Abstract: According to various embodiments, there is provided an input device including a height sensor structure configured to provide a height output indicative of whether a gap between the input device and a reference surface is larger than a threshold value; a control circuit configured to control tracking of a movement of the input device in a plane defined by the reference surface, based on the height output; a motion detector configured to provide a detector output indicative of a direction of an at least substantially vertical motion of the input device; and an adjustment circuit configured to adjust the threshold value based on the detector output.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a computer mouse having a tracking device to navigate in a graphical user interface presented by a software application or control aspects thereof, a plurality of buttons, a scroll wheel, a display, a memory, and a controller coupled to the tracking device, the plurality of buttons, the display, and the memory. The controller can be operable to present by way of the display a plurality of scrollable options to program a corresponding plurality of operational parameters of the computer mouse, detect from a tactile contact of at least one of one or more of the plurality of buttons and the scroll wheel a selection from the plurality of options, store in the memory the selection, and operate at least one of the plurality of operational parameters of the computer mouse according to the stored selection. Additional embodiments are disclosed.

Abstract: Disclosed is a controller capable of changing volume. The controller according to the present invention includes a housing; a volume changing unit installed outside the housing and having one end and the other end movable with respect to the housing, respectively; a driving unit for moving at least one of one end and the other end of the volume changing unit; and a control unit for controlling the driving unit. According to the present invention, it is possible to improve a user's feeling of use and to enhance satisfaction and fun by variously changing the volume, shape, etc. of a controller.

Abstract: A peripheral device includes a flat body, a control module, a wireless charging module, a first connector module, a second connector module, and a signal transmission module. The wireless charging module is electrically connected to the control module. The wireless charging module is disposed in the flat body. The first connecter module is disposed in the flat body. The second connector module is disposed in the flat body. The signal transmission module is electrically connected to the control module, the first connector module, the second connector module, and the wireless charging module. The signal transmission module is disposed in the flat body. A turn-on state or a turn-off state of the wireless charging module is determined based on whether the first connector module is electrically connected to wireless signal receiver or not.

Abstract: A mouse includes a button portion, a deformable holding portion and a change-over switch. The button portion has a lower housing and an upper housing assembled to the lower housing. The upper housing has a first button and a second button. The deformable holding portion is connected to the button portion and includes a palm supporting area, a first and second electroactive material layers respectively disposed on two sides of the palm supporting area, and a first and second flexible material layers respectively covering the first and second electroactive material layers. The change-over switch is disposed on the lower housing. The change-over switch is selectively electrically connected to the first electroactive material layer or the second electroactive material layer.

Abstract: A lighting control method of an optical pointing device is provided. An electric current is applied to a light emitting element within a predetermined turned-on period of an image sampling cycle, so that the light emitting element generates a light beam projected on a work surface where the optical pointing device is placed. A surface image of the work surface is captured by an image sensor within the predetermined turned-on period of the image sampling cycle. The surface image is analyzed to obtain a brightness of the surface image within the image sampling cycle. A current value of the electric current applied to the light emitting element according to the brightness of the surface image is determined before a starting point of a next image sampling cycle, such that a brightness of another surface image captured during the next image sampling cycle is maintained within a predetermined range.

Abstract: A distributed interface is provided with real-time updates. A first user accessing the interface through a first user window is dynamically updated within the first user window and in real time when a second user accessing the interface through a second user window changes a field/character within the second user window. In an embodiment, the updated notification is achieved without window refreshing and without a committed update for the field/character change being committed by the second user to a back end system associated with the distributed interface.

Abstract: A mouse usable as a wheel input device is described. In an embodiment, a mouse may include: a top surface; a touch sensor coupled to the top surface; a controller coupled to the touch sensor; and a memory coupled to the controller, the memory having instructions stored thereon that, upon execution by the controller, cause the mouse to: in response to detection, by the touch sensor, of a force against the top surface: (a) identify a primary click if the force is equal to or greater than a first threshold and smaller than a second threshold, or (b) identify a secondary click if the force is equal to or greater than the second threshold.

