SE518418C2 - Ljudbaserad närhetsdetektor - Google Patents

Ljudbaserad närhetsdetektor

Info

Publication number
SE518418C2
SE518418C2 SE0004889A SE0004889A SE518418C2 SE 518418 C2 SE518418 C2 SE 518418C2 SE 0004889 A SE0004889 A SE 0004889A SE 0004889 A SE0004889 A SE 0004889A SE 518418 C2 SE518418 C2 SE 518418C2
Authority
SE
Sweden
Prior art keywords
signal
microphone
telephone
control
control signal
Prior art date
Application number
SE0004889A
Other languages
English (en)
Swedish (sv)
Other versions
SE0004889D0 (sv
SE0004889L (sv
Inventor
Sven Mattisson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0004889A priority Critical patent/SE518418C2/sv
Publication of SE0004889D0 publication Critical patent/SE0004889D0/xx
Priority to JP2002555505A priority patent/JP2004517563A/ja
Priority to EP01272974A priority patent/EP1346552B1/de
Priority to PCT/SE2001/002688 priority patent/WO2002054740A1/en
Priority to AT01272974T priority patent/ATE354910T1/de
Priority to DE60126820T priority patent/DE60126820D1/de
Priority to US10/036,666 priority patent/US6925296B2/en
Publication of SE0004889L publication Critical patent/SE0004889L/
Publication of SE518418C2 publication Critical patent/SE518418C2/sv
Priority to US11/129,828 priority patent/US7263373B2/en

Links

Classifications

    • 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
    • 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
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
SE0004889A 2000-12-28 2000-12-28 Ljudbaserad närhetsdetektor SE518418C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0004889A SE518418C2 (sv) 2000-12-28 2000-12-28 Ljudbaserad närhetsdetektor
JP2002555505A JP2004517563A (ja) 2000-12-28 2001-12-06 移動電話装置の中で使用する音響に基づいた近接度検出器
EP01272974A EP1346552B1 (de) 2000-12-28 2001-12-06 Auf schall basierender näherungsdetektor zur verwendung in einer mobiltelefonvorrichtung
PCT/SE2001/002688 WO2002054740A1 (en) 2000-12-28 2001-12-06 A sound-based proximity detector for use in a mobile telephone apparatus
AT01272974T ATE354910T1 (de) 2000-12-28 2001-12-06 Auf schall basierender näherungsdetektor zur verwendung in einer mobiltelefonvorrichtung
DE60126820T DE60126820D1 (de) 2000-12-28 2001-12-06 Auf schall basierender näherungsdetektor zur verwendung in einer mobiltelefonvorrichtung
US10/036,666 US6925296B2 (en) 2000-12-28 2001-12-21 Sound-based proximity detector
US11/129,828 US7263373B2 (en) 2000-12-28 2005-05-16 Sound-based proximity detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004889A SE518418C2 (sv) 2000-12-28 2000-12-28 Ljudbaserad närhetsdetektor

Publications (3)

Publication Number Publication Date
SE0004889D0 SE0004889D0 (sv) 2000-12-28
SE0004889L SE0004889L (sv) 2002-06-29
SE518418C2 true SE518418C2 (sv) 2002-10-08

Family

ID=20282464

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004889A SE518418C2 (sv) 2000-12-28 2000-12-28 Ljudbaserad närhetsdetektor

Country Status (7)

Country Link
US (2) US6925296B2 (de)
EP (1) EP1346552B1 (de)
JP (1) JP2004517563A (de)
AT (1) ATE354910T1 (de)
DE (1) DE60126820D1 (de)
SE (1) SE518418C2 (de)
WO (1) WO2002054740A1 (de)

Families Citing this family (221)

* Cited by examiner, † Cited by third party
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US7263373B2 (en) 2007-08-28
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US20020086656A1 (en) 2002-07-04
ATE354910T1 (de) 2007-03-15
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JP2004517563A (ja) 2004-06-10
US20050221792A1 (en) 2005-10-06
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