JPH09297643A - Portable computer and production of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a keyboard for a movable portable computer. SOLUTION: A human engineering keyboard 150 for a portable computer 100 having a chassis is provided with 1st keyboard parts 160 and 170 turnably connected to a 1st position on the chassis as 1st keyboard parts for holding plural 1st keys matched along a 1st axial line, 2nd keyboard parts turnably connected to a 2nd position on the chassis as 2nd keyboard parts for holding plural 2nd keys matched along a 2nd axial line, and connecting mechanism 180 for connecting the 1st and 2nd keyboard parts so as to rotate the 2nd keyboard parts as the functions of rotations for the 1st keyboard parts. Thus, the keyboard can be moved between an extending position (the position where the 1st and 2nd axial lines are not matched and the plural 1st and 2nd keys can be presented for a user in the manner of human engineering) and a housing position (the position where the 1st and 2nd keyboard parts are existent inside the main body of the chassis).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates generally to a keyboard for a computer or the like, and more specifically to a keyboard for a portable computer, which is ergonomically advantageous. It relates to a keyboard divided into a number of parts that are movable with respect to each other so that they can be positioned.

[0002]

2. Description of the Related Art In recent years, personal computers ("PCs") in general, and portable computers in particular, have made significant progress in terms of popularization and sophistication of technology. Portable battery-powered computers are lightweight and small in size (they can be easily carried by hand in a normal briefcase and in tight spaces such as the backrest tray of an airplane seat, and with an electrical outlet). It can be used by business travelers in places that do not exist) and has become more prevalent over the past few years. One reason for the popularity of notebook computers is that they are becoming smaller and smaller in size and weight (while the various components of a computer must be assembled in ever smaller dimensions, many Would result in the need to increase its operating speed and reduce the power usage required by the component). In practice, in particular, small portable computers, especially as a whole, have dimensions of 215.9 mm × 2.
Notebook computers that are 79.4 mm (8.5 inches by 11 inches) and weigh less than 8 pounds (3.632 kg) are very popular. In this description,
"Portable" and "notebook" are synonymous.
Modern portable computers typically include both a hard disk drive and a floppy disk drive, with a monitor screen built into its lid.
It has a keyboard built into its main body. Thus, this computer is a completely self-contained computer that can be used in situations and places where the simple use of larger desktop computers is not possible. While portable computers were often used simply as an accessory to a primary desktop computer, the increased capabilities of such computers allowed them to become primary computers for many users. .

However, a constant challenge in the design of notebook computers is the keyboard structure. This design challenge has, to date, been two conflicting design objectives: to further reduce the size of the keyboard structure, and to the extent possible, the size of the desktop computer keyboard, and typing. It arises from the desire to be a notebook computer that resembles a "feel". The size of a typical human hand requires the latter of the above two challenges, which substantially limits the degree of miniaturization that can be achieved.

However, the designer is faced with a third design issue, which has arisen as a result of medical research on the degree of stress exerted on the user's arm, wrist, and hand during the operation of the type. (This task is also
It is also economically necessary because of the costly lawsuits filed by computer users who believe they are victims of carpal tunnel syndrome or related muscle or joint disease). "Human technical factor", or "ergonomics", is a term in the technical field of technical design aimed at optimizing human utilization by the body. In the case of a keyboard, by dividing the keyboard into parts and changing the relative horizontal orientation of those parts,
By making the keyboard easier to use and significantly more typing comfort, it is possible to reduce the potential for disability and improve user efficiency.

[0005]

However, to date, ergonomic keyboards designed have been exclusively for table-top computers (the reason being that, on a tabletop, there are practical limits to the size of the keyboard. Because there is no spatial limit). It would also be desirable to provide an ergonomic keyboard for portable computers. However, handheld computers are becoming smaller and smaller, and the design of ergonomic keyboards is certainly complex. As such, keyboard designers have begun to be interested in providing ergonomic keyboards for such computers to address space constraints.

Of course, there are two dimensional factors in modifying the keyboard structure of a notebook computer so that it can be made smaller. That is, its vertical or thickness dimension and its horizontal dimension (ie its length or width)
It is. There are some limitations when trying to reduce the overall thickness of a notebook computer keyboard. One possibility that has been studied and tried is to simply reduce the distance between keystrokes on a notebook computer keyboard compared to its desktop computer. An example of this type of keyboard is often used in microwave ovens or cash registers,
It is a "membrane" keyboard. Utilizing this design technique can correspondingly reduce the overall thickness of the no-book computer in its closed storage and transport positions. However, the reduction in overall thickness of this notebook computer achieved by reducing the distance between the strokes of the keys on the keyboard is typically, as many users think, typically
This results in a worse "feel" when typing as compared to the longer keystroke distances typically found on larger desktop computer keyboards.

