Position sensor and picture image input device

Positioning optical components and waveguides

Pre-multiplexed Schottky barrier focal plane

Pressure sensor utilizing a polyurethane optical fiber

Pressurized optical cable equipped to detect and locate pressure

Prism arrangement for scanning infrared images

Process and apparatus for the automatic focusing of microscopes

Process and apparatus for the exchange of emission sources

Process for aligning an optical fiber forming part of an optical

Process for exchanging functional groups by halogen-metal...

Process for utilizing light radiation with the aid of fluorescen

Process for utilizing light radiation with the aid of fluorescen

Production of .sup.123 I

Programmable phonograph device

Programmable record changer

Projecting optical system with deflected optical axis maintained

Proximity correction system for wafer lithography

Pu-ZR Alloy high-temperature activation-measurement foil

Pulse quaternary communication means

Pulsed light signal receiver