HOUSING ASSEMBLY FOR IMAGING ASSEMBLY AND FABRICATION METHOD THEREFOR
A housing assembly for an imaging assembly comprises a housing body comprising at least one passage for accommodating a respective light socket; and a filter integrated with the housing body through which an image sensor looks.
1 . A housing assembly for an imaging assembly, the housing assembly comprising:
a housing body comprising at least one passage for accommodating a respective light socket; and
a filter integrated with the housing body through which an image sensor looks.
2 . The housing assembly of claim 1 , wherein the housing body comprises a plurality of passages, each passage accommodating a respective light socket.
3 . The housing assembly of claim 2 , wherein two of said passages are positioned on opposite sides of said filter.
4 . The housing assembly of claim 3 , wherein one of said passages is positioned above said filter.
5 . The housing assembly of claim 4 , wherein said one passage is centrally positioned above said filter.
6 . The housing assembly of claim 4 , wherein said filter is an infrared pass filter.
7 . The housing assembly of claim 6 , wherein said infrared pass filter has a pass wavelength range of between about 830 nm and 880 nm.
8 . The housing assembly of claim 1 , wherein said filter is an infrared pass filter.
9 . The housing assembly of claim 7 , wherein said infrared pass filter has a pass wavelength range of between about 830 nm and 880 nm.
10 . The housing assembly of claim 1 , further comprising a retro-reflective label disposed on a forward surface of the housing body.
11 . The housing assembly of claim 6 , further comprising a retro-reflective label disposed on a forward surface of the housing body.
12 . The housing assembly of claim 8 , further comprising a retro-reflective label disposed on a forward surface of the housing body.
13 . The housing assembly of claim 1 , wherein the filter and the housing body are formed of injection moldable materials.
14 . The housing assembly of claim 1 , wherein the socket comprises a closed end through which radiation emitted by a light source accommodated by said socket passes.
15 . The housing assembly of claim 14 , wherein the closed end comprises at least one of a beam splitter layer and a diffuser layer.
16 . The housing assembly of claim 15 , wherein the closed end comprises both a beam splitter layer and a diffuser layer.
17 . The housing assembly of claim 6 , wherein the closed end comprises at least one of a beam splitter layer and a diffuser layer.
18 . The housing assembly of claim 17 , wherein the closed end comprises both a beam splitter layer and a diffuser layer.
19 . The housing assembly of claim 8 , wherein the closed end comprises at least one of a beam splitter layer and a diffuser layer.
20 . The housing assembly of claim 19 , wherein the closed end comprises both a beam splitter layer and a diffuser layer.
21 . The housing assembly of claim 10 , wherein the closed end comprises at least one of a beam splitter layer and a diffuser layer.
22 . The housing assembly of claim 21 , wherein the closed end comprises both a beam splitter layer and a diffuser layer.
23 . The housing assembly of claim 1 , wherein the socket is rotatable within the passage.
24 . The housing assembly of claim 23 , wherein the socket is rotatable within the passage between indexed positions.
25 . The housing assembly of claim 24 , wherein the socket and passage carry mating formations.
26 . The housing assembly of claim 25 , wherein the mating formations comprise a plurality of grooves and a rib.
27 . The housing assembly of claim 26 , wherein the grooves are formed in a wall surrounding the passage and the rib is carried by the socket.
28 . A method of fabricating a housing, assembly of an imaging assembly for use with an interactive input system, the method comprising:
forming a filter in a mold using a first injection; and
forming a housing body around the filter in the mold using a second injection.
29 . The method of claim 28 , further comprising resetting the mold prior to the step of forming the housing body.
30 . The method of claim 28 , wherein the filter forming comprises molding the filter using a first material and the housing body forming comprises molding the filter body using a second material.
31 . The method of claim 30 , wherein the first and second materials are polycarbonate.
32 . The method of claim 28 , further comprising applying a label to a forward surface and the housing body.
33 . The method of claim 29 , further comprising applying a label to a formed surface and the housing body.
34 . The method of claim 28 , wherein the filter forming and housing body forming are performed at a plurality of injection molding locations simultaneously.
35 . The method of claim 32 , wherein the filter forming and housing body forming are performed at a plurality of injection molding locations simultaneously.