JP2010287222A - Projector device user interface system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide various user interface systems for use along with a related projector device when a plurality of presenters use the same projector. <P>SOLUTION: A method for interfacing a device to a projector includes identifying a network to which the device is connected, identifying at least one projector on the network, identifying the status of the at least one projector, enabling selection of the at least one projector based on the identified status, and transmitting data to the at least one projector depending on whether it is selected. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present disclosure relates generally to a user interface and a system for a projection apparatus related thereto.

This application claims domestic priority to US Provisional Patent Application No. 60 / 474,501, filed May 29, 2003, in accordance with 35 USC § 119.

In recent years, projection devices such as digital projectors have gained popularity as presentation tools for content to the audience. These projectors typically project a computer-generated presentation on the display surface and allow users to easily present a series of high-quality, professional-looking series of sizes to the audience. Used to do. As a result, these projectors are now often viewed as permanent equipment in conference rooms and other conference facilities.

Some projection devices are configured to allow a user to access a presentation by connecting his computer to the projector. Typically, a user must physically connect his computer, such as a personal computer or personal digital assistant (PDA), to a video projector. This process can cause problems for the presenter. For example, there may be compatibility issues between hardware and software on computers and video projectors. Further, the connection to the video projector may require multiple cables and / or adapters to allow the user's computer to connect to an available projector. It is not uncommon for cables and adapters to be lost or misplaced.

Thus, if a cable is used to connect a video source directly to a projector, there may be a problem when multiple presenters use the same projector. For example, when transitioning from a first presenter to a second presenter, the first presenter must physically connect a video source, such as a computer, to the video projector using an appropriate adapter and cable. . Thereafter, the first presenter is typically seated near the video projector. When the second presenter wants to present his presentation, the first presenter disconnects the computer from the video projector and perhaps the second presenter connects the new computer to the video projector using a different adapter and cable. It may have to be possible. Typically, the first presenter may have to exchange seats with the second presenter to provide space for the second presenter to connect to the video projector. This transition between the first and second presenters takes considerable time and may be disruptive to the meeting.

To address at least some of these problems (or other problems), connect (wireless or wired) to many different types of video sources, receive video data from the video sources, and from the data A video rendering device configured to render video, communicate with video sources and peripherals, and perform these functions with less input and effort from the user can be used.

The present disclosure includes examples of various user interface systems for use with video transmission / reception / rendering devices and associated projection devices. The user interface allows the user to control the video transmission / reception / rendering device and also controls the video presentation / reception / rendering device to control content presentation and management issues with the associated projection device. Can be configured to be available. The disclosed user interface system can be implemented in many different usage environments. Furthermore, the disclosed user interface system can be simple enough for use by less experienced users, but also has the ability to allow more experienced users to access advanced features.

The user interface of the disclosed projection apparatus can comprise several individual components. These are the installer, presentation manager (
(Configured to manage presentation of video by associated projectors), projector manager (configured to manage administrative problems with associated projectors)
, Uninstallers, and online help documentation, but are not limited to these. Various features of these components are described in more detail below. The present disclosure is Windows® and / or Apple®.
While providing an overview of the user interface by describing a specific implementation in the OS X environment, any environment such as PALM or other PDA operating environments can be used. As such, this disclosure provides only some operational details common to any operating system environment. Furthermore, the term “presenter” refers to a video source (eg, a computing device), a presentation device (eg, a digital projector),
And any video compression / decompression / transmission hardware, firmware, and / or software associated with these devices, used to describe the overall video presentation system.

1 is an exploded isometric view of a video projector and a video rendering device according to one embodiment. 2 is a graphical representation of a typical usage environment in which the embodiment of FIG. 1 may be implemented. FIG. 2 is a representative user interface for the system shown in FIG. 1, illustrating an embodiment of a projector selection window. FIG. 6 is a schematic diagram of another exemplary usage environment in which an example embodiment may be implemented. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a splashette image generated by a projector under selected conditions. It is an example of the flowchart which shows operation of an example of a user interface system. It is an example of the flowchart which shows operation of an example of a user interface system. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG. FIG. 4 is an example of a window that can be provided on a user device connected to a projector. FIG.

This indication is illustration and is not limited to the contents of an accompanying drawing. In these figures, like elements are given like reference numerals.

The disclosed user interface system can be used with any suitable video transmission / reception / rendering device and associated projection device. Examples of suitable devices are described with respect to FIGS.

