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:
Jan. 03, 1978
Filed:
Oct. 09, 1975
Paul L Buller, Ponca City, OK (US);
William L Chapman, Ponca City, OK (US);
Bobby J Thomas, Ponca City, OK (US);
James C Fowler, Ponca City, OK (US);
Abstract
A surveillance system for maintaining continuous vigil as to seismic energy generating disturbances in and around an underground mine, such system being one of permanent installation which in combination with central data processing apparatus provides a continuous data output indication of certain mine activities. The system utilizes a plurality of permanently installed, underground geophone sensors each in communication via particular ACC circuitry and signal processing circuitry to provide input through an interface logic network to a central computer equipment programmed to determine disturbance locations, certain intensities, time duration and the like.