Modular keypad assembly

1. A modular keypad assembly including at least one user input for use with a projection device, such a modular keypad assembly comprising:

an elastomer keypad;

a keypad support plate; and

a keypad circuit board, where a liquid barrier is created between the elastomer keypad and a projection device body when the modular keypad assembly is disposed in the projection device body.

2. The modular keypad assembly of claim 1 , wherein the user input may include a button.

3. The modular keypad assembly of claim 1 , wherein the keypad circuit board further comprises a printed circuit assembly with keypad circuits.

4. The modular keypad assembly of claim 1 , wherein the modular keypad assembly incorporates a liquid crystal display assembly.

5. The modular keypad assembly of claim 4 , wherein the liquid crystal display assembly further includes a liquid crystal display and a liquid crystal bezel.

6. The modular keypad assembly of claim 4 , wherein the liquid crystal display screen is sealed between the elastomer keypad and the liquid crystal bezel.

7. The modular keypad assembly of claim 1 , wherein the elastomer keypad, that keypad support, and the keypad circuit board are arranged in a layered orientation relative to one another.

8. The modular keypad assembly of claim 7 , wherein the elastomer keypad, the keypad circuit board, and the keypad support plate are disposed in one or more layers.

9. The modular keypad assembly of claim 7 , wherein each of the elastomer keypad, the keypad circuit board, and the keypad support plate corresponds to a single layer.

10. The modular keypad assembly of claim 7 , wherein one or more of the elastomer keypad, the keypad circuit board, and the keypad support plate are incorporated in the same layer.

11. The modular keypad assembly of claim 1 , wherein the modular keypad is configured to be compression fit into a projection device body.

12. The modular keypad assembly of claim 1 , further comprising one or more keypad retainers adapted to fasten the modular keypad assembly to a projection device body.

13. The modular keypad assembly of claim 12 , wherein the keypad retainers include one or more of a flange, an e-rings, a screw, a crushed rib, a flange, and a pull-thru dart.

14. The modular keypad assembly of claim 12 , wherein the keypad retainers are disposed on the interior of the projection device.

15. The modular keypad assembly of claim 12 , wherein the keypad retainers are further adapted to provide electromagnetic-interference (EMI) conductivity.

16. The modular keypad assembly of claim 1 , wherein the keypad support plate is adapted to maintain a substantially rigid form.

17. The modular keypad assembly of claim 1 , wherein the elastomer keypad is primarily composed of silicone.

18. A projection device comprising:

a light source;

an optical engine receiving light produced from the light source and configured to generate an image;

one or more of user inputs adapted to enable a user to operate the projection device by controlling the light source and the generated image; and

a modular keypad assembly configured to include one or more user inputs, wherein a moisture barrier is formed between the modular keypad assembly and the projection device.

19. The projection device of claim 18 , wherein said modular keypad assembly further includes an elastomer keypad, a keypad support plate, and a keypad circuit board.

20. The projection device of claim 18 , wherein said modular keypad assembly includes a layered configuration.

21. The projection device of claim 18 , wherein said modular keypad assembly includes a liquid crystal display assembly.

22. The projection device of claim 18 , wherein said modular keypad assembly is configured to be assembled independently from a projection device body.

23. A modular keypad assembly for an electronic device comprising:

a first layer including an elastomer keypad, wherein the keypad is substantially flush or recessed from a body edge of the electronic device;

a second layer including a keypad support plate; and

a third layer including a keypad circuit board, wherein the keypad assembly operates as a heat sink for the electronic device.

24. The modular keypad assembly of claim 23 , further including an attachment means configured to attach at least one of the first layer to one of the second layer and third layer.

25. The modular keypad assembly of claim 23 , further comprising securing means configured to secure the modular keypad assembly to the electronic device.

26. The modular keypad assembly of claim 23 , further comprising at least one user input.

27. The modular keypad assembly of claim 23 , wherein the modular keypad assembly is configured to be compression inserted into the electronic device.

28. A projection device having the modular keypad assembly of claim 23 .