Telecommunication device holster having a retractable earpiece assembly integrated with the holster

作者: Michael L. Charlier , Tom Gitzinger

DOI:

关键词: Cellular telephoneEngineeringTransducerCoil springMicrophoneElectrical engineeringTelecommunications

摘要: A holster ( 10 ) for a telecommunication device 12 ), such as cellular telephone or wireless telephone, includes housing 14 adapted to removably support the ). The also an earpiece assembly 52 including at least one transducer, earbud 53 microphone 54 and cord 56 depending from transducer 53, is extendable retractable relative further extension/retraction 32 having spool 34 taking up portion of when retracted coil spring 35 rotate can electrically couple

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Richard Louh, Multi-function car phone holder ,(2001)
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Seung Kil Kim, Michael Slayton, James D. MacDonald, Hands-free headset with stowable stereo earpiece ,(1999)
Tonny Chen, Earphone/microphone assembly ,(1997)
Warren L. Willard, Telephone cord reel ,(1993)