Now, with particular reference to FIG. 1, a video display system is generally indicated at 10. The video display system 10 is typically a video projector or visual presentation
A projector 12 and a video rendering or video conversion device 14 are provided. For brevity,
The video rendering device 14 is configured so that the video is transferred from the video rendering device 14 to the video projector 12 for projection or presentation on a display surface.
12 is operably connected to or operatively associated with. Video rendering device
14 is configured to receive video from a plurality of different sources, and is further configured to automatically transmit video that can be projected to the video projector 12. Video rendering device
14 may further be referred to herein as a “video rendering module” or a “presenter module”.

Video projector 12 can be any suitable display device including, but not limited to, a liquid crystal (LCD) projector, a digital light processing (DLP) projector, and the like.

The illustrated video rendering apparatus 14 includes a main body 15. The main body 15 is configured to be selectively inserted at least partially into the attachment slot 17 in the video projector 12. Specifically, the main body 15 includes a projector connector 16. The projector connector 16 has a function of connecting the video rendering device 14 to the video projector 12. The projector connector 16 further has a function of transmitting or transferring a video that can be projected to the video projector 12. As shown in FIG. 1, the projector connector 16 can include a plug 18 configured to be received by a corresponding outlet 20 in the video projector 12 so that the video rendering device 14 can be directly connected to the video projector 12. Allows to be engaged or plugged. Mounting structures including latches 22, protrusions, pins, tabs, fasteners, screws, or other suitable supports can be used to hold the video rendering device 14 within the outlet 20. Or
Instead of an integrated connector, the projector connector 16 can also be remotely attached to the projector 12 via a cable and appropriate plug.

The body 15 of the video rendering device 14 can comprise at least one video receiver configured to accept a plurality of different data transfer devices. The video rendering device 14 can receive video from multiple sources by the data transfer device. The data transfer device can be a card, an expansion board, an adapter, or other suitable device. For example, the data transfer device may be a wired network card or a wireless network card (eg, IEEE 802.11a, 802.11b, 802.11g, 80
2.11x, wireless card, Bluetooth® wireless card, wireless LAN card such as ZigBee® wireless, etc.). In one example, the network connection card may allow communication between the device 14 and an independent source such as, for example, a remote computer, server, network, and the like. This communication allows an independent source to be connected to the projector, as described in more detail below.
After identifying and selecting 12, the video or presentation stored on the independent source can be sent to the video rendering device.

The video rendering device 14 further includes at least one peripheral device connector 36 on the body 15.
Can be provided. Peripheral connector 36 allows at least one peripheral device to be operably connected to video rendering device 14 that allows video to be transferred from the peripheral device to video projector 12 and vice versa. Configured to be. Peripheral device connector 36 can be any suitable connector. For example, peripheral connector 36 can be a universal serial bus (USB) port, an IEEE 1394 port, a parallel port, such as an enhanced parallel port (EPP), an enhanced performance port (ECP)
) Etc. can be a standard connector. Multiple peripheral connectors 15
Note that it can be provided above. Furthermore, the video rendering device 14
Can be provided with illumination such as a light emitting diode (LED) 30, which can be used for diagnostic functions, as described in more detail below. Alternatively, for example, when the video rendering device 14 is located inside the projector 12, the LED 30 can be arranged as a projector.

In other embodiments, selected functions and selected components of the video rendering device 14 can be integrally formed within the projector 12.

FIG. 2 illustrates a typical usage environment in which the video rendering device 14 may be implemented. Specifically, the video rendering device 14 is shown as being in the network environment 61. Network environment 61 may comprise a plurality of different devices such as computers, laptops, servers, handheld computers, and the like. The content of each presentation on the network device can be selectively transmitted to the video rendering device 14 for display by the video projector 12 by insertion of an appropriate network card into the video rendering device 14. As shown in the figure, the video projector 12 can display the transfer video on the display surface 65.

In one embodiment, a splatette function can be included in the device 14 and / or the projector 12. The splatette can include a small window that is displayed in the upper right corner of the screen (although other locations can be selected) with selected conditions such as activation / launch. For example, the remaining portion of the screen can be composed of a black background. A splatchet may contain various items and / or information. It will now be described in more detail below with respect to FIG.

As described above, the network connection card can be either a wireless network card or a wired network card. Instead of this, a projector
12 can have a wireless or wired network function integrally formed in the projector apparatus. Furthermore, it will be appreciated that a wireless network card can be permanently incorporated into the video rendering device 14. Wireless network card allows multiple users to alternately connect to a local area network and send video / presentation to a video projector without having to manually connect their computers individually to the projector To do. In addition, as long as the user's computer device can connect to the local area network and transfer data using standard protocols, the type and type of computer connected to device 14 is irrelevant. is there. No adapters or cables are required for the wireless connection (although you can use them if you wish). Therefore, the user can make a presentation from any position in the room or remotely from the room.

