Data driven interaction for networked control of a DDI...

Data processing: generic control systems or specific application – Generic control system – apparatus or process – Having operator control interface

Reexamination Certificate

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Details

C700S017000, C709S241000, C710S010000, C710S072000

Reexamination Certificate

active

06456892

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to the field of consumer electronic devices. More specifically, the present invention relates to methods and systems for providing user interfaces for networked electronic devices including remote devices.
2. Related Art
The typical home entertainment system today consists of a variety of different consumer electronic devices which present and record audio/visual media in different ways. In the field of media devices, there is a spectrum of features for products of a given class (VCRs, video camera, etc.). Most of the features are represented by physical controls or elements on a control panel on the device which can be manipulated by a human user.
For instance, typical home audio-visual (AV) equipment includes a number of components such as a radio receiver or “tuner,” a compact disk (CD) player and/or a digital video disc player (DVD), a number of speakers, a television, a video cassette recorder (VCR), a tape deck, and the like. Each of these components is connected to the others via a set of wires. One component is usually the central component of the home AV system; for example, the tuner. The tuner has a number of specific inputs for coupling the other components. Tuner-based control is often limited to connecting/disconnecting another component's AV input or output. The tuner has a corresponding number of control buttons or control switches which provide a limited degree of controllability and interoperability for the components. However, only rarely does a tuner control the component's operation (e.g., rewind, play, etc.). The control buttons and control switches are usually located on the front of the tuner providing the user with a so-called hard front panel interface. In many cases, some, or all, of these buttons and switches are duplicated on a hand-held remote control unit, another type of hard front panel interface. A user controls the home AV system by manipulating the buttons and switches on the front of the tuner or, alternatively, by manipulating buttons on the hand-held remote control unit. This conventional home AV system paradigm has become quite popular.
As consumer electronic devices become more capable and more complex, the demand for the latest and most capable devices has increased. As new devices emerge and become popular, the devices are purchased by consumers and “plugged” into their home AV systems. As a consumer purchases new devices (e.g., digital audio tape recorders, digital video disk players, digital camcorders, and the like), most often the new device is simply plugged into the system alongside the pre-existing, older devices (e.g., cassette tape deck, CD player, and the like). The new device is plugged into an open input on the back of the tuner or into some other device coupled to the tuner. The consumer (e.g., the user) controls the new device via the control buttons on the tuner, via the control buttons and control switches on the front of the new device itself, or via an entirely new and separate remote control unit for the new device.
As the number of new consumer electronic devices for the home AV system have grown and as the sophistication and capabilities of these devices have increased, a number of problems with the conventional paradigm have emerged. One such problem is incompatibility between devices in the home AV system. Consumer electronic devices from one manufacturer often couple to an AV system in a different manner than similar devices from another manufacturer. For example, a tuner made by one manufacturer may not properly couple with a television made by another manufacturer.
In addition, where one device is much newer than another device, additional incompatibilities may exist. For example, a new device might a incorporate hardware (e.g., specific inputs and outputs) which enables more sophisticated remote control functions. This hardware may be unusable with older devices within the AV system. Also, for example, older tuners may lack suitable inputs for some newer devices (e.g., mini-disc players, VCRs, etc.), or may lack enough inputs for all devices of the system. Another problem is the lack of functional support for differing devices within an AV system. For example even though a television may support advanced sound formats (e.g., surround sound, stereo, etc.), if an older and less capable tuner does not support such functionality, the benefits of the advanced sound formats can be lost.
Another problem is the proliferation of controls for the new and differing devices within the home AV system. For example, similar devices from different manufacturers can each have different control buttons and control switch formats for accomplishing similar tasks (e.g., setting the clock on a VCR, programming a VCR record a later program, and the like). In addition, each new device coupled to the AV system often leads to another dedicated remote control unit for the user to keep track of and learn to operate.
To address the problems above, a home AV network has been proposed for consumer electronic devices, including computing devices (e.g., personal computers and peripheral devices such as printers). The home AV network would provide a set of services which facilitate device interoperability and allow the devices to cooperate to perform application tasks. By connecting consumer electronic devices in a home AV network, it is also possible to share processing and storage resources. In addition, a home AV network allows consumer electronic devices to be coordinated and simultaneously controlled by a user, thereby simplifying that aspect of operation from the user's perspective. The underlying structure of a home AV network consists of a set of interconnected clusters of devices. Typically, there may be more than one cluster in a home, perhaps one per floor or one per room. Each cluster functions as a set of interconnected devices to provide services to a single user or to multiple simultaneous users.
Recently, a class of consumer electronic media devices has been proposed that can be networked together using a particular type of network using a standard communication protocol layer, e.g., IEEE 1394 communication standard. The IEEE 1394 standard is an international standard for implementing an inexpensive high-speed serial bus architecture which supports both asynchronous and isochronous format data transfers. The IEEE 1394 standard provides a high-speed serial bus for interconnecting digital devices thereby providing universal input/output connection. The IEEE 1394 standard defines a digital interface for applications thereby eliminating the need for an application to covert digital data to an analog form before it is transmitted across the bus. Correspondingly, a receiving application will receive digital data from the bus, not analog data and will therefore not be required to convert analog data to digital form. The IEEE 1394 is ideal for consumer electronics communication in part because devices can be added to or removed from the serial bus while the bus is active. If a device is so added or removed, the bus automatically reconfigures itself for transmitting data between the then existing devices. Each device on the bus is a “node” that has its own address on the bus and contains its own address space. Each node connected to the bus is capable of communicating with any other node also on the bus.
The provision of the IEEE 1394 serial communication bus for networking consumer electronic devices has introduced a powerful new platform on which device functionality and inter-operability can be built. For instance, in such a system, complex operations involving media transfers, media recordings and media presentation can be performed that involve two or more devices acting in concert. However, interaction between these devices can be complex, error prone and laborious if it is required that each device be directly touched in order to properly configure the desired operation. The problems associated with properly configuring the media

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