Abstract: A clicker toggle mechanism for a game controller is disclosed. The clicker toggle mechanism comprises a lever arm member and a barrel guide system. A screw member is threaded and affixed at a top portion of the lever arm member for adjusting and controlling the pull distance. The barrel is connected and extends through the bottom portion of the lever arm member. A clicker or toggle device is disposed underneath the device and locked in place with snaps. A toggle or clicker stopper screw barrel stopper pin at another end which is affixed to an armature to limit trigger or button pull distance. A clicker toggle connects to a bottom portion of the lever arm member, wherein the clicker toggle is pressed downwards to create a rotational force on the cam which locks in more than one position. The mechanism can be turned on and off during gameplay to allow unrestricted or restricted motion as needed. The barrel stopper pin guide, screw and clicker toggle mechanism can be completely removed as required by the user.

Abstract: The present invention discloses a layered electro-magnetic refreshable braille display device and braille reader. The layered electro-magnetic refreshable braille display device includes three layers of braille display modules and a touch panel. Each braille display module includes 5 plates and a plurality of tactile pin driving mechanisms for driving the “up” and “down” of the braille dots. One or more lines of braille cells are arranged on the touch panel. Each line of braille cells displays a plurality of braille characters. A microprocessor is connected to a braille translation module, a voice playing module and an interaction controller respectively, wherein the interaction controller is connected to the braille display device, to form the braille reader. This device can display one or more lines of braille characters by relying on the electro-magnetic principle. It boasts real-time refreshing of the braille, synchronization of braille display and voice playing.

Abstract: In one example, a mouse may include a base for movement along a horizontal surface, first and second sets of pins disposed in the base, and an upper shell movable relative to the base between multiple mode positions. The upper shell may include a first button and a second button. The first button and the second button may electrically connect to the first set of pins in a first mode position. The first button and the second button may electrically connect to the second set of pins in a second mode position to switch functions of the first button and the second button.

Abstract: A proximity sensor which uses very narrow divergent beams from Vertical Cavity Surface Emitting Laser (VCSEL) for the illumination source is disclosed. Narrow divergent beams in the range 0.5 to 10 degrees can be achieved to provide high proximity sensing accuracy in a small footprint assembly. One approach to reducing the beam divergence is to increase the length of the VCSEL resonant cavity using external third mirror. A second embodiment extends the length of the VCSEL cavity by modifying the DBR mirrors and the gain region. Optical microlenses can be coupled with the VCSEL to collimate the output beam and reduce the beam divergence. These can be separate optical elements or integrated with the VCEL by modifying the substrate output surface profile or an added a transparent layer. These methods of beam divergence reduction are incorporated into various embodiment configurations to produce a miniature proximity sensor suitable for cell phones and tablets.

Abstract: The present disclosure provides a mouse device comprising a casing and a scroll wheel assembly. The casing comprises an upper casing and a lower casing. The scroll wheel assembly is disposed between the upper casing and the lower casing, which comprises a securing base secured to the lower casing, a rotary base disposed on the securing base, a scroll wheel component movably disposed on the rotary base rotatable around a first axis relative to the rotary base, a measuring component secured to the rotary base, and a transmission mechanism connected to the rotary base, wherein the transmission mechanism transmits external force to the rotating base, such that the rotary base rotates around a second axis relative to the securing base to adjust the offset angle of the scroll wheel component.

Abstract: In one or more embodiments, a mouse for an information handling system has a plurality of force or tilt sensors. When a sensor detects a force or tilt value above a threshold value, a microcontroller unit (MCU) determines how fast the mouse is moving. If the mouse is moving above a threshold rate, the MCU determines the user is making a coarse movement and the MCU sends the mouse output to a processor for normal cursor adjustment. If the mouse is moving slower than a mouse speed threshold value, the MCU determines the user is trying to make a fine adjustment and the MCU adjusts the mouse sensitivity and sends the mouse output to the processor for fine cursor adjustment. The sensors may be in the bottom, sides or skirt of the mouse or a mousepad associated with the mouse.

Abstract: An optical mouse operated with respect to an illuminated surface outside the optical mouse is provided. The optical mouse includes a light source configured to emit a light beam, and a light pipe including a first optical element and a second optical element. The light beam enters the light pipe through the first optical element, and then propagates in the light pipe from the first optical element to the second optical element without reflection, and then leaves the light pipe through the second optical element, and then illuminates the illuminated surface. The light pipe does not have any protrusion extending therefrom and attached to a front surface of the light source.

Abstract: A table processing method, device, an interactive white board and a storage medium is disclosed. The method therein includes, when an erasing instruction is received, determining whether a current erasing operation is in a first cell of a created table; and, in response to the erasing operation is in the first cell, when the erasing operation ends, updating the first cell to shrink the first cell.

