Housing for in-line video, keyboard and mouse remote management unit

• US 6,894,906 B2
• Filed: 06/14/2004
• Issued: 05/17/2005
• Est. Priority Date: 09/20/2002
• Status: Active Grant

• Current Assignee: AmZetta Technologies, LLC (American Megatrends International, LLC)
• Original Assignee: American Megatrends Incorporated
• Inventors: Sivertsen, Clas G.
• Primary Examiner(s): Cuneo, Kamand
• Assistant Examiner(s): Levi, Dameon E.
• Application Number:
  US10/867,348
• Publication Number:
  US 20040236833A1
• Time in Patent Office: 337 Days
• Field of Search: 361/704, 361/707, 361/709, 361/728, 361711-715, 361/729, 361718-720, 361/730, 361/731, 361/735, 361/736, 361/788, 361/796, 361/797, 361/799, 361/800, 174/52.1
• US Class Current: 361/796
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/025 for remote control or remote monitoring of applications
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]

Abstract

Methods and devices provide for remote management of a local computer utilizing a compact, portable interaction device for external connection to a local computer and a network. The interaction device includes a thermally conductive housing with circuit boards disposed within. At least one heat-generating component is disposed on an outer surface of each circuit board with at least one thermally conductive pad for each circuit boards abutting the at least one heat generating component and the inner surface of the housing. The device also includes ventilation means for allowing ambient air to flow through the interior of the housing.

Claims

1. An interaction device for obtaining screen displays of a local computer and providing them to a remote computer over a network, comprising:

a thermally conductive housing with a plurality of inner surfaces;

a plurality of circuit boards disposed within the housing, wherein a first circuit board has an outer surface facing a first inner surface of the housing and a second circuit board has an outer surface facing a second inner surface of the housing;

at least one heat-generating component disposed on the outer surface of each of the first and second circuit boards;

at least one thermally conductive pad for each of the first and second circuit boards, the pads being disposed intermediate the outer surfaces of the first and second circuit boards and the first and second inner surfaces of the housing such that one side of each pad abuts the inner surface of the housing and an opposing side of each pad abuts the at least one heat-generating component disposed on the outer surface of the respective circuit board; and

ventilation means for allowing ambient air to flow through the interior of the housing.

2. The interaction device of claim 1, further comprising:

a network connection;

a video input connection; and

wherein the at least one heat-generating component comprises;

a frame grabber circuit for capturing screen frame data that is received through the video input and that is representative of screen frames of the local computer;

a network interface linked to the network connection; and

a processing device for directing the screen frame data captured by the frame grabber circuit through the network interface.

3. The interaction device of claim 1,

wherein the housing comprises a first substantially planar surface and a second substantially planar surface that is in a plane substantially parallel to a plane of the first substantially planar surface;

and

wherein the plurality of circuit boards comprises a first circuit board positioned within the housing such that the first circuit board is in a plane substantially parallel to the plane of the first substantially planar surface, and a second circuit board positioned within the housing relative to the first circuit board such that the second circuit board is in a plane that is substantially parallel to the plane of the first circuit board and that is substantially parallel to the plane of the second substantially planar surface.

4. The interaction device of claim 1, wherein the thermally conductive housing is made of metal.

5. The interaction device of claim 2, further comprising a digital video output connection, wherein the at least one heat-generating component comprises at least one digital video interface (“

DVI”

) transmitter and at least one DVI receiver where the at least one DVI receiver receives a digital video signal through the video input, provides a digital red-green-blue (“

RGB”

) video signal to the at least one DVI transmitter which transmits a digital video signal through the video output connection, and wherein the at least one DVI transmitter and at least one DVI receiver are mounted on the outer surface of a first circuit board such that a first thermally conductive pad is in contact with the at least one DVI transmitter and the at least one DVI receiver.

6. The interaction device of claim 2, further comprising an analog video output connection, wherein the at least one heat-generating component comprises at least one video buffer amplifier that receives an analog video signal through the input connection and provides a video signal through the output connection and an analog-to-digital converter that receives the analog video signal from the video buffer amplifiers and provides a digital video signal to the frame grabber circuit, and wherein the at least one video buffer amplifier and the analog-to-digital converter are mounted on the outer surface of a first circuit board such that a first thermally conductive pad is in contact with the video buffer amplifiers and the analog-to-digital converter.

7. The interaction device of claim 1, further comprising a plurality of standoffs on the interior surface of the housing, wherein the standoffs are adapted to receive fasteners and to slidably engage the first circuit board such that the circuit board is secured intermediate the standoffs and the first inner surface of the housing.

8. The interaction device of claim 1, further comprising a plurality of board-to-board connectors mounted on the plurality of circuit boards for electrically coupling the plurality of circuit boards.

