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US 6,230,847 B1Granted
Flashing “door open” button for an elevator car
AssigneeOtis Elevator Company
InventorSteve Skolnick
Life of this patent
Estimating the term…
Abstract
A flashing “door open” button positioned on an elevator car control panel. The flashing button is connected to a door opener and flashes at predetermined times during the operation of an elevator.
Claims7
A device for getting attention during the closing of doors of an elevator car in an elevator system comprising:
- a button operably connected to a device for opening and closing said doors of said elevator said button controlling said device to open said doors when said button is pressed;
- and
- a light source for illuminating said button and operably connected to said device for opening and closing said doors and and whereby said light source illuminates said button upon receipt of a door close command and ceases illuminating said button upon closure of said doors.
Dependencies are inferred from the claim text.