The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2017
Filed:
Dec. 15, 2015
Applicant:
Sercel, Carquefou, FR;
Inventor:
Emmanuel Senechal, Vaugrigneuse, FR;
Assignee:
SERCEL, Carquefou, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/32 (2006.01); H03M 1/12 (2006.01); G01V 1/24 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
G01V 1/32 (2013.01); G01V 1/24 (2013.01); H03K 5/00006 (2013.01); H03M 1/12 (2013.01); G01V 2200/12 (2013.01);
Abstract
A system and method for adjusting a clock signal of a seismic data acquisition system. The system includes a data acquisition device having an oscillator that generates a clock signal; a clock adjustment module that receives a time reference signal and the clock signal and outputs an adjusted clock signal; and an analog-to-digital convertor configured to transform analog data into digital data having a sampling rate (F). A sampling frequency (f) of the analog-to-digital convertor is selected to be at least twice the sampling rate (F).