Optical-electronic microscopy apparatus and process

US4115802A · kind A · utility

Assignee

• Wilhelm Will KG · DE

Inventors

• Klaus Kramer · Landau, DE
• Toni Dietrich · Wetzlar, DE
• Peter Braun · Landsberg am Lech, DE

Key dates

• Filing date: Aug 8, 1975
• Grant date: Sep 19, 1978
• Expiry date: Aug 8, 1995

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04N7/18
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

An apparatus and process for microscopy produces two real images of a specimen using light-optical means. The images have different light qualities and are then amplified electronically and rendered visible as a single image following a difference image method.