| 摘要 |
<p>This invention relates to assemblies used as night lights and contains certain embodiments that improve, add features, and/or lower the cost of the type of momentary night light defined by US Patent 7,253,570 The words 'momentary night light assembly' as used in this invention means a light that remains lit for only a short fixed period of time following a transition from light to dark of the local ambient light It then turns itself off after a short time period until another light to dark transition occurs The words 'night light' as used herein means a light that remains on while the local ambient light is dark following a light to dark transition</p> |
