WO2006039524A2

WO2006039524A2 - Programmable power adaptor

Info

Publication number: WO2006039524A2
Application number: PCT/US2005/035242
Authority: WO
Inventors: Scott Smith
Original assignee: Targus Group International, Inc.
Priority date: 2004-09-30
Filing date: 2005-09-20
Publication date: 2006-04-13
Also published as: US20060071558A1; US7646107B2; WO2006039524A3

Abstract

Methods and systems for programmable power adaptors (100) that can be programmed to adapt electrical power for one or more electronic devices (110). A programmable power adaptor optionally includes a user interface (108) and/or other user input mechanism(s), which allows users to preset voltage requirements for one or more electronic devices. The pre-settings are stored in memory (120) for future use. The programmable power adaptor (100) is optionally configurable for multiple electronic devices, and/or multiple users. The programmable power adaptor optionally informs users of faults, proper device usage, and/or provides database access (112).

Description

PROGRAMMABLE POWER ADAPTOR

BACKGROUND OF THE INVENTION

Field of the Invention

[0001] The invention relates to power adaptors and, more particularly, to programmable power adaptors.

Related Art

[0002] Power adaptors are used to provide electrical power to, and/or charge batteries for, a variety of portable electronic devices, such as computers, mobile telephones, handheld personal digital assistants ("PDAs"), smartphones, MP3 players, DVD players, and the like.

[0003] Different portable electronic devices often have different electrical requirements. Different portable electronic devices also typically have physically distinct electrical input ports. As a result, conventional power adaptors are generally designed for particular electronic devices. Although some conventional power adaptors are designed to be interchangeable with multiple electronic devices, conventional power adaptors lack programmability and configurability. Thus, what is needed is a programmable power adaptor.

SUMMARY OF THE INVENTION

[0004] The present invention is directed to methods and systems for programmable power adaptors that can be programmed to adapt electrical power for one or more electronic devices. A programmable power adaptor optionally includes a user interface and/or other user input mechanism(s), which allows users to preset voltage requirements for one or more electronic devices. The pre-settings are stored in memory for future use. The programmable power adaptor is optionally configurable for multiple electronic devices, and/or multiple users. The programmable power adaptor optionally informs users of faults, proper device usage, and/or provides database access.

[0005] Additional features and advantages of the invention will be set forth in the description that follows. Yet further features and advantages will be apparent to a person skilled in the art based on the description set forth herein or may be learned by practice of the invention. The advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0006] It is to be understood that both the foregoing summary and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

BRIEF DESCRIPTION OF THE DRAWINGS/FIGURES

[0007] The present invention will be described with reference to the accompanying drawings, wherein like reference numbers indicate identical or functionally similar elements. Also, the leftmost digit(s) of the reference numbers identify the drawings in which the associated elements are first introduced.

[0008] FIG. 1 is a block diagram of an example programmable power adaptor

100.

[0009] FIG. 2 is an example screen display 200 for a user interface 108 for the programmable power adaptor 100.

[0010] FIG. 3 is an example pop-up display associated with the example screen display 200.

[0011] FIG. 4 is another example screen display for the user interface 108.

[0012] FIG. 5 is another example screen display for the user interface 108.

[0013] FIG. 6 is a front plan view of an example external package design for the programmable power adaptor 100.

[0014] FIG. 7 is a rear plan view of another example external package design for the programmable power adaptor 100. [0015] FIG. 8 is another rear plan view of another external package design for the programmable power adaptor 100.

DETAILED DESCRIPTION OF THE INVENTION

I. Programmable Power Adapting

[0016] FIG. 1 is a block diagram of an example programmable power adaptor

100. The programmable power adaptor 100 includes an input port 102, for receiving electrical power from an electrical source, such as an electrical wall outlet or an automobile electrical outlet. The electrical source can be an alternating current ("AC") electrical source and/or a direct current ("DC") electrical source.

[0017] The programmable power adaptor 100 further includes one or more output ports 104, which provide electrical power (typically DC) to one or more portable electronic devices 110.

[0018] The portable electronic devices 110 can be one or more of a variety of types of portable electronic devices. For example, and without limitation, the portable electronic devices 110 can include computers, mobile telephones, handheld personal digital assistants ("PDAs"), smartphones, MP3 players, and DVD players.

[0019] Different portable electronic devices 110 often have physically different electrical input ports 118. The programmable power adaptor 100 thus optionally includes one or more interchangeable tips 116 that are removably coupled to the one or more output ports 104, or removably coupled to one or more cables that extend from the one or more output ports 104. The interchangeable tips 116 allow the programmable power adaptor 100 to be coupled to one or more of a variety of different portable devices 110.

