CN102117121A - Accessory for a portable computing device - Google Patents
Accessory for a portable computing device Download PDFInfo
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- CN102117121A CN102117121A CN2010106224703A CN201010622470A CN102117121A CN 102117121 A CN102117121 A CN 102117121A CN 2010106224703 A CN2010106224703 A CN 2010106224703A CN 201010622470 A CN201010622470 A CN 201010622470A CN 102117121 A CN102117121 A CN 102117121A
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Abstract
An accessory for use with a portable computing device is provided. The accessory includes a keypad and a pedestal to house the control circuitry and provide mechanical stability for the accessory. The accessory includes a metal mass that performs dual functions of providing the mass for stability as well as acting as a ground connection for the keypad and other control circuitry. The accessory includes a connector for interfacing with a portable computing device and an additional connector for interfacing with an additional accessory.
Description
Technical field
The present invention relates generally to portable computing device, relates in particular to the annex that is used for portable computing device.
The application requires the U.S. Provisional Patent Application No.61/292 that is entitled as " Keyboard Dock for A Portable Computer Device " of submission on January 6th, 2010,640 right of priority, the full content of this application is incorporated into this for all purposes by reference.
Background technology
Computing equipment (for example personal computer) many decades that come into operation.Computing equipment is used to carry out multiple-task, from simple task to some the most complicated task.Computing equipment can rough classification become portable (PC for example on knee or PDA) and non-portable (for example Desktop PC).
In the past ten years, portable computing device is owing to the ability of its portable capability and management the multi-task catches on.For example, portable computing device (for example personal digital assistant) can provide the ability of checking and answering Email, managerial meeting, display graphics and video and playing back music.The portable electric appts major part of using does not have keyboard at present, perhaps has little and keyboard that be not easy to use.In addition, integrated keyboard usually lacks than traditional keypad function.
Portable computing device can comprise one or more connectors or port, and these connectors or port can be used for carrying out interface with other equipment.For example, connector or port can make portable computing device be inserted into to plug in (docking) system, perhaps admit accessory device.
Summary of the invention
Some embodiment of the present invention comprises the annex that is used for portable computing device.This annex can comprise the additional attachment unit interface that is used for the attachment unit interface that is connected with portable computing device and is used for being connected with another annex, and described another annex can use with this portable computing device.In certain embodiments, this annex can comprise metallic object (metal mass), and this metallic object provides stability can for this annex, grounding path is provided can also for annex and the circuit that is associated.
In certain embodiments, annex can be configured to a plurality of voltage level work.In this case, when additional annex was connected to portable computing device through this annex, even the normal working voltage of annex is different with the operating voltage that should add annex, annex also can be with the voltage level work identical with this additional annex.
In certain embodiments, annex can be communicated by letter with portable computing device with the portable computing device specific protocol.The button pressed incident (for example USB HID incident) that is produced by keyboard can encapsulate with described portable computing device specific protocol, to produce the grouping of portable computing device specific protocol.Comprise the button pressed incident, portable computing device specific protocol grouping can be sent to portable computing device to make an explanation.Can be used as the useful load of portable computing device specific protocol order and involved by button pressed (HID) incident that the keyboard that comprises in the annex produced, and be sent to portable computing device.Portable computing device can be resolved this order, and the HID layer in its USB stack sends one or more HID incidents of receiving from this annex to make an explanation and to handle.
Following detailed description and accompanying drawing can provide the better understanding for character of the present invention and advantage.
Description of drawings
Figure 1A is the front elevation according to the keyboard annex of the embodiment of the invention.
Figure 1B is the side view according to the keyboard annex of the embodiment of the invention.
Fig. 1 C is the upward view according to the keyboard annex of the embodiment of the invention.
Fig. 1 D is the cut-open view according to the keyboard annex of the embodiment of the invention.
Fig. 2 A is the front elevation according to the portable computing device of the embodiment of the invention.
Fig. 2 B illustrates the side view that is coupled to the portable computing device of keyboard annex according to the embodiment of the invention.
Fig. 3 is the block diagram according to the portable computing device of the embodiment of the invention.
Fig. 4 is the block diagram according to the keyboard annex of the embodiment of the invention.
The form of Fig. 5 illustrates according to embodiments of the invention, can be used for transmitting between keyboard annex and portable computing device the order of button pressed incident.
Fig. 6 is the functional block diagram of the software stack that comprises in the portable computing device according to the embodiment of the invention.
Fig. 7 is according to embodiments of the invention, is used for the processing flow chart that grouping is handled to the portable computing device accessory protocol.
Fig. 8 is according to embodiments of the invention, is used for the processing flow chart of move instruction between keyboard annex and portable computing device.
Embodiment
Some embodiment of the present invention provides the annex that is used for portable computing device.Annex can comprise various types of user input devices, for example touch-screen, touch pad, scrolling wheel (scroll wheel), some striking wheel (click wheel), dial (of a telephone), button, keypad (keypad), microphone etc.Although serve as concrete as user input device hereinafter with reference to some embodiment are illustrated with keyboard, but understand of the present invention it will be appreciated by those skilled in the art that, under the situation of the spirit and scope that do not break away from claim, any (one or more) user input device can be combined in the annex, and some annex does not need to provide user input device.
Some embodiment of the present invention relates to the annex that is used for portable computing device (PCD).Annex can provide interface, is used to be connected to portable computing device.In certain embodiments, annex can comprise additional interface, is connected to portable computing device will add annex by this annex.
In certain embodiments, annex can provide low-loss signal handling capacity, and wherein, annex can be transparent for other annexes that are connected to portable computing device through this annex.In certain embodiments, annex can comprise metallic object, and this metallic object can provide stability and support to annex, grounding path is provided also can in addition the electron device that comprises in the annex.
Figure 1A illustrates the stereographic map according to the keyboard annex 100 of the embodiment of the invention.Keyboard annex 100 can comprise keyboard 110 and pedestal (pedestal) 120.Pedestal 120 can comprise portable computing device (PCD) interface connector 130, and this connector can be used for the PCD (not shown) is connected to keyboard pedestal 120.Pedestal 120 can hold control circuit and other electron devices, so that keyboard annex 100, PCD and the communication of being coupled between any other annex of PCD are managed.Pedestal 120 can also comprise attachment port, is used for additional annex is connected to PCD (Figure 1A is not shown).Be used for communicating by letter with other annexes and can being contained in the pedestal 120 to the support electron device that it manages.In certain embodiments, pedestal 120 can be designed to shell, and can be made by various materials (comprising metal and/or plastics).Keyboard 110 can be similar to current obtainable any QWERTY keyboard, also can be the customization keyboard that is configured to be used for PCD.Keyboard 110 can comprise keypad 113, and this keypad can comprise QWERTY keypad, numeric keypad of standard for example etc.Keyboard annex 100 can be designed to the work in conjunction with various PCD, and these PCD for example are personal digital assistants, not with the computing machine of keyboard etc.In certain embodiments, the direction of keyboard 110 can have the angle between 4 ° to 9 ° with respect to the end face of pedestal 120.
