Patent Application
20140252779
The present application generally relates to a locking arrangement for a portable electronic device such as a mobile phone, a smart phone, a tablet, or other electronic device. In particular, though not exclusively, the present application relates to a locking arrangement for attaching a display module to a body part of a portable electronic device.
Portable or handheld electronic devices such as mobile phones, smart phones, tablets, or other electronic devices often comprise two or more parts or modules that are mounted together. There may be for example a unibody chassis and a display module that are attached to each other. For example for repair purposes the display, module needs to be removably assembled into the unibody chassis.
Various aspects of examples of the invention are set out in the claims.
According to a first example aspect of the present invention, there is provided an apparatus comprising
According to a second example aspect of the present invention, an apparatus, such as a portable electronic device or an electronic device, comprising
According to a third example aspect of the present invention, there is provided a method comprising
Different non-binding example aspects and embodiments of the present invention have been illustrated in the foregoing. The embodiments in the foregoing are used merely to explain selected aspects or steps that may be utilized in implementations of the present invention. Some embodiments may be presented only with reference to certain example aspects of the invention. It should be appreciated that corresponding embodiments may apply to other example aspects as well.
For a more complete understanding of example embodiments of the present invention, reference is now made to the following descriptions taken in connection with the accompanying drawings in which:
a shows a schematic front view of a first apparatus according to an example embodiment of the invention;
b shows a schematic back view of a first apparatus according to an example embodiment of the invention;
a shows a schematic view of a locking part of an example embodiment of the invention;
b shows another schematic view of a locking part of an example embodiment of the invention;
c shows a schematic view of a detail of a locking part of an example embodiment of the invention;
d shows a schematic view of a display module of an example embodiment of the invention;
e shows a schematic view of a body part of an example embodiment of the invention;
f shows a partial cross sectional view illustrating mounting of a locking part into a body part in an example embodiment of the invention;
g shows a partial schematic view illustrating mounting of a locking part into a body part in an example embodiment of the invention;
a illustrates cross section of a locking arrangement of an example embodiment of the invention in an open position;
b illustrates cross section of a locking arrangement of an example embodiment of the invention in a closed position;
c illustrates cross section of a locking arrangement of an example embodiment of the invention in an open position;
d illustrates cross section of a locking arrangement of an example embodiment of the invention in a closed position.
An example embodiment of the present invention and its potential advantages are understood by referring to
a shows a schematic front view of an apparatus 100 according to an example embodiment of the invention. The apparatus 100 is for example a mobile phone, a smart phone, a tablet computer or an e-book reader and/or other portable electronic device. The apparatus 100 comprises a display 105 and a body part 101. In an example embodiment, the display 105 is a touch sensitive display. The touch sensitive display 105 comprises, in an example embodiment, a touch sensor for detecting the touch of the user on or in proximity thereof. In an example embodiment, the touch sensor comprises a resistive, a surface acoustic wave, a capacitive—such as a surface capacitance, a projected capacitance, a mutual capacitance, or self-capacitance—an infrared, an optical, a dispersive signal and/or acoustic pulse recognition touch sensor or an array thereof. In an example embodiment, the apparatus 100 comprises, in addition to the display 105, other user interface elements such as buttons, hardware or soft buttons or further display units. Furthermore, the apparatus 100, in a further example embodiment, comprises further elements (not shown), such as microphones, speakers, sensors or detectors and/or camera units.
b shows a schematic back view of the apparatus 100 according to an example embodiment of the invention. In an example embodiment the apparatus comprises a lens 106 of a camera unit, a flash element 107, such as a led and/or xenon flash, and/or a decorative or protective element 108. Furthermore, the apparatus 100, in a further example embodiment, comprises further elements that are not shown.
An example embodiment of the invention provides a locking arrangement for an electronic device such as the apparatus 100 of
In an example embodiment of the invention the locking arrangement comprises an elongated locking part configured to be mounted inside the body part and the locking part is movable between an open position and a closed position inside the body part. The locking part extends along most of the length of one edge of the body part, and in the closed position the locking part engages the cover part so that the cover part and the body part are coupled together along the edge of the body part. In an example embodiment of the invention the locking part couples the cover part to the body part at a plurality of points along the length of the locking part. In an example embodiment of the invention the locking part couples the cover part to the body part along most of the length of the locking part. In an example embodiment of the invention the locking part couples the cover part to the body part along most of the length of one edge of the body part. In an example embodiment the term most of the length refers to more than 50% of the length. In an example embodiment the locking part provides coupling along full length of the locking part or full length of one edge of the body part.
