WO2023274115A1 - 电子设备及其控制方法、控制装置和可读存储介质 - Google Patents
电子设备及其控制方法、控制装置和可读存储介质 Download PDFInfo
- Publication number
- WO2023274115A1 WO2023274115A1 PCT/CN2022/101417 CN2022101417W WO2023274115A1 WO 2023274115 A1 WO2023274115 A1 WO 2023274115A1 CN 2022101417 W CN2022101417 W CN 2022101417W WO 2023274115 A1 WO2023274115 A1 WO 2023274115A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electronic device
- control circuit
- screen
- adhesive part
- peeling adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
- G06F1/1658—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories related to the mounting of internal components, e.g. disc drive or any other functional module
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
Definitions
- the present application belongs to the technical field of electronic equipment, and in particular relates to an electronic equipment, a control method thereof, a control device and a readable storage medium.
- the screen is bonded to the main shell by using acrylic glue.
- acrylic glue needs to be heated by a heater until it loses its viscosity, so that the screen can be removed from the main shell. Disassemble. It can be seen from this that when dismantling the screen of the electronic device, there are problems of cumbersome operation and easy damage of the screen.
- the purpose of the embodiments of the present application is to provide an electronic device, a control method thereof, a control device, and a readable storage medium, so as to simplify the process of disassembling the screen of the electronic device.
- the embodiment of the present application provides an electronic device, which includes a casing, a screen, and an electric peeling adhesive part, the electronic device includes a control circuit, and the control circuit includes the electric peeling adhesive part, wherein :
- the electrical peeling adhesive part When the control circuit is in the disconnected state, the electrical peeling adhesive part is in a bonded state, and the screen is bonded to the housing through the electrical peeling adhesive part;
- the electro-peelable adhesive part When the control circuit is in the open state, the electro-peelable adhesive part is in an unbonded state, and the screen is separable from the electro-peelable adhesive part and the housing is detachable from the electro-peelable adhesive part.
- an embodiment of the present application provides a method for controlling an electronic device, the electronic device is the electronic device described in the first aspect, and the control method includes:
- a receiving module configured to receive a first input
- a control module configured to control the control circuit to be in an ON state when the first input is a screen removal input.
- an embodiment of the present application provides a control device for an electronic device, the electronic device is the electronic device described in the first aspect, and the control device includes:
- a receiving module configured to receive a first input
- a control module configured to control the control circuit to be in an ON state when the first input is a screen removal input.
- an embodiment of the present application provides an electronic device, which includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is controlled by the When executed by the processor, the steps of the electronic device control method according to the second aspect are implemented.
- the embodiment of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the electronic device described in the second aspect is implemented. The steps of the control method.
- the embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions, so as to implement the second aspect The control method of the electronic equipment.
- the embodiment of the present application provides a computer program product, the computer program product is stored in a non-volatile storage medium, and the program product is configured to be executed by at least one processor to implement the second The steps of the electronic device control method described in the aspect.
- an embodiment of the present application provides a positioning device configured to execute the method for controlling an electronic device as described in the second aspect.
- the electric peeling adhesive part when the control circuit is in the disconnected state, the electric peeling adhesive part is in the bonding state, and at this time, the screen can be bonded to the housing through the electric peeling adhesive part; when the control When the circuit is in the open state, the electro-peelable adhesive part is in a non-adhesive state, and at this time, the screen and the electro-peelable adhesive part and the housing and the electro-peelable adhesive part can be separated.
- the control circuit can be switched to an open circuit state, so that the electrical peeling adhesive part is in a bonded state, thereby ensuring that the screen is bonded to the housing through the electrical peeling adhesive part;
- the control circuit can be switched to the open circuit state, so that the electric peeling adhesive part is in a non-adhesive state, so that the shell and the screen can be separated from the electric peeling adhesive part, thereby realizing the dismantling of the screen of the electronic device operate.
- the electronic device in the embodiment of the present application only needs to switch the on-off state of the control circuit when dismantling the screen, which not only simplifies the screen dismantling process, but also avoids the screen and the shell being damaged by heating. damage.
- FIG. 1 is a schematic diagram of the principle of the screen-disassembling operation of the first electronic device disclosed in the embodiment of the present application;
- FIG. 2 is a schematic circuit diagram of the first electronic device disclosed in the embodiment of the present application.
- FIG. 3 is a schematic diagram of the principle of the screen-disassembling operation of the second electronic device disclosed in the embodiment of the present application;
- FIG. 4 is a schematic circuit diagram of a third electronic device disclosed in an embodiment of the present application.