Abstract: An antenna device includes a plurality of antenna elements. Each of the plurality of antenna elements outputs radio signals transmitted to another antenna device arranged so as to be opposed to the antenna device. At least one of the plurality of antenna elements is configured in such a way that a polarization direction of the radio signals to be output can be switched between a first direction and a second direction that is orthogonal to the first direction.

Abstract: A touch sensitive audio-visual input/output device comprising an internal core comprising a controller, the controller associated with at least one processor and at least one memory store, at least one light emitter associated with the controller, at least one audio output component associated with the controller, at least one actuator provided relative to the housing and associated with the controller and configured to transmit touch inputs to the controller to control operation of the device, and a flexible, translucent outer casing for at least partially enclosing the internal core.

Abstract: The computer mouse adaptor holds a computer mouse thereon. The computer mouse includes an optical system to detect relative movement over a surface. The computer mouse adaptor includes a base to hold the computer mouse thereon. The base includes an optical device to interface with the optical system of the computer mouse and allow the computer mouse to provide its functionality while being held by the base. A charging system may be included to couple the charging interface of the computer mouse to a power source.

Abstract: A computer mouse includes a lightweight shell housing for improved performance in electronic sports applications. The shell housing includes a plurality of openings that are defined by support members supporting the integrity of the shell, yet reduce the overall weight of the computer mouse. In exemplary embodiments, the support members and openings may be present on either the upper shell surface, the bottom shell surface, side surfaces and/or any combination of the above. In an exemplary embodiment, the openings may be hexagonal forming a honeycomb framework that provides a rigid housing but omits a substantial amount of material from the housing that provides a significant weight reduction.

Abstract: An optical sensor assembly is provided. The optical sensor assembly includes a circuit board, an optical sensor positioned on the circuit board, and a front cover attached to the circuit board and covering the optical sensor. The front cover includes an optical element configured to guide or condense an incident light of a predetermined wavelength onto the optical sensor. The front cover is made of polypropylene or polyethylene. The predetermined wavelength is in a range from 8 micrometers to 12 micrometers.

Abstract: A method and apparatus are provided for user input to a computer. The apparatus consists of movable paddles with multiple axes of motion. The paddles are shaped to include means for holding the device while keeping a user's fingers and thumbs free to activate touch sensitive areas on the paddles. Both the positions of the paddles and the location of touches are used to determine the input codes sent to the computer.

Abstract: For enhancing multiple monitor arrangements, a method receives monitor data for a plurality of monitors. The monitor data for each monitor includes a physical dimension, a monitor resolution, a monitor position, and a scale factor. The method receives a transition preference specifying one of a physical parameter preference and a logical parameter preference for each monitor-to-monitor boundary of the plurality of monitors. The method calculates a display transition between adjacent monitors based on the monitor data and the transition preference.

Abstract: An optical navigation device comprising: a first optical sensing region, having a first power consumption rate; and a second optical sensing region, having a second power consumption rate higher than the first power consumption rate. The optical navigation device applies the first optical sensing region to sense first optical data when the optical navigation device moves for a first speed, and the optical navigation device applies the second optical sensing region to sense second optical data when the optical navigation device moves for a second speed higher than the first speed.

Abstract: Biometric templates (template) are used to store biometric data of one or more users. As biometric data of each user is unique and non-replaceable, template security is a major concern. This disclosure relates generally to template protection, and more particularly to a method and system for biometric template protection. The system generates a final perturbation value for data in the template, based on a first binary code (BC), a second binary code (BC?), feature vectors corresponding to data in the template, and an initial random perturbation. The final perturbation and the feature vectors are mapped to the first binary code. The first binary code represents the template. Every time the first binary code is compromised, the value of first binary code is updated, and the whole process is repeated to generate corresponding final perturbation and then the mapping is done.

Abstract: A clicker mechanism for a game controller is disclosed. The clicker mechanism comprises a taper-shaped member and a barrel. A screw member is threadably affixed at a top portion of the taper-shaped member for adjusting the pull distance. The barrel is removably extends from a bottom portion of the taper-shaped member. A cam is disposed at an inner portion of the taper-shaped member with snaps at one end and a cam stopper pin at another end. A clicker connects to a bottom portion of the taper-shaped member, wherein the clicker is pressed downwards to create a rotational force on the cam which locks the snaps to the screw member to hold the adjustable levers in position, and wherein the clicker is released to create a rotational force on the cam which unlocks the snaps from the screw member and allows movement of the adjustable levers.

