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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8000595 | Optical receiver, optical communication device, and optical signal receiving method An optical receiver including a demodulator to convert an in-phase signal of a received differential phase modulated optical signal into a first electrical signal, and to convert a quadrature signal of the received differential phase modulated optical signal into a ... | 08/16/2011 |
| 5172146 | Electronically controlled optical color correction system for a camera The present invention covers automatic and manual control of the color of light striking film in a camera by electrically manipulating the color purity of one or more optical color correction filter elements made of clear and dyed dichroic liquid crystals... | 12/15/1992 |
| 4918470 | Apparatus for controlling the color balance of a photographic image A selected one of two or more variable density color filters is automatically positioned in the optical axis of a taking lens of a photographic camera, if necessary, prior to an exposure in order to automatically effect a color balanced exposure of a phot... | 04/17/1990 |
| 4195921 | Photographic apparatus with means for differently indicating the intensity of scene light for differently sensitive films A photographic apparatus which can accept cassettes for high-speed or lower-sensitivity film has a mechanical or electronic switch which automatically deactivates a light-emitting diode which serves to indicate the intensity of scene light as soon as a ca... | 04/01/1980 |
| 4145128 | Device for controlling a camera timing means as a function of film speed A film cartridge loading type camera is provided with improved apparatus controlling camera exposure comprising a sensing slide for sensing a film speed code carried on a film cartridge, and a pivotable lever operatively connected to the sensing slide w... | 03/20/1979 |
| 4066346 | Motion picture camera with a built in color conversion filter The present invention relates to a motion picture camera which includes a color conversion filter for adapting the tungsten type film to the daylight photography, a manual operation means capable of taking the filter out of the photographic optical path a... | 01/03/1978 |
| 4055846 | Film cartridge anti-tilting arrangement A camera has a cover member for opening and closing a film cartridge-retaining chamber, and a detecting member movable to effect automatic setting of the film sensitivity or automatic change-over of a filter. The film cartridge has a signal element on its... | 10/25/1977 |
| 4000497 | Camera filter positioning apparatus A camera of the type that receives a film cartridge in a cartridge receptacle and secures the cartridge by a door is provided with apparatus for regulating exposure in response to the combination of (1) sensing a film speed indicator carried by the cartri... | 12/28/1976 |