[0020] During a configuration mode, a user associates a selected portable device 110 with a corresponding set of power supply characteristics. In an embodiment, the association is made by selecting a tip 116 that fits into the input port 118 of the portable device 110, and by fixing the tip to the output port 104. The selected tip is then associated in memory with electrical supply characteristics of the electronic device 110. This is referred to hereinafter as device configuration information. Device configuration information is optionally stored in a database and/or in one or more look-up tables.

[0021] During the configuration mode, the programmable power adaptor 100 identifies the installed tip 116 in one or more of a variety of ways. For example, the programmable power adaptor 100 optionally senses one or more characteristics of the installed tip 116, and/or receives feedback information from the installed tip 116. Alternatively, or additionally, the user identifies an installed tip 116 through the user interface 108.

[0022] During the configuration mode, the user can provide a variety of types of information to the programmable power adaptor 100. For example, and without limitation, the user identifies the portable device 110 by manufacturer, make, and/or model number. The programmable controller 106 obtains the power requirements for the portable device 110 automatically and/or through manual user input. For example, and without limitation, the programmable power adaptor 100 retrieves the power requirements for the portable device 110 from a look-up table or from a database, which can be internal or external of the programmable power adaptor 100. As described below, the programmable power adaptor 100 is optionally configured to update the look¬ up table and/or database through an external port. Alternatively, or additionally, the user manually selects input power characteristics for the portable computer.

[0023] During normal operation, when the tip 116 is installed, the programmable power adaptor 100 retrieves the associated electrical supply characteristics from memory and converts power accordingly. As with the configuration mode, the programmable power adaptor 100 identifies the installed tip 116 automatically and/or through user interface 108.

[0024] For example, where the portable device 110 is a portable computer, the user selects an appropriate tip 116 for the portable computer, fixes the tip 116 to the output port 104, and, through menu selections presented on the user interface 108, the user provides information to the programmable controller that will allow the programmable controller 110 to associate the selected tip

116 with electrical supply needs of the portable computer. [0025] The programmable power adaptor 100 optionally informs users of faults, proper device usage, and/or provides database access. [0026] In the example of FIG. 1, the programmable power adaptor 100 further includes a programmable controller 106, a user interface 108, and memory

120, which are described below.

IL Programmable Controller

[0027] The programmable controller 106 allows users to configure the programmable power adaptor 100 to power one or more of a variety of portable electronic devices 110. The programmable controller 106 is optionally fabricated as an application specific integrated circuit ("ASIC"), which is optionally implemented in planar transformer technology. The programmable controller 106 is optionally fabricated with both memory 120 and power conversion circuitry. Alternatively, memory 120 and/or power conversion circuitry, or portions thereof, are provided with other circuitry.

[0028] The programmable controller 106 converts the one or more electrical inputs 102 into one or more of a variety of outputs. For example, and without limitation, the programmable controller 106 is designed to convert a 110 volt AC source to a DC voltage in the range of up to 24 VDC. Alternatively, or additionally, the programmable controller 106 is designed to convert a DC source, such a 12 volt DC source (e.g., from an automobile), to one or more of the output DC voltages above. The invention is not, however, limited to the example voltages above. Based on the description herein, one skilled in the relevant art(s) will understand that invention can be designed for other voltages voltages. ///. User Interface

[0029] The programmable power adaptor 100 is configured, at least in part, by user commands entered through the user interface 108. The user interface 108 is optionally a graphical user interface ("GUI"), such as a liquid crystal display ("LCD"). FIGS. 2-5, which are described below, are example graphical user interface displays for the user interface 108. Configuration and operation of the programmable power adaptor 100 is described below with reference to FIGS. 2-5. The invention is not, however, limited to the examples of FIGS. 2- 5. Based on the description herein, one skilled in the relevant art(s) will understand that the invention can be implemented with other user interfaces. IV. Configuration

[0030] During a configuration mode, a user configures the programmable power adaptor 100 by identifying a desired portable electronic device for configuration.

[0031] FIG. 2 is an example display 200 for the user interface 108. The display 200 includes selectable icons for a plurality of device types. In the example of FIG. 2, the example icons include a Laptop icon 202, a Cell Phone icon 204, a PDA icon 206, and an "Other Devices" icon 208. The user can select from any of these categories to configure a desired component. The example display 200 also includes a selectable memory icon 210, which is described below.

