|
On this page, you can select 「MainGroup」 or 「Facet」 in H04K. |
HB:Handbook | ||||
|
Select the desired 「MainGroup」 or 「facet」 etc. |
CC:Concordance | ||||
|
|
Secret communication (ciphering or deciphering apparatus per se; systems with reduced bandwidth or suppressed carrier H04B 1/66; spread spectrum techniquesH04B 1/69; by using a sub-carrier H04B 14/08; by multiplexing H04J; transmission systems for secret digital information H04L 9/00; secret or subscription television systems H04N 7/16, H04N 21/00) | HB | CC | 5J104 | |
|
|
Jamming of communication; Counter-measures (counter-measures used in radar or analogous systems G01S 7/00) | HB | CC | 5J104 | |