Guidance system using changeable signs
First Claim
1. A guidance system for guiding a user to selected targets among a plurality of targets located within a defined area, comprising:
- a portable unit to be carried by the user, including a memory for storing target information identifying a selected target within said defined area, and a transmitter for transmitting signals identifying the selected target within said defined area;
and at least one changeable guidance sign at a predetermined location within said defined area, said changeable guidance sign including a receiver for receiving signals transmitted by said portable unit, a memory for storing guidance information relating the locations of said plurality of targets with respect to said predetermined location of the changeable guidance sign, and a display for displaying the stored guidance information of the location of a target corresponding to a signal transmitted from said portable unit and received by the changeable guidance sign.
1 Assignment
0 Petitions
Accused Products
Abstract
A guidance system for guiding a user to selected targets located within a defined area, such as a warehouse, museum, parking garage, etc., includes a portable unit to be carried by each user and having a memory for storing target information identifying a selected target within the defined area, and a transmitter for transmitting signals identifying the selected target within the defined area. The system further includes at least one changeable guidance sign at a predetermined location within the defined area for receiving signals transmitted by a portable unit and for displaying stored guidance information of the location of a target corresponding to a signal transmitted from the portable unit, and/or a plurality of target devices at the target location for receiving target signals transmitting by a portable unit and for indicating that a received target signal identifies the respective target.
-
Citations
20 Claims
-
1. A guidance system for guiding a user to selected targets among a plurality of targets located within a defined area, comprising:
-
a portable unit to be carried by the user, including a memory for storing target information identifying a selected target within said defined area, and a transmitter for transmitting signals identifying the selected target within said defined area;
and at least one changeable guidance sign at a predetermined location within said defined area, said changeable guidance sign including a receiver for receiving signals transmitted by said portable unit, a memory for storing guidance information relating the locations of said plurality of targets with respect to said predetermined location of the changeable guidance sign, and a display for displaying the stored guidance information of the location of a target corresponding to a signal transmitted from said portable unit and received by the changeable guidance sign. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A guidance system for guiding a user to a selected target among a plurality of targets located within a defined area, comprising:
-
a portable unit to be carried by the user, including a memory for storing target information identifying the selected target, and a transmitter for transmitting a target signal representative of the target information;
a target device adjacent to said selected target, including a receiver for receiving signals transmitting by said portable unit, and a target indicator or indicating that a received signal is said target signal representative of said target information identifying said selected target;
a computer for storing said target information;
and a check-in unit linked to said computer for communicating with said portable unit to download into its memory said target information identifying said selected target;
and a check-in unit linked to said computer for communicating with said portable units to download into its memory said target information identifying said selected target. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification