Patent · US Active

Reading lamp

US8687977B2 · kind B2 · utility

2Cited by

5References

7Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventor

Wolfgang Niehoff · Großburgwedel, DE

Key dates

Filing date	Sep 17, 2009
Grant date	Apr 1, 2014
Priority date	—
Expiry date	Sep 3, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

There is provided a reading lamp having a lighting unit (BE) which has at least first light emitting diodes (LEDs) and/or second light emitting diodes (IR-LEDs) for the emission of IR radiation. The reading lamp further has a modulation unit (ME) for modulation of the light emission of the first and/or second light emitting diodes in dependence on an input signal (IN).

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