JPH11191027A - Computer presentation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow an announcer, etc., to easily perform software control and writing to an image, etc., at hand by generating a presentation control command in accordance with an input energized by a pen. SOLUTION: A computer presentation subsystem 22 is configure so as to facilitate presentation on a display 32. A remote control presentation device 24 remotely is connected to the subsystem 22 and has a pen response surface 40 and a pen 42 which energizes the surface 40. It produces a presentation control command in response to an input energized by the pen 42 and sends the presentation control command to the subsystem 22 in order to remotely control presentation on the display 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to overhead projection.
(OHP)
The present invention relates to a remote control device for a computer presentation device, such as a portable computer or a computer projector display panel used in (on).

[0002]

BACKGROUND OF THE INVENTION The popularity of portable computing devices has grown at a rapid pace. Computer users want to carry files and applications as they move around and travel. As part of this portability boom, there has been an increasing trend to use portable computing devices for presentations. Such portable computing devices, usually implemented as portable computers or computer projector display panels,
Store slides electronically, allowing for controlled ordering of slides during a presentation. The slide is drawn on a screen of the device (such as a laptop display) or projected onto a large projection screen. Often, the pointer is active on the screen so that the presenter can manipulate the pointer to draw attention to a particular surface. The movement of the pointer is generally controlled by an embedded pointing device on the computing device.

[0003] In computer presentations,
Presenters can create more dynamic presentations using video, graphic animation, enhanced colors, programmable slide timing, and sound synchronization. The person giving the presentation can use the remote control device to control the presentation from a remote location and be free to walk away from the computing device. Conventional remote control handsets have been configured to control slide selection,
Display on-screen and enter information to incorporate into your presentation, as well as volume, contrast,
The presentation parameters such as brightness could not be adjusted.

[0004] To address this problem, manufacturers have
We started designing a remote control that could control the movement of the pointer on the display or overhead projection screen. As an example, Redford U.S. Pat.
39095 describes a hand-held multimedia pointing device capable of controlling the movement of a cursor on a display from a remote location.

[0005]

SUMMARY OF THE INVENTION The present invention provides an improved prior art remote control for use in computer presentations.

[0006]

SUMMARY OF THE INVENTION A computer presentation system has a computer presentation subsystem, such as a laptop display or overhead screen, configured to provide a presentation to a display. The computer presentation system also includes a pen-based remote control presentation device that is remotely coupled to the computer presentation subsystem via a radio data communication link, such as radio frequency (RF) or infrared (IR). The remote control presentation device has a pen responsive surface (eg, a touch sensitive pad, a touch screen, etc.) and a pen that activates the pen responsive surface. A pen-based remote control presentation device is responsive to input activated by the pen to generate presentation control commands and to send presentation control commands to a computer presentation sub-computer to remotely control a presentation on a display. Send to system.

In accordance with one aspect of the present invention, a pen-based remote control presentation device includes a presentation mode in which the remote control device is used as a presentation device and a portable remote control device that is independent of the remote control device.
It has a mode controller that allows the user to switch between a portable mode that acts as a personal digital assistant (PDA).

In accordance with another aspect of the present invention, a pen-based remote control presentation device presents the same slide on the touch screen as the slide shown on the presentation display. The remote presentation device allows the presenter to enter a free-form handwritten pattern on the pen response surface to provide assistance during the presentation of some slides. Thus, the person giving the presentation can use the remote device to mark the slide during the presentation. This free-form pattern can be handwritten text that outlines the gist of the presentation, an underline or emphasis mark that emphasizes certain aspects of the slide, or a "doodle" mark that is randomly created in the context of the presentation There may be things. The remote control presentation device has circuitry for detecting a handwritten pattern and transmitting a command indicative of the pattern to a computer presentation device where the pattern is displayed on a presentation display.

In accordance with another aspect, a pen-based remote control presentation device incorporates a number of features used for computer presentations.
The remote presentation device has a volume control knob for adjusting the volume of the presentation, a contrast adjustment knob for adjusting the contrast of the presentation, and a brightness adjustment knob for adjusting the brightness of the presentation. These adjustment knobs are buttons on a remote control presentation device or soft keys displayed on the device touch screen.

[0010]

FIG. 1 illustrates a computerized presentation system 20 constructed in accordance with one embodiment. The computerized presentation system 20 includes a computer presentation subsystem 22 that supports computer assisted presentations, and a pen-based remote control that interacts with the computer presentation subsystem 22 to remotely control the presentation. It has a presentation device 24.

