ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,272, issued on July 1, was assigned to AT&T Intellectual Property I LP (Atlanta).

"Method and an apparatus for transitioning between optical networks" was invented by Ricky Perry (Cumming, Ga.) and Kent McCammon (Livermore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, receiving a first optical signal from a first optical network via a first port of the wavelength converter, receiving a second optical signal from a second optical network via a second port of the wavelength converter, modulating the first optical signal with the second light signal to generate a third optical signal, ...