Such a system is particularly useful in a conference room environment where multiple people using the same projector system for presentations may be using different operating systems and / or platforms. For example, in FIG.
Computers (two portable computers or laptops 56 and 58, desktop computer 60, handheld computer 62 and telephone 64)
N is shown connected to the device 14. Any user can wirelessly connect to the video projector 12 via the video rendering device 14. Typically, the presenting user or current presenter either releases the currently active presentation to allow the second presenter to begin sending data to the device 14 for presentation, or Get out of this presentation.

Understand that any suitable computer or computing device can be used that connects wirelessly to a local area network and is capable of sending video or video URIs or other indicators to device 14 It should be. Computers as used herein include, but are not limited to, desktop computers, handheld computers, laptop computers, servers, mainframes, telephones, and the like.

Device 14 enables data transfer to video projector 12 by connecting a user's computer to the video projector. In one embodiment, the device 14 can communicate the name of the projector connected to the user's computer, while the name on the screen 65 when the projector is initially turned on. Can also be projected. Thus, when a user connects to the network where the projector is located, the project can be displayed as an icon or added to a list of projectors to which a computer can be connected. In this situation, the user can select a projector from a list of projectors to be connected to a particular video projector. A typical user interface is shown in FIGS.
8 and 10. A—shown in FIG. The exemplary user interface of FIG. 3 includes a selection window 66 for display on the computer screen 67, although other forms are possible. The user interface can include a projector icon 68. Such an icon can be used to identify currently available projectors on the network. For example, as shown in FIG. 3, “projector 1” is connected to the user's computer via device 14. Instead, the user
A desired projector may be selected from the projector list 70.

The user interface may further include a presentation file 72 configured to allow the user to store a presentation or video for display. When the user wishes to present a presentation, the local wireless network card can be inserted into a video receiver in the video rendering device 14. The user can then connect to the video projector and the device
As shown in Figure 14 that video and / or presentation can be sent,
It is possible to broadcast the name or identifier of the connected projector to the user's computer. The user can then select a presentation from the presentation file 72 and direct it to the connected projector via the projector icon 68. The user does not need to physically move his computer next to the video projector 12, nor does he need to plug or plug a cable adapter into his computer to be connected to the video projector (if the user desires I can) Instead, the user simply connects to the wireless network and directs the desired video or presentation to the projector. The user can remain seated all the time and does not need to move close to the projector during the presentation (although the user may wish).

As discussed above, data and / or video can be transmitted from the user's computer to the device 14 in various formats. For example, video files (screen shots or scrapes) corresponding to the display on the user's computer can be sent to the device 14. If desired, video data can also be transferred in other formats that use less transmission bandwidth.

Note that in some embodiments, a user's computer can send video data directly to the video rendering device 14. Alternatively, the user computer can send a universal resource indicator (URI) to the video rendering device 14.
Can be transmitted, which directs device 14 to the appropriate location to obtain the desired video / presentation.

As discussed above, wired network cards can also be accepted into the video receiver. Of course, the wired network card could be permanently integrated into the video rendering device 14 without departing from the scope of the present disclosure.

A typical network environment is shown in FIG. As shown, the video rendering device 14 can be directly connected to the LAN 74 via a wired and / or wireless network card. Furthermore, the video rendering device 14 is connected to the second LA through the LAN 74.
It can be connected to a WAN 78 such as N 76 and / or the Internet. Furthermore, the video rendering device 14 is connected to the remote server 80 or the user device via the LAN 74.
82 can be connected. With such a configuration, the user can perform a presentation on the video projector 12 from a remote location.

Note that the video rendering device 14 can be small and portable. Typically, the video rendering device 14 can be much smaller and lighter than a conventional laptop. In addition, no user input device such as a keyboard or mouse is required (although it can be provided if desired). The above device
It can be an automatic rendering engine configured to automatically acquire video and send it from a first source to a video projector for display.

As described above, a user interface can be used with the system to allow the user to perform various functions such as transferring and projecting video. In one example, the user interface is as described above, but various other things can be used. In one such alternative embodiment, the user interface may include components such as an installer, presenter manager, projector manager, uninstaller, and online help documentation.

The installer can be used to allow the user to install the software necessary to use the presenter module (controlling the presentation from the user's computer to the projector over a wireless network). In addition, the installer allows the user to identify the directory where they want to install the software, select a desktop shortcut, and automatically launch the user manual and presenter manager application when the installation is finished. In addition, it can also provide testing of any provided wireless PC card.