In the illustrated embodiment, computer presentation subsystem 22 includes computer 26
And a conventional overhead projector 28. The computer 26 is a portable computer,
More specifically, it is implemented as a laptop computer. This computer has a central processing unit (CPU)
LCD detachable from CPU 30
It has a removable display 32 such as a screen. When removed, the display 32 can be changed to a projector panel that rests on the light surface of the projector 28 during the presentation. A cable 34 interconnects the CPU 30 and the display 32. As one example, Chen, US Pat.
1965 has a removable backlight
A laptop computer having a cover is described. The backlight cover is removed from the display, changing the display from a laptop screen to a projector panel through which light can pass.

Computer 26 facilitates electronic presentations having visual images rendered on display 32. This image may be a simple black and white text outline, or a collection of color graphics and photos, or a short motion video clip, or a computer animation. Computer 26 may also cooperate with the visual images to provide a brief audio presentation to provide a multimedia presentation.
clip, audio clip)
Supports speakers (not shown). Display 3
The image drawn on 2 is projected onto an overhead screen 36 via an overhead projector 28.

The computer 26 also includes a computer
It generates presentation aids, such as pointers 38, which are drawn on screen 32 and projected onto overhead screen 36. The pointer 38 can be implemented in many different shapes and sizes. The word "pointer" refers to the cursor, entry bar
(entry bar), shall include moveable graphical symbols or icons, and other indicators, which can typically be controlled by a mouse or arrow keys on a keyboard.

It should be noted that while one embodiment of the computer presentation subsystem 22 is shown for discussion, other implementations are possible. For example, computer presentation systems can be used for presentations in large meetings,
It may be a computer without an overhead projector, where the slides are displayed on the screen of a computer display. The computer presentation subsystem may include other types of portable computers (eg, notebooks, sub-notebooks, handhelds, PDAs, etc.) alone or in combination with an overhead projector. The computer presentation system may alternatively be implemented as a computer projector display panel or other device that creates and controls the presentation electronically.

[0015] A pen-based remote control presentation device 24 is a portable device that can be located remotely from the computer presentation subsystem 22 so that the presenter can remotely control the presentation. It is an electronic device. The remote control presentation device 24 has a pen responsive surface 40, a stylus or pen 42 for energizing the pen responsive surface, and a control panel 44 for controlling various presentation parameters such as volume, contrast, and brightness. Pen response surface 40
Is preferably implemented as a touch-sensitive visual display screen, but can also be implemented as a touch-sensitive pad.

A person giving a presentation controls the presentation using pen-energized input. That is, the person giving the presentation can manipulate the pen 42 across the various areas of the surface 40 to select, for example, a slide or add emphasis to the drawn slide content.
Enter presentation information. Remote control presentation device 24 detects pen touch and generates commands in response to pen-energized input. The presentation device 24 sends presentation control commands to the computer presentation subsystem 22, preferably via a wireless data communication link 46 to the computer 26. Computer C
The PU 30 uses this control command to draw on the display 32 and thus
Control the presentation projected on screen 36.

The wireless data communication link 46 uses short-range RF
It can be provided using existing technologies such as (radio frequency), infrared (IR). In a preferred embodiment, I
R is performed according to the protocol of the Infrared Data Association (IrDA). FIG. 1 further shows that the control command is RF
Remote control presentation device 24 having RF antenna 48 for transmitting to computer CPU 30 as a signal
Is shown. However, in other embodiments, physically connected links are used to connect the remote control presentation device 24 and the computer presentation system 20.

The remote control presentation device 24 can also simulate on the screen 40 a pointer representing the pointer 38. The person giving the presentation manipulates the pointer on the touch panel screen using a pen. With these pen operations, the simulated pointer is displayed on the touch screen 4
0, so the real pointer 38 moves on the overhead screen 36 accordingly.

FIG. 2 shows a preferred embodiment of the handheld remote control presentation device 24 in more detail. The device comprises a housing or housing 50, a touch panel screen 40, a stylus or pen 4
2, including a control panel 44 and an antenna 48. The touch panel screen 40 is backlit for viewing in a dark or dim room during a presentation. The person giving the presentation can input data and control commands by touching the pen 42 to the touch panel screen 40.

