Philipsen opened Denmark's first viable cinema the 158 seat Kosmorama in 1904 in Copenhagen He opened 26 more Kosmorama Cinemas in Denmark between 1905 and 1906. Though the majority of cinemas seated at most 300-400 people, Philipsen opened the large Palace Cinema seating 2500 and using a 30 piece orchestra in to former site of Copenhagen's Grand Central Railway station
In addition to owning cinemas Philipsen began producing his own films from 1909.
- "Constantin Philipsen".
- p. 182 Thomas, Alastair H. Historical Dictionary of Denmark Rowman & Littlefield, 26 Jul. 2016
- p. 172 Abel, Richard Encyclopedia of Early Cinema Taylor & Francis, 2005
- p. 51 Petterson, Palle B. Cameras into the Wild: A History of Early Wildlife and Expedition Filmmaking, 1895–1928 McFarland, 27 Jun. 2011
- p. 173 Abel, Richard Encyclopedia of Early Cinema Taylor & Francis, 2005