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    TIA-1083-2007 Telecommunications T elephone Terminal Equipment Handset Magnetic Measurement Procedures and Performance Requirements《电信 电话终端设备 电话听筒磁性测量程序和性能要求》.pdf

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    TIA-1083-2007 Telecommunications T elephone Terminal Equipment Handset Magnetic Measurement Procedures and Performance Requirements《电信 电话终端设备 电话听筒磁性测量程序和性能要求》.pdf

    1、 TIA STANDARD Telecommunications Telephone Terminal Equipment Handset Magnetic Measurement Procedures and Performance Requirements TIA-1083 March 2007 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance ANSI/TI A

    2、-1083 Approved: March 21, 2007 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE TIA Engineering Standards and Publications are designed to serve the public interest throug

    3、h eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for their particular need. The existence of such Standards and Publications

    4、shall not in any respect preclude any member or non-member of TIA from manufacturing or selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclude their voluntary use by Non-TIA members, either domestically or internati

    5、onally. Standards and Publications are adopted by TIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication.

    6、This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations bef

    7、ore its use. (From Standards Proposal No. 3-0219, formulated under the cognizance of the TIA, TR-41 User Premises Telecommunications Requirements. TR-41.3 Subcommittee on Analog and Digital Wireline Terminals). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology Department

    8、2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to current Catalog of TIA TELECOMMUNICATIONS INDUSTRY ASSOCIATION STANDARDS AND ENGINEERING PUBLICATIONS or call IHS USA and Canada (1-800-525-7052 ) International (303-790-0600) or search online at http:/www.tiaonline.org/standard

    9、s/catalog/ All rights reserved Printed in U.S.A. Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE OF COPYRIGHT This document is copyrighted by the TIA. Reproduction of the

    10、se documents either in hard copy or soft copy (including posting on the web) is prohibited without copyright permission. For copyright permission to reproduce portions of this document, please contact TIA Standards Department or go to the TIA website (www.tiaonline.org) for details on how to request

    11、 permission. Details are located at: http:/www.tiaonline.org/standards/catalog/info.cfm#copyright OR Telecommunications Industry Association Standards (b) there is no assurance that the Document will be approved by any Committee of TIA or any other body in its present or any other form; (c) the Docu

    12、ment may be amended, modified or changed in the standards development or any editing process. The use or practice of contents of this Document may involve the use of intellectual property rights (“IPR”), including pending or issued patents, or copyrights, owned by one or more parties. TIA makes no s

    13、earch or investigation for IPR. When IPR consisting of patents and published pending patent applications are claimed and called to TIAs attention, a statement from the holder thereof is requested, all in accordance with the Manual. TIA takes no position with reference to, and disclaims any obligatio

    14、n to investigate or inquire into, the scope or validity of any claims of IPR. TIA will neither be a party to discussions of any licensing terms or conditions, which are instead left to the parties involved, nor will TIA opine or judge whether proposed licensing terms or conditions are reasonable or

    15、non-discriminatory. TIA does not warrant or represent that procedures or practices suggested or provided in the Manual have been complied with as respects the Document or its contents. If the Document contains one or more Normative References to a document published by another organization (“other S

    16、SO”) engaged in the formulation, development or publication of standards (whether designated as a standard, specification, recommendation or otherwise), whether such reference consists of mandatory, alternate or optional elements (as defined in the TIA Engineering Manual, 4thedition) then (i) TIA di

    17、sclaims any duty or obligation to search or investigate the records of any other SSO for IPR or letters of assurance relating to any such Normative Reference; (ii) TIAs policy of encouragement of voluntary disclosure (see Engineering Manual Section 6.5.1) of Essential Patent(s) and published pending

    18、 patent applications shall apply; and (iii) Information as to claims of IPR in the records or publications of the other SSO shall not constitute identification to TIA of a claim of Essential Patent(s) or published pending patent applications. TIA does not enforce or monitor compliance with the conte

    19、nts of the Document. TIA does not certify, inspect, test or otherwise investigate products, designs or services or any claims of compliance with the contents of the Document. ALL WARRANTIES, EXPRESS OR IMPLIED, ARE DISCLAIMED, INCLUDING WITHOUT LIMITATION, ANY AND ALL WARRANTIES CONCERNING THE ACCUR

