Automatic door warning system

  • US 5,986,561 A
  • Filed: 06/06/1998
  • Issued: 11/16/1999
  • Est. Priority Date: 06/06/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. An automatic door warning system for use in conjunction with those public transportation vehicles having automatic doors, said automatic door warning system comprising:

  • a front panel;

    message display means for visually displaying textual messages, said message display means affixed to said front panel;

    audible alarm means for providing an audible alarm;

    visual alarm means for providing a visual warning;

    a rear housing for containing said audible alarm means and said visual alarm means, said rear housing being in mechanical contact with said front panel; and

    attachment means for affixing said automatic door warning system to a surface.

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