DIFFUSER WITH INTERCHANGEABLE COVER

1 . A diffuser system comprising:

a complete diffuser; and

a two-part decorative diffuser cover having an inner cavity shaped to receive the complete diffuser, wherein one part of the two-part decorative diffuser cover is removably coupled to the complete diffuser, wherein the two-part decorative diffuser cover forms a single decorative structure when both parts of the two-part decorative diffuser cover are joined together.

2 . The diffuser system of claim 1 , wherein the one part of the two-part decorative diffuser cover selectively couples to a bottom portion of the complete diffuser to form a base portion of the two-part decorative diffuser cover.

3 . The diffuser system of claim 2 , wherein the one part of the two-part decorative diffuser cover comprises a cover user control interface to facilitate operation of a diffuser user control interface of the complete diffuser.

4 . The diffuser system of claim 3 , wherein the cover user control interface of the one part of the two-part decorative diffuser cover comprises an opening to expose the diffuser user control interface to facilitate operation of the diffuser user control interface through the one part of the two-part decorative diffuser cover.

5 . The diffuser system of claim 3 , wherein the cover user control interface of the one part of the two-part decorative diffuser cover comprises one or more structures which interact with the diffuser user control interface in response to input at the cover user control interface.

6 . The diffuser system of claim 5 , wherein the one or more structures comprises at least one of a mechanical structure and an electrical structure.

7 . The diffuser system of claim 1 , wherein the complete diffuser comprises a diffuser element that disperses a liquid into air within a diffuser chamber and a lid shaped to at least partially enclose an upper opening of the diffuser chamber

8 . The diffuser system of claim 7 , wherein the two-part decorative diffuser cover comprises an internal channel to receive the dispersed liquid from the diffuser chamber and direct the dispersed liquid to an exterior of the diffuser system.

9 . The diffuser system of claim 7 , wherein the two-part decorative diffuser cover includes one or more openings, the one or more openings being positioned to receive dispersed liquid from a lid of the complete diffuser to allow the dispersed liquid to pass to an exterior of the diffuser system.

10 . The diffuser system of claim 1 , wherein the two-part decorative diffuser cover comprises a decorative element that is at least partially transparent.

11 . The diffuser system of claim 10 , wherein the decorative element comprises glass.

12 . The diffuser system of claim 1 , wherein the complete diffuser comprises an ultrasonic plate and a controller is configured to calibrate the complete diffuser by reading information from the complete diffuser and adjusting a frequency of the ultrasonic plate.

13 . The diffuser system of claim 1 , wherein the complete diffuser continues to provide a dispersed liquid in response to the two-part decorative diffuser cover being removed.

14 . The diffuser system of claim 1 , wherein the two-part decorative diffuser cover comprises one of a plurality of compatible covers for the complete diffuser, each of the compatible covers of the plurality of compatible covers comprising one or more of similar electrical interfaces, similar dispersed liquid interfaces, different decorative features, and different interactive elements.

15 . The diffuser system of claim 1 , further comprising a coupling element allowing a user to release the two-part decorative diffuser cover from the complete diffuser, wherein the coupling element comprises one or more of a spring loaded latch allowing the user to release the removable diffuser cover from the complete diffuser by hand without using a tool and a twist lock allowing the user to release a top portion of the two-part decorative diffuser cover from the one part of the two-part decorative diffuser cover.

16 . A system comprising:

a top portion of a two-part decorative diffuser cover; and

a bottom portion of the two-part decorative diffuser cover configured to couple to the top portion to form a unified structure, the bottom portion configured to couple to a complete diffuser and form, with the top portion, an inner cavity to house the complete diffuser at least partially within the unified structure, wherein the bottom portion comprises a cover control interface to facilitate interaction with a diffuser control interface of the complete diffuser to control the complete diffuser.

17 . The system of claim 16 , wherein the cover control interface interacts with the diffuser control interface in one of a mechanical coupling and an electrical coupling.

18 . A diffuser base comprising:

a user interface structure sized to facilitate operation of a diffuser user interface of a complete diffuser;

a diffuser coupling element sized to receive and couple to a complete diffuser and align the diffuser user interface with the user interface structure; and

a decorative top cover coupling element positioned to couple to a complimentary coupling element of a decorative top cover, wherein the diffuser base and the decorative top cover form an inner cavity to receive the complete diffuser.

19 . The diffuser base of claim 18 , wherein the user interface structure further comprises at least one of an opening, a mechanical structure, and an electrical structure to facilitate operation of the diffuser interface of the complete diffuser.

20 . The diffuser base of claim 18 , wherein the decorative top cover coupling element is configured to couple to the complimentary coupling element of a plurality of different decorative top covers to form the inner cavity.