Dear Keith, The US patent database can be accessed via the search page:
http://appft1.uspto.gov/netahtml/PTO/search-bool.html Please enter the patent application no. into the relevant search field. Regards, Henry Chu 6/2/2003
Can you provide a URL for that patent?
I don't know where to access it.
Thanks,
keith whaley
Iren & Henry Chu wrote:
>
> Dear all,
>
> We have been discussing for the need for very precise lens alignment but
> let's check the latest patent application by Pentax:
>
> No. 20030007260 Lens frame structure for optical axis adjustment.
>
> Pentax engineer has eliminated the problem by "providing a lens frame
> structure which makes it possible to carry out a centering operation on a
> lens group without relying on the precisions of the fit between the lens
> group and a lens frame or the precision of the fit between a lens frame that
> supports the lens group and another lens frame".
>
> We have to trust them, haven't we?
>
> Regards,
>
> Henry Chu
> 5/2/2003
>
> >From: KT Takeshita <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: Pentax Discuss <[EMAIL PROTECTED]>
> >Subject: Re: ten new cameras
> >Date: Tue, 04 Feb 2003 19:01:12 -0500
> >
> >On 2/04/03 6:01 PM, "Bruce Rubenstein" <[EMAIL PROTECTED]> wrote:
> >
> > > It's all being done for style, and no
> > > different than tail fins. If that's what folks want then that's fine. It
> > > just won't help how well it works.
> >
> >Very amateurish way of looking at the engineering design from the person
> >who
> >claims to have an engineering/design background. It is true that a good
> >engineer should never look at anything for granted and try to look at
> >things
> >from different angles, but I have to repeat that this particular design is
> >not a rocket science. There are lot more complicated design in any of the
> >small electro-mechanical gadget like a camera.
> >My interpretation is that, when engineers (never mind Pentax or not)
> >encounter the conflicting design requirement to pack an extending zoom
> >barrel into a card size format, they squeezed their brain to come up with
> >the solution which is to get certain lens group out of its way.
> >Normally, things like the lens alignment etc preoccupy the mind of
> >non-creative type engineers which hinders the progress of the design.
> >
> >As any gadget design, there might be some bugs cropping up but I am sure
> >the
> >major ones were already debugged.
> >
> >I can see that the overall design objective of this camera was to make it
> >as
> >small as possible, and the lens shifting design was just one of the
> >solutions to achieve that goal, but not the primary purpose. Pentax
> >applied
> >over 30 patents for this concept. I am sure there would be other
> >applications. Well, IS woks, and why not this?
> >
> >I would think it is a good and useful design for the money. Tail fins? I
> >do not think so. You may not like whatever Pentax accomplish but the life
> >goes on regardless ;-).
> >
> >Take care,
> >
> >Ken
>
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