Data carrier comprising memory means for storing information...

Details Data carrier comprising memory means for storing information... Data carrier comprising memory means for storing information...

2005-11-01

2005-11-01

Peugh, Brian R. (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C340S010100, C340S572300, C235S436000, C235S375000

Reexamination Certificate

active

06961829

ABSTRACT:
A data carrier (2) or an integrated circuit (41) for a data carrier (2) comprises a memory (54) which is designed to store intermediate operating state information (ZS, CI16, CI20, BRS) significant for an intermediate operating state of the data carrier (2) or the integrated circuit (41) and comprises a memory control device (51), which after the occurrence of information significant for intermediate operating states ensures that this intermediate operating state information is stored in the memory (54) and comprises a control device (51), which—after the detection of the non-existence of the supply voltage (V) required for faultless operation during execution of a communication sequence interrupted by this non-existence and the subsequent detection of the re-existence of the supply voltage (V)—ensure that the data carrier (2) or the integrated circuit (41) is controlled in an intermediate operating state for which intermediate operating state information (ZS, CI16, CI20, BRS) stored in the memory (54) is significant.

REFERENCES:
patent: 5485154 (1996-01-01), Brooks et al.
patent: 5539394 (1996-07-01), Cato et al.
patent: 5966082 (1999-10-01), Cofino et al.
patent: 6097292 (2000-08-01), Kelly et al.
patent: 2002/0186789 (2002-12-01), Preishuber-Pfluegl
patent: 0973127 (1999-07-01), None
“ISO/IEC 18000-3-1: Automated Identification—Radio Frequency Identification for Item Management—Communications and Interfaces—Part 3: Physical Layer, Anti collision System and Protocol Values at 13:56 MHz mode 1”, © ISO 1999, p. i-99.
ISO/IEC 18000-3-5 of Mar. 1, 2002 with reference No. ISO/WD 18000-3-v40-5.

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