Systems and methods for a SPDT switch or SPMT switch with...

Details Systems and methods for a SPDT switch or SPMT switch with... Systems and methods for a SPDT switch or SPMT switch with...

2009-09-23

2011-10-25

Barnie, Rexford (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Plural switches

C330S051000, C330S188000, C330S190000, C330S195000, C330S197000, C333S101000, C333S103000, C333S105000, C333S253000, C333S262000

Reexamination Certificate

active

08044540

ABSTRACT:
A SPDT or SPMT switch may include a transformer having a primary winding and a secondary winding, where a first end of the secondary winding is connected to a single pole port, where a first end of the primary winding is connected to a first throw port; a first switch having a first end and a second end, where the first end is connected to ground; and a second switch, where a second end of the secondary winding is connected to both a second end of the first switch and a first end of the second switch, where a second end of the second switch is connected to a second throw port, where the first switch controls a first communication path between the single pole port and the first throw port, and where the second switch controls a second communication path between the second throw port and the single pole port.

REFERENCES:
patent: 4247948 (1981-01-01), Okada et al.
patent: 5661434 (1997-08-01), Brozovich et al.
patent: 6801114 (2004-10-01), Yang et al.
patent: 7348841 (2008-03-01), Kim et al.
patent: 2008/0299914 (2008-12-01), Nakajima et al.

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