Figure 1B illustrates the side view according to the keyboard annex 100 of the embodiment of the invention.As mentioned above, pedestal 120 can comprise attachment port 140, and this port can be used for other annex is connected to PCD through this keyboard annex.In certain embodiments, attachment port 140 can be positioned at the rear side of pedestal 120.Attachment port 140 can be used for other annex (for example GPS receiver or power supply) is connected to PCD through this keyboard annex.Attachment port 140 can comprise and the iPod that is made by Apple Inc.
And iPhone
Used similar 30 pin connectors of connector in the product.In certain embodiments, the center to center between PCD attachment unit interface 130 and the attachment port 140 can be between 40mm and 70mm.In certain embodiments, pedestal 120 can have supporting construction 150, and this supporting construction is attached to the lower surface of pedestal.Supporting construction 150 can be along the Width horizontal-extending of pedestal 120, and its position can be along from keyboard lower limb 180 farthest.Supporting construction 150 can be projected into preset distance straight down from the lower surface of pedestal 120.In certain embodiments, this preset distance can be between 1mm and 2mm.In certain embodiments, the length of supporting construction 150 can be between 120mm and 140mm, and the width of supporting construction 150 can be between 55mm and 80mm.In certain embodiments, in pedestal 120, can there be supporting construction from keyboard 110 nearest lower limbs 190.In certain embodiments, pedestal 120 can also comprise PCD back up pad 127.When PCD was connected to the keyboard annex, PCD back up pad 127 can be used for supporting PCD.PCD back up pad 127 can be located such that when PCD is connected to the keyboard annex rear side of PCD contacts with PCD back up pad 127.In certain embodiments, the direction of PCD back up pad 127 can be vertical with respect to the end face of pedestal 120.In certain embodiments, the direction of PCD back up pad 127 is with respect to becoming angle between 15 ° to 35 ° with the vertical surface of the end face of pedestal 120.In certain embodiments, PCD back up pad 127 can rise 25mm to the height the 35mm from the end face of pedestal 120.In certain embodiments, supporting construction 150 can form bar shaped, and the described such whole width along pedestal 120 of Fig. 1 C extends below with reference to.
Fig. 1 C illustrates the upward view according to the keyboard annex 100 of the embodiment of the invention, illustrates supporting construction 150 and feet 160.Shown in Fig. 1 C, supporting construction 150 can be attached to the lower surface of pedestal 120.In one embodiment, supporting construction 150 can be extended along the lower limb 180 of pedestal 120.The shape and size that it will be appreciated by those of skill in the art that supporting construction 150 are not limited to the sort of shown in Fig. 1 C.Feet 160 can be attached to the lower surface of keyboard 110 at place, two bights.It will be appreciated by those of skill in the art that feet 160 can be positioned at other positions along keyboard 110 lower surfaces.This being arranged on the flat or flat substantially surface of feet 160 and supporting construction 150 provides stable supported at three point, and this can reduce or eliminate keyboard 110 shaking or other motions in use.In addition, depend on the height of feet, can produce interesting visual experience at zone 126 (shown in Figure 1A): this zone seems contacting should the surface, and does not in fact have.
Fig. 1 D illustrates the cut-open view according to the keyboard annex 100 of the embodiment of the invention.Fig. 1 D illustrates the pedestal section that amplifies slightly, so that the details of base interior to be shown rightly.Shown in Fig. 1 D, keyboard 110 can comprise Keyboard Control plate 116, and the Keyboard Control plate can support keypad 113 and supervisory keyboard function.Keyboard Control plate 116 can comprise keyboard controller (not shown) and the circuit that is associated, the button pressed incident is converted to appropriate signal to send to the PCD that is connected with keyboard annex 100.In certain embodiments, pedestal 120 can comprise annex control panel 121, the overall work that the annex control panel can supervisory keyboard annex 110.Annex control panel 121 can be a printed circuit board (PCB), its support microcontroller or microcontroller, storage component part and be used for cross tie part with interface connector 130 and 140 switching signals.In certain embodiments, keypad 110 can be connected to derby 170 through access path 135, and is connected to annex control panel 121 through access path 136.PCD interface connector 130 can be connected to derby 170 through access path 131, and is connected to annex control panel 121 through access path 132.Attachment port 140 can be connected to derby 170 through access path 141, and is connected to annex control panel 121 through access path 142.Annex control panel 121 can be connected to derby 170 through access path 122.
In certain embodiments, pedestal 120 can comprise metallic object 170.Metallic object 170 provides stability can for keyboard annex 100 and support.In certain embodiments, metallic object 170 can mainly be made up of zinc.In other embodiments, metallic object 170 can comprise copper, aluminium, steel or its combination.In certain embodiments, metallic object 170 can have 125mm to the length between the 145mm, 65mm to the width between the 75mm and 36mm to the thickness between the 50mm (highly).In certain embodiments, the shape of metallic object 170 can be block (for example rectangular parallelepiped) or any other required shape.In certain embodiments, metallic object 170 occupy pedestal 120 volumes 45% to 55% between, weight can 130 restrain 145 the gram between, and the general assembly (TW) of keyboard annex 100 can 550 restrain 650 the gram between.
In certain embodiments, except stability being provided for keyboard annex 100 and supporting, metallic object 170 provides grounding path can also for the various electronic packages of keyboard annex 100.For example, Keyboard Control plate 116, annex control panel 121, PCD interface connector 130 and attachment port 140 can be coupled to metallic object 170, and metallic object 170 provides grounding path can for all these assemblies.
As mentioned above, PCD can be connected to keyboard annex 100 through PCD interface connector 130.PCD can be any equipment that can carry out calculating, displaying video or music, be connected to the Internet and have the ability of browsing etc.Fig. 2 A illustrates the portable computing device (PCD) according to the embodiment of the invention.PCD 200 can comprise display 210, one or more input equipment 220 and annex I/O interface 230.
Annex I/O interface 230 can be used for PCD 200 is connected to keyboard annex or other annexes arbitrarily.In certain embodiments, annex I/O interface 230 can be and iPod by Apple Inc. produce and market
Used corresponding 30 pin connectors of connector on the product.Alternatively or additionally, annex I/O interface 230 can comprise other connector and/or wave point (for example bluetooth etc.).In certain embodiments, annex I/O interface 230 can comprise more than a connector.