The control panel 44 includes control buttons for operating the presentation device 24 as a multimedia presentation controller. The control panel 44 has a volume control knob 54 that allows the person performing the presentation to remotely adjust the volume of the presentation. When the presenter raises or lowers the volume by turning the volume control knob 54, the remote control presentation device 24 generates a volume control signal that is transmitted to the laptop computer via the RF antenna 48. Sent to raise or lower audio speaker output. The control panel 44 also includes a contrast adjustment knob 56 that allows the presenter to remotely adjust the contrast of the presentation, and a brightness adjustment knob 58 that allows the presenter to remotely adjust the brightness of the presentation. Having.

The state adjustment button 60 allows a person giving a presentation to check the operating parameters of the remote control presentation device 24. When the presenter depresses status button 60, a status panel is displayed on screen 40 indicating parameters such as battery level, presentation summary, slide number, elapsed presentation time, and the like.

The control panel 44, instead of the above, uses hardware as a control knob as a physical entity.
It can also be implemented in the form of a menu displayed on a touch screen that is displayed as soft keys instead of buttons.

The remote control presentation device 24
In addition, it may have its own touch panel screen 40 brightness and contrast controls. These local brightness and contrast controls may be implemented as dedicated hardware buttons on device 24 by using buttons 56 and 58 in separate modes of operation, or may be implemented as screen buttons. It may be realized as the above soft key.

In the illustrated embodiment, the remote control presentation device operates in two different modes: (1) Presentation mode. In this mode,
The remote control presentation device is used as a presentation input device. (2) Portable mode. In this mode, the remote control acts as a portable personal digital assistant (PDA). The control panel 44 indicates that the person giving the presentation
Includes a selection control button 62 that allows toggling between the two modes of operation. Panel 44 also has two indicators 64 and 66 that indicate the currently operating mode. For example, when the remote control presentation device is operating in the portable mode, the "Portable" indicator 64 is active. The person giving the presentation then selects the selection control button 6
2 can be pressed to switch the mode to presentation mode. This action deactivates the "portable" indicator 64 and causes the "remote control"
(RCtl) "indicator 66 becomes active. In the preferred embodiment, indicator 64 and indicator 66
Is a light emitting diode (LED) that is turned on in the active state and turned off in the inactive state.

In another embodiment, the presentation capability is implemented not as a dedicated mode of operation, but as a function implemented by software incorporated into the portable presentation device. The person giving the presentation activates the presentation function in the same manner as selecting a notepad application or an e-mail application. In this embodiment, the remote control presentation device is configured with dedicated buttons or is configured using an on-screen menu to select various functions (ie, presentation, email, notepad, etc.). Is done.

FIG. 3 shows a functional block diagram of the remote control presentation device 24. The device includes a touch panel screen 40 comprising a screen and a touch panel overlaid on the screen. Stackable touch panels detect contact with a finger, pen, or stylus. The screen below is a display device such as an LCD screen. Detection circuit 70
Is connected to the touch panel screen 40, detects contact points on the touch panel, and generates data in the form of coordinates indicating the contact points. In one embodiment, the detection circuit is a digitizer that generates digital coordinate information based on the touch input.

The remote control presentation device 24
It includes a processor 72 coupled to the detection circuit 70. The coordinate data generated by the detection circuit 70
2 and stored in memory 74. If the mark is to be displayed on screen 40, processor 72 generates display data based on the coordinate data and sends the display data to display driver 76 for display on touch panel screen 40.

Input buttons 54 to 60 on control panel 44
Is coupled to the processor 72. The input buttons include a volume adjustment knob 54, a contrast adjustment knob 56, a brightness adjustment knob 58, and a state adjustment knob 60. Processor 72 receives the electrical signals from the control buttons and processes them to provide the desired control function. Signals received from the volume control knob, the contrast control knob, and the brightness control knob are prepared by the processor to be sent to the laptop computer via a wireless data link to control presentation parameters.

The remote control presentation device 24 also includes a transceiver 78 for transmitting data to a presentation computer or another compatible electronic device. Examples of the types of data transmitted by transceiver 78 to the presentation computer include presentation commands entered on a touch panel screen, touch panel
There are freehand doodles, volume adjustment signals, contrast adjustment signals, and brightness adjustment signals scribbled on the screen. Transceiver 78 also receives data from the remote computer, such as data related to the next slide in the presentation, or an ordered list of slides, or other presentation information. Transceiver 78 is implemented as a wireless transceiver, but other forms of transceiver (eg, I
R) can also be used. Note that, instead of doing so, the remote control presentation device can be implemented as a one-way transmitter that only transmits data in one direction and cannot receive data.

