H04B2201/71638 - CPC Classification Index

ClassID:

224109 ⎘

H04B2201/71638 - CPC Classification

Classification description:

Indexing scheme relating to details of transmission systems not covered by a single group of - ; Orthogonal indexing scheme relating to spread spectrum techniques in general; Orthogonal indexing scheme relating to impulse radio Spectrum issues

Recent Application in this class:

20210344377

2021-11-04

Electronic device and method for supporting heterogeneous communication techniques sharing frequency band

20180241596

2018-08-23

Method and apparatus for spectrum spreading of a pulse-density modulated waveform

20180145722

2018-05-24

Ultra-wideband communication system

20170338983

2017-11-23

Method and apparatus for spectrum spreading of a pulse-density modulated waveform

20160330053

2016-11-10

Method and apparatus for spectrum spreading of a pulse-density modulated waveform

20150295619

2015-10-15

Method and apparatus for spectrum spreading of a pulse-density modulated waveform

15720544

2020-06-02

Ultra wide-band spectrum sharing and synchronization