DE69631564D1 - Vollduplex moduliertes Rückstrahlungssystem - Google Patents

Vollduplex moduliertes Rückstrahlungssystem

Info

Publication number
DE69631564D1
DE69631564D1 DE69631564T DE69631564T DE69631564D1 DE 69631564 D1 DE69631564 D1 DE 69631564D1 DE 69631564 T DE69631564 T DE 69631564T DE 69631564 T DE69631564 T DE 69631564T DE 69631564 D1 DE69631564 D1 DE 69631564D1
Authority
DE
Germany
Prior art keywords
full duplex
retroreflective system
duplex modulated
modulated retroreflective
modulated
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69631564T
Other languages
English (en)
Other versions
DE69631564T2 (de
Inventor
John Austin Maclellan
Giovanni Vannucci
R Anthony Shober
Gregory Alan Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
AT&T IPM 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 AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69631564D1 publication Critical patent/DE69631564D1/de
Publication of DE69631564T2 publication Critical patent/DE69631564T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69631564T 1995-06-19 1996-06-11 Vollduplex moduliertes Rückstrahlungssystem Expired - Lifetime DE69631564T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US492174 1983-05-06
US08/492,174 US5649296A (en) 1995-06-19 1995-06-19 Full duplex modulated backscatter system

Publications (2)

Publication Number Publication Date
DE69631564D1 true DE69631564D1 (de) 2004-03-25
DE69631564T2 DE69631564T2 (de) 2004-12-16

Family

ID=23955233

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631564T Expired - Lifetime DE69631564T2 (de) 1995-06-19 1996-06-11 Vollduplex moduliertes Rückstrahlungssystem

Country Status (5)

Country Link
US (1) US5649296A (de)
EP (1) EP0750201B1 (de)
JP (1) JP3573388B2 (de)
CA (1) CA2177416C (de)
DE (1) DE69631564T2 (de)

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EP0750201A1 (de) 1996-12-27
CA2177416A1 (en) 1996-12-20
EP0750201B1 (de) 2004-02-18
CA2177416C (en) 2000-04-25
DE69631564T2 (de) 2004-12-16
US5649296A (en) 1997-07-15
JP3573388B2 (ja) 2004-10-06

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