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Methods and marking devices with mechanisms for indicating and/or detecting marking material color

  • US 9,097,522 B2
  • Filed: 05/25/2010
  • Issued: 08/04/2015
  • Est. Priority Date: 08/20/2009
  • Status: Active Grant
First Claim
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1. A hand-held marking device to mark a presence or an absence of an underground facility in a dig area, comprising:

  • a hand-held housing to dispense a marking material onto ground for marking the presence or the absence of the underground facility in the dig area;

    a marking dispenser holder affixed to the hand-held housing to hold a marking dispenser;

    a presence sensor in the marking dispenser holder to detect a presence of the marking dispenser within the marking dispenser holder;

    an actuator to cause dispensing of the marking material from the marking dispenser onto the ground to mark the presence or the absence of the underground facility in the dig area;

    a multiple-position marking material selector to provide marking material information in response to user selection, wherein the marking material information comprises paint color information;

    a local memory to store the marking material information from the marking material selector; and

    a processing device communicatively coupled to the presence sensor, the multiple-position marking material selector, and the local memory, wherein the processing device is configured to control logging of the marking material information provided by the multiple-position marking material selector in the local memory when the presence of the marking dispenser is detected by the presence sensor.

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