Optical pantograph

US3936942A · kind A · utility

Assignee

• The United States of America as represented by the National Aeronautics and Space Administration Office of General Counsel-Code GP · US

Inventors

• Robert R. Belew · Huntsville, US
• Donald E. Davis · Wappingers Falls, US

Key dates

• Filing date: Dec 11, 1974
• Grant date: Feb 10, 1976
• Expiry date: Dec 11, 1994

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/40
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

An optical pantograph for directing light beams and the like from a source to a receiver according to the movement of a pointer. The device can be used for, among other things, directing a laser beam and the like to a target for etching patterns on a target according to the movement of a pointer relative to a pattern trace.