Digital output telemetering system for recording seismic signals

Patent · Tue Apr 10 04:00:00 EST 1984

OSTI ID:6593114

Meer, V V; Lapshin, B G; Nesterov, V I

The digital output telemetering system for recording seismic signals comprises, according to the invention, a seismic channels commutator connected to an instantaneous automatic gain controller whose outputs are connected to an input of an analog memory and to inputs of a decoder. The latter has its two other inputs connected to a trigger output and a calibration output, respectively, of a unit for controlling a digital-analog converter. Outputs of the decoder are respectively connected to an input of an AND gate, a reset input of a counter and a second, control, input of the analog memory whose output is connected to an analog-digital converter. The latter has its output connected to an input of a receiving register whose other inputs are respectively connected to an output of a single-digit counter and an input of the decoder. The instantaneous automatic gain controller comprises two single-digit memories connected to a second input of the analog memory and to a second input of the decoder, respectively. The analog-digital converter comprises an OR gate whose output is connected to a digital input of the digital-analog converter, which serves as the calibration input. The input of the OR gate is connected to a respective output of the register.

• Assignee: Ryazansky Radiotekhnichesky Institut
• Patent Number(s): US 4442511
• OSTI ID: 6593114
• Country of Publication: United States
• Language: English

Related Subjects

58 GEOSCIENCES
580201* -- Geophysics-- Seismology & Tectonics-- (1980-1989)
ANALOG-TO-DIGITAL CONVERTERS
COMMUNICATIONS
COMMUTATORS
CONTROL EQUIPMENT
DATA TRANSMISSION
DESIGN
DETECTION
DIGITAL FILTERS
DIGITAL-TO-ANALOG CONVERTERS
ELECTRIC CONTROLLERS
ELECTRONIC EQUIPMENT
EQUIPMENT
GEOPHYSICAL SURVEYS
MATHEMATICAL OPERATORS
MEASURING INSTRUMENTS
QUANTUM OPERATORS
RECORDING SYSTEMS
SEISMIC ARRAYS
SEISMIC DETECTION
SEISMIC DETECTORS
SEISMIC SURVEYS
SEISMIC WAVES
SEISMOGRAPHS
SURVEYS
TELEMETRY