-
Projecting device
-
Patent number 4,426,132
-
Issue date Jan 17, 1984
-
Canon Kabushiki Kaisha
-
Atsuo Tsunoda
-
G02 - OPTICS
-
Projection device
-
Patent number 4,402,572
-
Issue date Sep 6, 1983
-
Canon Kabushiki Kaisha
-
Atsuo Tsunoda
-
G02 - OPTICS
-
Projecting device
-
Patent number 4,350,431
-
Issue date Sep 21, 1982
-
Canon Kabushiki Kaisha
-
Noritaka Mochizuki
-
G02 - OPTICS
-
Projection device
-
Patent number 4,316,665
-
Issue date Feb 23, 1982
-
Canon Kabushiki Kaisha
-
Noritaka Mochizuki
-
G02 - OPTICS
-
Projection device
-
Patent number 4,275,962
-
Issue date Jun 30, 1981
-
Canon Kabushiki Kaisha
-
Koyo Midorikawa
-
G02 - OPTICS