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WO2016005989A1 - Procédé et appareil pour le fonctionnement sans fil d'un dispositif informatique mobile - Google Patents

Procédé et appareil pour le fonctionnement sans fil d'un dispositif informatique mobile Download PDF

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Publication number
WO2016005989A1
WO2016005989A1 PCT/IL2015/050719 IL2015050719W WO2016005989A1 WO 2016005989 A1 WO2016005989 A1 WO 2016005989A1 IL 2015050719 W IL2015050719 W IL 2015050719W WO 2016005989 A1 WO2016005989 A1 WO 2016005989A1
Authority
WO
WIPO (PCT)
Prior art keywords
mcd
pca
wireless
display
peripherals
Prior art date
Application number
PCT/IL2015/050719
Other languages
English (en)
Inventor
Leonid Remennik
Original Assignee
Leonid Remennik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leonid Remennik filed Critical Leonid Remennik
Publication of WO2016005989A1 publication Critical patent/WO2016005989A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices

Definitions

  • This invention generally pertains to computer peripheral systems and more specifically to wireless connection of computer peripherals to mobile computing device.
  • a common problem with device mobility is that, mobile devices have to be small, light and easy to carry around. Historically, being light and small required significant sacrifice in computing power of mobile device, but current trends in miniaturization and power efficiency make this assumption obsolete. Unfortunately being small still causes significant degradation in usability. Small screen, small speakers and small input controls (touch surface, keys etc.) significantly limit efficiency of information exchange between user and the mobile computing device.
  • Bluetooth is a common wireless technology to connect human input devices like, keyboard and mouse and audio devices like, speakers and headphones.
  • Wireless connectivity of displays is possible with technologies like Miracast, WiDi or AirPlay Mirroring.
  • Unfortunately connecting peripherals using wireless technologies is usually cumbersome manual process inhibiting fast switching of form factors.
  • Driving a motor vehicle is another modality with constrained support for using personal mobile computing device.
  • Common in-built car infotainment systems may be considered as additional personal computing device creating discontinuity in user's communication with personal mobile computing device.
  • infotainment systems are closed and allow limited possibilities to integrate user's personal computing device into driving experience.
  • the embodiments of the present invention provide a method to provide multiple usage form factors to mobile computing device, overcoming the problems disclosed in the prior art by leveraging wireless connectivity.
  • the representative embodiments include a smart-phone capable of wirelessly connecting to keyboard, mouse and headset, capable of sending wirelessly representation of its display and capable of receiving energy using inductive power transfer.
  • Another component of representative embodiments is peripherals connecting apparatus (PCA) connected to computer display, keyboard, mouse, audio-headset and power adapter by means of DVI/HDMI, USB, 3.5mm phone connectors and micro-USB connector respectively.
  • PCA peripherals connecting apparatus
  • Said physical device plays a role of wireless keyboard, wireless mouse, wireless headset, wireless display and wireless charger in respect to the said smart-phone allowing the user of the peripherals connected to said physical device to operate said smart-phone wirelessly.
  • MCD mobile computing device
  • the smart-phone may be substituted by any mobile computing device (MCD), such as a tablet, laptop, smart-watch, smart-glass or any conjunction of devices allowing wireless connection of display, headset, mouse, keyboard and other peripherals.
  • MCD mobile computing device
  • a peripherals connecting apparatus for wireless connecting of wired computer peripherals to a mobile computing device (MCD) supporting wireless connection of peripherals.
  • the apparatus includes keyboard controller, mouse controller, audio codec, display controller, processor and wireless communication device for communicating with the smart-phone.
  • power is provided to the smart-phone by an apparatus including inductive power transfer coil.
  • Keyboard controller enables receipt of human interface device (HID) reports from the attached keyboard and provides these HID reports to a processor.
  • the processor encodes the HID reports into suitable wireless format and enables the wireless communication device to send these HID reports to the smart-phone over wireless network link.
  • Mouse controller enables receipt of human interface device (HID) reports from the attached mouse and provide these HID reports to the processor.
  • the processor encodes the HID reports into suitable wireless format and enables the wireless communication device to send these HID reports to the smart- phone over wireless network link.
  • Wireless communication device enables receipt of encoded smart-phone display frames and provide them to the processor.
  • the processor decodes the display frames and provides them to display controller, which enables display of these frames on the attached display.
  • Wireless communication device enables receipt of encoded digital audio stream from smart-phone and provide it to the processor.
  • the processor decodes the audio stream and provides it to DAC device which enables playing of this stream on the attached speaker/headphones.
  • ADC device enables conversion of audio from microphone input into digital form and provide digital audio stream to the processor.
  • the processor encodes the audio stream into suitable wireless format and enables the wireless communication device to send this audio stream to the smart-phone over wireless network link.
  • a method for switching a modality of mobile computing device including the steps of:
  • the modality controller of the mobile computing device Upon detection of a trigger to switch modality, the modality controller of the mobile computing device will instruct the mobile computing device to connect to said identified wireless keyboard, wireless mouse, wireless headset and wireless display
  • Peripherals connecting apparatus emulating wireless keyboard, wireless mouse, wireless headset and wireless display by responding to said mobile computing device connection attempt according to the protocol of respectively wireless keyboard, wireless mouse, wireless headset and wireless display.
  • peripherals connecting apparatus Upon completion of establishment of wireless connection with mobile computing device, peripherals connecting apparatus will continue emulating wireless keyboard, wireless mouse, wireless headset and wireless display by tunneling the data from the peripherals connecting the apparatus to mobile computing device and by tunneling the data from mobile computing device to the peripherals connected to the apparatus.
  • the trigger to switch modality may be selected from the group of proximity, quality of wireless signal, availability of wireless power transmission, limited range wireless communication.
  • a method for fast switching a modality of mobile computing device including the steps of:
  • Peripherals connecting apparatus delaying completion of the said mobile computing device connection attempt by delaying responding to the last message of the protocol for the respective wireless peripheral connection.
  • peripherals connecting apparatus Upon detection of a trigger to effective switch of modality, peripherals connecting apparatus will complete said wireless connection by responding to the delayed messages.
  • peripherals connecting apparatus Upon establishing of wireless connection with mobile computing device, peripherals connecting apparatus continue emulating wireless keyboard, wireless mouse, wireless headset and wireless display by tunneling the data from the peripherals connecting the apparatus to mobile computing device and by tunneling the data from mobile computing device to the peripherals connected to the apparatus.
  • the trigger to potential switch of modality may be selected from the group of proximity, quality of wireless signal, availability of wireless power transmission, limited range wireless communication, location information
  • the trigger to effective switch of modality may be selected from the group of proximity, quality of wireless signal, availability of wireless power transmission, limited range wireless communication.
  • a method for minimizing delay between mouse movement and cursor movement on the screen of mobile computing device including the steps of:
  • PCA peripherals connecting apparatus
  • MCD mobile computing device
  • PCA Upon detection of a mouse movement event arriving from said connected mouse, PCA performs the following steps
  • Alternative representative embodiments of the present invention includes vehicle infotainment system (VIS) connected to PCA acting as display connected to PCA in the system, apparatus and methods described above.
  • PCA is facilitated to transfer display and audio output to said VIS to be presented by said VIS display and speakers.
  • a method is provided transferring display output of PCA to VIS using VIS storage device interface in accordance with the teachings of US8606071B2, the method including the steps of:
  • PCA facilitates VIS to consume and present the converted AV stream on VIS display
  • the conversion of display output stream can include any combination of copying, trans-coding and transport format adjustment [29]
  • a method is provided transferring display output of PCA to VIS using MirrorLink protocol, the method including the steps of:
  • the conversion of display output stream can include any combination of copying, decoding and transport format adjustment
  • An embodiment is an example or implementation of the inventions.
  • the various appearances of "one embodiment,” “an embodiment” or “some embodiments” do not necessarily all refer to the same embodiments.
  • various features of the invention may be described in the context of a single embodiment, the features may also be provided separately or in any suitable combination. Conversely, although the invention may be described herein in the context of separate embodiments for clarity, the invention may also be implemented in a single embodiment.
  • FIG. 1 schematically illustrates a peripherals connecting system containing mobile computing device connected to peripherals connecting apparatus.
  • Fig 2 is an in depth description of the preferred embodiment system, describing main building blocks of peripherals connecting apparatus.
  • FIG. 36 is a detailed schematic illustration of method for MCD performing modality switch by wirelessly connecting external peripherals.
  • Fig 4 is a detailed schematic illustration of method for MCD performing fast modality switch by wirelessly connecting external peripherals.
  • FIG. 5 is a detailed schematic illustration of method for minimizing delay between mouse movement and respective cursor movement on the display attached to peripherals connecting apparatus.
  • Fig 6 is a detailed schematic illustration of system to display MCD's display output on vehicle infotainment device.
  • Fig 1 schematically illustrates a peripherals connecting system 100 containing MCD 110 connected to PCA 120.
  • the system 100 is capable of presenting display output rendered by MCD 110 on the display device 101 attached to PCA 120.
  • MCD 110 encodes display output frames and sends them over wireless network 105.
  • PCA 120 receives display output of MCD 110 using wireless network 105 and presents it on the display device 101. It should be obvious to the skilled in art that any device allowing presentation of video information such as projector, head-up display or TV can be considered as display 101 by this invention.
  • the system 100 is capable of playing audio rendered by MCD 110 on the headphones of the headset 104 attached to PCA 120.
  • MCD 110 encodes audio and sends it over wireless network 105.
  • PCA 120 receives audio rendered by MCD 110 using wireless network 105 and plays it on the headphones of the headset 104. It should be obvious to the skilled in art that any device which allows playing of audio such as speakers, headphones or even speakers embedded into display device 101 may be considered as headset 104 by this invention.
  • the system 100 is capable of delivering to MCD110 audio signal from the microphone of the headset 104 attached to PCA 120.
  • PCA 120 sends audio signal to MCD 110 using wireless network 105.
  • MCD 110 receives audio using wireless network 105 and treats it as MCD's 110 audio input. It should be obvious to the skilled in art that any device providing audio signal input such as analog or digital microphone or analog or digital sound input may be considered as microphone of headset 104 by this invention.
  • the system 100 is capable of delivering to MCD 110 the keyboard events of the keyboard 102 attached to PCA 120.
  • PCA 120 sending keyboard events to MCD 110 using wireless network 105.
  • MCD 110 receives keyboard events using wireless network 105 and treats it as MCD's 110 keyboard input. It should be obvious to the skilled in art that any device providing key-press events such as keypad, barcode scanner or gaming controller may be considered as keyboard 102 by this invention.
  • the system 100 is capable of delivering to MCD 110 the mouse events of the mouse 103 attached to PCA 120.
  • PCA 120 sends mouse events to MCD 110 using wireless network 105.
  • MCD 110 receives mouse events using wireless network 105 and treats it as MCD's 110 pointing input. It should be obvious to the skilled in art that any device providing pointing events such as trackball, trackpad, digitizer or touchscreen may be considered as mouse 103 by this invention.
  • the system 100 is capable of delivering to MCD 110 power by means of inductive power transfer coil 106 attached to PCA 120.
  • MCD 110 receives wireless power transfer using corresponding wireless power receiver and uses received power to power itself or charge it's batteries. It should be obvious to the skilled in art that any device allowing wireless transfer of power such as source of electromagnetic radiation, induction or conduction may be considered as power transfer coil 106 by this invention.
  • Keyboard Controller 224 is responsible for communicating with attached keyboard.
  • Keyboard Controller 224 captures key press events from the keyboard attached to PCA and transfers them to Processor 220 connected to Keyboard Controller 224.
  • the keyboard is attached using USB connection and using HID over USB protocol to send keyboard events to Keyboard Controller 224.
  • Preferable Keyboard Controller, 224 will be implemented by USB host controller and by USB and HID driver software running on Processor 220 controlling such USB host controller.
  • the Processor 220 Upon receiving keyboard event the Processor 220 encodes it in format appropriate for wireless keyboard protocol understandable by MCD 110 and sends it to connected Wireless Network Card 236.
  • Wireless Network Card 236 sends encoded keyboard event to MCD 110 over wireless link.
  • MCD 110 uses Bluetooth technology to receive wireless keyboard events and Processor 220 uses HID over Bluetooth protocol, well known in art, as format for encoding keyboard events. It should be obvious to the skilled in art that any technology allowing MCD 110 to consume keyboard events over wireless link may be used for this aspect.
  • Mouse Controller 226 is responsible for communicating with attached mouse. Mouse Controller 226 captures pointing events from the mouse attached to PCA and transfers them to Processor 220 connected to Mouse Controller 226. Preferably the mouse is attached using USB connection and using HID over USB protocol to send pointing events to Mouse Controller 226.
  • Preferable Mouse Controller 226 is implemented by USB host controller and by USB and HID driver software running on Processor 220 controlling such USB host controller.
  • MCD 110 Upon receiving mouse event the Processor 220 encodes it in format appropriate for the wireless mouse protocol understandable by MCD 110 and sends it to connected Wireless Network Card 236.
  • Wireless Network Card 236 sends encoded pointing event to MCD 110 over wireless link.
  • MCD 110 uses Bluetooth technology to receive wireless mouse events and Processor 220 uses HID over Bluetooth protocol, well known in art, as format for encoding pointing events.
  • HID over Bluetooth protocol
  • HID over Bluetooth protocol well known in art
  • Wireless Network Card 236 facilitates receipt of encoded display frames sent by MCD using wireless network.
  • Processor 220 facilitates A/V Decoder 222 to decode said received encoded display frames.
  • Processor 220 facilitates Display Controller 230 to present said decoded display frames on the display attached to PCA 120.
  • MCD uses one of the standard protocols such as Miracast or AirPlay Mirroring to wirelessly send display output.
  • Wireless Network Card 236 facilitates receipt of encoded audio sent by MCD using wireless network.
  • Processor 220 facilitates A/V Decoder 222 to decode said received audio.
  • Processor 220 facilitates Audio Codec 228 to play said decoded audio on the headphones attached to PCA 120.
  • MCD uses one of the standard protocols such as Bluetooth A2DP to witlessly send audio to PCA.
  • audio may be sent interleaved with display output using protocols such as Miracast or AirPlay Mirroring mentioned above.
  • Audio Codec 228 is facilitated to capture audio input from headset microphone attached to PCA.
  • Processor 220 obtains such captured audio from Audio Codec 228.
  • Processor 220 encodes said captured audio into format appropriate for the wireless audio input protocol understandable by MCD 110 and sends it to connected Wireless Network Card 236.
  • Wireless Network Card 236 sends encoded audio to MCD 110 over wireless link.
  • MCD 110 uses Bluetooth technology to receive audio and Processor 220 uses Bluetooth HFP/HSP protocol, well known in art, as format for encoding audio. It should be obvious to the skilled in art that any technology allowing MCD 110 to consume audio over wireless link may be used for this aspect.
  • Wireless Power Module 238 facilitates inductive power transfer coil attached to PCA to transfer power to MCD 110 located in the range of wireless power transfer.
  • Processor 220 executes software algorithms to achieve functionality described above. Such execution uses RAM 232 and Data Storage 234 by methods well known in art for software execution.
  • FIG. 3 Representative embodiment of the invention aspect described in paragraphs [20]-[21] depicted in Fig 3, a detailed schematic illustration of method 300 of MCD performing modality switch by wirelessly connecting external peripherals.
  • all external peripherals are connected to PCA and PCA is powered up (step 302), then MCD is paired with PCA using appropriate wireless peripheral pairing protocols (step 304).
  • standard protocols for wireless peripherals supported by MCD are used.
  • HID over Bluetooth is used for connecting keyboard and mouse
  • Bluetooth A2DP/HFP/HSP is used for connecting headset
  • Miracast/AirPlay Mirroring is used for connecting display.
  • PCA advertises itself as wireless peer for such protocols and MCD standard procedure for pairing such wireless peer is followed by the MCD user.
  • pairing process is assisted by software component deployed to MCD.
  • software component deployed to MCD For MCDs having limitation on ability of add-on software components to assist pairing, like iOS devices, alternative assistance method may be used.
  • PCA sends set of keyboard press events to MCD to automate MCD in process of pairing other peripheral protocols.
  • PCA waits for trigger to switch modality.
  • the trigger to switch modality may be deduced from proximity sensor embedded either into PCA or MCD, quality of wireless communication signal between PCA and MCD (for example Bluetooth RSSI), wireless communication round-trip time, short range wireless communication like NFC or RFID, mechanical communication like sound waves, availability of wireless power transmission, electric conductivity like electric switch, magnetic field measurement, human command or mix of the above.
  • the appropriate measurements may be done by either PCA or MCD. In case the measurement is done by MCD it may be signaled to PCA by wireless communication.
  • PCA avoids relaying communication between attached peripherals and MCD. Some of the methods to achieve it may be PCA advertising such wireless peripheral be off-line or out of range.
  • PCA Upon detection of the trigger to switch modality the system enters the connecting phase (steps 320 and 322).
  • PCA makes all paired wireless peripherals available for connection by MCD and leverages Modality Controller 290 deployed to MCD to force MCD connection to said advertised wireless peripherals (step 320).
  • Modality Controller deployed to MCD to force MCD connection to said advertised wireless peripherals (step 320).
  • PCA uses method described in paragraph [56] to automate MCD to achieve such task.
  • PCA satisfies MCD's requests to connect to wireless peripherals according to the appropriate wireless protocols to facilitate connection of attached peripherals over wireless link (step 322). In some cases appropriate wireless peripheral protocol supports establishment of connection from the device side, PCA initiates such connection on behalf of such peripheral.
  • PCA relays data between peripherals and MCD and acts upon receiving data to relay (324) as described in paragraphs [48]-[55]: a. Relaying communication between CD and display by decoding received display frames (340) and presenting them on attached display (342).
  • Step 406 introduces an idea of speculative estimation of upcoming modality switch.
  • PCA waits for trigger to start preparation for modality switch.
  • trigger may by anything described in paragraph [57] having similar or different threshold values and characteristics.
  • PCA follows to step 320 as described above and follows to step 422.
  • Step 422 is different from step 322 by the fact that PCA strives to prolong completion of establishment of wireless peripheral connection as long as it is possible according to the appropriate wireless protocol.
  • PCA delays the last possible communication that concludes establishment of appropriate wireless connection, while waiting for trigger to complete the switch of modality (step 424).
  • the trigger to complete switch of modality may be anything described in paragraph [57] usually having different threshold values and characteristics than the preparation trigger.
  • PCA completes establishment of wireless peripheral connection as soon as possible (step 426). PCA completes the last communication that was delayed in step 422.
  • method 400 is similar to method 300.
  • FIG. 5 Representative embodiment of the invention aspect described in par [25] depicted in fig 5, a detailed schematic illustration of method 500 of minimizing delay between mouse movement and respective cursor movement on the display attached to PCA.
  • Connecting peripherals over wireless link introduces significant delay in capturing user input by MCD and presenting output rendered by MCD. This may be noticeable in interactive scenarios, like moving mouse cursor.
  • Method 500 uses same setup, connecting and connected steps for wireless mouse as described in method 300 (steps 302, 304, 322, 324, 360 and 362) with addition of steps 560- 582.
  • PCA Upon completion of relaying mouse event to MCD (362), PCA decides if it has enough knowledge to estimate the relationship between movement of the mouse that was just relayed and the expected movement of the mouse cursor on MCD screen that should occur as result of the mouse event processed by MCD (step 560).
  • PCA estimates expected new location of the cursor on MCD screen. PCA uses the details of the mouse movement and the relation between the mouse movement and the cursor movement (570). Then PCA draws the cursor on the attached display according to new expected location (572).
  • PCA waits until MCD cursor is moved by MCD to new location as a reaction to recent mouse movement.
  • PCA acquires the new location of the MCD cursor (580).
