Electronic device, electronic device body, and cover member
The electronic device design with a cover member attached to the lower surface ensures stable button operation and secure attachment, addressing instability and operation difficulties in conventional calculators.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- CASIO COMPUTER CO LTD
- Filing Date
- 2021-12-20
- Publication Date
- 2026-06-02
Smart Images
Figure 0007868332000012 
Figure 0007868332000013 
Figure 0007868332000014
Abstract
Description
Technical Field
[0001] This invention relates to an electronic device including an electronic device body and a cover member, the electronic device body constituting the same, and the cover member.
Background Art
[0002] Conventionally, in an electronic desktop calculator (hereinafter referred to as an electronic calculator), which is a portable electronic device, a thin front cover member is rotatably provided on one side edge of a thin back cover member, and the electronic calculator is detachably held by the back cover member. In such a configuration, during portability (when not in use), by closing the front cover member, a plurality of input buttons and a display device arranged on the upper surface of the electronic calculator can be protected.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004] However, in the above configuration, when using the electronic calculator by placing it on the upper part of a desk, the front cover member becomes an obstacle when it is open. To avoid this, when the front cover member is folded to the lower surface side of the back cover member, there are problems such as the electronic calculator being unstable and the input buttons being difficult to operate.
[0005] The problem to be solved by the present invention is to provide an electronic device in which input buttons can be operated well while a cover member for protecting the electronic device body is attached to the back surface side of the electronic device body, the electronic device body constituting the same, and the cover member.
Means for Solving the Problems
[0006] The electronic device of the present invention comprises an electronic device body having a shape in which the thickness gradually increases from one end to the other, and a cover portion that can be attached to the lower surface of the electronic device body. Material and , the above A pair of retaining protrusions are provided along both sides of the cover member to hold both sides of the electronic device body, Equipped with, Each of the pair of retaining protrusions has a pair of opposing grooves into which the sides of the electronic device body are inserted, and each of the pair of grooves is provided with a first engaging portion, and both sides of the electronic device body are provided with a second engaging portion that loosely engages with the first engaging portion. It is characterized by the following: [Effects of the Invention]
[0007] According to this invention, it is possible to provide an electronic device in which input buttons can be easily operated while a cover member for protecting the electronic device body is attached to the back side of the electronic device body, as well as the electronic device body and cover member that constitute the same. [Brief explanation of the drawing]
[0008] [Figure 1] This is a perspective view of an electronic device showing one embodiment of the present invention. [Figure 2] This is a perspective view of an electronic desktop calculator. [Figure 3] This is a bottom view of an electronic desktop calculator. [Figure 4] This is a perspective view of the cover component. [Figure 5] This is a side view of an electronic device showing a portion of the cover component cut off. [Figure 6] This is a cross-sectional view AA in Figure 1. [Figure 7] This is an explanatory diagram illustrating the amount of deflection at one end of an electronic desktop calculator. [Modes for carrying out the invention]
[0009] Hereinafter, one embodiment of the present invention will be described with reference to Figures 1 to 7. Figure 1 is a perspective view showing the electronic device in this embodiment, which comprises a portable electronic desktop calculator 1 (hereinafter referred to as the electronic calculator) and a cover member 2 that is detachably attached to the electronic calculator 1. The electronic calculator 1 corresponds to the main body of the electronic device of the present invention, and the cover member 2 can be attached not only to the upper (front) side of the electronic calculator 1 as shown in Figure 1, but also to the lower (back) side of the electronic calculator 1. This allows the upper (a) side of the electronic calculator 1 to be protected by attaching the cover member 2 to the upper (a) side of the electronic calculator 1 when not in use (for example, when carrying it). Furthermore, when in use, the cover member 2 can be attached to the lower (b) side of the electronic calculator 1 to prevent loss of the cover member 2 during use.
[0010] Figure 2 is a perspective view showing the computer 1 without the cover member 2 attached. The computer 1 has a roughly rectangular planar shape with rounded corners and has a main body case 13 composed of an upper case 11 forming the top side and a lower case 12 forming the bottom side. An example of the material of the main body case 13 is synthetic resin. Although not shown, various electronic components (for example, circuit boards, etc.) are housed inside the main body case 13.