Fig. 2 B illustrates the PCD 200 that is connected to keyboard annex 100 through PCD interface 130 and annex I/O interface 230.After connection, PCD 200 can identification key disc enclosure 100, and the user can bring into use this keyboard.In certain embodiments, PCD can be positioned at one of a plurality of positions of being supported by rotatable PCD interface connector 130.In certain embodiments, PCD 200 can only just be connected to keyboard annex 100 with a hand and disconnect from it, and need not to pin keyboard annex 100 in the process that connects or disconnect.
Fig. 3 is according to the block diagram of the PCD 300 of the embodiment of the invention (for example realizing the PCD 200 of Fig. 2 A).PCD 300 can comprise processor 302, storage facilities 304, user interface 306, annex I/O (I/O) interface 308 and network interface 310.
Annex I/O interface 308 can make PCD 300 communicate by letter with various annexes (for example the keyboard annex 100).For example, annex I/O interface 308 can support and being connected of remote control unit, external loudspeaker annex, external video equipment etc.In certain embodiments, various annexes can be connected to keyboard annex 100, PCD 300 can with these annex direct communications that are connected.In certain embodiments, annex I/O interface 308 comprise with by the iPod of Apple Inc. produce and market
Used similar 30 pin connectors of connector on the product.Alternatively or additionally, annex I/O interface 308 can comprise other connectors and/or wave point (for example bluetooth etc.).In certain embodiments, annex I/O interface 308 can comprise more than a connector.
In certain embodiments, PCD 300 can provide electric energy to the keyboard annex and to any other annex that is connected to the keyboard annex.Can come electric energy is carried out route (route) with annex I/O interface 308.
Fig. 4 is the block diagram according to the keyboard annex 400 of the embodiment of the invention.Keyboard annex 400 can comprise controller 402, keypad 404, PCD interface 406, one or more device indicating 408, storer 410 and AUI 412.
Controller 402 can realize with the form of one or more integrated circuit (for example traditional microprocessor or microcontroller), work that can supervisory keyboard annex 400.For example, controller 402 can and be connected to communicating by letter between the PCD of this keyboard annex to keyboard annex 400 and manages through PCD interface 406.In certain embodiments, controller 402 can also and be coupled to communicating by letter between other annexes of this keyboard annex through AUI 412 to keyboard annex 400 and manages.In certain embodiments, controller 402 can be a part that is designed the control circuit that the work of keyboard annex is controlled.
Keypad 404 can be similar to obtainable any traditional keypad on the market.Each button in the keypad is corresponding to the function of character or appointment.When specific button was pressed down, the controller 402 that is arranged in keyboard can this button pressed of perception, and the corresponding button pressed event signal of the button that can produce and be pressed down.Then, controller 402 can send to the button pressed event signal processor 302 of PCD 300 through PCD interface 406 and AUI 308.Processor 302 can receive the signal bit corresponding with this button pressed incident, and they can be decoded into suitable button pressed.Then, PCD can decide according to the button that is pressed down and carry out which kind of action, and for example character display on screen is still carried out certain action.When this button was released, stop code can be sent to PCD to show that the button that is pressed down is before this no longer pressed down.In certain embodiments, by with the button pressed on the keypad 404, the PCD that is connected to keyboard annex 400 can be waken up from its dormant state.The U.S. Provisional Patent Application No.61/292 common in a review that submitted on January 6th, 2010 has described the embodiment with this characteristic in 626.
PCD interface 406 can make keyboard annex 400 communicate by letter with PCD.As mentioned above, PCD can be media player, personal digital assistant, portable computer etc.In certain embodiments, PCD interface 406 can comprise with by the iPod of Apple Inc. produce and market
30 pin connectors of used connector complementation on the product.Alternatively or additionally, PCD interface 406 can comprise other connectors and/or wave point (for example bluetooth etc.).In certain embodiments, PCD interface 406 can comprise more than a connector.In certain embodiments, PCD interface 406 can be sent to PCD with the button pressed incident from keypad 404, and will be sent to keyboard annex 400 from the command/signal of PCD.
Pointer device 408 can comprise one or more illuminating devices (for example light emitting diode (LED)) or hearing devices.Pointer device 408 can transmit the status information relevant with the keyboard annex to the user in the visual mode that maybe can listen.For example, pointer device 408 can comprise the LED in order to indication PCD connection status.In certain embodiments, LED can be connected to the keyboard annex and provide whenever being lighted of electric energy to the keyboard annex at PCD.In certain embodiments, indicator 408 can transmit state and other incidents of annex state, some button regulator (for example CAPSlock (caps lock), Numlock (number lock) etc.).In certain embodiments, pointer device 408 can also comprise the textual indicator of expressing particular state.For example, when PCD is connected to the keyboard annex.The indicator that shows " PCD connects " can be lighted, with the information that provides PCD to be connected to the user and can work.In certain embodiments, pointer device 408 can also comprise loudspeaker, to send the state that audio frequency (for example buzzing, language etc.) comes indication key disc enclosure and/or PCD.In certain embodiments, pointer device 408 can also provide audio frequency output according to the signal that receives from PCD.
Storer 410 for example can be realized with dish, flash memory or other any nonvolatile storage medium.In certain embodiments, storer 410 can store the firmware that is used for the keyboard annex.In certain embodiments, storer 410 can store and the relevant information of various annexes that can be connected to PCD through the keyboard annex.In this case, when annex was connected to the keyboard annex through AUI 412, which annex the keyboard annex can determine to be connected according to signal specific that is provided by this annex and information.According to the annex that is connected, the keyboard annex can change the configuration of himself, working in conjunction with this annex.In certain embodiments, storer 410 can store the information relevant with one or more PCD.For example, when having connected specific PCD, the keyboard annex can be determined the type (for example media player or portable computer) of PCD, and automatically comes work with the configuration with this PCD compatibility.
AUI 412 can make annex can be connected to keyboard annex 400.In certain embodiments, AUI 412 can comprise with by the iPod of Apple Inc. produce and market
30 pin connectors of used connector correspondence on the product.Alternatively or additionally, AUI 412 can comprise other connectors and/or wave point (for example bluetooth etc.).In certain embodiments, AUI 412 can comprise more than a connector, with can be connected more than an annex.
In certain embodiments, keyboard annex 400 can give the annex that is connected to keyboard annex 400 as intermediary.For example, when annex was connected to keyboard annex 400, keyboard annex 400 can give this annex as break-through (pass-through) entity.In this case, though this annex only actually is directly connected to keyboard annex 400 rather than PCD, this annex can with the PCD direct communication that is connected, and not can be appreciated that the existence of keyboard annex 400.Submitted on January 6th, 2010 jointly at the U.S. Provisional Patent Application No.61/292 of examination, the details that keyboard annex 400 is worked as intermediary has been described in 619.