Abstract: A method for configuring a mouse (1) for a computer (101), the mouse (1) comprising at least four degrees of freedom and being able to transmit one data signal (31) for each degree of freedom of the mouse (1), includes (i) defining a first data signal (31) able to be sent by the mouse (1), the first data signal (31) being chosen from a first list via a human-machine interface, the human-machine interface especially comprising a computer (101) and a screen (102), (ii) defining a first condition (32) relating to the first data signal (31), the first condition (32) being chosen from a second list via the human-machine interface, and (iii) defining a first instruction (33) able to be executed by a computer (101), the first instruction (33) being chosen from a third list via the human-machine interface.

Abstract: A hand operated computer input device comprising a main body with a flat support surface for the entire palm heel is provided. The new support surface provided is not for the palm, metacarpals, proximal and intermediate finger segments, or wrist. Only a user's palm heel and finger tips touch the input device. The entire palm heel wholly supports the weight of a users hand and arm. There is no pressure on the median nerve at the wrist or in the hand. There is no angle at the wrist while the hand maintains a generally neutral position. The height between the top of the palm heel support surface and the top surface of the buttons, wheels, etc. places the hand in a generally neutral, relaxed cupped position. The present invention seeks to prevent repetitive strain injury (RSI) and Carpal Tunnel Syndrome while using a horizontal or vertical hand operated computer input device.

Abstract: Systems and methods of recentering an input control include a control unit configured to suspend teleoperated control of an end effector by the input control in response to a recentering request, determine a recentering move for the input control to provide positional and orientational harmony between the input control and the end effector, execute the recentering move, and reinstate teleoperated control of the end effector by the input control. In some embodiments, to determine the recentering move the control unit is configured to determine one or more first positions associated with the end effector, map the first positions to a view coordinate system, map the first positions from the view coordinate system to a console workspace coordinate system, and determine one or more second positions for one or more control points on the input control, the control points corresponding to the mapped first positions in the console workspace coordinate system.

Abstract: Provided is a system and method for popping out a menu that is embedded within a user interface. The popped-out menu can be moved independently of a window in the user interface from which the menu is dislodged from and can have it size adjusted. In one example, the method may include displaying a menu with a plurality of selectable actions which are embedded within a user interface window, receiving a predetermined command with respect to the user interface, and in response to receipt of the predetermined command, outputting a pop-out menu that corresponds to the menu embedded within the user interface window, where the pop-out window includes the plurality of selectable actions and is configured to move independently of the user interface window.

Abstract: An input device is provided, including a curved segment, a sensing segment and a second sensing structure. The sensing segment is pivotally connected to the curved segment and includes a first sensing structure. The second sensing structure covers the curved segment and the sensing segment. The curved segment includes a plurality of connecting bodies and a supporting element. Each connecting body includes a recess. Adjacent connecting bodies are mutually pivotally connected, and the recesses are connected to each other to form an accommodation space. The supporting element is disposed in the accommodation space and connected to the connecting bodies.

Abstract: In some aspects, the disclosure is directed to methods and systems for an advanced computer input device with a rotational degree of freedom (zrot) in addition to two translation degrees of freedom (x and y), in an easy and intuitive fashion. A plurality of independent position sensors may be arranged on a lower surface of the computer input device, each determining a direction and velocity of motion of the input device when in use. The detected directions and velocities may be compared to determine whether a rotational motion of the input device has been applied as opposed to (or in addition to) a translation.

Abstract: An input device may include a housing, a scroll wheel having an arresting surface, and a lever pivotable about a pivot axis between first and second lever arms of the lever for moving a first free end portion of the first lever arm to engage or disengage the arresting surface. The input device may further include a rotary to linear motion converter having a rotary input axis and a linear output axis. The rotary to linear motion converter may be configured to apply a linear output motion along the linear output axis, converted from a rotary input motion about the rotary input axis, to move a second free end portion of the second lever arm so as to pivot the lever about the pivot axis for engaging or disengaging the first free end portion and the arresting surface to interchange the scroll wheel between a free-wheeling and a resistive-wheeling mode.

Abstract: A computer mouse includes abase unit, a button unit, and a fastening unit. The button unit is pivotally mounted to the base unit via a front part of the button unit, and is able to be actuated to allow a rear part of the button unit to substantially pivot in an up-down direction relative to the base unit. The fastening unit is disposed between the base unit and the button unit, and is operable to position the button unit relative to the base unit.

Abstract: Apparatus for detecting movements of a person using the apparatus for the purpose of transforming the movements into a virtual space, comprising a seat (110; 210; 410), sensors which detect the movements of the feet of the person using the apparatus, and cyber foot covers (50a; 50b; 50c; 50d) for receiving at least one of the sensors. The seat (110; 210; 410) comprises a support member (103; 203) adapted in that a seat element (105; 205), on which the person using the apparatus can sit, is attachable to an upper portion of the support member (103; 203) and in that the load of the seat element (105; 205) is received substantially along a vertically arranged longitudinal axis of the support member (103; 203) and transferred downwards to a ground. The seat (110; 210; 410) is rotatably arranged relative to the ground and is shaped such that at least a movement of the legs from the knee to the distal end of the legs of the person using the apparatus is allowed.

Abstract: Techniques for classifying records in a dataset are described. The method includes identifying a set of features of a target record and assigning a scoring metric to each feature in the set of features. The method also includes processing the set of features based on the scoring metric to obtain a reduced subset of features and an expanded subset of features. The method also includes searching a store of electronic records using the reduced subset of features to obtain a reduced subset of electronic records. The method also includes searching the reduced subset of electronic records using the expanded subset of features to obtain a set of matching electronic records.

Abstract: A switch module includes a pressing button and a circuit board. The pressing button includes a fastening element. The fastening element extends outward to form a cantilever arm. The cantilever arm protrudes downward to form an operation rod. The operation rod is exposed out of a lower shell which has a first position and a second position. The operation rod slides from the first position to the second position. The other end of the bottom surface of the cantilever arm extends outward to form an extending arm. At least one portion of one end of a top surface of the cantilever arm protrudes upward to form at least one extending foot. The circuit board is disposed above the pressing button. The circuit board is equipped with a first switch and a second switch. The at least one extending foot is corresponding to the first switch.

Abstract: A roller mouse includes a casing, a wheel module, a swingable assembly and an adjusting element. The wheel module includes a wheel element. The swingable assembly is fixed on the wheel module, and located near the wheel element. When the adjusting element is in a first position, the swingable assembly is contacted with the wheel element, so that the wheel module is in a first clicking mode. When the adjusting element is moved to a second position, the swingable assembly is pushed by the adjusting element, and the swingable assembly is separated from the wheel element, so that the wheel module is in a second clicking mode.

Abstract: A scroll mouse includes a casing, a scroll wheel mouse and a waterproof module. The casing includes a first opening and a second opening. The scroll wheel includes a first rotation shaft and a second rotation shaft. The waterproof module includes a waterproof cap and a waterproof ring. A first gap between the first rotation shaft and the first opening is sealed by the waterproof cap. A second gap between the second rotation shaft and the second opening is sealed by the waterproof ring. Since the foreign liquid is prevented from entering an inner portion of the casing, the scroll mouse has the waterproof function.

Abstract: A roller wheel module includes a roller wheel, an elastic member, and an adjustment assembly. The roller wheel includes a ratchet structure and has a configuration surface. The configuration surface is divided into a blank region and a ratchet region. The ratchet structure is disposed on the configuration surface and is located in the ratchet region. The elastic member is disposed next to the roller wheel and has a first end and a second end opposite to each other. The first end of the elastic member is connected to the adjustment assembly, and the adjustment assembly drives the second end of the elastic member to move between the blank region and the ratchet region. The roller wheel module allows the user to switch between a ratchet rotating mode and a smooth rolling mode according to requirements, and allows the user to quickly scrolling and have a better touch feel.

Abstract: A mouse includes a lower shell, an upper shell covered on the lower shell, a circuit board and a pressing button. The upper shell is spaced from the lower shell to form an accommodating space between the lower shell and the upper shell. The upper shell has at least one elastic arm. The circuit board fastened in the accommodating space is equipped with at least one electronic switch corresponding to the at least one elastic arm. The at least one electronic switch has a touching element. The pressing button is covered on the upper shell. The pressing button has at least one touching board which protrudes downward to form at least one pressing block. The at least one elastic arm is received in the at least one pressing block. The at least one pressing block abuts against the touching element.

