Hi,

if your webcam can have a flash frontend build, then you can use javascript
to remote control the flash.

However you phrase it, your question can be rephrased into: "can Javascript
remote control the browser widget I  need"



Kind Regards,

Jochen Daum

P.S.: Do you know a good builder that may want to attend a business
breakfast?

Chief Automation Officer
Automatem Ltd

Phone: 09 630 3425
Mobile: 021 567 853
Email: [email protected]
Skype: jochendaum
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On Mon, Oct 4, 2010 at 3:07 PM, Aaron Cooper <[email protected]> wrote:

>  Thanks James,
>
> Again, I am well aware it is no different from a keyboard.
>
> Noone's really reading the primary gotcha of my post so I'll just close
> this one now.
>
> Cheers people
> Aaron
>
> ----- Original Message -----
> *From:* James McGlinn <[email protected]>
> *To:* [email protected]
> *Sent:* Monday, October 04, 2010 3:00 PM
> *Subject:* Re: [phpug] [OT] - USB Barcode Scanner to Web
>
> Many of the promoters using Eventfinder for ticketing use our web-based
> ticket validation system at http://pro.eventfinder.co.nz.
>
> They plug in a USB scanner, and scan ticket barcodes directly into the web
> application.
>
> Javascript detects the characters typed, handles changing focus amongst the
> fields as needed, and finally submits the code via Ajax and updates the
> parts of the screen required to provide feedback to the operator.
>
> It's straightforward - as Olwen pointed out the device just sends
> characters into the input buffer exactly like a keyboard.
>
>
> Kind regards,
> James McGlinn
> __________________________________
> CTO
> Eventfinder Limited
> Suite 106, Heards Building
> 2 Ruskin Street, Parnell, Auckland 1052
> Phone: +649 365 2342
> Mobile: +6421 633 234
>
> [email protected]  |  www.eventfinder.co.nz
>
>
>
>  On 4/10/2010, at 1:51 PM, Cliff Black wrote:
>
>   This is correct.
>  Barcode scanners emulate keyboards, so each number/char entered is a
> ‘keypress’ – usually followed by a carriage return (this is often changeable
> in the scanner units configuration) when the code has finished read.
>  This allows you to write javascript to suit the behaviour you require.
>  If you’re using a form with multiple fields, and have the carriage return
> setting on your scanner, I would recommend disabling the ‘submit on enter’
> action and rebind the submit to a specified element (button/image) only.
> This will prevent the scanner triggering a submit prematurely.
>  ~ C
>   *From:* [email protected] [mailto:[email protected]] *On
> Behalf Of *Olwen Williams
> *Sent:* Monday, 4 October 2010 1:32 p.m.
> *To:* [email protected]
> *Subject:* Re: [phpug] [OT] - USB Barcode Scanner to Web
>
> As far as I know most barcode scanners look like keyboards.  No personal
> experience, but that's what I've gathered.
>  On Mon, Oct 4, 2010 at 12:45 PM, Aaron Cooper <[email protected]>
> wrote:
>   Has anyone had any experience with getting USB devices to execute events
> on web pages? (Webcam would be an example)
>   We have a central application and hardware that we want to enhance with
> a USB barcode scanner. A global design goal is for the application to post
> data to a new page as soon as a scan is performed, without user action.
>   Javascript and hidden fields have their limitation in this respect, so I
> am thinking along the lines of ActiveX here. Just wanted to see if anyone
> here has done something similar.
>   Cheers
>  Aaron
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