In certain embodiments, be used to make the electric energy of keyboard annex work to provide by the PCD that is connected to the keyboard annex.The keyboard annex can be designed to be able to a plurality of operating voltage work.When only having PCD to be connected to this keyboard annex, the keyboard annex can be with first voltage (for example 3.3 volts) work, and this first voltage can be supplied with by PCD.When annex was connected to PCD through the keyboard annex, PCD also can provide electric energy to this annex through the keyboard annex.In certain embodiments, annex can be worked with second voltage different with first voltage (for example 4.2 volts).In certain embodiments, the keyboard annex can be reconfigured for himself under this second voltage and work, seamlessly to work with PCD and this annex.The details of this operation is described in conjunction with Fig. 8 hereinafter.Should be noted that embodiment mentioned above is not limited to comprise the annex of keyboard or input equipment.Any functional circuit in any annex can be configured to as mentioned above with two different voltage levvl work.
Be appreciated that system configuration described in the application and assembly are exemplary, can have various changes and modification.PCD and/or keyboard annex can have unspecial other abilities (for example mobile phone, GPS (GPS), broadband data communication, Internet connection ability etc.) of describing among the application.
As required, the connector of each interface can be complementary, also can not be.When two connectors and incomplementarity, can provide adapter to connect two equipment.In addition, in certain embodiments, some during these connect can be wireless, can omit connector under the situation that wave point is provided.
In addition, although described PCD and keyboard annex with reference to specific square frame among the application, should be appreciated that these square frames are to limit for convenience, and should not think that the special entity that has hinted component part disposes.In addition, these square frames not necessarily will be corresponding to the assembly that separates on entity.Square frame can be configured to carry out various operations (for example by processor is programmed or suitable control circuit is provided), depends on the mode that obtains initial configuration, and each square frame can be reconfigured, and also can not reconfigure.Embodiments of the invention can realize that these equipment comprise the electronic equipment of realizing with the combination in any of circuit or software with the form of various device.
The annex I/O interface 308 of PCD 300 and the PCD interface 406 of keyboard annex 400 make PCD300 can be connected to keyboard annex 400, and disconnect from keyboard annex 400 subsequently.As used in this application, whenever set up communication channel between annex I/O interface 308 and PCD interface 406, PCD 300 and keyboard annex 400 are " connected "; And whenever be terminated at this communication port, they are by " disconnection ".Connection can be by entity attaching (for example between the corresponding matching connector of PCD 300 and keyboard annex 400), by connecting (for example cable) indirectly or realizing by setting up wireless communication.Similarly, disconnection can break away from, disconnect cable, shutoff PCD 300 by entity or close wireless communication and realize.Like this, various communication ports be can use, wired passage (for example USB, FireWire or universal asynchronous receiver/transmitter (" UART ")) or wireless passage (for example bluetooth and WiFi) comprised.In certain embodiments, can open a plurality of communication ports between PCD and the keyboard annex simultaneously, perhaps, PCD can be connected to a plurality of annexes through the keyboard annex, and each annex uses different communication ports.
Regardless of the particular communication passage, as long as PCD 300 is connected to each other with keyboard annex 400, these equipment just can be by communicating by letter with data according to PCD accessory protocol exchange command, described PCD accessory protocol through customization with communicating by letter between any in the possible annex of supporting PCD and certain scope.The PCD accessory protocol can define the form that is used for sending message between PCD 300 and keyboard annex 400.For example, the PCD accessory protocol can be defined in and send each message in the grouping (packet) with head (header) and optional useful load (payload).Head provides essential information (for example beginning the length of designator, grouping and the order that will be handled by the recipient), and useful load provides any data that are associated with this order; The amount of the data that are associated can be for different orders and difference, and number order can have the useful load of variable-length.In various embodiments, the PCD accessory protocol can define concrete order, to show the action that will be taked by the recipient; To the change of the finishing of task, state or the wrong signal that provides; And/or the character of the data that are associated of sign.In certain embodiments, these orders may be defined as and make specific order only effective in one direction.As known in the art, grouping can also comprise error-detecting or error correction code.
The PCD accessory protocol can define a plurality of " enigmatic language (lingo) ", and wherein, " enigmatic language " is one group of information concerning order can being supported (or not supporting) by various types of other annex.In certain embodiments, order can be identified uniquely by first byte and second byte, described first byte-identifier enigmatic language that belongs to of this order, described second byte-identifier particular command in this enigmatic language.Also can use other imperative structures.Do not require that all PCD that all annexes or annex can be connected to support each enigmatic language that defines in the PCD accessory protocol.
In certain embodiments, but keyboard annex 400 and each PCD 300 of being designed to collaborative work each other support " general " enigmatic language at least, described general enigmatic language comprise for whole these equipment common order.General enigmatic language can comprise following order: these orders make PCD and annex (for example keyboard annex) can to square mark himself and provide and they relevant overall informations of ability (comprising which other enigmatic language (if any) of each self-supporting) separately.General enigmatic language can also comprise authentication command, PCD can use described authentication command to verify keyboard annex and arbitrarily the annex identity of claiming and ability (otherwise or), if authentication is unsuccessful, then keyboard annex and this annex (or PCD) can be prevented from calling some order or enigmatic language.
In certain embodiments, the keyboard annex can be communicated by letter with PCD by using the grouping that sends and receives information of PCD accessory protocol.In certain embodiments, the keyboard annex can be expressed as keystroke USB human interface device (HID) incident.Like this, the keyboard annex can be included in USB HID event report in the grouping in accordance with the PCD accessory protocol, and sends this grouping to PCD.PCD can resolve (parse) and explain with definite which key and be pressed down the grouping that is received.USB HID agreement has been stipulated and can be used for some report with other devices communicatings by HID (for example keyboard).USB Device Class Definition for Human Interface Devices (HID), firmware specification, Version 1.11 (the USB device class declaration of human interface device (HID), firmware specification, version 1.11) standard provides the detailed description for various HID reports.
After PCD was connected to this keyboard annex, the keyboard annex can send RegisterDescriptor (registration descriptor) order to PCD.RegisterDescriptor order can comprise that following content is as its useful load: the HID descriptor, country code, USB vendor id, the USB product IDs that are used for this keyboard.When receiving the RegisterDescriptor order, PCD can judge that this keyboard annex is a HID equipment.In addition, the RegisterDescriptor order annex that can also be connected to the PCD notice is that keyboard and PCD should expect to receive the HID incident relevant with keyboard from the annex that is connected.In certain embodiments, PCD can register a plurality of descriptors, and these descriptors can be associated with an annex or a plurality of annex.In this case, each descriptor can be endowed certain unique sign (for example numeral or alphanumeric code), to follow the tracks of and to manage this descriptor.