- FIG. 5 is a schematic circuit diagram of a fourth electronic device disclosed in an embodiment of the present application.
- FIG. 6 is a schematic structural diagram of a fifth electronic device disclosed in an embodiment of the present application.
- FIG. 7 is a schematic diagram of a control method for an electronic device disclosed in an embodiment of the present application.
- FIG. 8 and FIG. 9 are schematic diagrams of exemplary application scenarios of a method for controlling an electronic device disclosed in an embodiment of the present application.
- FIG. 10 is a schematic block diagram of a hardware structure of an electronic device according to an embodiment of the present application.
- the embodiment of the present application discloses an electronic device.
- the electronic devices disclosed in the embodiments of the present application may be of various types, such as smart phones, tablet computers, wearable devices, etc., which are not limited in the embodiments of the present application.
- the electronic device disclosed in the embodiment of the present application includes a casing 10 , a screen 20 and an electrical peeling adhesive part 30 , the electronic device includes a control circuit, and the control circuit includes the electrical peeling adhesive part 30 .
- the control circuit when the control circuit is in the disconnected state, the electric peeling adhesive part 30 is in the bonding state, and the screen 20 is bonded to the housing 10 through the electric peeling adhesive part 30; when the control circuit is in the open state, the electric peeling adhesive The connecting portion 30 is in a non-adhesive state, and the screen 20 and the electrical peeling adhesive portion 30 as well as the housing 10 and the electrical peeling adhesive portion 30 can be separated.
- the casing 10 is the basic component of the electronic device, which provides the installation base for other components of the electronic device.
- the screen 20 is installed on the casing 10, and realizes bonding.
- the electro-peelable adhesive part 30 is made of an electro-peelable adhesive composition, which is a well-known material, and has high adhesiveness before applying a voltage, so it can possess adhesive performance, and at the same time After applying voltage, the positive and negative ions inside the electro-peelable adhesive composition will separate and move toward the surface, and change the microstructure of the surface, thereby effectively reducing the overall adhesive performance in a short time.
- the bonding and separation of the screen 20 and the casing 10 can be realized.
- the embodiment of the present application does not limit the specific configuration of the electro-peelable adhesive part 30, which may be a single-layer electro-peelable adhesive layer.
- the electro-peelable adhesive layer When the electro-peelable adhesive layer is not energized, the housing 10 and the screen 20 are respectively bonded.
- the electro-peelable adhesive part 30 On the opposite sides of the electro-peelable adhesive layer, see FIG. 1 for details; or, the electro-peelable adhesive part 30 includes a first electro-peelable adhesive layer 31, a base material 32 and a second electro-peelable adhesive layer stacked in sequence.
- the electric peeling adhesive sheet is bonded to the screen 20 through the first electric peeling adhesive layer 31, the electric peeling adhesive sheet is bonded to the casing 10 through the second electric peeling adhesive layer 33, and the first electric peeling adhesive layer is 31 is electrically connected to the second electro-peelable adhesive layer 33, so as to ensure that the electro-peelable adhesive part 30 can form a loop in the control circuit, see FIG. 3 for details.
- the electric peeling adhesive part 30 includes a first electric peeling adhesive layer 31, a base material 32 and a second electric peeling adhesive layer 33 stacked in sequence
- the base material 32 can be an insulating structural member.
- the first electro-peelable adhesive layer 31 and the second electro-peelable adhesive layer 33 may be directly electrically connected.
- the substrate 32 is a conductive structural member, and the first electro-peelable adhesive layer 31 is electrically connected to the second electro-peelable adhesive layer 33 through the substrate 32; wherein the substrate 32 can be a conductive non-woven fabric layer, a circuit board, etc. .
- the switch between the bonded state and the debonded state of the electro-peelable adhesive part 30 needs to be realized by applying a voltage or not.
- the electronic The device controls the application of voltage by setting the control circuit.
- the loss of adhesion state of the electrical peeling adhesive part 30 means that the viscosity of the electrical peeling adhesive part 30 drops to a certain critical value after the voltage is applied, making it difficult for the screen 20 and the housing 10 to maintain the bonded state, and does not necessarily refer to the electrical peeling
- the adhesive part 30 completely loses its viscosity; by adjusting the magnitude of the voltage applied by the control circuit to the electrically peelable adhesive part 30 , the rate at which the viscosity of the electrically peelable adhesive part 30 decreases can be adjusted.
- the electric peeling adhesive portion 30 is in the unbonded state, the screen 20 and the housing 10 can be separated from the electric peeling adhesive portion 30; The screen 20 and the casing 10 can also be quickly separated by appropriate force.
