WO2002048837A3 - System and method for device co-location discrimination - Google Patents

System and method for device co-location discrimination Download PDF

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Publication number
WO2002048837A3
WO2002048837A3 PCT/US2001/048519 US0148519W WO0248837A3 WO 2002048837 A3 WO2002048837 A3 WO 2002048837A3 US 0148519 W US0148519 W US 0148519W WO 0248837 A3 WO0248837 A3 WO 0248837A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
devices
receiving
location discrimination
discrimination
Prior art date
Application number
PCT/US2001/048519
Other languages
French (fr)
Other versions
WO2002048837A2 (en
Inventor
Jeffrey Rodman
Gil Pearson
Original Assignee
Polycom Inc
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 Polycom Inc filed Critical Polycom Inc
Priority to EP01991141A priority Critical patent/EP1350153B1/en
Priority to AU2002230887A priority patent/AU2002230887A1/en
Publication of WO2002048837A2 publication Critical patent/WO2002048837A2/en
Publication of WO2002048837A3 publication Critical patent/WO2002048837A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2242/00—Special services or facilities
    • H04M2242/30—Determination of the location of a subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants

Abstract

A system and method for determining if a first and second device (102,104) are co-located includes first and second sensors (202,214) for receiving a sample signal. Each sensor is coupled to the first and second devices (102,104). The first and second devices (102,104) each responsively generate a first and second signal representing the sampled signal. Also included is a transmission device (208) located at the first device (102) for transmitting the first signal to the second device (104) and a receiving device (218) located at the second device (104) for receiving the first signal from the first device (102). Finally, a signal analysis device (206) determines if the first and second devices (102,104) are co-located.
PCT/US2001/048519 2000-12-15 2001-12-14 System and method for device co-location discrimination WO2002048837A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01991141A EP1350153B1 (en) 2000-12-15 2001-12-14 System and method for device co-location discrimination
AU2002230887A AU2002230887A1 (en) 2000-12-15 2001-12-14 System and method for device co-location discrimination

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25581300P 2000-12-15 2000-12-15
US60/255,813 2000-12-15

Publications (2)

Publication Number Publication Date
WO2002048837A2 WO2002048837A2 (en) 2002-06-20
WO2002048837A3 true WO2002048837A3 (en) 2003-04-24

Family

ID=22969975

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048519 WO2002048837A2 (en) 2000-12-15 2001-12-14 System and method for device co-location discrimination

Country Status (4)

Country Link
US (2) US6959260B2 (en)
EP (1) EP1350153B1 (en)
AU (1) AU2002230887A1 (en)
WO (1) WO2002048837A2 (en)

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Also Published As

Publication number Publication date
US7171329B2 (en) 2007-01-30
US20060018285A1 (en) 2006-01-26
EP1350153A2 (en) 2003-10-08
WO2002048837A2 (en) 2002-06-20
AU2002230887A1 (en) 2002-06-24
US6959260B2 (en) 2005-10-25
US20020101918A1 (en) 2002-08-01
EP1350153B1 (en) 2012-07-11
EP1350153A4 (en) 2009-08-12

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