[0011] On the top surface 1a of the electronic computer 1 (main case 13), multiple input buttons 14, which are pressed during calculations, are arranged on one end in the longitudinal direction (direction A indicated by arrow A in Figure 2), and a display device 15 consisting of a planar display element such as a liquid crystal display element or an EL (electroluminescent) display element is arranged on the other end in the longitudinal direction. Furthermore, the electronic computer 1 is plate-shaped and its thickness gradually increases from one end to the other, and the side shape, that is, the shape of the main case 13 as seen from the side, is vertically symmetrical when the main case 13 is divided into two halves vertically. Note that the number and arrangement pattern of the input buttons 14 in Figures 1 and 2 are shown for convenience only.
[0012] Furthermore, Figure 3 is a bottom view of the electronic computer 1, and on both sides of the electronic computer 1, there are ribs 16 which are integrally provided with the lower case 12 and form part of the bottom surface 1b, and which protrude from the lower half of the rounded side surface 1c. These ribs 16, 16 constitute the protrusions of the present invention and have the functions described later.
[0013] Figure 4 is a perspective view showing the cover member 2 shown in Figure 1. The cover member 2 is made of a flexible material (for example, synthetic resin) and has a rectangular cover body 21 that covers the upper or lower side of the computer 1 when attached to the computer 1, and a pair of retaining protrusions 22, 22 that protrude along both sides of the cover body 21. In this embodiment, the cover member 2 covers the entire upper or lower side of the computer 1 when attached to the computer 1, and the retaining protrusions 22, 22 protrude along both ends of the cover body 21 that correspond to one end of the computer 1.
[0014] Furthermore, a pair of grooves 23, 23 are provided on the opposing inner portions of the pair of retaining protrusions 22, 22, opening opposite each other. These grooves 23, 23 penetrate the cover body 21 in the longitudinal direction through the retaining protrusions 22, 22. The pair of grooves 23, 23 are configured so that when the cover member 2 is attached to the computer 1, both sides of the computer 1 (in this embodiment, both sides of one end) are inserted into them. That is, the shape of the pair of grooves 23, 23 corresponds to the side shape of the computer 1 (the side shape of one end of the electronic device 1), i.e., the shape of the cross section along the longitudinal direction, and the groove width of the pair of grooves 23, 23 gradually widens from one end of the cover member 2, which corresponds to one end of the computer 1, towards the other end. In addition, the width of the pair of grooves 23, 23 is set to be slightly larger than the thickness of one end of the computer 1 in order to facilitate the work of attaching the cover member 2 to one end of the computer 1.
[0015] Therefore, the aforementioned ribs 16, 16 are provided on both sides of the electronic computer 1 at locations corresponding to the retaining protrusions 22, 22, and are positioned on the other end side (the side with the wider groove width) of the pair of grooves 23, 23 when the electronic computer 1 is held by the retaining protrusions (when the cover member 2 is attached to the electronic computer 1). In other words, as shown in Figure 5, the ribs 16, 16 have the function of preventing the electronic computer 1 from rattling relative to the cover member 2 (directly the retaining protrusions 22, 22) when the cover member 2 is attached to the electronic computer 1 by restricting the position of a part of the electronic computer 1 within the pair of grooves 23, 23 (specifically, restricting its position upward (i.e., towards the upper wall 23a side of the groove 23 described later)). In other words, when the electronic computer 1 is attached to the cover member 2, the position of a part of the electronic computer 1 is restricted (restricted upward) by the cover member 2. In other words, the ribs 16, 16 and the retaining protrusions 22, 22 constitute a restricting portion that relatively restricts the position of a part of the computer 1 relative to the cover member 2. Figure 5 is a diagram showing the relationship between the two when the cover member 2 is attached to the lower side of the computer 1, and is a side view of the electronic device showing one of the retaining protrusions 22 cut along the side of the computer 1.
[0016] On the other hand, as shown in Figure 4, the retaining protrusions 22, 22 of the cover member 2 are each provided with engaging portions 24 located within the grooves 23, 23 of the cover member 2, close to the end on one side. Correspondingly, as shown in Figure 2, both sides of the electronic computer 1 are each provided with engaged portions 17 located close to the end on one side, into which the engaging portions 24 engage.