In an example embodiment of the invention the locking arrangement comprises at least one guiding member configured to guide movement of the locking part inside the body part and at least one engagement member configured to engage the cover part with the locking part when the locking part is in the closed position. In an example embodiment of the invention the guiding members comprise one or more of the following or a combination thereof: a rib, a snap, a groove, a guiding surface, a protrusion and a groove configured to receive the protrusion. In an example embodiment of the invention the guiding members comprise a plastic frame configured for attaching the locking part into the body part. In an example embodiment of the invention the engagement members comprise one or more of the following or a combination thereof: a protruding hook like structure and a hole/opening/aperture configured to receive the hook like structure, hook like protrusions configured to engage with each other, a lug, a loop. In an example embodiment of the invention the cover part comprises hook like protrusions and the locking member comprises openings configured to receive the hook like protrusions. The hook like protrusions and the openings provide the engagement between the cover part and the body part in the closed position. Some example structures are discussed in more detail below.
In an example embodiment of the invention the locking part comprises a movement member configured to move the locking part inside the body part. In an example embodiment of the invention the movement member is a screw. In an example embodiment of the invention the movement member is a bolt. In an example embodiment of the invention the movement member is a hidden screw that is not visible from the exterior of the device. In an example, the hidden screw resides inside a closable opening in device body. The closable opening may be for example a sim (subscriber identity module) card tray aperture or a memory card opening. In this way the locking arrangement is non-visible from the exterior of the device. In an alternative embodiment the movement member is fully or partially visible and arranged on a surface of the body part or in a recess of the body part.
In an example embodiment of the invention movement of the locking part inside the body part is a linear movement along the length of the locking part. In an example embodiment of the invention movement of the locking part inside the body part is a twisting movement about axis of the locking part.
In phase 210, a locking part is mounted into a body part of a portable electronic device. In this phase the locking part is in an open position. In an example embodiment, the locking part is mounted inside the body part. In an example embodiment, the body part comprises ribs and a plastic frame glued into the body part. In such embodiment one side of the locking part is placed under the ribs in the body part and the other side of the locking part is placed under hooks in the plastic frame. It needs to be understood that there are also other embodiments in which details of the mounting of the locking part are different from this example.
In phase 220, a cover part is placed on top of the body part. In an example embodiment, one side of the cover part comprises snaps/hooks and these snaps/hooks are placed under ribs in the body part. Other side of the cover part is pressed on top of the locking part. In an example embodiment, the cover part hides the locking part inside the electronic device.
In phase 230, the locking part is moved into a closed position thereby engaging with the cover part and attaching the cover part into the body part. In an example embodiment, the locking part comprises a preassembled screw and the locking part is moved by screwing the screw in or out. In an example embodiment screwing in the screw pushes the locking part in into the closed position and tightens gaps between the cover part and the body part thereby closing the electronic device. Unscrewing the screw pulls the locking part out back to the open position thereby enabling opening the electronic device.
In an example embodiment the body part comprises an opening, such as a sim (subscriber identity module) door opening or memory card opening and the screw of the locking part is mounted such that it is operable through the opening. In an example embodiment the opening in the body part comprises a door for closing the opening thereby hiding the screw. In this way the locking part is not visible outside the electronic apparatus.
a shows a schematic view of a locking part 300 of an example embodiment of the invention. The locking part 300 has an elongated form and comprises guiding members 310, 314 openings 311 and a preassembled screw 301. In this example the guiding members include ribs 310 and surfaces 314. It is possible that the locking part comprises also other guiding members in addition to these. Furthermore it is possible that the locking part 300 comprises only the ribs 310 or the surfaces 314. In other examples other guiding member structures are possible. When the locking part 300 is mounted into a body part of an electronic apparatus, the guiding members 310 are configured to interact with guiding members of the body part such that the guiding members 310, 314 of the locking part 300 and the guiding members of the body part allow certain movement of the locking part 300 inside the body part. The openings 311 are configured to receive protrusions of a cover part when the locking part 300 is in an open position in a body part and to lock the cover part to the body part when the locking part 300 is in a closed position in the body part. The screw 301 is configured to enable movement of the locking part 300 when the locking part 300 is mounted into a body part of an electronic apparatus.
b shows a schematic view of a locking part 300 of an example embodiment of the invention. The locking part 300 has an elongated form and comprises guiding members 310, 317 openings 311. In this example the guiding members include ribs 310 and surfaces 317. It is possible that the locking part 300 comprises also other guiding members in addition to these. Furthermore it is possible that the locking part 300 comprises only the ribs 310 or the surfaces 317. When the locking part 300 is mounted into a body part of an electronic apparatus, the guiding members 310 are configured to interact with guiding members of the body part such that the guiding members 310, 317 of the locking part 300 and the guiding members of the body part allow certain movement of the locking part 300 inside the body part. The openings 311 are configured to receive protrusions of a cover part when the locking part 300 is in an open position in a body part and to lock the cover part to the body part when the locking part 300 is in a closed position in the body part. In an example embodiment
c shows a partial schematic view of a detail of a locking part 300 of an example embodiment of the invention.
