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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0014540UpriorityCriticalpatent/ES14540Y/en
Publication of ES14540UpublicationCriticalpatent/ES14540U/en
Application grantedgrantedCritical
Publication of ES14540YpublicationCriticalpatent/ES14540Y/en
Supplementary headset, characterized by being constituted by a piece or helmet of suitable shape and size for its adaptation to the handset of the telephone, which is held by pins or springs conveniently arranged; whose hull is traversed from part to part by several holes, which allow the sound of the telephone handset to pass through, and by another greater drill that joins the radial housing of the end of a flexible tube that, at its other end, allows to perceive the sounds of the telephone headset. (Machine-translation by Google Translate, not legally binding)
Improvements in telephones provided with microphone capsule and headset with a piezo-electric crystal (Machine-translation by Google Translate, not legally binding)