  • PCA may acquire new cursor location by software component hosted by MCD that receives new cursor location from MCD's operating system and sends it to PCA.
  • PCA may acquire the new location of the cursor by analyzing the display frames that MCD sends to PCA to be displayed on the display attached to PCA.
  • PCA uses the new location of the cursor to build/improve the model of relationship between mouse movements and MCD cursor movements (582).
  • the model may be build using variety of machine learning techniques known in art. Quality of the prediction for new cursor location the model provides relatively to actual cursor location is considered next time the step 560 is evaluated.
  • System 600 is similar to system 100 with following difference. Instead of attaching display device 101 to PCA 120 as described in system 100, vehicle infotainment system 601 is connected to PCA 620 by means of USB connection (630 and 640).
  • the system 600 is capable of presenting display output rendered by MCD 110 on the display of VIS 601 attached to PCA 620.
  • MCD 110 encodes display output frames and sends them over wireless network 105.
  • PCA 620 receives display output of MCD 110 using wireless network 105 and presents it on the display of VIS 601.
  • PCA emulating storage device connected to VIS using storage device interface b.
  • PCA receives the display output stream of MCD over the wireless link
  • PCA converts the display output stream into AV format playable by VIS by means of storage device interface
  • PCA facilitates VIS to consume and present the converted AV stream on VIS display
  • the conversion of display output stream may include some combination of copying, trans-coding and transport format adjustment
  • Another method is provided transferring display output of PCA to VIS using MirrorLink protocol.
  • the method including the steps of:
  • PCA sends the converted display frames to VIS over MirrorLink.
  • PCA receives VIS keyboard/mouse events over MirrorLink protocol
  • PCA converts the keyboard/mouse events into appropriate wireless protocol.
  • PCA sends converted keyboard/mouse events to MCD over wireless link.
  • the conversion of display output stream may include some of copying, decoding and transport format adjustment

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne un procédé de connexion sans fil d'un dispositif informatique mobile à des périphériques externes, y compris un dispositif informatique mobile pouvant établir une connexion sans fil avec des périphériques et pouvant envoyer une représentation sans fil de son affichage à un appareil de connexion aux périphériques.
PCT/IL2015/050719 2014-07-10 2015-07-10 Procédé et appareil pour le fonctionnement sans fil d'un dispositif informatique mobile WO2016005989A1 (fr)

Applications Claiming Priority (2)

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US201462022882P 2014-07-10 2014-07-10
US62/022,882 2014-07-10

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WO2016005989A1 true WO2016005989A1 (fr) 2016-01-14

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US20140120829A1 (en) * 2012-10-29 2014-05-01 Qualcomm Incorporated Establishing a wireless display session between a computing device and a vehicle head unit
US20140118222A1 (en) * 2012-10-30 2014-05-01 Cloudcar, Inc. Projection of content to external display devices
US20140136148A1 (en) * 2012-11-15 2014-05-15 Microsoft Corporation Automatic determination of device specific interoperability
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Publication number Priority date Publication date Assignee Title
US20060136646A1 (en) * 2004-12-22 2006-06-22 International Business Machines Corporation Bluetooth association based on docking connection
US20090144456A1 (en) * 2007-11-30 2009-06-04 Alexander David Gelf Interface Device for Securely Extending Computer Functionality
US20100134336A1 (en) * 2008-12-02 2010-06-03 Jong Mo Sung Codec platform apparatus
US20130246565A1 (en) * 2011-09-19 2013-09-19 Qualcomn Incorporated Sending human input device commands over internet protocol
US20140059263A1 (en) * 2012-05-04 2014-02-27 Jpmorgan Chase Bank, Na System and Method for Mobile Device Docking Station
US20140120829A1 (en) * 2012-10-29 2014-05-01 Qualcomm Incorporated Establishing a wireless display session between a computing device and a vehicle head unit
US20140118222A1 (en) * 2012-10-30 2014-05-01 Cloudcar, Inc. Projection of content to external display devices
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US20140179230A1 (en) * 2012-12-24 2014-06-26 Jaroslaw J. Sydir Location-based selection of wireless peripheral devices

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