Electronic roll-a-long switch
US4519052A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1981 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Jun 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.