Apple working on ways to for multi-touch input discrimination
TweetFollow Us on Twitter

Apple working on ways to for multi-touch input discrimination

An Apple patent (number 8243041) for multi-touch input discrimination has appeared at the U.S. Patent & Trademark Office. It relates generally to data input methods and devices for electronic equipment and, more particularly, to methods and devices for discriminating between various inputs to a multi-touch touch-surface input device.

Techniques for identifying and discriminating between different types of contacts to a multi-touch touch-screen device are described. Illustrative contact types include fingertips, thumbs, palms and cheeks. By way of example, thumb contacts may be distinguished from fingertip contacts using a patch eccentricity parameter. In addition, by non-linearly deemphasizing pixels in a touch-surface image, a reliable means of distinguishing between large objects (e.g., palms) from smaller objects (e.g., fingertips, thumbs and a stylus) is described.

Here's Apple's background and summary of the invention: "There currently exist many types of input devices for performing operations with an electronic system. These operations often correspond to moving a cursor and/or making selections on a display screen. Illustrative electronic systems include tablet, notebook, desktop and server computer systems, personal digital assistants, audio and video control systems, portable music and video players and mobile and satellite telephones. The use of touch pad and touch screen systems (collectively 'touch-surfaces') has become increasingly popular in these types of electronic systems because of their ease of use and versatility of operation.

"One particular type of touch-surface is the touch screen. Touch screens typically include a touch panel, a controller and a software driver. The touch panel is characteristically an optically clear panel with a touch sensitive surface that is positioned in front of a display screen so that the touch sensitive surface is coextensive with a specified portion of the display screen's viewable area (most often, the entire display area). The touch panel registers touch events and sends signals indicative of these events to the controller. The controller processes these signals and sends the resulting data to the software driver. The software driver, in turn, translates the resulting data into events recognizable by the electronic system (e.g., finger movements and selections).

"Unlike earlier input devices, touch-surfaces now becoming available are capable of simultaneously detecting multiple objects as they approach and/or contact the touch-surface, and detecting object shapes in much more detail. To take advantage of this capability, it is necessary to measure, identify and distinguish between the many kinds of objects that may approach or contact such touch-surfaces simultaneously. Prior art touch-surface systems (including their supporting software and/or circuitry) do not provide a robust ability to do this.

"Thus, it would be beneficial to provide methods and devices that identify and discriminate multiple simultaneous hover or touch events such as, for example, two or more closely grouped fingers, palm heels from one or more fingers, fingers from thumbs, and fingers from ears and cheeks.

"In one embodiment the invention provides a method to discriminate input sources to a touch-surface device. One method includes obtaining a proximity image, segmenting the image into a plurality of patches, determining an eccentricity value for each patch, identifying those patches have an eccentricity value greater than a first threshold as a thumb contact. This method may also be used to identify fingertip contacts (i.e., those patches having an eccentricity value less than the first threshold).

Another method includes obtaining a proximity image, segmenting the image to identify a plurality of patches (each patch having one or more pixels and each pixel having a value), reducing the value of each pixel in a non-linear fashion, determining a minor radius value for each patch, identifying those patches having a minor radius value greater than a specified radius as a palm contacts, and using the identified patch to control an operation of a touch-surface device.

"In another embodiment, the first and second methods may be combined. Thresholds may comprise constant values, linear functions or non-linear functions. Illustrative operations of a touch-surface device include, but are not limited to, rejecting spurious input and changing the operating mode of the touch-surface device. Illustrative modes changes include, but are not limited to, dimming the device's backlight, putting the device to sleep, waking the device from a low-power state, putting the device into a low power state (e.g., off or 'sleep') and, for mobile telephones, answering calls and terminating calls. One of ordinary skill in the art will recognize that the methods described herein may be organized as one or more program modules, stored in a tangible form (e.g., a magnetic disk), and executed by a programmable control device (e.g., a computer processor)."

Wayne Westerman is the inventor.

Apple has also been granted a patent (number 8,243,018) for a mouse with multi button functionality is disclosed. The mouse includes a housing that surrounds the internal components of the mouse. The housing includes at least a first member and a second member, each of which forms a substantial portion of the housing.

The first member moves relative to the second member so as to implement at least one of the multiple button functions of the mouse. The inventors are Abraham Farag and Brian Q. Huppi.

 

Community Search:
MacTech Search:

Software Updates via MacUpdate

How to build a successful civilisation i...
GodFinger 2 grants you godlike powers, leaving you to raise a civilization of followers. In the spirit of games like Black & White, the GodFinger games will see you building bigger and better villages, developing more advanced technology and... | Read more »
How to get all the crabs in Mr Crab 2
Mr. Crab 2 may look like a cutesy platformer for kids, but if you're the kind of person who likes to complete a game 100%, you'll soon realise that it's a tougher than a crustacean's shell. [Read more] | Read more »
How to be a star in Britney Spears: Amer...
If you've ever wanted to be a star, baby, then you've probably already checked out Britney Spears: American Dream and are happily making your way up the charts. But fame doesn't come easy, and everyone needs a helping hand sometimes. So we've got... | Read more »
AppSpy is hiring a part time Staff Write...
| Read more »
How to save lives in ER Surgery Simulato...
A serious earthquake has struck a nearby town in ER Surgery Simulator - Emergency Doctor, and it’s up to you to save the victims. [Read more] | Read more »
Tips and tricks to get a high score in G...
Ketchapp Games loves the endless runner genre. And its newest game, Gravity Switch, is no exception. Gravity Switch takes a fresh approach, though, as you move a block, suspended in zero gravity, safely through a maze of shifting pillars. If the... | Read more »
Tips and tricks to get a high score in S...
Smash Fu is a high-paced tile-tapping game that requires quick reflexes and some practice. You’ll have to smash bricks with the skill of a seasoned black belt to get a high score. To raise the stakes a bit, you’ll also have to avoid tapping any... | Read more »
How to keep the ball rolling in Dropple
If you're new to the minimalist puzzler Dropple, you may find yourself struggling to make it beyond the first couple of steps before your ball falls into the endless abyss below. [Read more] | Read more »
Game Craft releases new Legend of War ti...
Set for release at the end of this month, real time strategy title Legend of War seems sure to delight with a veritable feast of sweet features to get stuck into. Developed by Game Craft, the game is due for release through both the App Store and... | Read more »
How not to die in Traffic Rider
Traffic Rider, an Out Run-esque game in which your ride a motorcycle recklessly into trffic, might not seem particularly complicated. [Read more] | Read more »

Price Scanner via MacPrices.net

Textkraft Professional Becomes A Mobile Produ...
The new update 4.1 of Textkraft Professional for the iPad comes with many new and updated features that will be particularly of interest to self-publishers of e-books. Highlights include import and... Read more
SnipNotes 2.0 – Intelligent note-taking for i...
Indie software developer Felix Lisczyk has announced the release and immediate availability of SnipNotes 2.0, the next major version of his productivity app for iOS devices and Apple Watch.... Read more
Pitch Clock – The Entrepreneur’s Wingman Laun...
Grand Rapids, Michigan based Skunk Tank has announced the release and immediate availability of Pitch Clock – The Entrepreneur’s Wingman 1.1, the company’s new business app available exclusively on... Read more
13-inch 2.9GHz Retina MacBook Pro on sale for...
B&H Photo has the 13″ 2.9GHz Retina MacBook Pro (model #MF841LL/A) on sale for $1599 including free shipping plus NY tax only. Their price is $200 off MSRP. Amazon also has the 13″ 3.9GHz Retina... Read more
Apple price trackers, updated continuously
Scan our Apple Price Trackers for the latest information on sales, bundles, and availability on systems from Apple’s authorized internet/catalog resellers. We update the trackers continuously: - 15″... Read more
Clearance 12-inch Retina MacBooks available s...
B&H Photo has dropped prices on leftover 2015 12″ Retina MacBooks with models now available starting at $999. Shipping is free, and B&H charges NY tax only: - 12″ 1.1GHz Gray Retina MacBook... Read more
Check Apple prices on any device with the iTr...
MacPrices is proud to offer readers a free iOS app (iPhones, iPads, & iPod touch) and Android app (Google Play and Amazon App Store) called iTracx, which allows you to glance at today’s lowest... Read more
New 2016 13-inch 256GB MacBook Air on sale fo...
B&H Photo has the new 13″ 1.6GHz/256GB MacBook Air (model MMGG2LL/A) on sale for $1149 including free shipping plus NY sales tax only. Their price is $50 off MSRP. Amazon has the 13″ 1.6GHz/256GB... Read more
Apple refurbished iPad Air 2s available start...
Apple has Certified Refurbished iPad Air 2 available starting at $339. Apple’s one-year warranty is included with each model, and shipping is free: - 128GB Wi-Fi iPad Air 2: $499 - 64GB Wi-Fi iPad... Read more
Accenture and Vatican Opera Romana Pellegrina...
Accenture has announced that the official mobile application for the Extraordinary Jubilee Year of Mercy declared by Pope Francis has been built and launched by Accenture Mobility, part of Accenture... Read more

Jobs Board

*Apple* Nissan Service Technicians - Apple A...
Apple Automotive is one of the fastest growing dealer...and it shows. Consider making the switch to the Apple Automotive Group today! At Apple Automotive , Read more
ISCS *Apple* ID Site Support Engineer - APP...
…position, we are looking for an individual who has experience supporting customers with Apple ID issues and enjoys this area of support. This person should be Read more
Automotive Sales Consultant - Apple Ford Linc...
…you. The best candidates are smart, technologically savvy and are customer focused. Apple Ford Lincoln Apple Valley is different, because: $30,000 annual salary Read more
*Apple* Support Technician II - Worldventure...
…global, fast growing member based travel company, is currently sourcing for an Apple Support Technician II to be based in our Plano headquarters. WorldVentures is Read more
Restaurant Manager (Neighborhood Captain) - A...
…in every aspect of daily operation. WHY YOU'LL LIKE IT: You'll be the Big Apple . You'll solve problems. You'll get to show your ability to handle the stress and Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.