Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Casas Casadesus jose Maria
Original Assignee
Casas Casadesus jose Maria
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 Casas Casadesus jose MariafiledCriticalCasas Casadesus jose Maria
Priority to ES1975213771UpriorityCriticalpatent/ES213771Y/en
Publication of ES213771UpublicationCriticalpatent/ES213771U/en
Application grantedgrantedCritical
Publication of ES213771YpublicationCriticalpatent/ES213771Y/en
Investigating Or Analysing Materials By The Use Of Chemical Reactions
(AREA)
Abstract
Electronic stethoscope that is essentially characterized by being integrated by a completely transistorized set equipped with a microphone, an amplifier, a meter meter instrument of the heart rate and the listening apparatus, the meter being fed directly by the output of the amplifier through a connected transformer in reverse to normal, the sensitivity of the device being adjustable by a potentiometer. (Machine-translation by Google Translate, not legally binding)
Procedure and apparatus for the control of electronic purgators when defects of different types appear (Machine-translation by Google Translate, not legally binding)