9. The interaction device of claim 1, wherein the ventilation means comprises a fan disposed within a first wall of the housing and ventilation holes disposed within a second wall of the housing to permit air flow between the plurality of circuit.

10. A method of assembling an interaction device for obtaining screen displays of a local computer and providing them to a remote computer over a network, comprising:

positioning a first thermally conductive pad such that a first surface of the first thermally conductive pad contacts an outer surface of a first circuit board;

securing the first circuit board and first thermally conductive pad inside a bottom housing cover such that a second surface of the first thermally conductive pad contacts an inner surface of the bottom housing cover;

positioning a second thermally conductive pad such that a first surface of the second thermally conductive pad contacts an outer surface of a second circuit board;

electrically coupling the second circuit board to the first circuit board and securing the second circuit board inside the bottom housing cover;

placing a top housing cover over the second circuit board wherein an inner surface of the top cover contacts a second surface of the second thermally conductive pad; and

securing the top housing cover to the bottom housing cover.

11. The method of claim 10 wherein the bottom housing cover comprises opposing side walls with a plurality of standoffs on the interior surfaces of the side walls, and wherein securing the first circuit board into the bottom housing cover comprises inserting the circuit board into the bottom housing cover such that the plurality of standoffs slidably engage an inner surface of opposing edges of the circuit board.

12. The method of claim 10 wherein securing the top housing cover to the bottom housing cover comprises using threaded fasteners.

13. The method of claim 10 wherein electrically coupling the second circuit board to the first circuit board and securing the second circuit board inside the bottom housing cover comprises connecting board-to-board connectors on a second circuit board to board-to-board connectors on the first circuit board.

14. The method of claim 13 further comprising:

prior to connecting board-to-board connectors on the second circuit board to board-to-board connectors on the first circuit board, connecting mouse and keyboard connector wires to headers on the first circuit board and connecting video input and video output connector wires to headers on the second circuit board; and

seating strain relief grommets corresponding to a mouse and keyboard connector, video input connector, and video output connector into a front wall of the bottom housing cover.

15. The method of claim 10 wherein the bottom housing cover comprises a cut-out in a side wall sized to receive a fan assembly, and wherein the method further comprises connecting a fan assembly connector to a header on the first circuit board and mounting the fan assembly in the cut-out of the side wall of the bottom housing cover.

16. An interaction device for obtaining screen displays of a local computer and providing them to a remote computer over a network, comprising:

a network connection;

a video input connection;

a metal housing having a first substantially planar surface and having a second substantially planar surface that is in a plane substantially parallel to a plane of the first substantially planar surface;

a first circuit board disposed within the housing and containing a frame grabber circuit for capturing screen frame data that is received through the video input and that is representative of screen frames of the local computer, wherein the first circuit board is positioned within the housing such that the first circuit board is in a plane substantially parallel to the plane of the first substantially planar surface, and wherein the frame grabber circuit is disposed on a side of the first circuit board facing the first substantially planar surface;

a second circuit board disposed within the housing and containing a network interface linked to the network connection and containing a processing device for directing the screen frame data captured by the frame grabber circuit of the first circuit board through the network interface, wherein the second circuit board is positioned within the housing relative to the first circuit board such that the second circuit board is in a plane that is substantially parallel to the plane of the first circuit board and that is substantially parallel to the plane of the second substantially planar surface, and wherein the processing device and network interface are disposed on a side of the second circuit board facing the second substantially planar surface;

a first thermally conductive pad that is disposed between the first circuit board and the first substantially planar surface and that is in contact with the frame grabber circuit of the first circuit board and the first substantially planar surface; and

a second thermally conductive pad that is disposed between the second circuit board and the second substantially planar surface and that is in contact with the network interface and processing device of the second circuit board and the second substantially planar surface.

17. The interaction device of claim 16, further comprising a digital video output connection, wherein the first circuit board further contains at least one DVI transmitter and at least one DVI receiver where the at least one DVI receiver receives a digital video signal through the video input, provides a digital RGB video signal to the at least one DVI transmitter which transmits a digital video signal through the video output connection, and wherein the first thermally conductive pad is in contact with the at least one DVI transmitter and the at least one DVI receiver.

18. The interaction device of claim 16, further comprising an analog video output connection, wherein the first circuit board further contains video buffer amplifiers that receive an analog video signal through the input connection and provides a video signal through the output connection, wherein the first circuit board further contains an analog-to-digital converter that receives the analog video signal from the video buffer amplifiers and provides a digital video signal to the frame grabber circuit, and wherein the first thermally conductive pad is in contact with the video buffer amplifiers and the analog-to-digital converter.