Category Archives: Patents

Ricoh’s patents for a better visible AF patch

Ricoh filed a patent in Japan for a better visible AF patch / focusing points. See the before and after pictures from the patent application: Via Egami

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Ricoh’s patent for camera registration from the menu

Ricoh filed a patent in Japan for a simplified camera registration process that can be completed from the menu of the camera and be submitted directly trough the built-in Wi-Fi.

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Ricoh’s patent for a lens cap with a lock mechanism

Ricoh has a new patent application for a lens cap with a lock mechanism – in order to remove it, you have to pinch the two release handles and in addition press the lock mechanism button on the front that also serves as a manufacturer logo. Via Egami

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Two new Ricoh patents for improved live view and random pattern focusing screen

Two new Ricoh patent applications were filed in Japan: The first Ricoh patent is to improve live view image quality and reduce flickering. The second patent is for a random pattern focusing screen  – on the left you can see a schematic diagram showing moire on a general focusing screen, on the right you see a focusing screen […]

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Ricoh’s patent for contrast AF by the AE sensor

Ricoh filed a patent for contrast AF by the AE sensor in order to achieve accurate AF without using live view. Additional information available at Egami (Google translation).

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New Ricoh patent for a Pentax Q 4.2mm f/1.8 lens

  Ricoh has filed a new patent in Japan for a 4.2mm f/1.8 lens calculated for a 1/1.7″ sensor (23mm equivalent for Q and D10 and 19mm for the Q7). This lens is most likely designed for the Pentax Q mirrorless camera system. If true, this means that Ricoh/Pentax have not abandon the Q system. The last […]

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Ricoh/Pentax phase detection AF patent

Ricoh filed a new patent in Japan for a phase detection AF that could be used to ensure precise AF during video/live view. Via Egami

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