However, so-called "sub-notebook" computers have a much larger horizontal dimension, and because of this, most of their advantages are due to the reduction in their dimensions, so that the horizontal dimension should be reduced. Is more desired. Unfortunately, there are similar limitations when trying to reduce the horizontal dimensions of a keyboard. The number, size, and relative spacing of the hand-pressable keyboard keycaps determine the horizontal size of the keyboard. By changing these three size factors variously,
The overall length or width of the keyboard can be reduced. However, prior art attempts to reduce these three factors in order to reduce the size of the keyboard have correspondingly correspondingly reduced appearance, key placement, and typing when compared to its tabletop version. In terms of the feel of, the convenience of the notebook computer will be impaired.
For this reason, keyboards with small key dimensions or small key spacings are often referred to as "chiclet" keyboards.

As will be apparent from the above description, what is needed in the art is a foldable configuration that allows the keyboard to be in the stowed position (the keyboard is further dimensioned). Ergonomic portable computer keyboard structure that allows it to be located in the body of a small sub-notebook computer or the like). When deployed, the ergonomic keyboard must be comfortable to use and operationally reliable.

In order to solve the above problems of the prior art,
The main objects of the present invention are the deployed position (the position where the parts of the keyboard are rotated with respect to each other to ergonomically present the keys to the user) and the storage position (when the keyboard is folded and deployed). Ergonomic keyboard that is moveable to and from a position that results in a smaller profile).

[0010]

SUMMARY OF THE INVENTION To achieve the above main object, the present invention provides an ergonomic keyboard for a portable computer having a chassis, an operating method thereof and a manufacturing method thereof. The keyboard is
(1) A first keyboard portion pivotally coupled to a first position on the chassis for rotation with respect to the chassis, the first keyboard portion being aligned along a first axis. The first keyboard portion supporting a key; (2)
A second keyboard portion pivotally coupled to a second position on the chassis for rotation with respect to the chassis and supporting a second plurality of keys aligned along a second axis. The second keyboard portion and (3) a coupling mechanism connecting the first and second keyboard portions so that the second keyboard portion can be rotated as a function of the rotation of the first keyboard portion. With this, the deployed position (the position where the first and second axes are in a non-aligned state and the first and second keys are ergonomically presented to the user) and the storage position (the first position) And the position where the second keyboard portion is inside the body of the chassis).

Therefore, the present invention rotates during deployment,
The present invention provides an ergonomic keyboard that presents keys that are misaligned (keys that have diagonal axes relative to each other) to reduce twisting of the user's wrist and hand during use. When in the stowed position, the keyboard is folded into the body of the computer, thereby preserving its external dimensions.

In a preferred embodiment of the present invention, the chassis comprises a base plate and first and second keyboard portions coupled to the base plate, the base plate being the first and second keyboard parts. Form a support for the part. In the manner described below, the base plate provides a base and a support for the first and second keyboard portions, and in one embodiment thereof, the orienter portion of the keyboard. . In the alternative, separate structures within the chassis support the first and second keyboard portions, which may eliminate the need for a base plate.

In a preferred embodiment of the invention, the keyboard further comprises a directing device portion coupled to the chassis. This orienter part includes one or more trackballs, as required by the particular application, and
It can be provided with a trackpad or with a momentary snap button. In an alternative embodiment described below, the orienter portion is secured to the chassis,
Alternatively, it can be translated with respect to the chassis. Of course,
The scope of the present invention is sufficiently wide to allow embodiments that do not include the orientation device portion.

In one embodiment of the present invention, the keyboard is a orienter portion coupled to the chassis and the first keyboard portion such that the keyboard is rotatable with respect to the chassis as a function of rotation of the first keyboard portion. Is further equipped. The additional coupling mechanism provides the coupling necessary to translate the orienter portion.

In a preferred embodiment of the present invention, a keyboard includes a return spring coupled to the chassis and to one of the first and second keyboard portions so that the keyboard can be biased toward the stowed position. Is further equipped. The return spring facilitates storage of the keyboard by the user. Of course, it is also possible to employ two or more return springs. Also, the return spring can be of any of a number of alternative forms. However,
The present invention does not need to provide the return spring.

In the preferred embodiment of the invention, the keyboard further comprises a position locking structure for maintaining the selected orientation of the first and second keyboard portions. If the user selects the desired orientation (fully deployed, fully stowed, and in between), the user can engage the position locking structure to prevent the keyboard from changing orientation. . The position locking structure can be friction or positive engagement, but it is not required.

In the preferred embodiment of the invention, the chassis and the first and second keyboard portions include a plurality of bosses and a corresponding plurality of slots. The bosses can engage within the slots to guide the first and second keyboard portions as the keyboard moves between the deployed and stowed positions. These bosses and slots preferably limit the angle of rotation that can be achieved by the first and second keyboard portions, and
In some cases, it is further preferred to prevent the first and second keyboard portions from separating from the chassis or base plate.

