Patent ID: 9269255
Filing Date: 2016-02-23
CPC Classification: B66C,G01S,G08B

Claim Text:
1. A method for warning of proximity in a worksite, said method comprising: detecting, by a processor of a first transceiver, a second transceiver, wherein said first transceiver is a mobile wearable device, and wherein said first transceiver and said second transceiver are located at a worksite; establishing, by said processor of said first transceiver, an ad-hoc network between said first transceiver and said second transceiver; calculating, by said processor of said first transceiver, a distance in three dimensions between said first transceiver and said second transceiver based on said detecting said second transceiver and based on distance information shared between said first transceiver and said second transceiver; defining, by said processor of said first transceiver, a first safety envelope about said first transceiver and a second safety envelope about said second transceiver; and said first transceiver issuing an alarm, when said first safety envelope comes in contact with said second safety envelope.