    20、ACY OF THE CONTENTS, ITS FITNESS OR APPROPRIATENESS FOR A PARTICULAR PURPOSE OR USE, ITS MERCHANTABILITY AND ITS NONINFRINGEMENT OF ANY THIRD PARTYS INTELLECTUAL PROPERTY RIGHTS. TIA EXPRESSLY DISCLAIMS ANY AND ALL RESPONSIBILITIES FOR THE ACCURACY OF THE CONTENTS AND MAKES NO REPRESENTATIONS OR WAR

    21、RANTIES REGARDING THE CONTENTS COMPLIANCE WITH ANY APPLICABLE STATUTE, RULE OR REGULATION, OR THE SAFETY OR HEALTH EFFECTS OF THE CONTENTS OR ANY PRODUCT OR SERVICE REFERRED TO IN THE DOCUMENT OR PRODUCED OR RENDERED TO COMPLY WITH THE CONTENTS. Copyright Telecommunications Industry Association Prov

    22、ided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA SHALL NOT BE LIABLE FOR ANY AND ALL DAMAGES, DIRECT OR INDIRECT, ARISING FROM OR RELATING TO ANY USE OF THE CONTENTS CONTAINED HEREIN, INCLUDING WITHOUT LIMITATION ANY AND ALL IND

    23、IRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH D

    24、AMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or ne

    25、tworking permitted without license from IHS-,-,-TIA-1083 TABLE OF CONTENTS FOREWORD_ III 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 INTRODUCTION_ V 1. SCOPE_ 1 2. ABBREVIATIONS, ACRONYMS, AND DEFINITIONS _ 2 2.1. ABBREVIATIONS AND ACRONYMS _ 2 2.2. DEFINITIONS_ 2 3. HANDSET

    26、 MAGNETIC PERFORMANCE REQUIREMENTS _ 5 3.1. CATEGORIES OF CRITERIA _ 5 3.2. PERPENDICULAR ORIENTATION _ 5 3.2.1. Requirement _ 5 3.2.2. Method of Measurement_ 5 3.3. TRANSVERSE ORIENTATION _ 10 3.3.1. Requirement _ 10 3.3.2. Method of Measurement_ 10 ANNEX A (NORMATIVE) HALF-BAND INTEGRATOR _ 15 ANN

    27、EX B (INFORMATIVE) BIBLIOGRAPHY _ 16 ANNEX C (INFORMATIVE) CORRELATION DATA_ 17 ANNEX D (INFORMATIVE) CORDLESS PHONE/HEARING AID TELECOIL MODE SIGNAL-TO-NOISE STUDY _ 24 D.1 INTRODUCTION _ 24 D.2 TEST SIGNALS, EQUIPMENT, AND SETUP _ 25 D.3 EXPERIMENTAL PROCEDURE _ 29 D.4 TEST RESULTS _ 31 D.5 CONCLU

    28、SIONS _ 34 D.6 REFERENCES_ 34 D.7 ACKNOWLEDGEMENTS_ 34 i Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1083 Table of Figures Figure 1 Reference and Measurement Planes and

    29、Reference Axis4 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Figure 2 Perpendicular Measurement Position Area (Not to scale).7 Figure 3 Induced Voltage Frequency Response ( -22 dB(A/m).8 Figure 4 Induced Voltage Frequency Response ( -19 dB(A/m).9 Figure 5 Transverse Measurement Pos

    30、ition Area 12 Figure 6 Test Setup 13 Figure 7 Feeding Bridge and Matching Pad Circuit 14 Figure A.1 Half-Band Integrator Response .15 Figure C.1 Correlation of Interference Rating to A-Weighted Noise Level21 Figure C.2 Percentage of Interference Ratings vs A-Weighted Noise Level.22 Figure C.3 Averag