In a preferred embodiment of the invention, the coupling mechanism comprises first and second elongate plates coupled to the first and second keyboard portions, respectively. The extension plates are pivotally coupled to each other so as to allow relative rotation therebetween. Although the stretch plate may be desirable in some applications, the stretch plate may be omitted.

In a preferred embodiment of the invention, the coupling mechanism comprises a boss associated with the first keyboard portion and a corresponding slot associated with the second keyboard portion, the boss comprising: , Engaged in the slot to rotate the second keyboard portion as a function of rotation of the first keyboard portion. For this reason, the present invention preferably employs a simple means of joining the first and second keyboard portions.

In a preferred embodiment of the invention, when the keyboard is in the stowed position, the first and second axes are:
It is almost parallel. More preferably, the keyboard of the present invention is kept usable in its storage position. When the first and second axes are substantially parallel, the keyboard presents its keys conventionally, with no particular economic advantage over conventional keyboards.

The foregoing is a rather general description of features and technical advantages of the present invention, so that those skilled in the art may better understand the following description. Further features and advantages of the invention will be further described with respect to the claims of the invention. Those skilled in the art can easily adopt the disclosed idea and specific forms as a basis for designing or modifying other structures that achieve the same object as the present invention. Those skilled in the art should understand that such equivalent structures, in their broadest form, do not depart from the spirit and scope of the invention.

[0022]

BRIEF DESCRIPTION OF THE DRAWINGS For a full understanding of the present invention and its advantages, it is described in detail below with reference to the accompanying drawings.

Referring first to FIG. 1, an isometric view of portable computer 100 in an open position is shown. The computer 100 may be a portable computer with logical architecture such as an IBM PC compatible computer or Apple Macintosh (registered trademark). The present invention is in no way limited by any special structure, function, logical architecture, or compatibility of computer 100.

Computer 100 includes a first chassis portion 110 and a second chassis portion 120 coupled to the first chassis portion 110 by a hinge structure 142.
With. The hinge structure 142 is in a closed position (see FIG.
Illustrated in. The first and second chassis portions are substantially overlapped with each other to allow the first and second chassis portions 110, 120 to rotate with respect to each other (to the position that encloses their inner surfaces 111, 121). Conventional latch 11
The two and corresponding latch receivers 122 cooperate to keep the computer 100 in the closed position until released.

The hinge structure 142 further allows the first chassis portion 110 to rotate from the second chassis portion 120 to the illustrated open position. In this open position, the inner surfaces 111, 121 are exposed for user access. The first chassis portion 110 includes a display screen 13 associated with the chassis portion.
0 is provided. The display screen 130 receives output data generated in a conventional manner by conventional general purpose data processing and storage circuitry (illustrated schematically at 140, typically contained within the second chassis portion 120). And it is designed to be displayed.

Computer 100 is shown as a first embodiment of an ergonomic keyboard 150 constructed in accordance with the present invention and shown in a deployed position. The keyboard 150 includes a left keyboard portion 160 and a right keyboard portion 170. For purposes of the present invention, the "first keyboard portion" will be described as either the left keyboard portion 160 or the right keyboard portion 170. Similarly, a "second keyboard portion" will be described as the other of the left keyboard portion 160 or the right keyboard portion 170 above. Left and right keyboard part 16
Each of the 0, 170 is individually equipped with a plurality of depressible keys (shown in the following figures) which are electrically coupled to the general purpose data processing and storage circuit 140.
A means for generating input data that a user inputs to the computer 100 is provided.

Left and right keyboard portions 160, 17
0 is coupled to the lower base plate 181 by a separate pivot (shown in the drawings below) to allow the left and right keyboard portions to pivot or rotate with respect to the second chassis portion 120. To do. The base plate 181 is joined to the second chassis portion 120 and forms part of the second chassis portion. The coupling mechanism 140 couples the left and right keyboard portions 160, 170 together so that the left keyboard portion 160 rotates n ° clockwise.
The right keyboard portion 17 within the movement limit point described below.
Corresponding to this, 0 is rotated counterclockwise by n °. The position locking structure 188 (described in more detail below) provides a vertical ratchet to allow the user to lock the left and right keyboard portions 160, 170 in a particular desired orientation. In an alternative example, a separate structure on the second chassis portion 120 supports the left and right keyboard portions 160, 170, thereby
It should be understood that the base plate 181 need not be unitary.

As mentioned above, one of the findings based on ergonomics is that the keys on the keyboard are in proper lateral position to prevent damage (repetition during twisting of the user's wrist). That is, it is advantageous in reducing the number of types) that are caused by various typing operations. In the manner described below, the present invention allows the user to open the left and right keyboard portions 160, 170 and redirect the keys of the keyboard so that they are in an ergonomic position that is beneficial to the user. It is possible to deploy.
Therefore, for the purposes of the present invention, "ergonomic presentation" means
It is defined as a key presentation in consideration of the human anatomy of the user.