The presenter manager component allows the user to select and personalize the projector's projection range, projection start and end. In addition, it allows the user to adjust presenter module settings. For example, if you wish, you can change the name of the presenter module and the presenter module network to specify the presenter module's IP address and / or reset the presenter module settings to factory settings . This component is a presenter
It can be separated from the software. For example, it can be on the presenter installation CD.

The uninstaller allows the user to easily uninstall the presenter software.

Online help documentation can provide users with easy access to online help.

Now, referring to the presenter manager in more detail, for example, when a user launches the presenter manager running on his computer, a window can be opened with its normal display as shown in FIG. It is. Upon startup, the presenter manager takes a snapshot of the user's current wireless local area network (WLAN) settings, uses the projector and / or video rendering device found in the current WLAN, and is also used last. (MRU, or “most recently used
) ") Five video rendering devices can be included in the list of projectors.
Projectors on current WLANs can be found in any suitable way. A suitable way to find projectors on the WLAN is to send notification messages or “beacons” and / or broadcast or unicast beacons that the projectors and / or video rendering devices announce their presence and / or availability. This includes, but is not limited to, monitoring a multicast address on the configured WLAN. In this example, the last five devices used may be included, but this is just an example and the last used more or less (or zero) units or previously Note that the devices used can be listed. Further details of the operation of the presenter manager are shown in FIG. A
, FIG. Provided below for B.

As shown in FIG. 5, the list of projectors can have three columns: projector, ID value, and status. By default, if desired, the primary sort is "state" and the secondary sort is "projector name", but other sort methods can be used. . The first available projector in the list is highlighted by default. If there is no projector available in the list, the first unknown projector is highlighted by default. For example, the user can move the highlight bar by pressing the up and down arrow keys or with the mouse. Of course, although the illustrated embodiment includes a list of projectors, it is possible to include other types of video display devices in the list. An example is
Including, but not limited to, a rear projection display device.

The “Status” column indicates whether each projector is “Available”, “In Use” or “Unknown”, but other identifiers may be used, It is possible that only identifiers are used. If the projector is in use, its name can be grayed out (if it is not the projector currently in use by the user). If there is only one projector available in the list, it can be selected by default. For example, if it is one of the last five projectors used but not on the current WLAN, the projector state may be “unknown”.

The projector may be removed from the list when the beacon is no longer heard and is the same as when the WLAN settings were last checked and the attempt to connect to that projector failed. If not, the projector remains in the list and becomes “unknown”. However, the user can also manually delete the projector from the list.

Note that listening to the beacon and adding / removing devices to the list based on the beacon may have problems. For example, a value that is too short may result in repeated additions and deletions of projectors from the list. Conversely, values that are too long may result in inaccurate conditions. Thus, in one example, the time to listen for a beacon on a PC-based device is approximately 5 beacon intervals (ie 2
While on a Mac-based device, that value may be set to about 9 beacon intervals to obtain the desired performance. However, in alternative embodiments, a common listen time can be used for all devices. These values are also used by PCs with different antennas and so that users in different environments can adjust to values suitable for their needs.
Can be added to the above registry and Mac personal settings file.

In one example, the last or previously used device MRU list may be updated based on whether the device was successfully used. If successful,
It can be added to the list. In addition, if the WLAN is the same and no beacon is detected, the device may remain in the list with an “unknown” status. If the user tries to connect to it and it is not available, an error can be displayed and then the projector can be removed from the MRU list.

When an available or unknown projector is selected, the “Project! (P)” button in the figure may be the default button. If no projector or device is found, or if no projector or device is selected, the “Project!” Button can be disabled. Note that in this example, the user can simply select an available or unknown projector and the projector in use can be grayed out in the list.

When the user selects an available projector and clicks the “Project!” Button (or hits the Enter key), the screen scraping application is launched. When the screen scraping application is launched (ie, the user's desktop was obtained as a projected video), the button switches to “stop (p)” and the state of the selected projector or device is in use Switch to show that However, unlike a projector that is being used and grayed out by another person, the projector that is being used by the user is not grayed out.

If there is a delay between clicking the “Project !!” button and displaying the projected image, the user can also allow the software to see some visual feedback as the button is pressed. . If the delay is only 2 seconds, keep pressing the “Project!” Button for 1 second to give feedback to the user that something is happening and click the button again It is possible to prevent this. If the delay is longer than 2 seconds, some other feedback can be provided. For example, the text in the lower right corner of the screen can be used to describe "A wireless link is being established. Please wait."

