Title:
【発明の名称】各トランスポンダに対応する受信通知を有するトランスポンダシステム
Document Type and Number:
Japanese Patent JP2002520967
Kind Code:
A
Abstract:
During a communication operation in a transponder system, consisting of a write/read station (1) and at least one transponder (2), a selection data block (SDB) is transmitted from the station (1) to at least one transponder (2) and, in response to the received selection data block (SDB), at least one transponder (2) transmits an identification data block (IDB) to the station (1), after which the station (1) transmits, in response to the identification data block (IDB), an acknowledge data block (QDB) to a transponder (2), the bit configuration of the acknowledge data block (QDB) being formed while using only a part (PM1) of the identification data block (IDB) associated with a transponder (2).
Inventors:
Franz, Amtmann
Application Number:
JP2000560535A
Publication Date:
July 09, 2002
Filing Date:
July 07, 1999
Export Citation:
Assignee:
Konin Krekka Philips Electronics NV
International Classes:
G06K7/00; H04B1/59; G06K7/10; (IPC1-7): H04B1/59; G06K7/10
Attorney, Agent or Firm:
Kazuo Sato (3 others)