The keyboard 150 of the present invention shown in FIG.
The first form of the invention comprises a fixed orienter portion 182. The orientation device portion 182 includes a track pad 183 (as appropriate, a trackball or other orientation device) and left and right momentary switches (or
Button) 185, 187 are supported. When considered as an input device, the orientation device portion 182 is a means by which the user orients the "trackpad" 183, and the user clicks on the left and right buttons 185, 187.
Or, provide a means for hanging.

In addition, the left and right keyboard portions 16
Each of 0 and 170 includes palm rests 184 and 186. The palm rests 184, 186 provide additional ergonomic benefits by removing the weight of the user's middle finger from the user's hand. The computer 100 may be a multimedia computer having a function of generating a stereo sound that is advantageous for a user, and the palm mount 184, 1
86 provides an area for speakers located below the speaker grills (not specifically described). Alternatively, the speaker grill may be provided on the side of the computer 100.

Referring now to FIG. 2, there is shown an isometric view of the portable computer 100 of FIG. 1 in the closed position, where the first form of keyboard 150 is in the stowed position. It is shown. 2 shows the left and right keyboard portion 1 when the keyboard 150 is in its stowed position.
It is shown primarily for purposes of illustrating how 60, 170 fold into the body of computer 100. Similarly, the orienter portion 182 is folded within the body of the computer 100. Similarly, the latch 112 allows the user to move the first chassis portion 110 to the second chassis portion 1 such that the hinge structure 142 allows relative rotation.
Allow to release from 20.

Referring now to FIG. 3, there is shown an isometric view of the portable computer 100 of FIG. 1 in the open position, in which case the first embodiment of the keyboard 150 is stored. Shown in position. FIG. 3 is primarily intended to show that the keyboard 150 is fully accessible to the user (this keyboard is in the open position with the computer 100,
It is also operable when the keyboard 150 is in the stowed position). Left and right keyboard parts 160, 170
The keys of the are not eccentric to relieve typing stress, but these keys remain operational. In addition, the palm rests 184, 186 can be used to support the user's wrist. Orientation device portion 182
Remain accessible.

Further referring to FIG. 4, the keyboard 15
0 first embodiment is shown in the stowed position.
Located below keyboard 150 and keyboard 150
Structures that allow different positions are shown in dashed lines.

Also in this case, the left and right keyboard parts 160 and 170, the connecting mechanism 180, and the orientation device part 1
82 (track pad 183, left and right buttons 185,
187), palm rests 184, 186 (and associated speakers), and position locking structure 188.

As mentioned above, the left keyboard portion 16
0 supports a plurality of keys 410. Similarly, the right keyboard portion 170 supports a plurality of keys 420. These plurality of keys 410 are provided on the left keyboard portion 160.
Are arranged in a line in alignment with the left-side axis 430 that sets the direction of the plurality of keys 410. Similarly, multiple keys 4
20 is a plurality of keys 420 on the right keyboard portion 170.
Are arranged in a line in alignment with the right-side axis 440 that sets the direction. As can be appreciated, these keyboards 150 are in the stowed position and therefore have left and right axis lines 43.
0 and 440 are substantially parallel and therefore aligned with each other.

In FIG. 4, a pivotal portion 411 that connects the left keyboard portion 160 to the lower base plate 181 and a pivotal portion 421 that connects the right keyboard portion 170 to the lower base plate 181 are illustrated. . These pivotal parts 4
11, 421 are the centers when the left keyboard part 160 and the right keyboard part 170 rotate. In the following description, the left and right keyboard portions 160,
The various guides that restrain the rotation of 170 and couple the left and right keyboard portions 160, 170 to the underlying base plate 181 are constructed with respect to the pivot portions 411, 421 and thus their respective pivot points. Wearing part 41
It has a radius of curvature that extends to 1,421.

Return spring 450 is shown coupled between base plate 181 and the underside of left keyboard portion 160. In the first embodiment of the keyboard 150, the return spring is preferably made of a piece of elastic metallic material forming a cantilevered arm. Keyboard 1
50 is shown in the stowed position, the return spring 450
Are shown relatively straight, so that
Unstressed, resulting in left keyboard portion 160
Very little or no force is applied to the.

The boss 460 extends upward from the base plate. The boss engages a corresponding arcuate slot 461 formed in the lower surface of the left keyboard portion 160.
These bosses 460 and slots 461 work together to
Limit the rotation of the left keyboard portion to the desired rotation angle (about 10 ° in the illustrated embodiment). These bosses 460 and slots 461 prevent the left keyboard portion from separating vertically from the base plate 181, thereby allowing the user to apply pressure to the palm rest 184 when
This counteracts the tendency of the left keyboard portion 160 to bend.

