Patent · US Expired

Electronic roll-a-long switch

US4519052A · kind A · utility

0Cited by
13References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1981
Grant dateMay 21, 1985
Priority date
Expiry dateJun 16, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V1/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electronic roll-a-long switch for use in a seismic exploration system and method of seismic exploration are disclosed. For a group of N sequentially numbered receiver points, N/2 input channels are provided. Each input channel receives input from one of two receiver points which are spaced N/2 receiver points apart. The input channels are multiplexed to a data bus in an order corresponding to the sequential numbers of the receiver points comprising the input channels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.