If the user selects a projector that is in an “unknown” state and clicks the “Project!” Button, the current network activity is interrupted and the program is looking for an available device or projector If so, a warning dialog can be provided to notify the user that any application using the file on the network should be closed. After this point, the dialog is dismissed and replaced with a progress dialog that can be used to indicate the search progress.

Then, one of the following three may occur (when the user selects a projector or device whose status is "Unknown"): (1) The projector or device is not found (eg, it is out of range) Or is turned off). In this case, a warning dialog as shown in FIG. 6 can be generated. (2) The projector is found but in use. In this case, a warning dialog as shown in FIG. 7 is generated.
Or (3) a projector is found and available. In this case, the user's desktop content (or some other selected file) is projected onto the screen.

As long as the user is not currently projecting, the “Search (S)” button may be valid. `` Search (
Clicking on the “S)” button will also issue a warning dialog, followed by a progress dialog as described above. If more presenter enabled projectors or devices are found, they can also be displayed in the list.
If no more projectors or devices enabled by the presenter are found, the progress dialog can be replaced with a dialog describing that no more projectors or devices enabled by the presenter were found.

When an available projector or device (ie, the projector or device that the user is currently using) is selected, the “Settings ... (t)” button can be enabled. Clicking on it opens a settings dialog that allows the user to adjust various settings. Settings include: presenter name, network name, and IP address (the user can choose to obtain an IP address automatically or specify an IP address, netmask, and gateway) it can). The presenter module's MAC address can also be provided as read-only information. While projecting, the “Settings ... (t)” button is still available, but the contents of the settings dialog can all be read-only to reduce presentation confusion. A diagnostic tab may be provided to allow the user to flash the LED 30 on the projector or video rendering device to confirm proper connection and / or restore factory settings. The diagnostic tab can also indicate the location of the LED on the projector or device, such as on the video rendering device 14.

In addition, a password can be set and used from the setting dialog. The user does not need to set a password because there is no password by default. However, any user can select and change the settings of the module of the video rendering device. If the user is interested in changing the settings of the presenter module by others, the settings can be protected with a password. To set the password, the user clicks a button in the settings dialog and displays a password dialog that allows the user to set and confirm the password. If a password is set, the next time the user opens the setting dialog, all the settings and controls are read-only, and the password is required to be changed. If the user only changes the module name of the video rendering device, the user will still be in communication with the module of the video rendering device. If it is being projected when the user changes the name, the projection continues and the name is updated in the list. If the user is not projecting, the splatette is itself updated with a new name, which is also updated in the projector manager's list.

When the user clicks the “Display personal settings (e)” button in the normal display, the window can be expanded and the button can be switched to “Hide personal settings”. With the extended display, for example, the user can be given access rights to application-specific personal settings. The Show / Hide Personal Settings button may always be enabled,
Personal settings that cannot be changed during projection can still be disabled by the user during projection. FIG. 8 shows an example of an extended display window of the presenter manager.

The resolution slider can be provided with more than two (or fewer if desired) graticules. It is also possible to display the text in the table below in the tooltip for each tick mark.

スライダのつまみは、中央の目盛のような任意の目盛にすることができる。その後、ユ
ーザは、Ctrl-Rを押すことによって入力を解像度スライダに移動させ、キーボード上の左
右矢印キーを使用して（あるいはマウスを使用して）スライダのつまみを前後に移動させ
ることができる。解像度スライダ上での選択は、ユーザが投影するとき、また、ユーザが
投影を止めるときに呼び出され、ユーザの以前の表示解像度設定（もし異なれば）を回復
することも可能である。デスクトップ表示がユーザの現在の表示設定から変更されるとき
には常に、ユーザが「投影！(P)」ボタンをクリックした時点で警告ダイアログを表示す
ることが可能である。たとえば、ユーザのシステムがサポートされていない解像度（たと
えば1400×5200）である場合、または、ユーザがスライダ上の選択を変更して、ユーザの
現在の表示設定とは異ることになった場合には、警告ダイアログを表示することが可能で
ある。

The slider knob can be any scale, such as the center scale. The user can then move the input to the resolution slider by pressing Ctrl-R and move the slider knob back and forth using the left and right arrow keys on the keyboard (or using the mouse). The selection on the resolution slider is invoked when the user projects and when the user stops projection, and can restore the user's previous display resolution settings (if different). Whenever the desktop display is changed from the user's current display settings, a warning dialog can be displayed when the user clicks the “Project!” Button. For example, if the user's system has an unsupported resolution (for example, 1400 x 5200), or if the user changes the selection on the slider to be different from the user's current display settings Can display a warning dialog.

