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ESTANY HORTA ROSA
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ESTANY HORTA ROSA
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Application filed by ESTANY HORTA ROSAfiledCriticalESTANY HORTA ROSA
Priority to ES0029033UpriorityCriticalpatent/ES29033Y/en
Publication of ES29033UpublicationCriticalpatent/ES29033U/en
Application grantedgrantedCritical
Publication of ES29033YpublicationCriticalpatent/ES29033Y/en
New loudspeaker telephone player characterized in being formed by a frame or box designed and dimensioned in such a way that on it and in a single position the handset of the usual telephones can be placed, presenting in the place where the upper part is housed or earphone, a sound pickup device that transforms it into a modulated electrical current that, passing through an electronic amplifier, flows into a loudspeaker also installed in the same box or armature. (Machine-translation by Google Translate, not legally binding)
ES0029033U1951-12-031951-12-03
Loud phone player
ExpiredES29033Y
(en)
An electrical system to capture telephone appliance signals and amplified reproductions in speaker without mechanical or electrical connection with said device (Machine-translation by Google Translate, not legally binding)
Perfected electronic device of automatic drive for recording and recording telephone calls. (Machine-translation by Google Translate, not legally binding)