Equipment of pertero electrónico and video pertero perfected (Machine-translation by Google Translate, not legally binding)

摘要

Improved electronic door entry and video intercom equipment, essentially characterized by comprising sound amplifiers with double call generator housed in both electronic door entry and video intercom circuits, whose double call generator provides on one side a buzzer sound in the call from the portal of the street for the electronic door opener or video intercom, at the same time that the call in the own telephone from the door of the house, produces a din din as a carillon, distinguishing perfectly both calls. (Machine-translation by Google Translate, not legally binding)