A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Door lock having day-night visible keypad
A door lock apparatus including a door lock housing, a door lock, and a keypad operatively connected to the door lock housing and to the door lock. The keypad includes a protective layer, a decorative layer, and a light source, wherein the protective layer is disposed next to the decorative layer and the decorative layer is disposed between the protective layer and the light source. The decorative layer includes a first surface having a first material located thereon and a second surface having a second material located thereon, and wherein the first material and the second material are generally aligned to provide indicia having a three- dimensional appearance with the indicia being offset from a background plane.
Door lock having day-night visible keypad
A door lock apparatus including a door lock housing, a door lock, and a keypad operatively connected to the door lock housing and to the door lock. The keypad includes a protective layer, a decorative layer, and a light source, wherein the protective layer is disposed next to the decorative layer and the decorative layer is disposed between the protective layer and the light source. The decorative layer includes a first surface having a first material located thereon and a second surface having a second material located thereon, and wherein the first material and the second material are generally aligned to provide indicia having a three- dimensional appearance with the indicia being offset from a background plane.
Door lock having day-night visible keypad
SNIDER CHRIS R (author)
2020-06-04
Patent
Electronic Resource
English