Correspondingly, the boss 470 is shown extending from the base plate, which boss 470 engages a corresponding arcuate slot 471 formed in the lower surface of the right keyboard portion 170. . These bosses 470 and slots 471 cooperate to limit rotation of the right keyboard portion to a desired rotation angle (preferably about 10 ° so as to accommodate the limiting angle of the left keyboard portion 160). To do. These bosses 470 and slots 4
71 prevents the right keyboard portion 170 from separating vertically from the base plate 181, thereby counteracting the tendency of the right keyboard portion 170 to bend when the user applies pressure to the palm rest 186.

In practice, the slots 461, 471 and other slots employed in various keyboard 150 embodiments of the present invention have been found to exert frictional resistance to the movement of any boss. There is. Therefore, it is advantageous to line the slot with plastic, or other low friction material, to reduce drag and thereby facilitate keyboard 150 operation.

Coupling mechanism 180 couples left keyboard portion 160 and right keyboard portion 170 as described above to ensure that the keyboard portions rotate in pairs. In the first embodiment illustrated in FIG. 4, the coupling mechanism 180 includes a right keyboard portion 170.
A boss 480 fixed to the left keyboard portion 160 (a boss restrained in an arcuate slot 482 formed in a member (not shown) fixed to the left keyboard portion 160). As the left and right keyboard portions 160, 170 rotate between the stowed and deployed positions, the boss 480 traverses the slot 482. The slot 482 has a boss 480.
Of the right keyboard portion 170 fixed to the boss.

The position locking structure 180 includes a plurality of stop portions (not shown) formed on the lower surface of the left keyboard portion 160 and corresponding followers formed on the lower base plate 181 (similarly). , And not shown in the drawing). As the left keyboard portion 160 rotates between the stowed and deployed positions, the follower traverses the stop. The force required to remove this follower from the particular stop is preferably greater than the force exerted by the return spring 450. Therefore, the position locking structure 180
Allows the user to lock the keyboard 150 in place (either in the stowed position, or in the fully deployed position, or any position in the predetermined intermediate position).

Referring now to FIG. 5, there is shown a plan view of the keyboard 150 of FIG. 4 shown in the expanded position.
FIG. 5 illustrates how the bosses 460, 470, 480 traverse their corresponding arcuate slots 461, 471, 481. Further, FIG. 5 illustrates the left and right axis lines 430, 440 in an unaligned state, ergonomically presenting the plurality of keys 410, 420 to the user. Left and right keyboard part 16
Assuming movement of 0, 170 is restricted to 10 ° clockwise and counterclockwise, the overall misalignment of left axis 430 and right axis 440 is 20 °. Of course, other misalignment angles are within the broad scope of the invention.

Finally, FIG. 5 shows more clearly the boundaries that divide the keys of the keyboard between the left and right keyboard portions 160, 170. Conventional QWERTY
In the case of a keyboard, more specifically a standard IBM PC keyboard with 101 keys, this dividing line is
It is illustrated as follows. That is, in the top row, "F
Between "7" and "F8", between "6" and "7" in the second row from the top, between "T" and "Y" in the third row from the top, from the top It is shown between "G" and "H" in the fourth column and between "B" and "N" in the fifth column from the top. As can be easily understood, the space bar is divided into a left side portion and a right side portion. This is a conventional display of key splits, which is apparent in the more conventional ergonomic keyboards for desktop computers. Of course, other divisions of the keyboard are also within the scope of the invention.

Referring now to FIG. 6, a second embodiment of a keyboard 150 having a slidable orientation device portion 182 is shown (shown in the stowed position). This second embodiment differs from the first embodiment primarily in the introduction of a slidable orientation device portion 182. In other respects, this keyboard 150
The second embodiment of is similar to the first embodiment. Therefore, similar components will not be described again.

An elongated boss 630 projecting from the lower surface of the orientation device portion 182 slidably couples the orientation device portion 182 to a linear slot 640 formed in the lower base plate 181. The boss 630 is elongated and prevents the orientation device portion 182 from substantially rotating with respect to the base plate 181. The elongated plate structure 600 includes a directing mechanism portion 182 to a coupling mechanism 180, as shown.
Extending upwardly, the elongated plate structure 600 is rotatably coupled with respect to the extension plate 611 extending from the left keyboard portion 160 by hinge pins 610. The elongated plate structure 600 includes a boss 620.
It is further coupled to the right keyboard portion 170 by (sit in an arcuate slot 621 formed in an extension plate (not labeled) fixed to the right keyboard portion 170). As shown, the left keyboard part 1
It is clear that when 60 is rotated clockwise, the extension plate 611 moves and urges the elongated plate structure 600 downward (the elongated plate structure 600 was generated by the rotation of the extension plate 611. Hinge 612 is provided to accommodate all lateral movement). As a result, the orientation device portion 182 extends toward the user and the keyboard 1
Away from the other 50 parts. As the elongated plate 600 moves downward, the boss 620 traverses the slot 621 and rotates the right keyboard portion 170 counterclockwise. With this combined operation, the keyboard 150 moves toward the deployed position.

