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Automatic size corrected preview of rich media content for arbitrary device screens utilizing a database

IP.com Disclosure Number: IPCOM000202207D
Publication Date: 2010-Dec-08
Document File: 5 page(s) / 491K

Publishing Venue

The IP.com Prior Art Database

Abstract

Previewing rich media content for a mobile device usually suffers from the fact that the display density of the device is different than the actual screen you preview it. The display densities can vary heavily. For example if the screen density is around 96ppi and the mobile device screen density is 200ppi, the content would be displayed way to large on the computer screen compared to how it would appear on the mobile device. Since the mobile device isn't necessarily present when designing the content, a database is queried to send the display density of a given mobile device to the application on a designer's computer. A zoom factor is computed to scale the content proportionally to appear with the corrected physical dimension/sizes on the designer's screen as it would on the mobile device.

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Title

Automatic size corrected preview of rich media content for arbitrary device screens utilizing a database

Inventor/Author

Sven Duwenhorst, Hinnerk Schmidt – do Rego Silva, Jens Krüger

Summary

Previewing rich media content for a mobile device usually suffers from the fact that the display density of the device is different than the actual screen you preview it. The display densities can vary heavily. For example if the screen density is around 96ppi and the mobile device screen density is 200ppi, the content would be displayed way to large on the computer screen compared to how it would appear on the mobile device.

Since the mobile device isn't necessarily present when designing the content, a database is queried to send the display density of a given mobile device to the application on a designer's computer. A zoom factor is computed to scale the content proportionally to appear with the corrected physical dimension/sizes on the designer's screen as it would on the mobile device.

Background

Display devices can have very different resolutions and densities. The latest mobile devices have screens with very high densities. Therefore the content appears way to large on the designers computer screen compared to its appearance on the mobile device. The designer has to manually adjust the zoom factor until the content appears to have the same physical size on the computer screen than it would have on the mobile device. However, this kind of tweaking requires to have the device at hand to compare the physical sizes, which isn't necessarily always the case.

Prior Art/Solutions

Some application (for example Photoshop, Illustrator and InDesign) offer the ability to give a print preview of the content. They typically use 72 or 96ppi, which was correct a while back, but if your computer screen has a different density, the document is wrongly sized.

In the PS CS5 Help document you can read the following about this preview:

"View the print size on-screen
• Do one of the following:
• Choose View > Print Size.
• Select the Hand t...