"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7277114 | Image recording apparatus and method A photographic printer is loaded with two webs of photographic paper, and produces photographic prints by exposure thereto. Initially, the photographic paper is advanced from two photographic paper rolls in parallel. Those two are combined together to constitute a p... | 10/02/2007 |
| 7079229 | Densitometry device The present invention relates to a densitometry device that can perform suitable densitometry with minimum required light amounts and can achieve space savings. An angle θ between a reference optical axis of a light source, which is an LED chip, and an optical axis... | 07/18/2006 |