Wireless networked peripheral devices

Details Wireless networked peripheral devices Wireless networked peripheral devices

2001-06-04

2004-01-13

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S002000, C710S008000, C710S015000, C342S357490

Reexamination Certificate

active

06678750

ABSTRACT:

TECHNICAL FIELD
The invention relates to computers and computer networks. More particularly, the invention relates to computer peripheral devices and networked organization and utilization thereof.
BACKGROUND OF THE INVENTION
A modern computer system typically includes one or more peripheral devices, e.g., a printer, a scanner, a facsimile machine, a display screen, a keyboard, a mass storage device, or the like. In particular, a hard-copy device, e.g., a printer, a facsimile machine, or the like, allow conversion of electronic information, e.g., a document file, into printed texts and/or graphics, and are ubiquitous parts of modem computer systems. Typically, the electronic information is sent from a requesting entity, e.g., a personal computer (PC), laptop computer, personal digital assistant (PDA) or the like (collectively referred to hereinafter as a “host computer”), to a hard-copy device through a communication link. The communication link may be, for example, a direct communication cable through parallel (or serial) communication port interfaces, or through a network, e.g., a local area network (LAN) or a wide area network (WAN).
Particularly, in the case where peripheral devices are connected to a host computer through a network, finding and making use of a peripheral device that may be available in the network becomes increasingly important and yet less intuitive. Often, a host computer does not know which one of the available peripheral devices provides the optimal service, mainly because the network connection path between the user host computer and the peripheral device is less intuitive than the case with a direct cable connection. This requires a network-centric pre-arrangement of the peripheral devices, which in turn requires that each user host computer to know the logical and/or physical locations of the peripheral devices within the network in order to establish a communication link with a desired one of the peripheral devices available over the network. Typically, this is accomplished by a user of a host computer manually searching for one desired peripheral device from the available peripheral devices on the network, or by a network administrator familiar with the topology of the network making the selection for the user.
The above conventional network-centric static arrangement of the peripheral devices suffers from many shortcomings, particularly when a host computer is accessing the network through a wireless communication means, e.g., when the geographical location of the user relative to the peripheral devices in the network may not be fixed. As society becomes increasingly mobile, more and more user host computers are being equipped with mobile communication capabilities, allowing users of host computers to become mobile. When a user moves into a particular geographical region of a computer network, the user, without a complete knowledge of the topology of the network, would not know which available peripheral devices are within close proximity of the current location of the user and/or which peripheral device(s) may have the optimal capabilities for the user.
For example, recently introduced electronic commerce services, e.g., ones offered by the Sir Speedy, Inc. of Mission Viejo, Calif. (http://www.sirspeedy.com) or by the Kinko's Inc. of Ventura, Calif. (http://www.kinkos.com), offer on-line printing services over the Internet. In these on-line printing services, a user may send a print request to an electronic commerce server, which than directs the print job to print centers selected by the user. While these on-line printing services typically allow a user to manually select the nearest printing center from which the completed print job may be picked up, e.g., based on the name of the city, the zoning improvement plan (ZIP) code, or the like, the user is nevertheless still required to know his or her current geographical location to base the selection of the print center.
However, when a user is accessing the on-line printing service through a mobile communication network while moving into, or passing through, a particular geographical location, the user may not be aware of his or her exact geographical location, and may be unable to select a nearby print center. Thus, it is desirable for the user to be able to locate a peripheral device that is within the nearest proximity to the user particularly when the user is in an unfamiliar geographical location and when the user is not aware of the topology of the network.
Moreover, because the above described network-centric arrangement of peripheral devices are fixedly arranged, when a new peripheral device is added to the network, the topology of the network must be manually changed to reflect the addition. This network topology change must be made known to the user. For example, a peripheral device having a better capability and/or in closer proximity to a user may be added, and yet the user may not be aware, and thus is unable to take advantage of the newly added peripheral device. Moreover, a user must be aware of features and capabilities of the peripheral devices available on the network in order to fully utilize the available capabilities, and thus is required to manually keep track of the capabilities of the peripheral devices.
The above described manual selection of a peripheral device from the available networked peripheral devices, and the manual network topology information update and maintenance of a network-centric arrangement are inefficient, inconvenient and wasteful of time and effort.
Thus, there is a need for a more efficient and convenient system and method for locating and using networked peripheral devices, which do not require user's knowledge of the topology of the network, and which do not require a manual search for the peripheral devices.
Thus, there is also a need for a more efficient and convenient system and method for utilizing networked peripheral devices, which do not require manual update and maintenance of the information regarding the network topology.
SUMMARY OF INVENTION
In accordance with the principles of the present invention, a method of utilizing one or more peripheral devices by a host computer over a network comprises providing a geographical location determination capability to the host computer, the geographical location determination capability allowing the host computer to determine a current location of the host computer automatically without an intervention by a user of the host computer, sending a peripheral device service request from the host computer to the network, the peripheral device service request including a location information indicating the current location of the host computer, selecting ones of the one or more peripheral devices being in close proximity with the host computer based at least in part on the location information, and fulfilling the peripheral service request by the selected ones of the one or more peripheral devices.
In addition, in accordance with another aspect of the principles of the present invention, a method of utilizing one or more peripheral devices by a host computer comprises providing each of the one or more peripheral devices a geographical location determination capability, the geographical location determination capability providing a geographic location of an associated one of the one or more peripheral device, detecting, by at least a first one of the one or more peripheral devices, presence of one or more peripheral devices within a predetermined distance from the at least first one of the one or more peripheral devices, and organizing the detected ones of the one or more peripheral devices into a cluster of peripheral devices, the cluster being configured to allow peripheral devices with complementary capabilities (i.e., color, monochrome, and devices with paper finishing capabilities) to fulfill a service request from the host computer collectively as one logical device based at least in part on the service capabilities database.
In accordance with yet another aspect of the principles of the

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