[0017] The engaging portion 24 and the engaged portion 17 engage with each other when the cover member 2 is attached to the electronic computer 1. As shown in FIG. 6, the engaging portion 24 has an engaging convex portion 25 formed to project from the bottom surface of the groove 23, and the engaged portion 17 is provided on the side surface of the main body case 13 of the electronic computer 1 and has an engaging concave portion 18 into which the engaging convex portion 25 is loosely fitted. Then, when both sides of one end side of the electronic computer 1 are moved in the longitudinal direction within the grooves 23, 23 of the holding projections 22, 22 of the cover member 2, the engaging portion 24 and the engaged portion 17 are configured to engage with each other by a certain force as the upper sides of the holding projections 22, 22 expand with the elastic deformation of the cover main body 21, and to release the engaged state. That is, the engaging portion 24 and the engaged portion 17 are detachable by a certain force.
[0018] In the present embodiment having the above configuration, the electronic device includes an electronic computer 1 having a shape in which the thickness gradually increases from one end side to the other end side, and a cover member that can be attached to the lower surface 1b side of the electronic computer 1 and that regulates (regulates upward) the relative position with respect to a part of the cover member 2 of the attached electronic computer 1. Specifically, the cover member 2 has a cover main body 21 that covers the lower surface 1b side of the electronic computer 1, and a pair of holding projections 22, 22 that project along both side portions of the cover main body 21 and hold both side portions of the electronic computer 1. A pair of grooves 23, 23 into which both side portions of the electronic computer 1 are respectively inserted are opened facing each other in both holding projections 22. Further, a pair of ribs 16, 16 that regulate the position in the thickness direction of a part of the electronic computer 1 within the pair of grooves 23, 23 are provided on both side portions of the electronic computer 1.
[0019] Therefore, as shown in FIG. 1, when the cover member 2 is attached to the lower surface 1b side of the electronic computer 1 and used, a part of the electronic computer 1, that is, the part where the ribs 16, 16 are provided, does not play up and down in the respective grooves 23, 23 and is well held by the cover member 2. That is, since the cover member 2 is configured to regulate the relative position with respect to a part of the cover member 2 of the electronic computer 1 to which it is attached, even in a state where the cover member 2 is attached to the lower surface 1b side of the electronic computer 1, the input button 4 can be operated well.
[0020] Also, as described above, the pair of ribs 16, 16 regulate the position in the thickness direction of a part of the electronic computer 1 in the pair of grooves 23, 23. In the present embodiment, in a state where the cover member 2 is attached to the lower surface 1b side of the electronic computer 1, a part of the electronic computer 1 in the pair of grooves 23, 23 is regulated to be positioned upward. Therefore, in a state where the cover member 2 is attached to the lower surface 1b side of the electronic computer 1, the pair of ribs 16, 16 can press the entire area of one end side of both side portions of the electronic computer 1, that is, the area from the ribs 16, 16 to the end portion on the one end side, against the upper walls 23a of the respective pair of grooves 23, 23 (see FIGS. 5 and 6). As a result, not only a part of the electronic computer 1 but also the entire area of its one end side does not play up and down in the respective grooves 23, 23 and is well held by the cover member 2.
[0021] Furthermore, in this embodiment, when the electronic computer 1 is held by the holding projection, each rib 16 is positioned on the other end side of a pair of grooves 23, 23 located on the other end side of the electronic computer 1. Therefore, when inserting the electronic computer 1 into the grooves 23, 23 from one end, the electronic computer 1 can be smoothly slid in. In other words, if each rib 16 is close to the end on one end side of the electronic computer 1, the inner walls of each rib 16 and each groove 23 will interfere, making it difficult to insert the electronic computer 1. For this reason, considering the ease of inserting the electronic computer 1, it is desirable to position the ribs 16 further away from the end on one end side. Accordingly, in this embodiment, by positioning each rib 16 on the other end side of a pair of grooves 23, 23, both sides of the electronic computer 1 can be smoothly slid into the grooves 23, 23.
[0022] Furthermore, in this embodiment, the pair of retaining protrusions 22, 22 are provided along both sides of one end of the cover body 21 and are configured to hold both sides of one end of the computer 1, and the pair of ribs 16 are provided on both sides of one end of the computer 1. For this reason, compared to, for example, the case where the pair of retaining protrusions 22, 22 are provided along the entire longitudinal area on both sides of the cover body 21, it is easier to attach the cover member 2 to the lower surface 1b of the computer 1.
[0023] On the other hand, when the cover member 2 is attached to the lower surface 1b side of the computer 1, as shown in Figure 6, a gap S1 inevitably occurs in the grooves 23, 23 on the lower side of both sides of the computer 1. Also, a gap S2 inevitably occurs in the engagement recess 18 of the computer 1 on the lower side of the engagement projection 25 of the cover member 2. Therefore, when a load is applied in the direction of pressing the input button 14 at a location away from the rib 16 (for example, when the input button 14 located on the frontmost side of one end of the computer 1 is pressed), the end on one end will bend downward starting from the rib 16, and there is a concern that rattling may occur at that time.
[0024] However, since the electronic computer 1 has a shape in which the thickness gradually increases from one end to the other, the degree of deflection at one end is smaller than when the thickness of the electronic computer 1 is uniform. This is also evident from the following.
[0025] In other words, Figure 7 is a diagram illustrating the amount of deflection at one end of the computer 1, where (a) is an explanatory diagram showing the shape of the computer 1, where the thickness gradually increases from one end to the other, as described above, and (b) is an explanatory diagram showing the case where the thickness of the computer 1 is uniform. However, Figures 7(a) and 7(b) are schematic diagrams when the main case 13 is considered to be a solid material.
[0026] Here, assuming that one end of the electronic computer 1 is a cantilever beam fixed at the position where the rib 16 is provided, and that the end of the one end is a free end, the amount of deflection of the free end when a load (concentrated load at the tip) is applied in the direction of pressing the input button 14 can be obtained by the following calculation.
[0027] First, as shown in Figure 7(b), if the thickness of the electronic computer 1 is uniform, the deflection y1(0) at the free end can be calculated using the deflection formula by the following equation 1.
number
[0028] On the other hand, as shown in Figure 7(a), if the thickness of the computer 1 is not uniform and the height of the cross-section at the fixed end is greater than the height of the cross-section at the free end, then a
number
number
[0029] Here, C1 and C2 are,
number
number
[0030] Therefore, by substituting these values, the deflection y2(0) at the free end can be calculated using the following equation (6).
number
[0031] From the above, the height h0 of the cross-sections of the free end and fixed end in Figure 7(b) is
number
number
[0032] Furthermore, in Figure 7(a), the height h0 of the cross-section at the free end and the height h1 of the cross-section at the fixed end are
number
number
[0033] Therefore, between the amount of deflection y2(0) at the free end in Figure 7(a) and the amount of deflection y1(0) at the free end in Figure 7(b),
number
[0034] Therefore, when the cover member 2 is attached to the lower surface 1b of the electronic computer 1, for example, when the input button 14 located at the front is pressed, rattling is less likely to occur, ensuring a good operating condition. This is true even if the shape of the electronic computer 1, as viewed from the side, is not vertically symmetrical as in this embodiment, as long as the thickness of the electronic computer 1 gradually increases from one end to the other. As a result of the above, in the electronic device of this embodiment, the input buttons can be operated properly even with the cover member for protecting the electronic computer 1 attached to the lower surface 1b (back) of the electronic computer 1.
[0035] Furthermore, in this embodiment, the pair of grooves 23, 23 are formed in a shape that corresponds to the side shape of the electronic computer 1, gradually widening from one end to the other. Therefore, when using the electronic computer 1 with the cover member 2 attached to the lower surface 1b side, inserting the electronic computer 1 into each groove 23, 23 from one end is extremely easy. In addition, while ensuring ease of installation of the cover member 2, the gap created on the lower surface 1b side of the electronic computer 1 within each groove 23, 23 after installation can be minimized, and the electronic computer 1 can be held in a better condition by the cover member 2 during use.
[0036] Furthermore, in this embodiment, the upper walls 23a, 23a of each of the pair of grooves 23, 23 (the walls facing the upper surface 1a of the computer 1 in the state shown in Figure 5, i.e., the walls facing the upper surface 21a of the cover body 21) 23a, 23a are formed parallel to the lower surface 21b of the cover body 21. The computer 1 is held by the pair of retaining protrusions 22, 22 such that its lower surface 1b faces the upper surface 21a of the cover body 21 (the surface facing the computer 1) 21a, and has a structure in which its upper surface 1a is parallel to the lower surface 21b of the cover body 21 (the surface opposite to the upper surface 21a).
[0037] Therefore, when using the electronic computer 1 on a desk or the like, by attaching the cover member 2 to the bottom surface 1b, even if the electronic computer 1 has a shape in which the thickness gradually increases from one end to the other, the display angle of the display device 15, that is, the angle at which a line perpendicular to the surface of the display device 15 is inclined with respect to the vertical, can be set to 0°. At the same time, since the display angle of the display device 15 changes depending on whether the cover member 2 is attached or not, the display angle of the display device 15 can be changed according to the user's preference.
[0038] Furthermore, in this embodiment, the upper surface 21a of the cover body 21 is inclined along the lower walls 23b, 23b of each of the pair of grooves 23, 23 (the walls facing the lower surface 1b of the computer 1 in the state shown in Figure 5, i.e., the walls facing the upper wall 23a). Therefore, when molding the cover member 2, the grooves 23, 23 can be easily formed in the pair of retaining protrusions 22, 22. Also, when attaching the cover member 2 to the computer 1, the computer 1 can be easily inserted into the pair of grooves 23, 23 by simply sliding the computer 1 on the upper surface 21a of the cover body 21 from the other end of the cover body 21, where the pair of retaining protrusions 22, 22 are not provided, toward the one end.
[0039] Furthermore, in this embodiment, the pair of retaining protrusions 22, 22 of the cover member 2 are provided with engaging portions 24, and one end of the computer 1 is provided with a receiving portion 17 that can be engaged and disengaged by a certain force. Therefore, it is possible to prevent the cover member 2 from accidentally falling off the computer 1 while it is being carried in a bag or the like with the cover member 2 attached to the bottom of the computer 1.
[0040] In this embodiment, the configuration described has been one in which the engaging portion 24 has an engaging projection 25 and the engaged portion 17 has an engaging recess 18 into which the engaging projection 25 loosely fits. However, the specific configuration of the engaging portion 24 and the engaged portion 17 is arbitrary. For example, it is also possible to provide an engaging recess in the engaged portion 17 of the cover member 2 and provide an engaging projection that loosely fits into the engaging recess in the engaging portion 24 of the computer 1. In other words, the engaging portion 24 of the computer 1 can be provided on the cover member 2, and the engaged portion 17 of the cover member 2 can be provided on the computer 1.
[0041] In this embodiment, the configuration described primarily concerns the cover member 2 restricting its relative position in the thickness direction within a part of the computer 1 to which it is attached. However, the invention is not limited to this configuration; the cover member 2 can be configured to restrict its relative position within a part of the computer 1 to which it is attached. Therefore, the cover member 2 may be configured to restrict its relative position in any direction other than the thickness direction within a part of the computer 1, or to restrict its relative position in both the thickness direction and other directions. Even in such cases, the input buttons 4 can be operated smoothly when the cover member 2 is attached to the lower surface 1b (back surface) of the computer 1.
[0042] In the above description, the electronic device body of the present invention has been illustrated as a portable electronic desktop calculator 1. However, the electronic device body of the present invention is not limited to this, and may be any other electronic device such as an electronic dictionary, as long as it has a configuration in which a plurality of input buttons are arranged on one end of the top surface and a display device is arranged on the other end of the top surface.
[0043] Although several embodiments of this invention have been described above, this invention is not limited to these, and includes the invention described in the claims and its equivalents. The invention described in the claims of this application is listed below.
[0044] [Claim 1] An electronic device body having a shape in which the thickness gradually increases from one end to the other end, A cover member that can be attached to the lower surface of the electronic device body, the cover member that restricts the relative position of a part of the electronic device body to which it is attached with respect to the cover member, An electronic device characterized by having the following features. [Claim 2] The cover member comprises a cover body that covers the lower side of the electronic device body, and a pair of retaining protrusions that protrude along both sides of the cover body and hold both sides of the electronic device body. Both retaining protrusions have a pair of grooves opening opposite each other, into which the two sides of the electronic device body are inserted. On both sides of the electronic device body, a pair of protrusions are provided to restrict the position in the thickness direction of a part of the electronic device body within the pair of grooves. The electronic device according to feature 1. [Claim 3] The electronic device according to claim 2, wherein the protrusions are provided on both sides of the electronic device body so as to be located on the other end side of the pair of grooves located on the other end side of the electronic device body, while both sides of the electronic device body are held by the pair of retaining protrusions. [Claim 4] The pair of retaining protrusions are provided to protrude along both sides of one end of the cover body and are configured to hold both sides of one end of the electronic device body. The aforementioned protrusions are provided on both sides of one end of the electronic device body, The electronic device according to claim 2 or 3. [Claim 5] The electronic device according to any one of claims 2 to 4, characterized in that the pair of grooves are formed in a shape that corresponds to the side shape of the electronic device body, and gradually widens from one end to the other. [Claim 6] The upper wall of each of the pair of grooves is formed parallel to the lower surface of the cover body. The electronic device body is held by the pair of retaining protrusions such that the lower surface of the electronic device body faces the upper surface of the cover body, and has a structure in which the upper surface of the electronic device body is parallel to the lower surface of the cover body. The electronic device according to any one of claims 2 to 5. [Claim 7] The electronic device according to any one of claims 2 to 6, characterized in that the upper surface of the cover body is inclined along the lower walls of each of the pair of grooves. [Claim 8] The electronic device according to any one of claims 2 to 6, characterized in that an engaging portion is provided on one of the pair of retaining protrusions of the cover member and one end of the electronic device body, and an engaged portion is provided on the other of the pair of retaining protrusions of the cover member and one end of the electronic device body, such that the engaging portion can be engaged and disengaged by a certain force. [Claim 9] The electronic device according to any one of claims 1 to 8, characterized in that the electronic device body is an electronic desktop calculator. [Claim 10] An electronic device body comprising the electronic device described in any one of claims 1 to 9. [Claim 11] A cover member constituting an electronic device according to any one of claims 1 to 9. [Explanation of symbols]
[0045] 1. Electronic desktop calculator 1a Top surface 1b Bottom side 1c side 2 Cover member 11 Upper case 12 Lower case 13 cases 14 Input buttons 15 Display device 16 Ribs 17 Engaged portion 18 Engagement recess 21 Cover body 21a Top surface 21b Bottom side 22 Retaining protrusion 23 Groove 23a Upper wall 23b Lower wall 24 Engagement part 25 Engagement protrusion
Claims
1. An electronic device body having a shape in which the thickness gradually increases from one end to the other end, A cover member that can be attached to the lower side of the electronic device body, A pair of retaining protrusions are provided along both sides of the cover member to hold both sides of the electronic device body, Equipped with, Each of the pair of retaining protrusions has a pair of grooves opening opposite each other, into which the two sides of the electronic device body are inserted. The pair of grooves are provided with a first engagement portion, The main body of the electronic device is provided with second engaging portions that loosely engage with the first engaging portion. An electronic device characterized by the following features.
2. The first engaging portion is provided in the pair of grooves so as to be located on one end side of the electronic device body while both sides of the electronic device body are held by the pair of retaining protrusions. The electronic device according to feature 1.
3. The electronic device body is further provided with a rib that presses the electronic device body against the wall portion of each of the pair of grooves facing the upper surface of the electronic device body when the cover member is attached to the lower surface of the electronic device body. The ribs are provided at positions corresponding to the other end of the pair of grooves when the cover member is attached to the lower surface of the electronic device body. The electronic device according to feature 2.
4. The pair of grooves are formed in a shape that corresponds to the side shape of the electronic device body, with the width gradually increasing from one end to the other end. The electronic device according to claim 2 or 3.
5. The upper wall of each of the pair of grooves is formed parallel to the lower surface of the cover member. The electronic device body is held by the pair of retaining protrusions such that the lower surface of the electronic device body faces the upper surface of the cover member, and has a structure in which the upper surface of the electronic device body is parallel to the lower surface of the cover member. The electronic device according to any one of claims 2 to 4.
6. The upper surface of the cover member is inclined along the lower walls of each of the pair of grooves. The electronic device according to any one of claims 2 to 5.
7. The first engaging portion and the second engaging portion are such that the electronic device body can be engaged with and disengaged from the cover member by moving the electronic device body with a constant force from one end to the other end. The electronic device according to any one of claims 2 to 6.
8. The aforementioned electronic device is an electronic desktop calculator. The electronic device according to any one of claims 1 to 7.
9. An electronic device body comprising the electronic device described in any one of claims 1 to 8.
10. A cover member constituting an electronic device according to any one of claims 1 to 9.