CH607058A5CH1283775ACH1283775ACH607058A5CH 607058 A5CH607058 A5CH 607058A5CH 1283775 ACH1283775 ACH 1283775ACH 1283775 ACH1283775 ACH 1283775ACH 607058 A5CH607058 A5CH 607058A5
Authority
CH
Switzerland
Application number
CH1283775A
Inventor
Eike Dr Rietsch
Original Assignee
Texaco Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texaco AgfiledCriticalTexaco Ag
Publication of CH607058A5publicationCriticalpatent/CH607058A5/xx
Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration