Patent · US Expired

Electro optical transducer utilizing aligned light conductors

US4827124A · kind A · utility

1Cited by

5References

5Claims

0Family size

Assignee

Mannesmann AG · DE

Inventors

Alfred Babsch · Blaustein, DE
Dieter Beth · Langenau, DE
Werner Panzer · Senden, DE
Johann Stempfle · Brackenheim, DE

Key dates

Filing date	May 15, 1985
Grant date	May 2, 1989
Priority date	—
Expiry date	May 15, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG01D5/264
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Opaque/translucent-transparent markings on a flat track pass through a gap defined by a carrier body sealed in a casing and having peripheral grooves ending at the gap of the body for embedding light conductors connected to light emitting and receiving means aranged generally on opposite sides of the gap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.