Continuing with FIG. 8, the check box for “list the last five projectors I used” is checked in the default state. If the user unchecks this box, the last five projectors used (current WL
(Not on AN and not currently in use) can be removed from the list. Various other default check boxes that can be unchecked by the user can also be shown.

5-8 and the corresponding description, on the other hand, described an exemplary portion of the user interface, various other methods can be used. For example, an interface configured to be used with a Mac system can also be provided. Examples of changes that can be used are: a system that can be automatically provided in the menu bar for any application that can have a “display information” function; A system that can use other functions such as sheet dialogs to use; or a system that can not use the right-click function of a mouse button.

Now, with reference to FIG. 9, an example of a splash screen (ie, a splash) will be described. The splatette can be a small or large window displayed in the upper right corner (or other area) of the screen. A splatette can include one or more of the following fields, or combinations thereof:
Name: Name of the presenter projector;
Unique ID: Presenter unique ID (can be derived from MAC address);
WLAN: presenter network name;
Model: Projector model;
Version: 1.0.xx (can be light gray);
IP address (can be light gray).

Note that a USB test that checks for the presence of USB communication can be performed at bootup. If none are found, an asterisk can be used to indicate it.

The presenter splatchet is displayed in various operating conditions such as when the projector is turned on, when the MI connector is the source, when the presenter module is connected, and / or combinations thereof It is possible. The splatette can be 32 characters long to allow descriptors and 20 characters for each field, but can also be smaller or larger. In addition, the latest logo and color scheme can be incorporated into the title bar area if desired. If desired, field characters can be bold or italicized.

Various other messages can be displayed via the splatette with the same boarder and font as above. However, if desired, the gray scale and title bar can be removed. For example, the following message can be generated and displayed by the server: Authentication (eg, if the security box is checked and the user attempts to project the graphics Communication device not found; WEP incompatible (
For example, when a device is not WEP capable and tries to join a WEP capable SSID); and / or a thermometer upgrade (not generated by the server).

Now, FIG. A, FIG. With reference to B, a flowchart of an example user interface routine for selection and projection is described.

Initially, block 1001 represents a manager subroutine (here, such as the projector manager described above) that is activated by the user. It snapshots the user's current wireless local area network (WLAN) settings. afterwards,
In block 1002, the five projectors or devices last used by the user and the projector on the current WLAN are displayed in a list of identified projectors or devices that can be utilized. Here, an example of a list is shown and described above with respect to FIG. Next, at block 1003, the user determines whether the desired projector is in the list. This determination can be based on a comparison of the name and ID values in the list with information being projected by the desired device, such as via a splatchet.

If the desired projector (or other device) is in the list, then at block 1004, the user determines whether the desired projector or device is available based on the information displayed in the list. Judgment can be made. If the desired projector or device is not available, the user can continue to block 1005.
Alternatively, if it is available, the user highlights the desired available device and then clicks block 1006 to click on the “Project!” Button.
Can follow. The user's desktop can then be projected via a device as described herein below with respect to block 1014.

At block 1005, the user can determine whether the desired projector is in use (eg, another user is currently transmitting and projecting). If not, the device may be an unknown device and the user then continues to block 1007. Alternatively, if the device is in use, the user can continue to block 1008. At block 1008, the projector is grayed out in the list and the user may not select a device.

Instead, in block 1007, the desired projector has an “unknown” state, and the user can highlight the projector to project the video. Thereafter, in block 1009, the interface indicates whether the unknown projector can detect other wireless local area networks that can be networked. If so, at block 1010, a warning informs the user that there may be a temporary network connection failure. Thereafter, in block 1011, the user interface determines whether an unknown projector is in range. If not, at block 1012, the user interface provides a warning to the user stating that the desired projector is either out of range or turned off. Alternatively, at block 1013, the user interface determines whether the desired projector is available. If so, the user can then block 1014 to project the desktop video to a device that can be projected on the screen, for example.
Can follow. Thereafter, when the user completes the desired projection, at block 1015, the user can click Stop Projection to close the application. Finally,
Thereafter, at block 1016, the previous WLAN settings are restored.

When the desired projector is not available from block 1013 (eg, in use), at block 1017, the user interface provides a warning to the user stating that the desired projector is in use. User OK from either block 1012 or 1017
When clicking, the user interface returns to block 1012.