The keyboard annex can send UnregisterDescriptor (removing the registration descriptor) order to PCD.The UnregisterDescriptor order notifies this keyboard annex no longer to send any HID incident relevant with keyboard to PCD to PCD.The unique identification that the UnregisterDescriptor order can comprise following descriptor is as its useful load, and this descriptor is associated with the annex that will remove registration.For example, before PCD disconnected from the keyboard annex, perhaps as the part of this disconnection process, the keyboard annex can send the UnregisterDescriptor order.
The keyboard annex can send AccReport (annex report) order to PCD.AccReport order can comprise Report Type and with the one or more button pressed actions relevant one or more HID incidents performed to this keyboard annex.In a kind of example, the AccReport order can send to PCD with regular intervals of time (for example per 8 milliseconds of ground).In certain embodiments, if last time transmission with next time between the transmission (for example after transmission last time in 8 milliseconds) a plurality of HID incidents of generation, then these a plurality of HID incidents can be divided into groups as one by gathering (aggregate) and per 8 milliseconds of ground and be sent to PCD.
PCD can send PCDReport (PCD report) order to the keyboard annex.The PCDReport order can comprise the type and the report data of report, and described report data can comprise the used instruction of keyboard annex execution action.In certain embodiments, the PCDReport order can comprise the HID report information that comes setting key disc enclosure state according to current PCD state, for example upgrades indicator 408 (for example caps lock, number lock, PCD power supply/charging, keyboard back light etc.).For example, in response to receiving caps lock button pressed incident by PCD from keyboard, the PCDReport order can comprise the instruction that the caps lock indicator that makes on the keyboard annex is lighted.In certain embodiments, the PCDReport order can also be used to transmitting error messages to the keyboard annex.
In certain embodiments, the keyboard annex can send the button pressed event command to PCD when being connected with PCD.When the keyboard annex was connected to PCD, the keyboard annex can send the RegisterDescriptor order to PCD.As mentioned above, the annex that connected to the PCD notice of this RegisterDescriptor order is that keyboard and this PCD should receive the HID incident relevant with keyboard from annex.For example, when the user depressed button (for example " A " button) on the keypad, keyboard produced the HID incident relevant with this button pressed, and use PCD accessory protocol sends this HID incident to PCD.In case PCD receives this PCD accessory protocol order, just can resolve to judge that " A " button on the keypad is pressed down this order, subsequently PCD can be on the display of PCD character display " A ".In certain embodiments, PCD can come the various indicator lamps on the keyboard annex are controlled, to show whether received correct button pressed incident according to the input that receives from the keyboard annex.For example, because the caps lock button can not cause character display on the screen,, the user whether received the HID incident that is associated with the caps lock button so may not knowing PCD.Under such situation, after receiving the caps lock incident, PCD can send order lighting the indicator that is associated with the caps lock button to keyboard, thus the vision indication that provides PCD correctly to receive this incident.In certain embodiments, PCD can come according to the surround lighting in the keyboard annex surrounding environment brightness of the device indicating on the keyboard annex is controlled, and for example, the room is bright more, and the brightness of device indicating is just high more.
Although above described the order relevant with the keyboard annex, should be noted that any equipment that can realize the PCD accessory protocol can use these to order and transmit and receive data with PCD.
As mentioned above, PCD and keyboard annex can use the PCD accessory protocol to communicate with one another.In one embodiment, PCD can receive the order that sends by the PCD accessory protocol, and can make an explanation to determine the button pressed incident according to the information that comprises in this order to this order.Fig. 6 illustrates the software stack 600 that comprises in the portable computing device according to an embodiment of the invention, and it can be used for the order that receives from annex by the grouping of observing the PCD accessory protocol is made an explanation, and these orders can comprise USB HID report.Software stack 600 for example can realize in the processor 302 of the PCD 300 of Fig. 3.
Agreement demons (daemon) 602 in the PCD can be controlled the communication of PCD accessory protocol.In one embodiment, agreement demons 602 can receive the PCD accessory protocol grouping that is sent by external unit (for example keyboard annex), extract order and any relevant data, and send this message to protocol manager 606.In another kind of embodiment, agreement demons 602 can receive from protocol manager 606 comprise the order of PCD accessory protocol and the external message of data, and can produce the grouping that comprises this message and with this transmitted in packets to the annex (for example keyboard annex) that links to each other with PCD.
Supporting layer 608 can make an explanation to order and data, and indicates the action that will carry out according to this order to application corresponding.
In certain embodiments, agreement demons 602 can receive the grouping that comprises the AccReport order, extract order and data (being the HID report) and they are transmitted to protocol manager 606.Protocol manager 606 can be recognized as AccReport and show the data that are associated corresponding to USB HID report, and with the USB stack 612 in this HID report guiding application support layer 608.USB stack 612 can determine that this USB HID report comprises button pressed incident (for example relevant with button " A ").Subsequently, supporting layer 608 can notify " A " button to be depressed to suitable applications, and this application can carry out action according to this information, for example character display " A " on the display of PCD.
Similarly, if application program 610 determines and should take interested action (for example should caps lock allowable) to the keyboard annex that then this application program can be indicated the caps lock indicator on the supporting layer 608 keyboard annexes allowable.Supporting layer 608 can be indicated USB stack 612 to produce external USB HID report and can be instructed protocol manager 606 that external HID report is propagated and give PCD, and described report shows that the caps lock indicator should be lighted.Communicate this fact according to annex by the PCD accessory protocol rather than by USB, protocol manager 606 can produce the PCDReport order and send message to agreement demons 602, and this message comprises this order and HID report.Agreement demons 602 can make up and comprise this PCDReport order and the externally PCD accessory protocol grouping of HID report, and can send this order to annex according to the PCD accessory protocol.
In one embodiment, the keyboard annex can generation and button pressed and the relevant incident of other operations of using this keyboard to carry out.In certain embodiments, the form that can report with the HID that observes the USB standard produces these incidents.Fig. 7 is according to embodiments of the invention, is used for transmitting between keyboard annex (for example keyboard annex 100 of Fig. 1) and PCD (for example PCD 200 of Fig. 2) process flow diagram of the processing 700 of message.
At square frame 702, receive grouping in accordance with the PCD accessory protocol from external unit (for example keyboard annex).For example, this grouping can comprise AccReport order and the button pressed event report that is produced by the keyboard annex.This grouping for example can be received by the agreement demons 602 of Fig. 6.Determine the content of this grouping at square frame 704.
At square frame 706, for example handle, to determine the button pressed incident by 608 pairs of these groupings of supporting layer.For example, USB HID report can be handled by USB stack 612, and USB stack 612 can be determined the specific button pressed incident that comprised in this HID report.In case determined the button pressed incident, at square frame 708, this information just can be sent to suitable applications program, operating system (OS) program or other programs.When receiving the button pressed event information, program can be carried out action according to this button pressed information, for example shows and this button pressed incident corresponding characters on display.
