ES336993A1 - Toy telephone circuit. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Toy telephone circuit, characterized by comprising a switch composed of overlapping sheets, separated by insulating sleeves, the upper or lower of a single blade, while the two intermediate, have two blades forming an angle, the lower blade having a negative connection, ending in the coil of an electromagnet, which is operated by the positive pole of the batteries, operating the telephone bell, having the lower intermediate sheet, two connections, one that goes to the telephone's own handset, and another that ends in one of the two terminals of a plug where a plug is applied to establish the circuit with the other telephone, while the upper intermediate sheet, has a finalized connection in the negative pole of the batteries, and finally the upper sheet, has the connection completed in the handset of the phone itself, being two of the angular blades of the intermediate connections, s superimposed, having the upper one, an angular bend upwards that driven by an external crank, makes contact with the lower one exciting the electromagnet, the other two angular blades, are superimposed on each other and with the upper and lower blades, finding the two lower ones are connected when the receiver is hung, and the higher ones when the latter is unhooked. (Machine-translation by Google Translate, not legally binding)