PatentBrief

Inventor

Richard W Dronsuth

Patents indexed

1

Year range

1975

Associated with

Years active

1975

Total patents

1

Most recent

1975

Frequent collaborator

Martin Cooper

Domains

telecommunicationsconsumer_electronicssoftwaresemiconductors

Activity by decade

1970s
1

Patents

1

Career timeline

1 patents, in 1975

Dot size = forward citations

19751976

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 3906166·1975·Motorola Inc

How Early Cell Phones Handled Calls Across Different Towers

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.

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