ORBIT

ELECTRONIC AND ELECTRO-MECHANICAL EQUIPMENTS FOR THE TELEPHONE INDUSTRY-NAMELY, TELEPHONE DOOR ANSWERING, DOOR OPENING, HOME INTERPHONE, LINE AND RINGER ISOLATION, SATURABLE REACTOR, AMPLIFIER, DETECTOR, OSCILLATOR, TONE RINGER, PAGING AMPLIFIER, HEADSET AND SPEAKERPHONE ADAPTOR, SIGNAL BUZZER APPARATUS