Patent ID: 6204740
Filing Date: 2001-03-20
Classification: H01H

Abstract:
A coaxial relay for switching high frequency signals, said relay comprising:a contact block made of an electrically conductive metal and having a top surface and a shield chamber, said contact block carrying a plurality of coaxial connector each composed of a core conductor and a shield conductor surrounding the core conductor, said coaxial connectors being arranged such that said core conductors extend into said shield chamber to define thereat respective coaxial contacts, said contact block including at least one movable blade which is disposed in said shield chamber for closing and opening two adjacent coaxial contacts, said movable blade being provided with a dielectric actuator which projects on the top surface of said contact block and which is engaged with a return spring secured to the contact block for urging the movable blade in a direction of opening the coaxial contacts;an electromagnet block separately formed form said contact block and being assembled to said contact block, said electromagnet block carrying at least one electromagnet and an armature, said electromagnet being composed of a core and a coil wounded therearound, said armature being engageable with said actuator when said electromagnet block is assembled to said contact block, said armature responsive to excitation of said coil to move about a pivot axis from a first position of opening said coaxial contacts to a second position of closing the same,wherein said electromagnet block further includes a frame made of a nonmagnetic material for holding said electromagnet, said frame having a retainer mechanism for pivotally supporting said armature and having its one end secured to said contact block.