The remote control presentation device 24
It has a microphone input 79 that accepts a jack from a wireless microphone. A microphone is plugged directly into the microphone input 79 of the presentation device so that the remote control presentation device 24 can replace the battery pack and transmitter typically associated with a wireless microphone system. The audio received by the microphone is transmitted by the presentation device 24 to a laptop computer, where the audio is amplified for output to an audience.

The remote control presentation device 24 has a power supply 80 for powering the electronic components. Power supply 8
0 is implemented as a rechargeable battery pack, or a set of batteries, or the like.

It should be noted that applicant sells a portable personal organizer with a touch screen display, pen, and full keyboard under the trademark "OmniGo". In one possible embodiment of the remote control presentation device 24,
The “OmniG” includes a volume adjustment button, a contrast adjustment button, a brightness adjustment button, and a state adjustment button.
o "Modify the organizer or program the organizer to map volume, contrast, brightness, and status functions to existing keys on the keyboard or menus on the screen.

There are several ways to utilize a pen-based remote control presentation device 24 to control a computer presentation. One method is to display on the touch screen 40 presentation control softkeys that activate various controls when a presenter touches a softkey area on the screen using the pen 42. is there. FIG. 4 shows the remote control presentation device 24. The screen 40 has four presentation control softkeys, a "NEXT SLIDE" softkey 90 and a "Previous slide" softkey 9
2. "ENLARGE" soft key 94, "Reduce (RECUD)
E) soft key 96 is shown. These softkeys are examples and other softkey controls can be used, as well as dedicated hardware keys or program hardware keys.

Another way to use a presentation device is to store presentation notes or speech outlines on the device. The notes are
In that case, it can be displayed during the presentation for easy reference by the person giving the presentation.

Another possible technique is to display on the remote control presentation device 24 the same slide that is being drawn on the overhead projection screen 36. This is shown in FIG. An example slide is shown in the form of a text outline with list item "II. Set Goals". The slide is an overhead screen 36
As well as on the handheld screen 40. The person giving the presentation can hand-write marks, scribbles, and other doodles on the touch panel screen 40 to highlight various points on the slide. In this example, the person giving the presentation has drawn a rough circle 98 around the Roman numeral "II" on the slide.

A circle 9 on the touch panel screen 40
Upon doodle 8, the detection circuit 70 detects a free-form handwritten circle and sends the digital coordinates of this pattern to the processor 72. Processor 72 generates display data that is sent to display driver 76 to display a circle on touch screen 40 and sends signals to transceiver 78 for transmission to computer presentation subsystem 22.
Computer CPU 30 provides a display for display 32 which provides a display of substantially the same circle doodle 98 'on overhead screen 36 at approximately the same position relative to the slide content (ie, around Roman numeral "II"). Generate data.

A variation on this technique is to preview a slide to be projected, such as the next slide, on the remote control screen 40. This allows the person giving the presentation to mark the slide before it is displayed on the overhead screen 36.

Another technique is to use the remote control presentation device 24 to generate slides during the presentation. The person giving the presentation clears the touch screen and is free to write comments, draw images, or draw anything that conveys their thoughts during the presentation.

Another way to utilize the remote control presentation device 24 is to show an icon or thumbnail (a reduced image of the slide so that it can be used as an icon, etc.) for each slide during the presentation. FIG. 5 shows a touch panel screen 40.
The remote control presentation device 24 with some thumbnails 100 displayed thereon is shown. The person giving the presentation can use the pen 42 to touch any one of the thumbnails 100 and jump to the slide represented by the thumbnail. This allows the person giving the presentation to jump around during the presentation without having to sequentially look at adjacent slides to reach the desired slide.

The remote control presentation device 24 can also be used as a second display of the portable computer 22. In this embodiment, presentation device 24 connects to portable computer 22 via a wire link to receive data from the portable computer during a presentation.
Is preferably bonded to Data relating to the presentation can be displayed on the remote control presentation device for viewing by the presenter during the presentation. For example, the computer 22 can also display a dialog on the remote control presentation device 24 that displays an outline of the oral presentation or a help boat or instruction from a distance in synchronization with the presentation of the slide on the overhead screen.

