ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,789, issued on Dec. 30, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Quadrature oscillator" was invented by Mohammed Abdulaziz (Lund, Sweden) and Henrik Sjoland (Lund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quadrature oscillator according to the embodiments herein comprising two pairs of main transistors, two pairs of resonators and two pairs of injection transistors. The quadrature oscillator is split into two halves, which are separated in the chip layout. That is the two pairs of resonators are separated from each other, and the two pairs of the main transistors are separated from the resonator they couple...