When the desired projector is not in the list from block 1003, the user selects "Search (S
) "Button can be followed to block 1018 to select. Thereafter, in block 1019, the user interface determines whether any other wireless local area network has been detected. If not, at block 1020, the user interface provides a warning to the user indicating that no other projector is available. Alternatively, when another network is recognized, at block 1021, the user interface provides a warning to the user that the network connection may have been temporarily lost there. At this point, the user can cancel the operation and return to block 1002. Alternatively, if the user selects OK at block 1021, the user interface searches for all modules that have the selected 802.11 internal basic service set (IBSS). In other embodiments, a basic service set (BSS) mode can be used. Next, at block 1023, the user interface determines whether another video has been detected. If not detected, a warning from block 1020 is provided. Alternatively, if detected, the user can instead present other video rendering devices in the list at block 1024.

The above-described user interface can be provided as a way for a plurality of users to effectively use a multi-projection system that is simple and easy to use.

However, in any case, the update manager can be backward compatible and various because the underlying software and / or firmware may often be upgraded and different devices may be updated at different frequencies. It can be provided to allow other functions.

For example, when a new version of the video rendering device firmware becomes available, the user will be able to update the module's firmware via an update routine. Users will probably find the self-extracting ZIP from the website
The file will be downloaded, but other methods can be used. One embodiment of the update routine is described below.

Specifically, for example, when the user double-clicks a ZIP (registered trademark) file, the update routine self-extracts and the screen of FIG. 11 is displayed. When the user clicks the “Next (N)” button, the screen of FIG. 12 is displayed. This screen is for projector and / or
Or a list occupied by other devices found (all boxes are unchecked by default). For example, the list can be populated with projectors enabled by presenters on the current WLAN. If the projector is not in the list, or if the desired projector is not in the list, the user can click the “Search (S)” button (the operation of which is described above). If other WLAN
May be detected, the “Search” button may result in a warning dialog,
The user is notified that current network activity may be interrupted during the search. If the user clicks OK, a progress dialog can be displayed. When more presenter enabled projectors are found, they can be displayed in a list (even if the search continues). When the search is complete, the progress dialog is closed. If no more projectors are found upon completion of the search, a dialog is displayed indicating that no more projectors enabled by the presenter were found. The user then checks the desired projector.
It is possible to put a mark and click "Update (U)".

For example, if the user checks “The Boss” in FIG. 12 (has a newer version of firmware), the warning in FIG. 13 causes the software to overwrite the new version. Displayed to indicate that it may be installed. The user then clicks on the update in FIG. 12 (or in FIG.
When OK is clicked), the screen of FIG. 14 is displayed. Thereafter, the state of each presenter module is dynamically updated as the update routine proceeds (FIG. 14).
.

The update routine operates through a list of projectors and as it proceeds, FIG.
As shown in FIG. 5, the status of each projector (indicating an updated status that is changed in the list) is provided. For example, if a particular presenter module is successfully updated, its state can be cycled through the following text: Waiting (0% complete)
In progress (1-100% complete), reconfiguring (100% complete), and updated (100% complete). FIG. 16 shows yet another example update of a state that is changed in the list.

If the selected presenter module becomes unavailable before the update routine reaches it, or while it is being updated (eg, it is powered off, or If it goes out of scope, its state is changed to “not available” and it can stay in the same position in the list. The update routine then
You might try it. And if it is still “not available”, the update routine will move to the next presenter module. If the update routine fails to update the module three times, for example, its state will be changed to “failed”.

The presenter module has been updated, but the following message can be projected on the screen: "Presenter firmware update is in progress. Please wait."
When the update routine has gone through the list of selected presenter modules, the last screen shows the result of the update. FIG. 17 shows a 100% success rate. FIG. 18 shows what the screen will look like if one of the updates fails. If the user clicks the “Back” button in FIG. 17 or FIG. 18, the screen shown in FIG. 12 is displayed after being refreshed to reflect the current firmware version and status. Is possible.

Another optional feature of the projection system is wired security. If the "Enable security" checkbox (located in the personal settings part of the user interface described above) is not checked, all its behavior is as described earlier in this disclosure. . User enables security in personal settings dialog
There is a difference in how applications, users, and video rendering devices interact when clicking on a checkbox. This difference may allow security key (who / response) negotiation as well as encryption of the presented data.

