Patent · US Expired

Medical device with partially transparent housing

US7230231B2 · kind B2 · utility

4Cited by

5References

8Claims

0Family size

Assignee

3M ESPE AG · DE

Inventors

Michael Keller · Traisen, DE
Helmut Pauser · Dießen, DE
Martin Hartung · Gilching, DE

Key dates

Filing date	Nov 26, 2001
Grant date	Jun 12, 2007
Priority date	—
Expiry date	Jun 29, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH05K5/0017
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A device is provided having a housing with a housing wall consisting of a non-transparent plastic with an outer surface and an inner surface; and an operating mode display unit with at least one light-emitting element which is/are located inside the housing, underneath the inner surface of the housing wall. The housing wall has at least one recess in the area of the light-emitting element and the light intensity of the at least one light-emitting element is adjusted in such a way that in its light-emitting mode, said at least one light-emitting element is only optically perceptible in a localizable manner through the housing wall in this area.

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