Automatic door warning system
OwnerKollanparampil K. Kuruvilla, Santhamma Kuruvillainventors
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OwnerKollanparampil K. Kuruvilla, Santhamma Kuruvillainventors
Estimating the term…
An apparatus is provided for the automatic advance warning of imminent automatic door closure to passengers of public transportation vehicles. Comprised of a panel mounted above the automatic door, consisting of an alarm light, a message display area, and a speaker capable of producing audible alarm warnings as well as audible verbal warning messages, it is capable of warning incoming passengers that automatic door closure is imminent. When a door close signal is received from existing door control circuitry, the apparatus is activated and it produces the audible and visual warning messages. After an appropriate delay period the audible and visual warning devices are deactivated and a door close signal is issued to the existing automatic doors and associated door safety guard circuitry.
An automatic door warning system for use in conjunction with those public transportation vehicles having automatic doors, said automatic door warning system comprising:
A door warning system for use with automatic doors having door control circuitry generating a door close signal and a door actuator, said door warning system comprising:
Dependencies are inferred from the claim text.