Building automation controller with rear projecting light
First Claim
1. An HVAC controller comprising:
- a housing mountable on a vertical surface;
a printed circuit board disposed within the housing, the printed circuit board including a light source operably secured to the printed circuit board;
a light guide secured relative to the printed circuit board such that light from the light source enters the light guide and propagates along the light guide, the light guide comprising;
a light input pocket configured to receive light from the light source;
a bifurcated inlet section optically coupled to the light input pocket;
a light guide body extending from the bifurcated inlet section; and
an output surface extending along a rear facing surface of the light guide body such that light exiting the output surface is projected onto the vertical surface to which the housing is mountable.
3 Assignments
0 Petitions
Accused Products
Abstract
An HVAC controller may include a housing that is mountable on a vertical surface and a printed circuit board that is disposed within the housing. The printed circuit board may include a light source operably secured to the printed circuit board. A light guide may be secured relative to the printed circuit board such that light from the light source enters the light guide and propagates along the light guide. The light guide includes a light input pocket configured to receive light from the light source, a bifurcated inlet section optically coupled to the light input pocket, a light guide body extending from the bifurcated inlet section, and an output surface extending along a rear facing surface of the light guide body such that light exiting the output surface is projected onto the vertical surface to which the housing is mountable.
83 Citations
20 Claims
-
1. An HVAC controller comprising:
-
a housing mountable on a vertical surface; a printed circuit board disposed within the housing, the printed circuit board including a light source operably secured to the printed circuit board; a light guide secured relative to the printed circuit board such that light from the light source enters the light guide and propagates along the light guide, the light guide comprising; a light input pocket configured to receive light from the light source; a bifurcated inlet section optically coupled to the light input pocket; a light guide body extending from the bifurcated inlet section; and an output surface extending along a rear facing surface of the light guide body such that light exiting the output surface is projected onto the vertical surface to which the housing is mountable. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An HVAC controller comprising:
-
a housing mountable on a vertical surface; a printed circuit board disposed within the housing, the printed circuit board including a first light source operably secured on a first region of the printed circuit board and a second light source operably secured on a second region of the printed circuit board, wherein the second region is spaced from the first region; a light guide secured relative to the printed circuit board such that light from the first light source and light from the second light source enters the light guide and propagates through the light guide, the light guide comprising; a first light input pocket configured to receive light from the first light source; a first inlet section optically coupled to the first light input pocket; a second light input pocket configured to receive light from the second light source; a second inlet section optically coupled to the second light input pocket; a light guide body including a first leg extending along a first path between the first inlet section and the second inlet section, and a second leg extending in a second path between the first inlet section and the second inlet section; and an output surface directing light rearward and onto the vertical surface upon which the HVAC controller is mountable. - View Dependent Claims (12, 13)
-
-
14. A method of operating an HVAC controller that controls one or more HVAC components, the HVAC controller having two or more different operating states, the method comprising:
-
identifying a first operating state of the HVAC controller from the two or more different operating states; identifying a first color assigned to the first operating state, wherein at least two of the two or more different operating states have different assigned colors; and projecting the first color rearward and onto a surface upon which the HVAC controller is mountable while shielding the first color from being projected forward and away from the surface. - View Dependent Claims (15, 16, 17, 18, 19, 20)
-
Specification