Be appreciated that the processing of describing among the application 700 is exemplary, various modifications and changes forms can be arranged.The action that is described to carry out successively can be carried out concurrently, and the order of action can be changed, and action also can be modified and make up.For example, according to the order that receives from PCD, some button pressed incidents may cause PCD that the indicator on the keyboard annex is controlled, and for example, push caps lock and can cause the caps lock indicator on the keyboard to be lighted.In other examples, the grouping of PCD accessory protocol can not comprise the button pressed incident, but only comprises the configuration information of keyboard annex.
As mentioned above, the one or more HID button pressed incidents that produced by the keyboard annex can send to PCD with the form of USB HID report.In certain embodiments, each button pressed incident can send with the form of the bit-masks (bit mask) of 8 bytes, and this bit-masks is the part of USB HID protocol command.In certain embodiments, USB HID report can be as mentioned above be sent out as the useful load of PCD accessory protocol order.Controller in the keyboard annex can receive these button pressed incidents, and one or more this incidents are included in the USB HID report, and described USB HID reports will be as the useful load of the order that is used for the PCD accessory protocol and involved.Then, this order can be sent to PCD through the PCD interface connector.PCD can receive this order through its AUI, and this order is resolved to discern the content of this order, and is for example above described in conjunction with Fig. 5.
Be appreciated that these processing of describing among the application are exemplary, various changes and modification can be arranged.PCD can support the application of any kind, and application can be initiated under the control of user or other processing or withdraw from.Can expect, various rudimentary processing (supporting layer 608, protocol manager 606 and agreement demons 602) can realize with the form of software and/or firmware, and can be configured to when equipment is switched on, start automatically, and only just stop when device powers down or when detecting various unusual condition.These processing can enter inertia (inactive) state obsolete the time, so that resource consumption is the least possible.In addition, level shown in the application and processing are not all essential; For example, in certain embodiments, application can be directly and protocol manager or agreement demons communicate.
As mentioned above, the keyboard annex can be designed to work with additional annex, and these additional annexes are connected to PCD by the attachment port 140 of this keyboard annex.In many cases, these annexes that connect through attachment port 140 can have different operating voltage.In some cases, the operating voltage of annex can be different with the operating voltage of keyboard annex.In this case, keyboard is operated under the identical voltage, because operating voltage is provided by PCD with this annex.Have single operating voltage demand by making under these situations, PCD can be easily, seamlessly work with a plurality of annexes, and need not to disconnect annex.
Fig. 8 is the process flow diagram that makes the processing 800 of keyboard annex work according to embodiments of the invention.At square frame 801, the keyboard annex can determine whether PCD is attached thereto through the PCD interface.Be not connected if be judged to be PCD, then the keyboard annex can wait for that PCD connects.Be connected to the keyboard annex if be judged to be PCD at square frame 801, then at square frame 802, whether the keyboard annex can be checked has other annex to be connected to this keyboard annex.If there is not other annex to be connected to the keyboard annex, then at square frame 803, the electric energy that keyboard can use PCD to provide is worked with its normal voltage (for example 3.3 volts).Whether in addition, the keyboard annex can continue to check has annex to be connected to this keyboard annex.Be connected to this keyboard annex if be judged to be additional annex at square frame 802, then at square frame 804, the keyboard annex can be determined the power requirement of this annex.In certain embodiments, this annex can automatically send its power requirement to the keyboard annex when connecting.In other embodiments, the keyboard annex can be determined the resistance value between two designated pin (for example annex detects pin and annex ID pin) of attachment port 140 when this annex is connected.This resistance value can indicate the operating voltage of this annex.Then, at square frame 805, the keyboard annex can transmit the power requirement of this annex to PCD.PCD determines the operating voltage demand of this annex when receiving this power requirement.For example, PCD can comprise look-up table, and this look-up table has been listed the various resistance values of annex and the operating voltage of their correspondences.
PCD can be through the keyboard annex to the required operating voltage of this annex supply.At square frame 806, the keyboard annex receives the voltage that makes this annex work from PCD.Then, the keyboard annex can be used as conductor, will be supplied to this annex from the voltage that PCD receives.In addition, in response to receiving the voltage that makes this annex work from PCD, at square frame 807, the keyboard annex can be started working with the voltage level identical with this annex.In certain embodiments, the keyboard annex can receive control signal from PCD, and this signal indicating PCD will supply the voltage that equates with the operating voltage of this annex.When the keyboard annex received this control signal, the keyboard annex can change its operating voltage from its normal value, to be complementary with the voltage that is provided by PCD (this voltage is the operating voltage of this annex).For example, the normal working voltage of keyboard annex can be 3.3 volts, and the normal working voltage of annex can be 4.2 volts.Do not having under the situation of annex, the keyboard annex can be with 3.3 volts voltage power supply by the PCD supply.But after annex was connected, the keyboard annex can be reconfigured for himself with 4.2 volts of work, promptly with the operating voltage work of annex.
Make the keyboard annex can allow various annexes to be connected to the keyboard annex and use, and need not the keyboard annex is disconnected from PCD with different voltage power supplies with PCD.This is providing more flexibility aspect annex that can be used for PCD is selected.In addition, if desired, the keyboard annex also can be used for this annex is controlled.
Be appreciated that the processing 800 described in the application is exemplary, various changes and modification can be arranged.The action that is described to carry out successively can be carried out concurrently, and the order of action can be changed, and action also can be modified or make up.For example, the keyboard annex can be from the attachment request power requirement; On the contrary, the visit information that the keyboard annex stores in can the storer according to the sign of annex and keyboard annex, the power requirement of coming automatically to determine this annex, described visit information has been listed the power requirement of various annexes.
Embodiments of the invention can be realized with the combination in any of personal module and/or programmable processor and/or other programming devices.Various processing described in the application can realize on same processor, also can realize on the different processor of combination in any.Therefore, be described to be configured to carry out under the situation of some operation at each parts, this configuration can for example be finished by following manner: the design electronic circuit come executable operations, by programmable electronic circuit (for example microprocessor) is programmed executable operations or their combination in any.Each processing can use various technology to communicate, the conventional art of (inter-process) communication between these technology include but not limited to be used for handling, different right processing can be used different technology, perhaps, also can use different technology in different with a pair of processing.In addition, although the foregoing description may have been quoted concrete hardware and software component, it will be understood by those skilled in the art that other combinations that also can use hardware and/or component software, and be described to also can realize that vice versa by software by hard-wired some operation.
The computer program that comprises the various features of the present invention can be coded on the various non-instantaneous computer-readable mediums to store and/or to transmit; Suitable medium comprises disk or tape, light-memory medium (for example compact-disc (CD) or DVD (digital versatile dish)), flash memory etc.By program code carry out calculation of coding machine computer-readable recording medium can with the equipment package of compatibility together, also can separate with other equipment provides (for example downloading by the Internet).
