Distrubuted radio antenna passive sensor system

• US 20060033640A1
• Filed: 08/12/2004
• Published: 02/16/2006
• Est. Priority Date: 08/12/2004
• Status: Abandoned Application

• Current Assignee: Timothy Ray Minor
• Original Assignee: Timothy Ray Minor
• Inventors: Minor, Timothy Ray
• Application Number:
  US10/917,078
• Publication Number:
  US 20060033640A1
• Time in Patent Office: Days
• US Class Current: 340/870.160
• CPC Class Codes: G01K 1/024 for remote indication
• CPC Class Codes: G01K 2215/00 Details concerning sensor power supply

Abstract

A passive wireless sensor system having one or more distributed radio antennas 12 creating electromagnetic radiation paths 14 to and from the passive wireless sensors 13. The passive wireless sensors 13 are energized by a radio signal from a radio transmitter(s). The passive wireless sensors 13 are read by a radio receiver(s). The passive wireless sensors 13 convey an environmental parameter(s) to the radio receiver. Together the radio transmitter(s) and radio receiver(s) are called a central radio transmitter-receiver 11.

Claims

1. The use of a distributed radio antenna in a passive wireless sensor system that is for sensing environmental parameters.

2. The use of a distributed radio antenna in a passive wireless sensor system used for environmental parameters to extend the range between the sensors and the energizing radio transmitter(s).

3. The use of a distributed radio antenna in a passive wireless sensor system used for environmental parameters to extend the range between the sensors and the reading radio receiver(s).

4. The use of a distributed radio antenna in a passive wireless sensor system used for environmental parameters to reduce the effective radiated power of the energizing radio transmitter(s).

5. The use of a distributed radio antenna in a passive wireless sensor system used for environmental parameters to reduce the antenna(s) sizes(s) of the reading radio receiver(s).