DE69736078D1 - Spreizspektrum-Frequenzsprung lesesystem - Google Patents

Spreizspektrum-Frequenzsprung lesesystem

Info

Publication number
DE69736078D1
DE69736078D1 DE69736078T DE69736078T DE69736078D1 DE 69736078 D1 DE69736078 D1 DE 69736078D1 DE 69736078 T DE69736078 T DE 69736078T DE 69736078 T DE69736078 T DE 69736078T DE 69736078 D1 DE69736078 D1 DE 69736078D1
Authority
DE
Germany
Prior art keywords
spread spectrum
frequency hopping
reading system
spectrum frequency
reading
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
DE69736078T
Other languages
English (en)
Other versions
DE69736078T2 (de
Inventor
M Mays
Siu J Kam
D Fontanarosa
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.)
Amtech Corp
Original Assignee
Amtech 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24491372&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69736078(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Amtech Corp filed Critical Amtech Corp
Publication of DE69736078D1 publication Critical patent/DE69736078D1/de
Application granted granted Critical
Publication of DE69736078T2 publication Critical patent/DE69736078T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
    • 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
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • H04B2001/71365—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform using continuous tuning of a single frequency source
DE69736078T 1996-03-21 1997-03-21 Spreizspektrum-Frequenzsprunglesesystem Expired - Lifetime DE69736078T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/621,724 US5828693A (en) 1996-03-21 1996-03-21 Spread spectrum frequency hopping reader system
US621724 1996-03-21
PCT/US1997/004602 WO1997035391A1 (en) 1996-03-21 1997-03-21 Spread spectrum frequency hopping reader system

Publications (2)

Publication Number Publication Date
DE69736078D1 true DE69736078D1 (de) 2006-07-20
DE69736078T2 DE69736078T2 (de) 2007-01-04

Family

ID=24491372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736078T Expired - Lifetime DE69736078T2 (de) 1996-03-21 1997-03-21 Spreizspektrum-Frequenzsprunglesesystem

Country Status (5)

Country Link
US (1) US5828693A (de)
EP (1) EP1020044B1 (de)
JP (1) JP2000507411A (de)
DE (1) DE69736078T2 (de)
WO (1) WO1997035391A1 (de)

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Also Published As

Publication number Publication date
EP1020044B1 (de) 2006-06-07
DE69736078T2 (de) 2007-01-04
US5828693A (en) 1998-10-27
JP2000507411A (ja) 2000-06-13
WO1997035391A1 (en) 1997-09-25
EP1020044A4 (de) 2000-07-19
EP1020044A1 (de) 2000-07-19

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