Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04K 1/06

by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Introduced: September 1968

Full Title

Secret communication > by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

No child classifications to compare. This is a leaf node in both IPC and CPC.