Therefore, although describe the present invention, be appreciated that the present invention should cover whole changes and the equivalents in the claims scope with reference to specific embodiment.
Claims (24)
1. annex that is used for portable computing device, described annex comprises:
AUI, it is configured to be connected to additional annex and provides electric energy to described additional annex;
The portable computing device interface, it is configured to be connected to described portable computing device and receives electric energy from described portable computing device; And
Circuit, it is configured to first operating voltage or the second operating voltage work, and described first operating voltage is corresponding to described annex, and described second operating voltage is corresponding to described additional annex;
Wherein, described circuit also is configured to: when described additional annex is connected to described AUI, and with the described second operating voltage work, otherwise with the described first operating voltage work.
2. annex according to claim 1, wherein, described second operating voltage is higher than described first operating voltage.
3. annex according to claim 1, wherein, described circuit also is configured to: determine and the corresponding resistance value of second power requirement, and transmit described resistance value to described portable computing device.
4. annex according to claim 1 also comprises metallic object, and described metallic object is configured to stability is provided and provide grounding path to keypad and described circuit to described annex.
5. annex according to claim 4, wherein, described metallic object mainly is made up of zinc.
6. annex according to claim 4, wherein, described metallic object occupies 45% to 55% of pedestal volume.
7. method that is used to make annex work, described annex has the first work energy demand, and described method comprises by described annex carries out following operation:
From being connected to the additional annex of described annex, receive the information that is associated with the second work energy demand that makes described additional annex work;
Transmit the information that is associated with the second work energy demand to the portable computing device that is connected to described annex, wherein, the described second work energy demand is different with the described first work energy demand;
Receive and the corresponding voltage of the described second work energy demand from described portable computing device; And
Use with the corresponding voltage of the described second work energy demand and come work.
8. method according to claim 7, wherein, the described first work energy demand is lower than the described second work energy demand.
9. method according to claim 7, wherein, the step that receives the information that is associated with the described second work energy demand comprises: definite resistance value that is associated with the described second work energy demand.
10. annex that is used for portable computing device, described annex comprises:
User input device, it comprises the circuit that is associated;
Control assembly, it is connected to keypad, and described control assembly comprises:
First interface, it is configured to accept portable computing device;
Second interface, it is configured to accept another annex;
Control circuit, it is coupled to described first interface and described second interface; And
Metallic object, its constitute described annex more than 50% gross mass, described metallic object is configured to provide ground connection connection to described keypad circuit with described control circuit.
11. annex according to claim 10, wherein, described user input device is a keyboard.
12. annex according to claim 10, wherein, described annex is configured to use Management Information Base to communicate by letter with described portable computing device, and this group command comprises:
Can be by of first order of described annex to described portable computing device transmission, described first order comprises the configuration information relevant with described annex; With
Second order that can be sent to described portable computing device by described annex, described second order comprise the USB HID report that is associated with one or more button pressed incidents on the described keypad.
13. annex according to claim 10 also is configured to:
Definite resistance value that is associated with the power requirement of described another annex that is connected to described second interface; And
Transmit described resistance value to described portable computing device.
14. an annex that is used for portable computing device, described annex comprises:
Keypad, it comprises one or more buttons;
The portable computing device interface, it is configured to use the device-specific agreement that customizes at described portable computing device to communicate by letter with described portable computing device, and described agreement comprises defined Management Information Base; And
Controller, it is coupled to described keypad and described portable computing device interface, and is configured to generate the order of the device-specific agreement that will transmit to described portable computing device, and wherein, this group command comprises:
Can be by of first order of described annex to described portable computing device transmission, described first order comprises the configuration information relevant with described annex; And
The user that can carry out in response to the button to described keypad operates and is ordered to second of described portable computing device transmission by described annex, and described second order comprises the information that has identified one or more buttons of being operated in the described keypad.
15. annex according to claim 14, wherein, this group command also comprises:
Can be by the 3rd order of described annex reception, the described annex of described the 3rd order indication is lighted the indicator that is associated with described button.
16. annex according to claim 14, wherein, described configuration information comprises HID descriptor, country code, USB vendor id, the USB product IDs that is used for described annex.
17. annex according to claim 14, wherein, the described information that has identified the one or more buttons in the described keypad is USB HID report.
18. an annex that is used for portable computing device, described annex comprises:
Base member, it has front surface, rear surface, top surface, flat basal surface and at least one narrow support section of described basal surface below projection basically, described support section extends on the whole basically width of described base member, and be arranged in described basal surface, from the first farther end of described front surface;
The connector of plugging into, its top surface from described base member extends upward, and the described connector of plugging into is suitable for being connected to portable computing device; With
The keypad parts, it has keypad, and described keypad parts join described base member near the top edge of described front surface, and the angular direction is extended to the edge, front lower place from described front surface, described keypad parts have first support member and have second support member in second lower corner in first lower corner
Wherein, first support member and second support member of the support section of base member and described keypad parts are arranged such that: when the keyboard annex is placed on the flat basically placement surface, first support member of the support section of described base member and described keypad parts contacts with described placement surface with second support member, and the flat basically basal surface of described base member is retained as with described placement surface and separates.
19. annex according to claim 18, wherein, described base member comprises the zinc body.
20. annex according to claim 19, wherein, described base member comprises and is used for control panel that the work of described keyboard annex is controlled, and described control panel is by described zinc body and ground connection.
21. annex according to claim 18 also comprises the accessory connector that is arranged on the described rear surface, described accessory connector is configured to accept additional annex and described additional annex is coupled to described portable computing device.
22. one kind is used for method for communicating between annex and portable computing device, described method comprises by described portable computing device carries out following operation:
Receive order from described annex, described order is observed the PCD accessory protocol and is comprised the information relevant with the button pressed incident, and described PCD accessory protocol customizes for ease of communicating by letter between described portable computing device and the annex;
Analyze described order, with the button pressed incident of determining to comprise in the described order; And
Carry out action according to described button pressed incident.
23. method according to claim 22, wherein, the step of analyzing described order comprises:
Software stack in described portable computing device transmits and the relevant information of described button pressed incident; And
Basis and the relevant information of described button pressed incident are determined the button pressed incident at least in part.
