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Secret communication system
Secret communication system
Item
http://www.wikidata.org/entity/Q42947171
Q42947171
about
Secret communication system
Item
http://www.wikidata.org/entity/Q42947171
description
US patent from 1942
@en
name
Secret communication system
@en
type
Item
label
Secret communication system
@en
prefLabel
Secret communication system
@en
P1246
Q42947171-e9c0f517-4c3c-c09e-7e09-ae2e168efbae
P1476
Q42947171-fedc5771-4fe7-f7d1-2868-8d8a67ed817d
P31
Q42947171-b30c2022-4e71-7aab-68d5-e43fd8a8fe18
P50
Q42947171-5091C193-AD23-43DE-8A37-8591C791E836
Q42947171-aa470573-4b8d-75ca-ca6c-5b5dcf624029
P577
Q42947171-2539b0c3-4906-0302-2dfb-fdd54f40d3d9
P921
Q42947171-54758fa3-4240-6118-efba-dd0b24053404
Q42947171-609a946b-42e8-d50d-5d54-9c46e20488b7
Q42947171-8e77dcb7-4c5d-3081-2bd1-f207c5b90c3d
Q42947171-abbdce49-40f7-e9c0-03e9-302edd049338
P1246
US2292387
http://www.w3.org/2001/XMLSchema#string
P1476
Secret communication system
@en
P31
patent
P50
George Antheil
Hedy Lamarr
P577
1942-08-11T00:00:00Z
http://www.w3.org/2001/XMLSchema#dateTime
P921
communication
Frequency-hopping spread spectrum
torpedo
radio frequency