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Dedo Weigert (* 5th November 1938 in Wrocław ; † 30th November 2025 in Munich) was a German Cinematographer, inventor and entrepreneur. He is best known for introducing a family of precision focus lighting instruments called the Dedolight, widely used in film, television, photography, museums, and architectural applications.
Life
editBorn in 1938 in Wrocław, Weigert was the son of Hans Weigert, a university professor of art history, and Cornelie Weigert, a painter originally from Obermeier.
Dedo Weigert attended a humanistic secondary school, where he studied Latin and Ancient Greek. He later studied drama, psychology, and German literature at the University of Munich. During his studies, he supported himself through various jobs, including night-shift work in a factory and employment as a truck driver.
In 1965 Weigert established Dedo Weigert Film GmbH film production company. In 1985 he founded Dedotec Mechanical & Optronic Systems GmbH, through which he developed lighting technologies recognised for their optical efficiency and beam control. The Dedolight system, distinguished by its dual-lens optical design enabling focusable light output while maintaining efficiency and thereby introducing the concept of "Clean Beam" in the 1980s.
In the 2000s Series 400 was introduced with a patented Triple Zoom Focus mechanism and patented Double Aspheric optical technology, designed to increase light output, extend the focusing range, and improve the uniformity of light intensity and color distribution.
Innovations and Patents
edit- 1961 - built teleprompters
- 1966 - exhibited at Photokina the first European-made fluid head
- 1982 - Pipe Testing Device [1]
- 1983 - Film Transport Device [2] [3]
- 1987 - Miniature spotlight with extremely variable exit angle and constant even field of illumination [4]
- 1992 - Lamp with and Adjustable Grid Device [5]
- 1993 - Barndoor for One Lamp [6]
- 1994 - Luminaire for even illuminance distribution [7]
- 1995 - Lighting device with a wide-angle light distribution [8]
- 1995 - Illuminating Apparatus [9]
- 1997 - Asymmetrical Lamp [10]
- 1997 - Spotlight with variable illumination output angle [11]
- 1997 - Headlights with a variable beam angle [12]
- 1999 - Headlights with variable beam angle and with aspherical front lens[13]
- 1999 - Optical projector system of lamp and reflector includes negative divergent lens between focus and reflector plus heat radiation reflector plate or foil between two lenses [14]
- 2000 - Focusable headlight with negative lens [15]
- 2005 - LED device with a variable beam spreading angle [16]
- 2013 - Lighting device with asymmetric radiation [17]
- 2021 - Shielding flag device for combination with a reflector device, and stand adapter as coupling device for same [18]
Awards and Recognition
edit- 1990 - received Academy Award for Technical Achievement#1971–1990 "for the development of the Dedolight, a miniaturized low-voltage halogen lamp"
- 2002 - cinecAward under the category Lighting
- 2003 - Emmy Award for Engineering, Science & Technology for the Series 400
- 2003 - Weigert along with Depu Chin and Franz Petters received an Academy Scientific and Engineering Award for the development of the Dedolight 400D lighting system (in German )
Cinematographer
editProduction Assistant
editCitations
edit- ↑ DE3229441A1, Hubry, Frederick de; Knon, Günther 8050 Freising & Weigert, Dedo 8000 München, "Rohrpruefgeraet", issued 1984-02-09
- ↑ DE3330264C1, Weigert, Dedo 8000 München, "Filmtransporteinrichtung", issued 1985-03-14
- ↑ US4702577A, Weigert, Dedo, "Film transport device", issued 1987-10-27
- ↑ US4823243A, Weigert, Dedo, "Miniature spotlight with extremely variable exit angle and constant even field of illumination", issued 1989-04-18
- ↑ DE4215382C1, Weigert, Dedo, "Leuchte mit einer verstellbaren rastervorrichtung", issued 1993-11-04
- ↑ DE4300056C2, Weigert, Dedo Arndt, "Torblende für eine Leuchte", issued 1998-07-16
- ↑ DE4413111C2, Weigert, Dedo, "Leuchte für eine gleichmäßige Beleuchtungsstärkeverteilung", issued 2003-03-20
- ↑ DE19631740C2, Weigert, Dedo Arndt, "Beleuchtungsvorrichtung mit einer breitstrahlenden Lichtstärkeverteilung", issued 1999-04-22
- ↑ US5954415A, Weigert, Dedo Arndt, "Illuminating apparatus", issued 1999-09-21
- ↑ US5795057A, Weigert, Dedo, "Asymmetrical lamp", issued 1998-08-18
- ↑ EP0846913B1, Weigert, Dedo Arndt, "Scheinwerfer mit veränderlichem Abstrahlwinkel", issued 2004-07-07
- ↑ DE59711764D1, Weigert, Dedo Arndt, "Scheinwerfer mit veränderlichem Abstrahlwinkel", issued 2004-08-12
- ↑ DE19901391A1, Weigert, Dedo, "Scheinwerfer mit veränderlichem Abstrahlwinkel und mit asphärischer Frontlinse", issued 2000-09-14
- ↑ DE19938952A1, Weigert, Dedo, "Projektionsoptik", issued 2001-02-22
- ↑ DE10063134A1, Weigert, Dedo & Chin, Depu, "Fokussierbarer Scheinwerfer mit Negativlinse", issued 2002-06-27
- ↑ EP1610059A3, Weigert, Dedo, "LED-Vorrichtung mit veränderlichem Abstrahlwinkel", issued 2006-10-18
- ↑ EP2787271A1, Weigert, Dedo & Dinchev, Ivan, "Beleuchtungsvorrichtung mit asymmetrischer Abstrahlung", issued 2014-10-08
- ↑ WO2022111845A1, Weigert, Dedo, "Abschirmflaggeneinrichtung zur kombination mit einer reflektoreinrichtung und stativadapter als kupplungseinrichtung hierzu", issued 2022-06-02