Obstacle detection system
First Claim
Patent Images
1. IN A SYSTEM FOR DETECTING THE PRESENCE OF OBSTACLES IN A GIVEN AREA, A PRIMARY LOOP SURROUNDING SAID GIVEN AREA, AN ALTERNATING CURRENT SOURCE EXCITING SAID PRIMARY LOOP, FIRST AND SECOND PAIRS OF SECONDARY LOOPS LOCATED IN SAID GIVEN AREA, EACH OF SAID PAIRS OF SECONDARY LOOPS BEING CONNECTED IN SERIES OPPOSITION SUCH THAT THE VOLTAGES INDUCED IN THE RESPECTIVE LOOPS OF EACH PAIR ARE OF OPPOSITE POLARITY, THE SUM OF WHICH VOLTAGES IS NORMALLY ZERO, ADJACENT SECOND LOOPS IN SAID FIRST AND SECOND PAIRS BEING POSITIONED SUCH THAT EACH OF THE SECONDARY LOOPS ENCOMPASSES A PORTION OF THE AREA ENCOMPASSED BY THE ADJACENT SECONDARY LOOP WHEREBY SAID SYSTEM WILL BE RESPONSIVE TO OBSTACLES AT ANY POSITION WITHIN SAID GIVEN AREA.
0 Assignments
0 Petitions
Accused Products
-
Citations
1 Claim
-
1. IN A SYSTEM FOR DETECTING THE PRESENCE OF OBSTACLES IN A GIVEN AREA, A PRIMARY LOOP SURROUNDING SAID GIVEN AREA, AN ALTERNATING CURRENT SOURCE EXCITING SAID PRIMARY LOOP, FIRST AND SECOND PAIRS OF SECONDARY LOOPS LOCATED IN SAID GIVEN AREA, EACH OF SAID PAIRS OF SECONDARY LOOPS BEING CONNECTED IN SERIES OPPOSITION SUCH THAT THE VOLTAGES INDUCED IN THE RESPECTIVE LOOPS OF EACH PAIR ARE OF OPPOSITE POLARITY, THE SUM OF WHICH VOLTAGES IS NORMALLY ZERO, ADJACENT SECOND LOOPS IN SAID FIRST AND SECOND PAIRS BEING POSITIONED SUCH THAT EACH OF THE SECONDARY LOOPS ENCOMPASSES A PORTION OF THE AREA ENCOMPASSED BY THE ADJACENT SECONDARY LOOP WHEREBY SAID SYSTEM WILL BE RESPONSIVE TO OBSTACLES AT ANY POSITION WITHIN SAID GIVEN AREA.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeHarold M. Morrison
-
Original AssigneeHarold M. Morrison
-
InventorsMorrison, Harold M.
-
Application NumberUS04/015,629Time in Patent Office1,720 DaysField of SearchUS Class Current340/941CPC Class CodesG05D 1/0265 using buried wires
