ES201542A1 - New electronic system for receiving certain acoustic signals, triple notice (Machine-translation by Google Translate, not legally binding)
- Google Patents
New electronic system for receiving certain acoustic signals, triple notice (Machine-translation by Google Translate, not legally binding)
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New electronic system for capturing acoustic signals determined by triple warning, characterized in that it consists of an electrodynamic microphone covered with insulating material provided with a receiving horn with curved constitution to make it impossible to pass and accumulate residual materials. (Machine-translation by Google Translate, not legally binding)
ES201542A1952-01-211952-01-21New electronic system for receiving certain acoustic signals, triple notice (Machine-translation by Google Translate, not legally binding)
ExpiredES201542A1
(en)