Archive for: patent

Microsoft and Canon Sign Patent Cross-Licensing Agreement

Microsoft and Canon Sign Patent Cross-Licensing Agreement

REDMOND, Wash., and TOKYO — July 2, 2014 — Microsoft Corp. and Canon Inc. on Wednesday broadened their strategic alliance with the announcement of a broad patent cross-licensing agreement. With this agreement, Microsoft and Canon gain licenses to each other’s highly valued and growing patent portfolios.

“This collaborative approach with Canon allows us to deliver inventive technologies that benefit consumers around the world,” said Nick Psyhogeos, general manager, associate general counsel, IP Licensing of the Innovation and Intellectual Property Group at Microsoft. “Microsoft believes cooperative licensing is an effective way to accelerate innovation while reducing patent disputes.”

This agreement covers a broad range of products and services each company offers, including certain digital imaging and mobile consumer products. Microsoft and Canon have a long history of collaborating to bring high-quality, cutting-edge products to consumers, including color technology. Contents of the agreement will not be disclosed.

“This agreement is a natural extension of our longstanding relationship with Microsoft and commitment to developing innovative technologies,” said Hideki Sanatake, senior general manager, Corporate Intellectual Property & Legal Headquarters of Canon Inc.

Read the full Press Release



Patent: 1.03x Magnification APS-C Viewfinder

As we get closer to the replacement of the EOS 7D, we’re starting to see some patents that will probably point to some features in the upcoming camera. The recent sensor patent is interesting, as well as this viewfinder patent. We had heard previously about the possibility of a 1.15x magnification viewfinder on the next flagship APS-C camera, which would have been equal to the size of a full frame 100% coverage viewfinder.

This viewfinder is slightly larger than the one on the EOS 7D.

A note about the sensor patent, we have heard that Canon is holding back some sensor patents until the camera is announced to the public, as all patent information is public domain. We’ll see if that turns out to be the case.


Patent Information (Google Translated)

  • Patent Publication No. 2014-115451
    • Publication date 2014.6.26
    • Filing date 2012.12.10
  • Example 9
    • -3 -1 +1 Viewfinder diopter
    • Focal length f = 46.84 48.38 49.99mm
    • Eye point 22.00mm
    • 1.03 1.03 1.02x magnification
    • Pentagonal prism
    • Condenser lens made of glass
    • Eyepiece lens system with the exception of the condenser lens, 4-group structure of the positive and negative positive negative
    • In turn, resin (single-sided aspherical surface), glass, resin (single-sided aspherical surface), the material is glass
  • Patent Publication No. 2014-115452
    • Publication date 2014.6.26
    • Filing date 2012.12.20
  • Example 1
    • -3.00 -1.00 +1.00 Diopter
    • Focal length f = 62.22 59.69 57.39mm
    • Eye Relief 19.9mm
    • Maximum image height 12.4mm
    • Pupil diameter φ15mm
    • Magnification 0.87x
    • Pentagonal mirror

Source: [EG]



Patent: Canon 5 Layer UV, IR, RGB Sensor

A patent showing a 5 layer image sensor from Canon has appeared. UV and IR layers help with color reproduction especially for skin tones.

Keith at Northlight has this to add about the patent: “The pixel structure above, shows a BSI design (back illumination), but obviously no pixel structure. Extending the range of light response to UV and IR would cause issues for current lens designs, but the idea of more than three colour primaries is not new, although it would require a major re-write for support from RAW converter software.”


Patent Information (Google Translated)

  • Patent Publication No. 2014-103644
    • Publication date 2014.6.5
    • Filing date 2012.11.22
  • Canon patents
    • I get the visible light
    • I get the ultraviolet light
    • I get the infrared light
    • I want to extract the skin area
    • The skin region of visible light, I will correct the image from the difference of the skin area of ​​ultraviolet light
    • Signal value of the infrared light is regarded as the skin area, the high part

Source: [EG] via [NL]



Patent: Canon EF 400 f/4 DO IS

A patent for a new Canon EF 400 f/4 DO IS has appeared. The current lens has been around since December, 2001 and I think it’s a gem in the Canon lineup.

We’ve seen a lot of DO patents over the years, but no DO lens has been announced since June, 2004 when the EF 70-300 f/4.5-5.6 DO IS came to market.

Canon EF 400 f/4 DO IS

Canon EF 400 f/4 DO IS

  • Patent Publication No. 2014-109700
    • Publication date 2014.6.12
    • Filing date 2012.12.3
  • Example 1
    • Focal length f = 392.00-381.59-332.99mm
    • Fno.
    • Half angle ω = 3.16-3.10-2.81 °
    • Image height Y = 21.64mm
    • The overall length of the lens 292.02mm
    • BF 105.64mm

Source: [EG]Canon EF 400 f/4 DO IS at B&H Photo


Patent: Multi-Lens, Multi-View Camera

Patent: Multi-Lens, Multi-View Camera

Below is a patent for a multi-lens, multi-view camera. I’m not sure what the application would be for such a camera, but I felt the same way about the PowerShot N and it continues to get made. :)

The patents below are translated via Google Translator.

Patent Publication No. 2014-110442

  • Publication date 2014.6.12
  • Filing date 2012.11.30

Canon patents

  • Multi-lens camera concentrically arranged an imaging device and a plurality of lenses
  • I do light field, angle of view changes, perspective changes, noise reduction, resolution conversion, HDR, distance estimation, the disparity estimation

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