[0032] The icons are activated or selected in one or more of a variety of ways.

For example, where the user interface 108 includes a touch screen, icons are selected by touching the screen over a desired icon, by finger and/or by wand. Alternatively, or additionally, icons are selected by way of left and right and/or up and down arrow keys.

[0033] When the user selects a desired category from display 200, one or more subsequent display screens and/or pop-up screens are presented to allow the user to select a particular device within the desired category. [0034] For example, referring to FIG. 3, when the user selects the Laptop icon

202 from display 200, a pop-up display 300 is presented. Pop-up display 300 provides a list of laptop computers. In an embodiment, when a device is listed within the pop-up window 300, electrical requirements of the device are currently stored within the memory 120. The device is thus referred to as a supported device.

[0035] Electrical requirements for devices can be loaded into memory 120 during manufacturing. Alternatively, or additionally, electrical requirements for devices are updated periodically, such as through an internet connection. Alternatively, or additionally, electrical requirements for devices are input manually through the user interface 108.

[0036] m the example of FIG. 3, a Compaq Evo n800c laptop computer is highlighted in the pop-up display 300. A box 302 within the pop-up display 300 indicates that a tip Al is currently coupled to the output port 104 as tip 116 (FIG. 1). As described above, the programmable power adaptor 100 identifies the installed tip 116 in one or more of a variety of ways. For example, the programmable power adaptor 100 optionally senses one or more characteristics of the installed tip 116, and/or receives feedback information from the installed tip 116. Alternatively, or additionally, the user identifies an installed tip 116, through the user interface 108, as being the desired tip.

[0037] When the desired device is highlighted in pop-up display 300, and when the proper tip is indicated in the box 302, the user saves the configuration by selecting the "save" box 304. The configuration is then saved in memory 120 for future use.

[0038] The programmable power adaptor 100 is optionally configurable for multiple devices and/or for multiple users.

[0039] Referring back to FIG. 2, users can view information that is currently stored in memory 120 by selecting the memory icon 210. V. Operation

[0040] During normal operation, the programmable power adaptor 100 provides electrical power to one or more electrical devices 110. The programmable power adaptor 100 adapts the electrical input 102 to one or more electrical devices 110, based on each devices' characteristics. The programmable power adaptor 100 optionally senses the presence of one or more installed tips 116, as described above, and automatically retrieves the electrical requirements that were associated with the tip(s) from memory 120. The programmable power adaptor 100 then converts electrical input power 102 according to the retrieved electrical requirements.

[0041] During normal operation, the programmable power adaptor 100 optionally provides operational information through the display 108. For example, and without limitation, FIGS. 4 and 5 are example screen displays for the user interface 108 during operation. The example screen displays of FIG. 4 and/or FIG. 5 are optionally displayed during normal operation, while a tip Al is coupled to the programmable power adaptor 100.

[0042] In the examples of FIGS. 4 and 5, a display box 400 indicates that the tip Al is associated in memory 120 with a Compaq evo laptop computer, model number n 800c. In FIG. 4, a connection box 402 indicates that the tip Al is coupled to the laptop computer. In FIG. 5, the connection box 402 indicates that the tip Al is not coupled to the laptop computer.

[0043] Where multiple portable devices 110 are powered by the programmable power adaptor 100 simultaneously, additional corresponding widows are optionally displayed on the user interface 108.

VI. Uploadable Web-Based Database

[0044] The programmable power adaptor 100 optionally updates memory 120

(e.g., database and/or look-up tables) by accessing one or more internet sites or other external database(s). The internet site(s) are optionally dedicated to users of the programmable power adaptor 100. Alternatively, or additionally, the internet site(s) are associated with one or more manufacturers of the portable device(s) 110.

[0045] Accordingly, referring back to FIG. 1, the programmable power adaptor 100 optionally includes a data port 112, coupled to the programmable controller 106 and/or to the user interface 108. The optional data port 112 can be coupled to an internet service provider. The data port 112 can be, for example, a mini universal serial bus ("USB") port that allows the programmable power adaptor 100 to couple to a computer that is coupled to the internet. Alternativley, and/or additionally, the data port 112 is a wireless port that allows the programmable power adaptor 100 to couple wirelessly to the internet. The invention is not, however, limited to USB or wireless ports. Based on the description herein, one skilled in the relevant art(s) will understand that a variety of types of connections are contemplated. VII. Battery

[0046] The programmable power adaptor 100 optionally includes an integral and/or externally mounted battery system 114 that, when charged, provides at least temporary back-up power for the user interface 108 and memory 120, thus allowing active interface activity without input power at input terminal 102. The optional battery 114 is charged during normal operation of the programmable power adaptor 100.

[0047] The battery 114 is optionally designed to temporarily provide electrical power to portable electronic device(s) 110 to allow a controlled power down of the portable electronic device(s) 110. VIIL Example Design Packages

[0048] The programmable power adaptor 100 can be implemented in one or more of a variety of packages. FIG. 6 is a front plan view of an example external package design for the programmable power adaptor 100. FIG. 7 is a rear plan view of another example external package design for the programmable power adaptor 100. FIG. 8 is another rear plan view of another external package design for the programmable power adaptor 100. The invention is not, however, limited to the example design packages illustrated in FIGS. 6, 7, and 8. Based on the description herein, one skilled in the relevant art(s) will understand that the programmable power adaptor 100 can be implemented in other design packages. IX. Conclusion

[0049] The present invention has been described above with the aid of functional building blocks illustrating the performance of specified functions and relationships thereof. The boundaries of these functional building blocks have been arbitrarily defined herein for the convenience of the description. Alternate boundaries can be defined so long as the specified functions and relationships thereof are appropriately performed. Any such alternate boundaries are thus within the scope and spirit of the claimed invention. One skilled in the art will recognize that these functional building blocks can be implemented by discrete components, application specific integrated circuits, processors executing appropriate software and the like and combinations thereof.

[0050] While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. Thus, the breadth and scope of the present invention should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

WHAT IS CLAIMED IS:

1. A programmable power adaptor, comprising: an electrical input port; an electrical output port; a user interface; a memory; and a programmable controller coupled to the electrical input port, the electrical output port, the user interface, and to the memory; wherein the memory includes information associated with an electronic device including electrical power requirement; wherein the programmable controller adapts input electrical power for the electronic device according to the stored information.

2. The programmable power adaptor according to claim 1, further comprising a plurality of tips that are selectively attachable to the electrical output port, wherein the memory associates a selected one of the plurality of tips with the electrical power requirements of the electronic device.

3. The programmable power adaptor according to claim 1, wherein the memory stores information associated with a plurality of electronic devices.

4. The programmable power adaptor according to claim 3, wherein the memory stores information associated with a plurality of electronic devices for a plurality of users.

5. The programmable power adaptor according to claim 3, further comprising a plurality of electrical output ports, wherein the programmable controller simultaneously adapts input electrical power for more than one electronic device.

6. The programmable power adaptor according to claim 1, further comprising a battery coupled to the user interface and memory, wherein the battery provides back-up power for user interface and the memory.

7. The programmable power adaptor according to claim 6, wherein the battery further provides at least temporary back-up power to one or more electronic devices coupled to the electrical output port.

8. The programmable power adaptor according to claim 1, wherein the user interface comprises a liquid crystal display.

9. The programmable power adaptor according to claim 1, wherein the user interface comprises a touch-sensitive liquid crystal display.

10. The power adaptor according to claim 1, wherein the programmable controller adapts alternating current to direct current.

11. The power adaptor according to claim 10, wherein the programmable controller further adapts a first direct current voltage to a second direct current voltage.

12. The power adaptor according to claim 10, wherein the programmable controller is configured to adapt a variety of alternating current frequencies to a direct current.

13. The power adaptor according to claim 1, wherein the programmable controller is configured to identify a tip coupled to the electrical output port.

14. The power adaptor according to claim 13, wherein the programmable controller is configured to identify the tip through feedback received from the tip.

15. The power adaptor according to claim 13, wherein the programmable controller is configured to identify the tip through input received from the user interface.

16. A method for adapting electrical power for an electronic device, comprising: storing electrical power requirements for a plurality of electronic devices; identifying at least one of the electronic devices coupled to a power adaptor; converting an input electrical source according to the stored electrical power requirements for the at least one electronic device that is coupled to the power adaptor.

17. The method according to claim 16, wherein the storing comprises storing an identification of a connector tip associated at least one of the electronic devices.

18. The method according to claim 17, wherein the identifying comprises determining that the tip is coupled to the power adaptor and retrieving electrical power requirements associated with the tip.

19. The method according to claim 16 wherein the converting comprises converting an alternating current electrical source to a direct current.

20. The method according to claim 16, further comprising receiving user input identifying an electronic device and associating the electronic device with a tip.