IP Library Granted Patent US 7,677,746
Granted Patent B2
US 7,677,746 · App. 11/554,403 · Granted Mar 16, 2010

Illumination device

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Quick Facts
Patent No.
US 7,677,746
App. No.
11/554,403
Granted
Mar 16, 2010
Kind
B2
Abstract

The present invention discloses an illumination device for illuminating users of a multimedia communication terminal. In particular, the illumination device includes high power white LEDs together with a reflector and a diffuser integrated in, or connected to, the terminal. Preferably, the light intensity and the position and angle relative to the terminal are controllable through a user interface.

Claims (26)

1. An illumination device for illuminating one or more users in front of a multimedia communication terminal, comprising:

a LED lamp assembly, comprising:

a gutter-shaped housing with a generally angular or U-shaped cross section including a light reflecting material on an interior of a bottom member of the gutter-shaped housing,

a LED array including a number of light emitting diodes attached to the interior of the bottom member of said gutter-shaped housing, and

a diffuser sheet including a light diffusing, partly transparent material disposed on top of said gutter-shaped housing; and

a user interface allows for control adjustment of a light intensity of at least one of the light emitting diodes and for control adjustment of a position or angle of the LED lamp assembly relative to the multimedia communication terminal, the user interface including a menu system, wherein

said illumination device is configured to be attached under, above or on a side of the multimedia communication terminal by one or more retaining devices, and

said LED array is configured to be electrically coupled to a power source controlled by the multimedia communication terminal.

2. The illumination device according to claim 1 , wherein said user interface allows for control adjustment of the position or the angle relative to the multimedia communication terminal by controlling a movement of the one or more retaining devices.

3. The illumination device according to claim 1 or 2 , further comprising:

one or more narrow ribs being attached on a backside of the illumination device and configured to cool down LED array generated heat.

4. The illumination device according to claim 1 or 2 , wherein said gutter-shaped housing is made of steel or aluminium.

5. The illumination device according to claim 1 or 2 , wherein an internal surface of said gutter-shaped housing includes a white or silver colored layer.

6. The illumination device according to claim 1 or 2 , wherein said diffuser sheet has a matt finish on a face outward from the gutter-shaped housing and a gloss finish on a face inward toward the gutter-shaped housing.

7. A system comprising:

a LED lamp assembly including a gutter-shaped housing with a generally angular or U-shaped cross section including a light reflecting material, a LED array including a number of light emitting diodes attached to a bottom of said gutter-shaped housing, and a diffuser sheet including a light diffusing, partly transparent material disposed on top of said gutter-shaped housing;

a multimedia communication terminal configured to transmit signals through a network;

a retaining device configured to attach the illuminating device to the multimedia communication terminal; and

a user interface allows for control adjustment of a light intensity of at least one of the light emitting diodes and for control adjustment of a position or angle of the LED lamp assembly relative to the multimedia communication terminal, the user interface including a menu system,

wherein said LED array is configured to be electrically coupled to a power source controlled by the multimedia communication terminal.

8. The system of claim 7 , wherein the LED lamp assembly the illuminating device is configured to be detachable from the multimedia communication terminal while still being electrically coupled to the multimedia communication terminal.

9. A system comprising:

a LED lamp assembly including a LED array;

a first multimedia communication terminal configured to transmit signals through a network;

a retaining device configured to attach the illuminating device to the multimedia communication terminal; and

a communications interface configured to receive a command through the network from a remote second multimedia communication terminal to adjust a light intensity of at least one of the light emitting diodes or to adjust a position or angle of the LED lamp assembly relative to the multimedia communication terminal.

Assignments (2)
CONFIRMATORY ASSIGNMENT Recorded Dec 1, 2011
From: TANDBERG TELECOM AS; CISCO SYSTEMS INTERNATIONAL SARL
To: CISCO TECHNOLOGY, INC.
Reel/Frame 027307/0451 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 29, 2007
From: BROWN, DAVID
To: TANDBERG TELECOM AS
Reel/Frame 018844/0765 →