The present invention has been described in terms of structural features and method features using some specific language. However, it is to be understood that the means disclosed herein include the preferred modes of carrying out the invention and that the invention is not limited to the specific features described. Accordingly, the invention is claimed to be in its form or modification within the proper scope of the appended claims appropriately interpreted in accordance with the doctrine of equivalents.

Examples of the embodiments of the present invention are listed below.

Embodiment 1 A computer presentation subsystem (22) configured to facilitate presentation on a display, and the computer presentation subsystem (2)
2) having a pen responsive surface (40) and a pen (42) for energizing said pen responsive surface and generating presentation control commands in response to input activated by the pen; A computer presentation presentation including a pen-based remote presentation device (24) for sending said presentation control commands to said computer presentation subsystem (22) for remotely controlling a presentation on a display. system.

[Embodiment 2] The computer presentation subsystem (22) generates a pointer (38) as part of a presentation, and the pen-based remote control presentation device (24).
To control the pointer (38)
The computer presentation system according to claim 1, wherein a command is generated and transmitted to the computer presentation subsystem (22).

[Third Embodiment] A remote control presentation device (24) based on the pen (4)
2) detecting a free-form handwritten pattern as it moves over the pen response surface (40) and transmitting a command indicative of the handwritten pattern to the computer presentation subsystem (22); The computer presentation subsystem (22) configured and configured to generate and display a mark that looks like the handwritten pattern as part of a presentation. Computer presentation system.

[Embodiment 4] The pen response surface (40)
2. The computer presentation system of claim 1, wherein the device comprises one of a touch-sensitive display screen or a touch-sensitive pad.

[Embodiment 5] The remote control presentation device (24) based on the pen has a volume control knob (5) that enables remote control of the volume of a presentation.
4) and at least one of an adjustment knob including a contrast adjustment knob (56) for remotely adjusting the contrast of the presentation and a brightness adjustment knob (58) for remotely adjusting the brightness of the presentation.
The computer presentation system according to claim 1, comprising two adjustment knobs.

[Embodiment 6] A remote control presentation device (24) based on the pen has a presentation mode and a remote control device independent of the remote control device.
A mode controller (6) to select between a portable mode allowing the electronic device to function
2. The computer presentation system according to claim 1, comprising: (2).

Embodiment 7 The computer presentation system of claim 1, wherein said pen-based remote control presentation device (24) has a microphone input (79).

[Embodiment 8] The pen-based remote control presentation device (24) includes a display screen (40), and the computer presentation subsystem (22) allows a person to give a presentation during a presentation. The computer presentation system of claim 1, wherein to assist, data is sent to a remote control presentation device for rendering on the display screen.

[Embodiment 9] A housing (50), a data entry screen (40) mounted in the housing for detecting a user input, and detecting a user input on the data entry screen. A data entry detection circuit coupled to generate a presentation control command based on the user input; and a transmitter coupled to transmit the presentation control command over a data communication link. A remote control presentation device for remotely controlling a presentation, including:

[Embodiment 10] A housing (50),
Screen (40) mounted in said housing
A presentation on a display, comprising: a microphone input (79) mounted in the housing for receiving an audio signal; and a transmitter (78) coupled to transmit the audio signal via a data communication link. Remote control presentation device that remotely controls

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a computer presentation system.

2 is a schematic diagram of a pen-based remote control presentation device used in the computer presentation system of FIG.

FIG. 3 is a block diagram of a pen-based remote control presentation device.

FIG. 4 is a schematic diagram of a pen-based remote control presentation device showing presentation control soft keys on a touch response screen.

FIG. 5 is a schematic diagram of a pen-based remote control presentation device showing thumbnails representing slides during a presentation.

[Explanation of symbols]

 20: Presentation system 22: Computer 24: Remote control presentation device 26: Computer 28: OHP <30: Computer CPU 32: Display 40: Touch panel screen

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Michael DiDelocher Corvallis, Knowthwest Romance Drive, Oregon, United States of America 2719 (72) Inventor Pete Wyatt, Los Angeles / South Ogden, California, United States of America 466 (72) Inventor, Calvin・ San United States Portland, Oregon Southwest Clay Street 1535 Number 239

Claims (1)

[Claims] 1. A computer presentation subsystem configured to facilitate presentation on a display, and remotely coupled to the computer presentation subsystem for attaching a pen response surface and the pen response surface. Generating a presentation control command in response to an input activated by the pen;
A computer presentation system including a pen-based remote control presentation device for sending said presentation control commands to said computer presentation subsystem to remotely control a presentation on a display.