Referring now to FIG. 7, there is shown a plan view of the keyboard 150 of FIG. 6 in the deployed position. As can be appreciated, the elongated boss 630 fully traverses the straight slot 640 and fully extends so that the orientation device portion 182 can be used.

Referring now to FIG. 8, a third embodiment of a keyboard 150 having a fixed orienter portion 182 and a modified return spring structure is shown in the stowed position. In the embodiment described above, the spring force of the return spring 450 and the locking force of the position locking structure 188 may balance to allow the keyboard 150 to move between the stowed position and the deployed position. Preferred (without requiring the user to apply significant force to deploy or close keyboard 150).

FIG. 8 is a diagram showing an alternative third embodiment (this embodiment, in one application,
Allows smoother movement of keyboard 150). Similar to the case of the second embodiment, only components different from those already described will be described in detail. First, FIG. 8 shows a plurality of bosses 810 extending from below the left keyboard portion 160 and seated within corresponding arcuate slots 811, 821 formed in the lower base plate 181.
820 is shown. These bosses 810, 820 and slots 811, 821 cooperate to limit rotation of the left keyboard portion 160 and prevent the left keyboard portion 160 from separating from the lower base plate 181, as described above. (Or, prevent bending due to the pressure applied to the palm rest 184). Similarly, FIG. 8 shows corresponding arcuate slots 831, 8 extending from the underside of the right keyboard portion 170 and formed in the lower base plate 181.
A plurality of bosses 830, 840 seated within 41 are shown. These bosses 830, 840 and slots 831,
841 cooperate to limit rotation of right keyboard portion 170 and prevent right keyboard portion 170 from separating from lower base plate 181 (or palm rest 186).
Prevents bending due to the pressure applied to).

Right and left torsion return springs 870, 880
Is an alternative to the torsion spring 450 of the cantilevered arm of the above-described embodiment. The first ends 871, 881 of the left and right torsion return springs 870, 880 are coupled to the lower base plate 181. The second ends 872, 882 of the left and right torsion return springs 870, 880 are coupled to the undersides of the left and right keyboard portions 160, 170, respectively. Left and right keyboard part 16
0 and 170 rotate toward the deployed position, first ends 871 and 881 of left and right return springs 870 and 880 are rotated.
And the second ends 872, 882 move toward each other to compress the left and right torsion return springs 870, 880 and provide resistance against further deployment. In FIG. 8, it is clear that the left and right torsion return springs 870, 880 are not fixed at their respective centers. Thus, the left and right torsion return springs 870, 880 provide a variable spring force when the left and right keyboard portions rotate. This variable spring force can be balanced to allow equal deployment and storage forces.
The boss 850 and the arcuate slot 851 form a coupling mechanism (a coupling mechanism that rotatably couples the left and right keyboard portions 160, 170 together to rotate together).

The position locking structure 188 differs from that described above, and the pivot pin 862 allows the lower base plate 18 to move.
1 is provided with a locking plate 860. The locking plate 860 has a serrated edge 864 that houses a plurality of stops (above which the pin 866 moves). The pin 866 is attached to the left keyboard portion 160. A spring 869 biases the locking plate to rotate counterclockwise, keeping the serrated edge 864 against the pin 866. Button portion 868 of locking plate 860 allows the user to overcome the spring force applied by spring 869. By moving the button portion 868 to the right, the user moves the serrated edge 864 into the pin 86, as shown.
The engagement with 6 can be released. This allows
The keyboard 150 is free to be stowed or deployed as desired. Button portion 868 is accessible for direct manipulation by the user, and thereby and in addition can be positioned for automatic manipulation (rotate computer 100 of FIG. 1 toward its closed position). Then, the first chassis portion 110 of FIG. 1 allows the keyboard 150 to be automatically stored).

Position locking structure 188 provides a horizontal ratchet. This horizontal ratchet is superior to the vertical ratchet in many applications, and the left and right keyboard portions 160, 170 do not push out of their plane of rotation when rotated. Keeping the left and right keyboard portions 160, 170 within their plane of rotation improves the overall stability of the keyboard 150.

Further, the position locking structure 188 is designed to provide a ratcheting force that increases as the keyboard 150 is deployed. The left and right torsion return springs 870, 880 provide a return force that decreases as the keyboard 150 is deployed. Most preferably, the ratchet and return forces, when combined, provide a relatively constant force.

Referring now to FIG. 9, the keyboard 150 of FIG. 8 is shown in plan view in the expanded position. FIG.
Has corresponding arcuate slots 811, 821, 831, 841, when the keyboard 150 is in its deployed position.
Bosses 810, 820, 830, 840 for 851,
Its main purpose is to show the change in the relative position of 850.

Referring now to FIG. 10, a fourth embodiment of a keyboard 150 having a modified coupling mechanism 180 is shown in plan view in a deployed position. Although the orienter portion is fixed, the keyboard 150
10 is not shown in order to simplify the illustration of FIG.

