TW200709064A - Communication station device, communication method and communication station device system - Google Patents

Communication station device, communication method and communication station device system

Info

Publication number
TW200709064A
TW200709064A TW094131062A TW94131062A TW200709064A TW 200709064 A TW200709064 A TW 200709064A TW 094131062 A TW094131062 A TW 094131062A TW 94131062 A TW94131062 A TW 94131062A TW 200709064 A TW200709064 A TW 200709064A
Authority
TW
Taiwan
Prior art keywords
communication
reader writer
time
station device
interrupt
Prior art date
Application number
TW094131062A
Other languages
Chinese (zh)
Inventor
Takehiro Itoh
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of TW200709064A publication Critical patent/TW200709064A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot

Abstract

In a communication station device system, an interrupt permit time (intermission time) for discontinuing the communication during the communication of a reader writer device 100b is provided. When a predetermined waiting time has been elapsed after a vacant channel was detected, and when another vacant channel is detected thereafter, the reader writer device 100a, 100c starts the transmission of signals. The waiting time of the reader writer 100a having a higher priority order is shorter than the intermission time of reader writer 100b, and therefore the reader writer device 100a can interrupt to perform a communication. In contrast, the waiting time of the reader writer 100c having a lower priority order is longer than the intermission time of the reader writer 100b and therefore unable to interrupt to perform communication. By this arrangement, when reader writer devices of different systems are disposed close to each other, a missing of reading of a tag because of absence of available communication channel can be prevented from happening while an interference of wave is suppressed.
TW094131062A 2005-08-31 2005-09-09 Communication station device, communication method and communication station device system TW200709064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/015849 WO2007026412A1 (en) 2005-08-31 2005-08-31 Communication station device, communication method, and communication station device system

Publications (1)

Publication Number Publication Date
TW200709064A true TW200709064A (en) 2007-03-01

Family

ID=37808516

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094131062A TW200709064A (en) 2005-08-31 2005-09-09 Communication station device, communication method and communication station device system

Country Status (3)

Country Link
JP (1) JP4252612B2 (en)
TW (1) TW200709064A (en)
WO (1) WO2007026412A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5022972B2 (en) * 2008-04-01 2012-09-12 株式会社日立製作所 External communication apparatus and centralized control apparatus for performing wireless communication with information recording medium
JP4520516B2 (en) 2008-04-03 2010-08-04 東芝テック株式会社 Wireless communication system
JP5048577B2 (en) * 2008-04-17 2012-10-17 パナソニック株式会社 Monitoring system, tag device, sensor device, and communication method
JP5209407B2 (en) * 2008-08-11 2013-06-12 オリンパスイメージング株式会社 Information communication equipment
JP4747221B2 (en) * 2010-05-19 2011-08-17 東芝テック株式会社 Wireless communication device
JP5457406B2 (en) * 2011-07-29 2014-04-02 東芝テック株式会社 Interrogator device, communication method and communication program
KR101619851B1 (en) * 2013-03-12 2016-05-12 인텔 코포레이션 Coexistence between nfc and wct
JP5716813B2 (en) * 2013-11-22 2015-05-13 凸版印刷株式会社 Information processing device
JP7021654B2 (en) * 2019-03-14 2022-02-17 オムロン株式会社 Communication system and communication method of communication system
JP7478550B2 (en) * 2020-02-25 2024-05-07 東芝テック株式会社 leader
JP2021135572A (en) 2020-02-25 2021-09-13 東芝テック株式会社 System, information processing device, and program

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03268534A (en) * 1990-03-16 1991-11-29 Fujitsu Ltd Transmission priority classifying system for csma/cd type network
JPH05130053A (en) * 1991-10-31 1993-05-25 Masao Nakagawa Radio transmitter
JPH10293824A (en) * 1997-04-18 1998-11-04 Omron Corp Identification system and data reading device

Also Published As

Publication number Publication date
JPWO2007026412A1 (en) 2009-03-26
WO2007026412A1 (en) 2007-03-08
JP4252612B2 (en) 2009-04-08

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