24. method according to claim 22, wherein, the information relevant with described button pressed incident is annex HID report.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29264010P | 2010-01-06 | 2010-01-06 | |
| US61/292,640 | 2010-01-06 | ||
| US12/772,952 | 2010-05-03 | ||
| US12/772,952 US8543745B2 (en) | 2010-01-06 | 2010-05-03 | Accessory for a portable computing device |
| PCT/US2010/050411 WO2011084198A1 (en) | 2010-01-06 | 2010-09-27 | Accessory for a portable computing device |
| USPCT/US2010/050411 | 2010-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102117121A true CN102117121A (en) | 2011-07-06 |
| CN102117121B CN102117121B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010622470.3A Expired - Fee Related CN102117121B (en) | 2010-01-06 | 2010-12-24 | Accessory for a portable computing device and method for enabling accessory to work |
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| Country | Link |
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| CN (1) | CN102117121B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890551A (en) * | 2011-07-20 | 2013-01-23 | 致伸科技股份有限公司 | Input device of flat computer |
| CN103412644A (en) * | 2012-05-14 | 2013-11-27 | 微软公司 | Accessory device architecture |
| US9618977B2 (en) | 2012-03-02 | 2017-04-11 | Microsoft Technology Licensing, Llc | Input device securing techniques |
| US9678542B2 (en) | 2012-03-02 | 2017-06-13 | Microsoft Technology Licensing, Llc | Multiple position input device cover |
| US9706089B2 (en) | 2012-03-02 | 2017-07-11 | Microsoft Technology Licensing, Llc | Shifted lens camera for mobile computing devices |
| US9870066B2 (en) | 2012-03-02 | 2018-01-16 | Microsoft Technology Licensing, Llc | Method of manufacturing an input device |
| US10031556B2 (en) | 2012-06-08 | 2018-07-24 | Microsoft Technology Licensing, Llc | User experience adaptation |
| US10228770B2 (en) | 2012-06-13 | 2019-03-12 | Microsoft Technology Licensing, Llc | Input device configuration having capacitive and pressure sensors |
| US10359848B2 (en) | 2013-12-31 | 2019-07-23 | Microsoft Technology Licensing, Llc | Input device haptics and pressure sensing |
| US10578499B2 (en) | 2013-02-17 | 2020-03-03 | Microsoft Technology Licensing, Llc | Piezo-actuated virtual buttons for touch surfaces |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8935774B2 (en) | 2012-03-02 | 2015-01-13 | Microsoft Corporation | Accessory device authentication |
| US9304549B2 (en) | 2013-03-28 | 2016-04-05 | Microsoft Technology Licensing, Llc | Hinge mechanism for rotatable component attachment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297176A (en) * | 1999-11-17 | 2001-05-30 | 威盛电子股份有限公司 | Transition card with dual-processor structure |
| US6463487B1 (en) * | 1999-06-11 | 2002-10-08 | Lockheed Martin Corporation | Adjustable pointer controller with voltage thresholds control for conveying user inputs to a computer equipped with a user port or PS/2 port |
| US20070250721A1 (en) * | 2006-04-20 | 2007-10-25 | Advanced Micro Devices, Inc. | Power ok distribution for multi-voltage chips |
| CN201993675U (en) * | 2010-01-06 | 2011-09-28 | 苹果公司 | Accessory used for portable calculation equipment |
-
2010
- 2010-12-24 CN CN201010622470.3A patent/CN102117121B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6463487B1 (en) * | 1999-06-11 | 2002-10-08 | Lockheed Martin Corporation | Adjustable pointer controller with voltage thresholds control for conveying user inputs to a computer equipped with a user port or PS/2 port |
| CN1297176A (en) * | 1999-11-17 | 2001-05-30 | 威盛电子股份有限公司 | Transition card with dual-processor structure |
| US20070250721A1 (en) * | 2006-04-20 | 2007-10-25 | Advanced Micro Devices, Inc. | Power ok distribution for multi-voltage chips |
| CN201993675U (en) * | 2010-01-06 | 2011-09-28 | 苹果公司 | Accessory used for portable calculation equipment |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890551A (en) * | 2011-07-20 | 2013-01-23 | 致伸科技股份有限公司 | Input device of flat computer |
| US9870066B2 (en) | 2012-03-02 | 2018-01-16 | Microsoft Technology Licensing, Llc | Method of manufacturing an input device |
| US10963087B2 (en) | 2012-03-02 | 2021-03-30 | Microsoft Technology Licensing, Llc | Pressure sensitive keys |
| US9852855B2 (en) | 2012-03-02 | 2017-12-26 | Microsoft Technology Licensing, Llc | Pressure sensitive key normalization |
| US9619071B2 (en) | 2012-03-02 | 2017-04-11 | Microsoft Technology Licensing, Llc | Computing device and an apparatus having sensors configured for measuring spatial information indicative of a position of the computing devices |
| US9678542B2 (en) | 2012-03-02 | 2017-06-13 | Microsoft Technology Licensing, Llc | Multiple position input device cover |
| US9706089B2 (en) | 2012-03-02 | 2017-07-11 | Microsoft Technology Licensing, Llc | Shifted lens camera for mobile computing devices |
| US9710093B2 (en) | 2012-03-02 | 2017-07-18 | Microsoft Technology Licensing, Llc | Pressure sensitive key normalization |
| US9766663B2 (en) | 2012-03-02 | 2017-09-19 | Microsoft Technology Licensing, Llc | Hinge for component attachment |
| US9618977B2 (en) | 2012-03-02 | 2017-04-11 | Microsoft Technology Licensing, Llc | Input device securing techniques |
| US10013030B2 (en) | 2012-03-02 | 2018-07-03 | Microsoft Technology Licensing, Llc | Multiple position input device cover |
| US9946307B2 (en) | 2012-03-02 | 2018-04-17 | Microsoft Technology Licensing, Llc | Classifying the intent of user input |
| US9904327B2 (en) | 2012-03-02 | 2018-02-27 | Microsoft Technology Licensing, Llc | Flexible hinge and removable attachment |
| US9959241B2 (en) | 2012-05-14 | 2018-05-01 | Microsoft Technology Licensing, Llc | System and method for accessory device architecture that passes via intermediate processor a descriptor when processing in a low power state |
| CN103412644B (en) * | 2012-05-14 | 2016-12-07 | 微软技术许可有限责任公司 | accessory device architecture |
| CN103412644A (en) * | 2012-05-14 | 2013-11-27 | 微软公司 | Accessory device architecture |
| US10031556B2 (en) | 2012-06-08 | 2018-07-24 | Microsoft Technology Licensing, Llc | User experience adaptation |
| US10228770B2 (en) | 2012-06-13 | 2019-03-12 | Microsoft Technology Licensing, Llc | Input device configuration having capacitive and pressure sensors |
| US10578499B2 (en) | 2013-02-17 | 2020-03-03 | Microsoft Technology Licensing, Llc | Piezo-actuated virtual buttons for touch surfaces |
| US10359848B2 (en) | 2013-12-31 | 2019-07-23 | Microsoft Technology Licensing, Llc | Input device haptics and pressure sensing |
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