https://patentbrief.org/company/motorola-inc Plain-English explanations of patents assigned to Motorola Inc, newest first. en-us Sat, 13 Jun 2026 10:10:38 GMT https://patentbrief.org/patent/us/3906166/cellular-mobile-phone-radio-telephone This patent describes a system for early portable phones to automatically find the strongest signal from a base station and switch channels as the user moves, reducing battery drain and interference. Tue, 16 Sep 1975 00:00:00 GMT https://patentbrief.org/patent/us/3906166/cellular-mobile-phone-radio-telephone