d shows a schematic view of a display module 320 of an example embodiment of the invention. The display module 320 comprises snaps/hooks 321 on one side of the display module 320 and hook like protrusions 322 on the other side of the display module 320. When the display module 320 is fitted into a body part of an electronic device, the snaps/hooks 321 are configured to be placed under ribs in the body part and the protrusions 322 are configured to be placed into openings in a locking part mounted inside the body part.
e shows a schematic view of a body part 330 of an example embodiment of the invention. The body part 330 comprises ribs 331, 332 for attaching a locking part into the body part 330.
f shows a partial cross sectional view illustrating mounting of a locking part 300 into a body part 330 in an example embodiment of the invention. The body part 330 comprises a rib 332 and a plastic frame 350 fitted into the body part 330. The plastic frame comprises a hook 351. The locking part 300 is mounted into the body part 330 so that one side of the locking part 300 fits under the rib 332 and other side of the locking part 300 fits under the hook 351 of the plastic frame 350. The hook 351 and the rib 332 guide movement of the locking part 300 inside the body part 330.
g shows a partial schematic view illustrating mounting of a locking part 300 into a body part 330 in an example embodiment of the invention. The body part 330 comprises a rib 332 and a plastic frame 350 fitted into the body part 330. The plastic frame comprises a hook 351. The locking part 300 is mounted into the body part 330 so that one side of the locking part 300 fits under the rib 332 and other side of the locking part 300 fits under the hook 351 of the plastic frame 350. The hook 351 and the rib 332 guide movement of the locking part 300 inside the body part 330.
a illustrates cross section of a locking arrangement 400 of an example embodiment of the invention in an open position. The locking arrangement 400 comprises a cover part 410 and a locking part 420. The body part is not shown in this figure for the sake of clarity. The cover part 410 comprises a plurality of hook like protrusions 411 and the locking part 420 comprises a plurality of openings 422. In
b illustrates cross section of a locking arrangement of
c illustrates cross section of a locking arrangement 401 of an example embodiment of the invention in an open position. The locking arrangement 401 comprises a cover part 430 and a locking part 440. The body part is not shown in this figure for the sake of clarity. The cover part 430 comprises a plurality of protrusions 444 that comprise openings and the locking part 440 comprises a plurality of hook like protrusions 433. In
d illustrates cross section of a locking arrangement of
It must be noted that
In
Without in any way limiting the scope, interpretation, or application of the claims appearing below, a technical effect of one or more of the example embodiments disclosed herein is that the locking arrangement provides multiple contact points between a body part and a cover part of the electronic device with one locking part. In this way it is possible to provide better connection between the body part and the cover part than for example when using simple screws for attaching a cover part to a body part. Since multiple connection points are provided by one locking part it is possible to achieve simple assembly and reassembly.
Another technical effect of one or more of the example embodiments disclosed herein is that the locking arrangement is not observable to the user of the device. Another technical effect of one or more of the example embodiments disclosed herein is that no visible screws are required on the device. Another technical effect of one or more of the example embodiments disclosed herein is capability to control functional and visual gaps between different parts of the device. Another technical effect of one or more of the example embodiments disclosed herein is capability to improve making the device waterproof, because the locking arrangement does not require any additional holes in the device cover.
Yet another technical effect of one or more of the example embodiments disclosed herein is possibility to improve antenna performance. It is possible to get metal parts (e.g. screws) away from device's antenna area. Another technical effect of one or more of the example embodiments disclosed herein is possibility to improve audio performance. It is possible to get more volume for speaker's back/front cavities as no screws are needed. Another technical effect of one or more of the example embodiments disclosed herein is possibility to use wider choice of materials. Different materials may be suitable for the locking part, depending on product possibilities.
If desired, the different functions discussed herein may be performed in a different order and/or concurrently with each other. Furthermore, if desired, one or more of the before-described functions and structures may be optional or may be combined.
Although various aspects of the invention are set out in the independent claims, other aspects of the invention comprise other combinations of features from the described embodiments and/or the dependent claims with the features of the independent claims, and not solely the combinations explicitly set out in the claims.
It is also noted herein that while the foregoing describes example embodiments of the invention, these descriptions should not be viewed in a limiting sense. Rather, there are several variations and modifications which may be made without departing from the scope of the present invention as defined in the appended claims.
