Title:
SYSTEM AND METHOD FOR SELECTING GROUP OF RADIO-FREQUENCY TAGS
Document Type and Number:
Japanese Patent JP3017994
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To rapidly determine which tag can satisfy a predetermined standard by shifting a tag in a tag group from an operable condition into a selected condition.
SOLUTION: A microprocessor 110 at a base station 105 carries out algorithm 115 so as to transmit a group selecting command 410 to a tag antenna 162 for tags 162 in a tag group 150 through components including a radio- frequency(RF) front end 120 to RF antenna 125, with the use of an RF signal 130. A control circuit 166 having a received the command 140 through the RF front end 164 carries out algorithm 170 shifts a tag in which data satisfying a selecting condition 505 in the command 410 is stored in memory 168, into a selected condition from a group 150 in an operable condition. Thereby it is possible to determine which tag satisfies a predetermined standard.
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| WO/2018/074961 | ENHANCED POSITIONING METHOD SUITABLE FOR LOW FREQUENCIES |
| JPS5518964 | RADAR BEACON |
Inventors:
Christian Lentz Caesar
Shun Es Chang
Thomas Anthony Cofino
Kenneth Allen Goldman
Sharon El Grain
Harley Kent Heinrich
Kevin Patrick McAuriffe
Shun Es Chang
Thomas Anthony Cofino
Kenneth Allen Goldman
Sharon El Grain
Harley Kent Heinrich
Kevin Patrick McAuriffe
Application Number:
JP20879095A
Publication Date:
March 13, 2000
Filing Date:
August 16, 1995
Export Citation:
Assignee:
Intermec IP Corporation
International Classes:
G01S13/76; G01S13/79; G06K7/00; G01S13/75; G07C3/00; G07C9/00; H04B1/59; G06K17/00; (IPC1-7): G01S13/75; G01S13/76; G01S13/79; H04B1/59
Domestic Patent References:
| JP5273338A | ||||
| JP5197728A | ||||
| JP587916A | ||||
| JP5209959A |
Other References:
【文献】国際公開93/23767(WO,A1)
【文献】欧州特許出願公開285419(EP,A2)
【文献】欧州特許出願公開285419(EP,A2)
Attorney, Agent or Firm:
Yoshiro Yamamoto