Panasonic GH3 review published

Started Apr 15, 2013 | Discussions thread
Anders W
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Re: Panasonic GH3 review
In reply to tt321, Apr 16, 2013

tt321 wrote:

Anders W wrote:

RicksAstro wrote:

Anders W wrote:

As I pointed out, it's just a matter of how quickly the sensor can be reset. Presumably, Canon can't patent the reset speed itself, just a particular way of accomplishing it. If Sony has accomplished the same by some other means, they wouldn't have to license it.

I thought it wasn't just how fast it can be reset, but a matter of syncing the resetting of each row with the mechanical shutter (same speed and direction) so no mechanical shutter is needed.    That may be patentable.

I doubt that this makes a difference with regard to patentability. If you have a reset mechanism, no matter which, it should be addressable by row (if the sensor is read by row). And if it is addressable by row, it is of course a simple matter to sync it with the shutter curtain.

The patent reads to me like they are mainly claiming the fundamental concept, i.e. syncing the electronic reset scanning to the mechanical shutter coming behind to replace the mechanical first shutter, so others may have trouble implementing the same effect with different reset mechanisms or any implementation differences?

I do not know enough about patent law to really tell. But one complication I overlooked is that the syncing should be done slightly differently depending on the lens used. The fact that the technology (and theory) to do this is included might conceivably make the whole idea easier to patent.

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