Telephone equipment of private installation and economic type (Machine-translation by Google Translate, not legally binding)

摘要

Telephone device of private installation and of economic type characterized essentially by being transportable to operate with a dry cell of flat or tubular type or in any other way and for being constituted by a receptacle or box that can be made of synthetic resin metal or another suitable material provided with a free lid or with hinged hinges or another system that can be closed with simple light pressure by means of a crochet pin clasp or other similar closing means and inside whose box metal contact lamellae are conveniently arranged to give way to the electric current provided by the dry cell that is housed inside said box; said lamellae may be fastened two at the top and two at the bottom or arranged in any other way that complies with the condition of establishing adequate contact by means of screws and nuts that appear on the outside in the form of terminals or terminals and that are connected to each other and an ordinary type earpiece allows the device to operate by opening or closing the circuit using buttons and levers that actuate the warning buzzer installed on the outside of the cover and also when picking up the earpiece from the hook-appendix that the device has on its bottom. (Machine-translation by Google Translate, not legally binding)