Radio controlled model aircraft control system

US4206411A · kind A · utility

Assignee

• Grundig E.M.V. · DE

Inventor

• Heinz-Ulrich Meyer · Hamburg, DE

Key dates

• Filing date: Jul 3, 1978
• Grant date: Jun 3, 1980
• Expiry date: Jul 3, 1998

Classification

• Technology area (CPC G): Physics
• CPC primary: G08C25/00
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A method and apparatus are disclosed for the emergency control of model aircraft. The incoming signals to the model are screened and, if missing or outside acceptable limits, the screened signals are replaced with a sequence of preprogrammed emergency signals which control the model into an emergency procedure.