Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
Examiner
active
No affiliations
90° phase shifter and image rejection mixer
Absence reception information device and absence reception...
Access method through radio mobile communication system
Accessory allowing hands-free operation of a cellular telephone
Accessory interface within a multiple channel radio apparatus
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Profile ID: LFUS-PAI-P-708524