DE60125874D1 - Akustische Näherungsdetektion für mobiles Endgerät und sonstige Geräte - Google Patents

Akustische Näherungsdetektion für mobiles Endgerät und sonstige Geräte

Info

Publication number
DE60125874D1
DE60125874D1 DE60125874T DE60125874T DE60125874D1 DE 60125874 D1 DE60125874 D1 DE 60125874D1 DE 60125874 T DE60125874 T DE 60125874T DE 60125874 T DE60125874 T DE 60125874T DE 60125874 D1 DE60125874 D1 DE 60125874D1
Authority
DE
Germany
Prior art keywords
devices
mobile device
proximity detection
acoustic proximity
acoustic
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 - Fee Related
Application number
DE60125874T
Other languages
English (en)
Other versions
DE60125874T2 (de
Inventor
Ville Myllyla
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE60125874D1 publication Critical patent/DE60125874D1/de
Application granted granted Critical
Publication of DE60125874T2 publication Critical patent/DE60125874T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/605—Portable telephones adapted for handsfree use involving control of the receiver volume to provide a dual operational mode at close or far distance from the user
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/53—Means for transforming coordinates or for evaluating data, e.g. using computers
    • G01S7/533—Data rate converters
DE60125874T 2000-06-30 2001-06-28 Akustische Näherungsdetektion für mobiles Endgerät und sonstige Geräte Expired - Fee Related DE60125874T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US608090 2000-06-30
US09/608,090 US6542436B1 (en) 2000-06-30 2000-06-30 Acoustical proximity detection for mobile terminals and other devices

Publications (2)

Publication Number Publication Date
DE60125874D1 true DE60125874D1 (de) 2007-02-22
DE60125874T2 DE60125874T2 (de) 2007-10-18

Family

ID=24434985

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60125874T Expired - Fee Related DE60125874T2 (de) 2000-06-30 2001-06-28 Akustische Näherungsdetektion für mobiles Endgerät und sonstige Geräte

Country Status (6)

Country Link
US (1) US6542436B1 (de)
EP (1) EP1174732B1 (de)
JP (1) JP2002111852A (de)
CN (1) CN1197422C (de)
DE (1) DE60125874T2 (de)
HK (1) HK1043467A1 (de)

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Also Published As

Publication number Publication date
EP1174732A3 (de) 2002-12-11
US6542436B1 (en) 2003-04-01
JP2002111852A (ja) 2002-04-12
CN1331552A (zh) 2002-01-16
EP1174732A2 (de) 2002-01-23
EP1174732B1 (de) 2007-01-10
CN1197422C (zh) 2005-04-13
HK1043467A1 (zh) 2002-09-13
DE60125874T2 (de) 2007-10-18

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee