Method and apparatus for continuous marine seismic surveying

申请公布号：US3281767(A)

申请号：US19630287845

申请日期：1963.06.14

申请公布日期：1966.10.25

申请人：

MARINE GEOPHYSICAL SERVICES CORP.

发明人：CRYAR HERBERT B.

分类号：G01V1/38

主分类号：G01V1/38

OUTPUT LOADING DEVICE FOR CABLE VIDEO LINE

SHAFT POSITION-TO-DIGITAL CONVERTER

DEVICE FOR SYNCHRONIZING TIMEBASE GENERATOR

GENERATOR OF VOLTAGE PULSES

DEVICE FOR PROTECTION OF D.C.MOTOR IN MULTIMOTOR DRIVE AGAINST EMERGENCY MODE

DEVICE FOR COLLECTING CONTACTS INTO INSULATORS

METHOD OF FILLING METAL-HALOGEN LAMP FOR PHOTOGRAPHIC EXPOSURE OF PRINTED CIRCUITBORADS

AERIAL SYSTEM

MAGNETIC DEVICE WITH ELECTRIC PULSE CONTROL

DEVICE FOR EXECUTING TRIGONOMETRIC TRANSFORMATIONS

MASS SPECTROMETRIC INSTALLATION

METHOD OF CHECKING MAGNETIC SYSTEM OF ELECTROMAGNETIC DEVICE

DEVICE FOR CHECKING INTERNAL MEMORY

DEVICE FOR CONVERTING DIGITAL SIGNALS IN CASE OF REPRODUCING FROM RECORD MEDIUM

INTERFACE FOR LINKING TERMINALS WITH COMMUNICATION CHANNEL

DEVICE FOR CHECKING LOGICAL UNITS

SIGNATURE ANALYSER

MULTIPLYING DEVICE

DEVICE FOR SEARCHING GIVEN NUMBER

ADAPTIVE SYSTEM FOR CONTROLLING DIESEL INSTALLATIONS OPERATED IN PARALLEL