ES261303A3 - An acoustic mechanism of an intermittent whistle for sirens and speaker horns (Machine-translation by Google Translate, not legally binding)
- Google Patents
An acoustic mechanism of an intermittent whistle for sirens and speaker horns (Machine-translation by Google Translate, not legally binding)
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Jose Artes de Arcos SA
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Jose Artes de Arcos SA
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Priority to ES0261303ApriorityCriticalpatent/ES261303A3/en
Publication of ES261303A3publicationCriticalpatent/ES261303A3/en
An acoustic intermittent whistle mechanism for sirens and signal horns, essentially constituted by a set of gears and eccentric distribution that allows intermittent air to one or the other of two tubes that communicate with these horns, thus obtaining a sound intermittent. (Machine-translation by Google Translate, not legally binding)
ES0261303A1960-09-261960-09-26An acoustic mechanism of an intermittent whistle for sirens and speaker horns (Machine-translation by Google Translate, not legally binding)
ExpiredES261303A3
(en)