×

Graffiti detection system and method of using the same

  • US 6,288,643 B1
  • Filed: 06/06/2000
  • Issued: 09/11/2001
  • Est. Priority Date: 06/07/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of detecting a graffiti-making act, comprising:

  • providing a graffiti-making act detection system to detect a graffiti-making act, the graffiti-making act detection system including one or more sonic sensors to sense sound having a characteristic frequency or frequencies representative of the graffiti-making act and transmit a signal or signals in response to the sound of the graffiti-making act; and

    a base unit including electronics to process the signal or signals, and an alarm to indicate that a graffiti-making act has been detected;

    locating the one or more sonic sensors and the base unit of the graffiti-making act detection system near a structure prone to receiving graffiti;

    sonically sensing with said one or more sonic sensors sound having a characteristic frequency or frequencies representative of a graffiti-making act and transmitting a signal or signals in response to the sound of the graffiti-making act to the electronics;

    processing the signal or signals in response to the sound of the graffiti-making act with the electronics;

    initiating an alarm indicating that the graffiti-making act took place if the signal or signals represent a sound of a graffiti-making act.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×