The modified coupling mechanism 180 is implemented by eliminating the need for a separate extension plate from the left keyboard portion 160 and providing an additional boss 910 (which boss projects from the underside of the right keyboard portion 170). To engage corresponding arcuate slots 911 on the base plate 181). Also in this case, all the arcuate slots 811, 8
It should be appreciated that 21,831,841,911 have a radius of curvature that extends to their respective pivot pins 411,421.

From the above description, it is apparent that the present invention provides an ergonomic keyboard for a portable computer having a chassis, a method of operating the same, and a method of manufacturing the same. The keyboard is (1) a first keyboard portion pivotally coupled to a first position on the chassis for rotation with respect to the chassis, the first keyboard portion aligned along a first axis. A first keyboard portion supporting a plurality of keys of; and (2) a third keyboard portion pivotally coupled to a second position on the chassis for rotation with respect to the chassis, A second keyboard portion supporting a second plurality of keys aligned along a second axis, and (3) for rotating the second keyboard portion as a function of rotation of the first keyboard portion. And a connecting mechanism for connecting the first and second keyboard portions to each other, whereby a deployed position (the first and second axes are in a non-aligned state, and a plurality of first and second keyboards are provided to the user). Can present keys ergonomically And position) to make the keyboard in between a retracted position (first and second keyboard portions located within the body of the chassis) is that as to be movable.

While the present invention and its advantages have been described in detail, those skilled in the art can make various changes, substitutions and changes in their broadest form without departing from the spirit and scope of the invention. It will be appreciated that it can be embodied.

[Brief description of drawings]

1 is an isometric view of a portable computer in an open position comprising a first embodiment of an ergonomic keyboard (shown in a deployed position with a fixed orienting device portion) constructed in accordance with the present invention; FIG. It is a figure.

2 is an isometric view of the portable computer of FIG. 1 in a closed position, showing the first embodiment of the keyboard in the stowed position.

FIG. 3 is an isometric view of the portable computer of FIG. 1 in an open position showing the first embodiment of the keyboard in the stowed position.

FIG. 4 is a plan view of the first embodiment of the keyboard in the storage position.

5 is a plan view of the keyboard of FIG. 4 in a deployed position.

FIG. 6 is a plan view of a second embodiment of a keyboard having a slidable orientation device portion and shown in a stowed position.

7 is a plan view of the keyboard of FIG. 6 in a deployed position.

FIG. 8 is a plan view of a third embodiment of a keyboard having a fixed orienter portion and a modified return spring structure and shown in a stowed position.

9 is a plan view of the keyboard of FIG. 8 shown in a deployed position.

FIG. 10 is a plan view of a fourth embodiment of a keyboard having a fixed orientation device portion and a modified coupling mechanism and shown in a deployed position.

[Explanation of symbols]

100 portable computer 110 first chassis portion 111 inner surface of first chassis portion 112 latch 120 second chassis portion 121 inner surface of second chassis portion 122 latch receiving portion 130 display screen 140 general-purpose data processing storage circuit 142 hinge structure Body 150 Ergonomic keyboard 160 Left side keyboard part 170 Right side keyboard part 180 Connection mechanism 181 Base plate 182 Orientation device part 183 Track pad 184, 186
Palm rest 185 Left-side momentary switch (button) 187 Right-side momentary switch (button) 188 Position locking structure 410, 420
Key 411 421 Pivot part 450 Return spring 460, 470, 480 Boss 461, 471,
481 slot 600 elongated plate structure 610 hinge pin 612 hinge 620 boss 621 slot 630 boss 640 slot

 ─────────────────────────────────────────────────── ─── Continued Front Page (71) Applicant 597001637 One Dell Way, Round Rock, TX 78682-2244, United States of America (72) Inventor John W. Rye, California 94112, San Francisco, USA. Rome Street 143 (72) Inventor Peter N Skillman, USA 94070, San Carlos, Sunset Drive 827 (72) Inventor Christopher Jay Stringer, USA 94110, San Francisco, Florida・ Street 865

Claims (17)

