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US 9,685,103 B2Granted
Door with built-in exit signal
AssigneeHon Hai Precision Industry Co., Ltd.
InventorsFeng-Yuen Dai, Chau-Jin Hu, Yung-Lun Huang
Life of this patent
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Abstract
A door with an “EXIT” signal which operates automatically includes a door panel and a light source. The door panel includes a first plate. The first plate includes a front surface. The front surface defines a plurality of pits. The pits form a predetermined pattern, in the shape of a word. The light source is fixed above the first plate. The light source emits light to toward the pits to illuminate the predetermined pattern in the shape of a word when the door is in a closed state.
Claims5
A door comprising:
- a door panel comprising a first plate, the first plate comprising a front surface, the front surface defining a plurality of pits forming a predetermined pattern;
- and
- a light source fixed above the first plate, the light source configured to emit light toward the pits, in event the door is in a closed state, thereby illuminating the predetermined pattern formed by the pits;
- wherein the first plate further comprises a top surface and a bottom surface, the front surface is connected between the top surface and the bottom surface, when the door is in the closed state, the top surface is opposite to the light source.
1 more element
A door comprising:
- a door panel comprising a movable first plate, the first plate comprising a front surface, the front surface defining a plurality of pits forming an exit signal;
- and
- a light source positioned above the first plate, the light source configured to emit light toward the pits, in event the first plate moves to opposite to the light source, thereby illuminating the exit signal formed by the pits;
- wherein the first plate further comprises a top surface and a bottom surface, the front surface is connected between the top surface and the bottom surface;
- and
- wherein the top surface comprises an optical structure, the light scatters at the optical structure to lighten the predetermined pattern.
3 more elements
Dependencies are inferred from the claim text.