For example, when the user clicks the “Project!” Button and security is enabled, who and what is presented to the user via several user interface components. One is a splash-type screen (video rendering message) through a video rendering server and a projector. On this screen, for example, who and what fonts of 16 points or more are displayed to the user. At the same time, on the laptop side (in the case of a laptop), a dialog can be displayed that asks the user to enter a "who code" or a character string to be displayed on the screen. When the user enters the correct code, a secure session is allowed. At this point, the data being connected is encrypted. Any type of encryption can be used depending on the desired system specification and depending on the desired security level. What is wrong, “Projection! (P
) "Click and force the user to start the sequence from scratch. An error message is sent to the user by the PC, and no matter what code fails, "project!
It is possible to prompt to retry by pressing (P) ".

Another additional dialog can be added when security is enabled. That is, during key negotiation (after the user clicks on “Project !!”), a quick dialog can pop up to say “A secure channel has been established”.

Although the present disclosure includes specific embodiments, since various modifications are possible, the specific embodiments cannot be considered in a limited sense. The subject matter of this disclosure includes all new and non-obvious combinations and sub-combinations of the various elements, features, functions and / or properties disclosed herein. The claims particularly point out certain combinations and subcombinations regarded as new and non-obvious. These claims may refer to “one” element, or “first” element, or equivalents thereof. Such claims should be understood to include the use of one or more such elements without requiring a plurality of such elements. Other combinations and sub-combinations of features, functions, elements, and / or properties may be claimed through amendment of the current claim or through the presentation of new claims in this or related applications. Such claims, whether broader, narrower, equivalent or different from the scope of the original claims, are considered to be included within the subject matter of this disclosure.

10 video display system, 12 video projector, 14 video rendering device (video conversion device), 61 network environment, 66 selection window, 68 projector icon, 70
Projector list, 72 presentation files, 74 LAN.

Claims (24)

A method of connecting a device to a projector comprising:
Identifying the network to which the device is connected,
Identifying at least one projector on the network;
Identifying the state of the at least one projector;
Allowing the selection of the at least one projector based on the identified state, and transmitting data to the at least one projector depending on whether it is selected. The method of claim 1, wherein the data to be transmitted is video data received by the at least one projector displayed on a screen by the projector. The method of claim 1, wherein the status indicates whether the at least one projector is available to receive data.   The method of claim 1, wherein a plurality of projectors are identified on the network.   The method of claim 1, further comprising disabling transmission of the data. A method of connecting a device to a projector comprising:
Identifying the wireless network to which the device is connected,
Identifying a list of projectors on the network;
Identifying each state of the projector;
Enabling the selection of any of the projectors based on the identified state of any of the projectors, and transmitting data over the wireless network to the selected projectors. The method of claim 6, wherein the list includes projectors that are not on the network. The method of claim 7, wherein the list includes previously used projectors that are on the network or previously used projectors that are not on the network. The method of claim 6, wherein the status indicates whether one of the projectors on the list is available to receive data. The method according to claim 6, wherein the data to be transmitted is video data received by the selected projector displayed on a screen by the projector. The method of claim 6, wherein the status indicates whether one of the projectors on the list is in use. The method of claim 1, further comprising disabling transmission of the data to the selected projector, thereby changing the state of the selected projector. A method of connecting a device to a projector comprising:
Identifying the wireless network to which the device is connected;
Identifying a list of projectors,
Identifying the status of each of the projectors on the list;
Enabling searching for projectors on the list that are not found on the network;
Enabling a selection of a projector based on each identified state of the projector, and transmitting data to the selected projector over the wireless network. The method of claim 13, wherein the list includes projectors that are not on the network.   The method of claim 13, wherein the list includes previously used projectors. The method of claim 13, wherein the list includes projectors on the network. The method of claim 13, wherein the status indicates whether one of the projectors on the list is available to receive data. 14. The transmitted data is video data received by the selected projector displayed on a screen by the projector, and a screen saver on the device is disabled during the transmission. the method of. The method of claim 1, further comprising disabling transmission of the data to the selected projector, thereby changing the state of the selected projector. A projector configured to be connected to a wireless network;
A computer readable storage medium storing instructions for connecting a device to the projector, the instructions comprising:
Instructions for identifying a list of projectors on the wireless network;
Instructions for identifying the status of the projector on the list;
Instructions for enabling selection of at least one of the projectors on the list based on the identified state;
An instruction to transmit data to the at least one projector depending on whether it is selected or not. 21. The system of claim 20, wherein the projector is configured to project identification information regarding the projector under selected conditions.   The system of claim 21, wherein the selected condition includes an initial startup. A method of connecting a device to a projector comprising:
Displaying a list of projectors,
Identifying the status of each of the projectors on the list;
Enabling a selection of a projector based on each identified state of the projector, and transmitting data to the selected projector over the wireless network. 24. The list includes at least one previously used projector.
The method described.

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