DE60214102T2 - System und Verfahren zur Verminderung von SAR-Werten - Google Patents

System und Verfahren zur Verminderung von SAR-Werten Download PDF

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Publication number
DE60214102T2
DE60214102T2 DE60214102T DE60214102T DE60214102T2 DE 60214102 T2 DE60214102 T2 DE 60214102T2 DE 60214102 T DE60214102 T DE 60214102T DE 60214102 T DE60214102 T DE 60214102T DE 60214102 T2 DE60214102 T2 DE 60214102T2
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DE
Germany
Prior art keywords
communication device
mobile communication
antenna
human body
radio frequency
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
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DE60214102T
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German (de)
English (en)
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DE60214102D1 (de
Inventor
Peter San Diego Nevermann
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Siemens AG
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Siemens Communications Inc
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Publication of DE60214102D1 publication Critical patent/DE60214102D1/de
Publication of DE60214102T2 publication Critical patent/DE60214102T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Transmitters (AREA)
DE60214102T 2001-09-28 2002-09-23 System und Verfahren zur Verminderung von SAR-Werten Expired - Lifetime DE60214102T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/967,776 US7146139B2 (en) 2001-09-28 2001-09-28 System and method for reducing SAR values
US967776 2001-09-28

Publications (2)

Publication Number Publication Date
DE60214102D1 DE60214102D1 (de) 2006-10-05
DE60214102T2 true DE60214102T2 (de) 2007-02-15

Family

ID=25513301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60214102T Expired - Lifetime DE60214102T2 (de) 2001-09-28 2002-09-23 System und Verfahren zur Verminderung von SAR-Werten

Country Status (4)

Country Link
US (1) US7146139B2 (enExample)
EP (1) EP1298809B1 (enExample)
JP (1) JP4227386B2 (enExample)
DE (1) DE60214102T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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