Selected articles for topic: rfid detectors

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US6577238B1 - RFID detection system - Google Patents

A system 100 is disclosed for monitoring the position of one or more RFID tags 201. The system has a detector 301 incorporating circuitry 304 for detecting changes in the range of an RFID tag 201 from the detector and for triggering an alarm 401 if a detected change in range of an RFID tag 201 exceeds a predetermined threshold or if the RFID radio tag cannot be detected by the detector 301. Range...

Website: https://patents.google.com

RFID Detector for 13.56 MHz: Spot RFID tag transmitters ...

RFID Detector for 13.56 MHz: Spot RFID tag transmitters from a distance 2

Project Solutions

RFID Detector for 13.56 MHz: Spot RFID tag transmitters from a distance 2

Published:2011/8/22 22:43:00 Author:Amy From:SeekIC

Gert Baars

A dedicated receiver

The detuning and resonance effects mentioned above take place at relatively small distances from the transmitter , say, two meters or less...

Website: http://www.seekic.com

US9183419B2 - Passive RFID assisted active RFID tag ...

Each item including the passive RFID tag 208 that is carried by the cart returns its EPC data to the passive RFID tag reader 104 when interrogated. The passive RFID tag reader 104 records in its internal memory the EPC data of each passive RFID tag 208 carried by the items on the cart. The passive RFID tag reader 104 may then transmit the received EPC data to the active RFID tag 102. The active...

Website: https://patents.google.com

RC522 RFID Card Reader/Detector Module Kit, 13.56Mhz ...

RC522 RFID Card Reader/Detector Module Kit, 13.56Mhz

Rated 4.75 out of 5 based on 8 customer ratings

Features: 13.56Mhz, S50, Mifare One

RC522 IC Brief Introduction

MF RC522 is used in highly integrated 13.56MHz contactless communication card chip to read and write, of NXP for "three" and the application launched a low voltage, low cost, small...

Website: http://www.electrodragon.com

Schematics.com | RFID Detector

Radio frequency identification (RFID) are widely used nowadays in industries and commercial applications. The RFID tags can be affixed to an object and used to track and manage inventories and even people. To identify tagged objects, an RFID detector is used which is basically a simple analog electronic circuit that detects 13.56 MHz RFID tags.

RFID tags are...

Website: http://www.schematics.com

OpenSecurity Mod 1.12.2/1.10.2 (RFID Cards, Entity ...

OpenSecurity Mod 1.12.2/1.10.2 (RFID Cards, Entity Detectors)

Author: MichiyoRavencroft July 7, 2018 107,571 views

OpenSecurity Mod 1.12.2/1.10.2 adds security oriented components for use with OpenComputers, RFID Cards, MagStrip cards, Alarms and Entity Detectors.

Features:

OSAlarm: Computer or Redstone controlled though right now there is no way to change the alarm sound outside of computer control.

RFID Reader Block: RFID Reader Block you to read RFID Cards in a players inventory

Card Writer: Card Writer, writes RFID, MagCards and EEPROMs.

Mag Card Reader: Reads...

Website: http://www.9minecraft.net

Surveillance Equipment Store: Listening Devices: (Buy/Rent ...

surveillance equipment,hidden cameras,wireless hidden camera,hidden camera,dpl surveillance equipment,wireless hidden cameras,sim reader professional,sim reader,survalence equipment,cell phone detector,rf signal detector,cell phone detector app,rfid locator,surveillance devices,spy ear buds,wireless...

Website: http://www.dpl-surveillance-equipment.com

How to Build an RFID Tag Detector - part 1: theory - YouTube

Part one of a series of five videos in which I demonstrate how it is possible to...

Website: youtube.com

Related topics : rfid tag detector / rfid tag detection / tag rfid / rfid detectors

RFID Card Reader/Detector Module Kit (13.56Mhz, RC522, S50 ...

RFID Card Reader/Detector Module Kit (13.56Mhz, RC522, S50, Mifare One)

Description:

RC522 IC

MF RC522 is used in highly integrated 13.56MHz contactless communication card chip to read and write, of NXP for "three" and the application launched a low voltage, low cost, small size, non-contact card chip to read and write, intelligent instruments and portable handheld devices developed better.

The MF RC522 use of advanced modulation and demodulation concept completely integrated in the 13.56MHz all kinds of passive contactless communication methods and protocols. 14443A compatible transponder...

Website: http://techdelivers.com

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