    31、e Score vs. Noise (dB(A/m)23 Figure D.1 ITU-T P.830 Modified IRS Send Characteristics26 Figure D.2 Typical Magnetic Source Frequency Response vs Requirement.27 Figure D.3 Minimum S/N for a “Normal Use” Rating 32 Figure D.4 Signal-to-Noise vs. “Normal Use” S/N Ratios 33 Table of Tables Table 1 Induce

    32、d Voltage Frequency Response Limits ( -22 dB(A/m).8 Table 2 Induced Voltage Frequency Response Limits ( -19 dB(A/m).9 Table A.1 Half-Band Integrator Response.15 Table C.1 Correlation Coefficients 20 Table C.2 Average Score vs. Noise (dB(A/m) .23 Table D.1 Test Stimuli.26 ii Copyright Telecommunicati

    33、ons Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1083 FOREWORD (This foreword is not part of this Standard.) This document is a TIA Telecommunications standard produced by Subcommittee TR-41.3 of Com

    34、mittee TR-41. This standard was developed in accordance with TIA procedural guidelines, and represents the consensus position of the Subcommittee, which served as the formulating group. There are four annexes in this Standard. Annex A is normative and is considered part of this Standard; Annex B, An

    35、nex C and Annex D are informative and are not considered part of this Standard. The TR-41.3 Subcommittee acknowledges the contributions made by the following individuals in the development of this standard. Name Representing James Bress (Chair) AST Technology Labs, Inc Al Baum (Vice-Chair, Editor) U

    36、niden Don McKinnon AST Technology Labs, Inc Stephen Julstrom Etymotic Research Linda Kozma-Spytek Gallaudet University Robert Wegner Panasonic Corporation of North America David Preves Starkey Laboratories Weili Lin Starkey Laboratories Steve Kropp VTech Steve Whitesell VTech The TR-41.3 Subcommitte

    37、e acknowledges the participation by the following individuals in the development of this standard. Name Representing Dave Stenner Advent Instruments Inc. Amaud Vergnol Alcatel USA Don McKinnon AST Technology Labs, Inc. James Bress AST Technology Labs, Inc. Joanne McMillen Avaya Joachim Pomy Avaya Ki

    38、rit Patel Cisco Tim Lawler Cisco Harry Van Zandt ECS Technologies Stephen Julstrom Etymotic Research iii Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1083 Martin Perrine

    39、FCC Judy Harkins Gallaudet University Linda Kozma-Spytek Gallaudet University Gunnar Rasmussen GRAS Ed Terrell GRAS Brenda Battat HLAA Matthew Mulvihill Industry Canada Christina Gallagher Industry Canada Neil King Infineon Ken Macdonald Microtronix Greg Slingerland Mitel Networks Roger Britt Nortel

    40、 Robert Wegner Panasonic Steve Fujimoto Panasonic Tony Jasionowski Panasonic Allen Woo Plantronics Steve Graham Plantronics Amar Ray Embarq David Preves Starkey Laboratories Weili Lin Starkey Laboratories Steve Hanke Starkey Laboratories Roger Hunt Thomson Inc. Al Baum Uniden Steve Kropp VTech Steve

    41、 Whitesell VTech Trone Bishop Verizon Jim Smith Wyle Labs Suggestions for improvement of this standard are welcome. They should be sent to: Telecommunications Industry Association Engineering Department Suite 300 250 Wilson Boulevard Arlington, VA 22201 ( http:/www.tiaonline.org ) iv Copyright Telec

    42、ommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-1083 INTRODUCTION In 2004, telephone manufacturers began to receive customer complaints regarding hearing aid interference problems with dig

    43、ital cordless telephones. At its August 2004 meeting, TIA TR41.3 sub-committee discussed a Gallaudet University presentation on the subject and possible causes for the reported interference. The consensus belief was that, due to the low RF power levels used by cordless phones, the source of the repo

    44、rted interference was possibly magnetic. Further work towards confirming this belief and developing a testing method to characterize the magnetic interference was conducted during the remainder of 2004 and first half of 2005. This effort culminated with round robin tests being made on a number of cordless telephones by three different laboratories and then correlated with the subjective test results from a study conducted by Gallaudet University during the 2005 Convention of Self Help for Hard of Hearing People (SHHH) as documented in A


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