large dynamic range

The invention relates to a color television projection device having three planar monochromatic light sources for the background illumination of a viewing screen, in which a matrix-shaped electro-optical light valve is associated with each light source characterized in that the light sources are cathodo luminescent.

Color television projection device with cathodoluminescent light sources

A thickened part (1) of a high-melting metal, which may contain emitter material, is formed on a carrier (2) of a high-melting metal. In order to manufacture such electrode structures in mass production and to obtain both various material transitions and combinations and optimum designs, the thickened part (1) is formed by reactive deposition from the gaseous phase (CVD method), preferably by laser-supported deposition from the gaseous phase.

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Aachen, Germany

Thomas Zaengel