Abstract: A computer mouse with vibration function includes a base, a press control module disposed on a front portion of the base, a palm support disposed on a rear portion of the base, a vibrator installed on the palm support for receiving the signal from the computer, and a plurality of vibration damping units each of which includes a vibration damper abutting between the palm support and the base. The vibration dampers of the vibration damping units are disposed around the vibrator.

Abstract: Systems and methods according to the present invention address these needs and others by providing a handheld device, e.g., a 3D pointing device, which uses at least one sensor to detect motion of the handheld device. The detected motion can then be mapped into a desired output, e.g., cursor movement.

Abstract: A system and method is provided that displays cursors for street level images, where the cursor changes appearance based on the objects in the image, such as the geographic distance between the objects and the camera position and the surface of the objects. For example, the cursor may appear to lie flat against the objects in the image change size based on the distance between the camera and object's surface.

Abstract: A mouse device includes a casing, a main circuit board and two replaceable switch modules. Each replaceable switch module includes a switch circuit board and a micro switch on the switch circuit board. Moreover, plural electrical contacts are disposed on a bottom surface of the switch circuit board. The replaceable switch modules are connected with corresponding pogo pin connectors on the main circuit board through the electrical contacts. The micro switches are optical micro switches or mechanical micro switches.

Abstract: A computer mouse is provided to make the mouse button easily reachable without being susceptible to misclick. The computer mouse may include an electronic circuit configured to implement operations of the computer mouse. The computer mouse may include a housing enclosing the electronic circuit. The housing may include an opening on one side of the housing and a switch on the side of the housing. The computer mouse may include a magnetically active lever attached to the housing through the opening on the side of the housing. The magnetically active lever may be configured to actuate the switch on the side of the housing to interact with the electronic circuit to provide input to a computing device. The magnetically active lever may be removable from the housing and replaced with a magnetically active lever of a different size or shape.

Abstract: Provided is a method for providing contents for a mobile terminal on the basis of user touch and hold time, the method including the step of: recognizing a user's touch on a display screen through the mobile terminal and determining whether a position where the user's screen touch is recognized is constantly maintained for a given period of time; setting a popup region on a position spaced apart from the position where the screen is touched through the mobile terminal and displaying previously set contents corresponding to the touch and hold time on the popup region; and determining whether the touch is finished or not through the mobile terminal, and if it is determined that the touch is not finished, displaying the contents corresponding to the touch and hold time on the popup region.

Abstract: The present invention disclosed a foldable mouse device comprising a power supply, a flexible connecting sheet, a contacting assembly, a flexible guiding sheet and a controller. The flexible connecting sheet is in contact with the power supply. One end of the contact assembly is connected to the flexible connecting sheet. One end of the flexible guiding sheet is located on one side of the contacting assembly. The controller is respectively connected to the flexible guiding sheet and the power supply. Wherein the flexible guiding sheet is in contact with the contacting assembly when the flexible connecting sheet and the flexible guiding sheet are folded. The flexible connecting sheet and the flexible guiding sheet are used to strengthen the structural strength of the internal circuit for avoiding being damaged or broken arisen from frequent bending and pulling when switching the circuit open and close by folding and unfolding the mouse device.

Abstract: An adjustable pointing device is disclosed wherein the device comprises a base, a grip portion, and an adjusting mechanism, the grip portion being attached to the base by the adjusting mechanism wherein the adjusting mechanism comprises an elastic member biasing the grip portion away from the base and comprising a locking mechanism movable between a locked position in which the locking mechanism is to prevent the grip portion from moving relative to the base and an unlocked position in which the locking mechanism is to allow the grip portion to move relative to the base.

Abstract: An electronic pointing device includes a housing. In addition, the electronic device includes a position transducer coupled to the housing. Further, the electronic pointing device includes a plurality of electrical switches coupled to the housing. Still further, the electronic pointing device includes a cover plate removably coupled to the housing. The cover plate includes a plurality of holes, each hole aligned with one of the plurality of electrical switches. The electronic pointing device also includes a plurality of button members. Each button member is removably disposed in one of the holes of the cover plate and disposed to engage the corresponding, aligned electrical switch to actuate that electrical switch.