[Claims] 1. A portable computer, comprising: a first chassis portion, a closed position (a position where the first and second chassis portions substantially overlap with each other to enclose an inner surface thereof) and an open position (the first chassis portion). Hinged to the second chassis portion such that one chassis portion may rotate away from the second chassis portion to permit relative rotation with respect to a position exposing the inner surface thereof. A combined first chassis portion, a display screen associated with the first chassis portion, and a data processing and storage circuit housed within the second chassis portion, wherein The data processing / storing circuit coupled to the display screen via a cable arranged near the hinge structure for coupling the second chassis portion; A keyboard coupled to the second chassis portion and coupled to the data processing and storage circuitry, the keyboard being rotatable relative to the second chassis portion at a first position on the second chassis. A first keyboard portion pivotally coupled to the first keyboard portion supporting a first plurality of keys aligned along a first axis and rotatable with respect to the chassis. A second keyboard portion pivotally coupled to a second position on the chassis, the second keyboard portion supporting a second plurality of keys aligned along a second axis. A keyboard portion of the keyboard, wherein the keyboard is in a deployed position (the first and second axes are adapted to ergonomically present the first and second plurality of keys to a user. Position to be aligned And a storage position (a position in which the first and second keyboard portions are inside the main body of the chassis), the keyboard being movable in the storage position. A portable computer characterized by presenting a user with a conventional arrangement of keys. 2. The portable computer according to claim 1, wherein the first position is spatially separated from the second position. 3. The portable computer according to claim 1, further comprising a position locking structure for maintaining a selected orientation of the first and second keyboard portions. . 4. The portable computer according to claim 1, wherein the chassis and the first and second keyboard portions include a plurality of bosses and a plurality of corresponding slots, and the keyboard is the deployment. A portable computer, wherein the boss engages in the slot to guide the first and second keyboard portions as they move between a position and a stowed position. 5. The portable computer according to claim 1, wherein the first and second axes are substantially parallel when the keyboard is in the storage position. 6. The portable computer of claim 1, further comprising a track pad having a curved circumference at least in part and coupled to the chassis. 7. The portable computer according to claim 1, wherein the chassis and the first and second keyboard portions include a plurality of bosses and a plurality of corresponding slots, and the boss is the A portable computer that engages in a slot to prevent the first and second keyboard portions from bending. 8. The portable computer according to claim 1, further comprising a base plate, the first and second keyboard portions coupled to the base plate, the chassis and the first and second keyboards. A keyboard portion includes a plurality of bosses and a corresponding plurality of slots, the bosses engaging within the slots to separate the first and second keyboard portions from the base plate. A portable computer characterized by preventing. 9. A method of manufacturing a keyboard for a portable computer having a chassis, comprising: a first keyboard portion supporting a first plurality of keys aligned along a first axis. Pivotally coupling a first keyboard portion to a first position on the chassis for rotation with respect to the chassis; and a second keyboard portion, the first keyboard portion being aligned along a second axis. Rotatably coupling the second keyboard portion supporting the second plurality of keys to a second position on the chassis such that the second keyboard portion can rotate with respect to the chassis. The first and second axes are misaligned and the first and second keys are ergonomically presented to the user and the storage position (the first and second keyboard portions are A position within the body of the chassis), the keyboard presenting to the user a conventional arrangement of the first and second plurality of keys in the stowed position. Manufacturing method. 10. The manufacturing method according to claim 9, wherein the first position is spatially separated from the second position. 11. The method of claim 9, further comprising the step of coupling a directing device portion to the chassis. 12. The manufacturing method according to claim 9, further comprising the step of attaching a position locking structure to maintain a selected orientation of the first and second keyboard portions. Manufacturing method. 13. The manufacturing method according to claim 9, wherein the first and second axes are substantially parallel when the keyboard is in the storage position. 14. The manufacturing method according to claim 9, further comprising the step of coupling a track pad having a curved circumference at least in part to the chassis. 15. A portable computer, comprising: a first chassis part, a closed position (a position where the first and second chassis parts overlap each other and wraps an inner surface thereof), and an open position (the first chassis part). Hingedly coupled to the second chassis portion such that the chassis portion of the second chassis portion is rotated away from the second chassis portion to permit relative rotation with respect to a position exposing the inner surface thereof. A first chassis portion, a display screen associated with the first chassis portion, and a data processing / storing circuit housed in the second chassis portion, wherein The data processing / storing circuit coupled to the display screen via a cable arranged at a position near a hinge structure coupling the second chassis portion; A keyboard coupled to the second chassis portion and coupled to the data processing and storage circuit, the first keyboard on the second chassis portion being rotatable relative to the second chassis portion. A first keyboard portion pivotally coupled to a position, the first keyboard portion supporting a first plurality of keys aligned along a first axis, and rotatable relative to the chassis. As such, a second keyboard portion pivotally coupled to a second position on the chassis for supporting a second plurality of keys aligned along a second axis. A second keyboard portion, the keyboard having a deployed position (the first and second axes being able to ergonomically present the first and second plurality of keys to a user. Inconsistent Position) and a storage position (the position where the first and second keyboard portions are inside the body of the chassis), and at least one row of the first and second keys is the storage position. A portable computer characterized in that it is kept aligned linearly in position. 16. The portable computer according to claim 15, wherein the keyboard is in the storage position.
A portable computer, wherein the first and second axes are substantially parallel. 17. The portable computer of claim 16, further comprising a base plate, the first and second keyboard portions coupled to the base plate, the chassis and the first and second keyboards. The keyboard part has multiple bosses,
A portable type, comprising a plurality of corresponding slots, wherein the boss engages in the slots to prevent the first and second keyboard portions from separating from the base plate. Computer.