Directed reflection optical device
Displays having improved contrast
Disposable endoscope
Document editing apparatus which activates application programs
Document processing apparatus having layout display control syst
Driving apparatus of camera
Dual medium heterojunction acoustic charge transport multiple qu
Dynamic holographic display with cantilever
Electro-optical modulator which provides optical bias stabilizat
Electron-wave coupled semiconductor switching device
Excimer laser with line narrowing
Exposure device for color CRT manufacture and a compound correct
Exposure-equalizing system for photographic images
Eye-cup cover for a viewfinder
Fiber optic multiplexer and demultiplexer system
Fibre optic transmission system
Filter apparatus for camera
Finder optical system
Finder prism
Focal point adjusting device for zoom lens