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U.S. Department of Energy
Office of Scientific and Technical Information

System for remote control of underground device

Patent ·
OSTI ID:4026273
A system is described for remote control of an underground device, particularly a nuclear explosive. The system includes means at the surface of the ground for transmitting a seismic signal sequence through the earth having controlled and predetermined signal characteristics for initiating a selected action in the device. Additional apparatus, located with or adjacent to the underground device, produces electrical signals in response to the seismic signals received and compares these electrical signals with the predetermined signal characteristics.
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-33-025933
Assignee:
to U.S. Energy Research and Development Administration
Patent Number(s):
US 3914732; PAT-APPL-381,632.
OSTI ID:
4026273
Country of Publication:
United States
Language:
English