173214 ⎘
Seismology; Seismic or acoustic prospecting or detecting; Generating seismic energy; Details Ignition devices
Sub-classes:METHODS AND APPARATUS FOR CONFIRMATION TIME BREAK (CTB) DETERMINATION AND SHOTPOINT IN-SITU RECORDING IN SEISMIC ELECTRONIC DETONATORS
#2METHOD AND APPARATUS FOR GENERATING SEISMIC PULSES TO MAP SUBTERRANEAN FRACTURES
#3Method and apparatus for confirmation time break (CTB) determination and shotpoint in-situ recording in seismic electronic detonators
#4Wireless communication for downhole tool strings
#5Method of seismic source synchronization
#6Solid state seismic trigger switch
#7Reliable broadcast delivery of communications in land-based seismic surveying
#8Method and system for reducing the loss caused by an earthquake
#9Dilithium crystal trigger module - solid state
#10Methods and apparatus of source control for sequential firing of staggered air gun arrays in borehole seismic