- the control circuit in order to ensure that the screen 20 can be bonded to the housing 10, the control circuit can be switched to an open circuit state.
- the control circuit of the bonding part 30 does not form a loop, that is, no voltage is applied to both ends of the electric peeling bonding part 30, so the electric peeling bonding part 30 will be in a bonded state, and the screen 20 is bonded to the housing 10, In this way, the assembly of the screen 20 on the housing 10 is realized, and the stable and reliable connection between the screen 20 and the housing 10 is ensured in daily use of the electronic device.
- the control circuit in order to disassemble the screen 20 from the casing 10, the control circuit can be switched to the open state, and at this time, the electric peeling adhesive part 30 is in the conduction loop of the control circuit. , that is, a voltage is applied to both ends of the electric peeling adhesive part 30, so the electric peeling adhesive part 30 will be in an unbonded state, and both the screen 20 and the housing 10 will be separated from the bonding area of the electric peeling adhesive part 30, so This realizes the separation of the screen 20 from the casing 10, and then completes the screen disassembly operation.
- the electric peeling adhesive part 30 when the control circuit is in the disconnected state, the electric peeling adhesive part 30 is in the bonding state, and at this time, the screen 20 can be bonded by the electric peeling adhesive part 30.
- the electrical peeling adhesive portion 30 Connected to the housing 10; when the control circuit is in the open state, the electrical peeling adhesive portion 30 is in a state of loss of adhesion, and at this moment, the screen 20 and the electrical peeling adhesive portion 30 as well as the housing 10 and the electrical peeling adhesive portion 30 can separate.
- the control circuit can be switched to the disconnected state, so that the electric peeling adhesive part 30 is in the bonding state, thereby ensuring that the screen 20 is bonded to the housing 10 through the electric peeling adhesive part 30
- the control circuit can be switched to an open circuit state, so that the electric peeling adhesive part 30 is in a non-adhesive state, so that the housing 10 and the screen 20 can be separated from the electric peeling adhesive part 30, and then Realize the operation of dismantling the screen of the electronic device.
- the electronic device in the embodiment of the present application only needs to switch the on-off state of the control circuit when dismantling the screen, which not only simplifies the dismantling process, but also avoids the screen 20 and the housing 10 being heated. and damaged.
- the control circuit of the embodiment of the present application may also include a battery 40, a processor 50 and a switch module 60 , that is, the electronic device includes a battery 40, a processor 50 and a switch module 60, the battery 40, the switch module 60 and the electrical peeling adhesive part 30 are connected in series, the processor 50 is connected to the switch module 60, and the processor 50 is used to control the switch module 60, the switch module 60 is used to control the control circuit to switch between the open state and the open state.
- the switch module 60 can realize the on-off control of the control circuit.
- the control circuit When the switch module 60 is closed, the control circuit is in the open state, and the battery 40 can apply voltage to the electric glass bonding part; when the switch module 60 is disconnected, the control circuit is in an open circuit state.
- the processor 50 Since the processor 50 is used to control the opening and closing of the switch module 60 , the electronic device can switch the control circuit between the on state and the off state through the processor 50 .
- the processor 50 can control the switch module 60 to be disconnected. Apply voltage, so the screen 20 can be bonded to the housing 10 through the electric peeling adhesive part 30; The circuit is in the open state, and voltage is applied to both ends of the electrical peeling adhesive part 30 , so the screen 20 and the casing 10 can be separated from the electrical peeling adhesive part 30 , and the screen disassembly operation can be performed smoothly.
- the switch module 60 there are various types of the switch module 60, such as MOS transistors (ie metal-oxide-semiconductor field effect transistors), triodes, relays, power switches, etc., which are not limited in the embodiments of the present application.
- MOS transistors ie metal-oxide-semiconductor field effect transistors
- triodes ie metal-oxide-semiconductor field effect transistors
- relays ie metal-oxide-semiconductor field effect transistors
- power switches etc.
- the control circuit may further include a voltage regulation module 70 , which is used to adjust the actual voltage applied to both ends of the electro-peelable adhesive part 30 to the rated voltage of the electro-peelable adhesive part 30 .
- the two ends of the voltage regulation module 70 are respectively connected to the two ends of the electric peeling bonding part 30, so that the voltage at both ends of the electric peeling bonding part 30 can be adjusted, and the actual voltage can be adjusted to the rated voltage, thus
- the power supply voltage of the battery 40 is 3.4V-4.45V, which can be adjusted to a rated voltage of 5V of the electric peeling adhesive part 30 through the voltage regulation module 70 .
- the voltage at both ends of the electro-peelable adhesive part 30 is adjusted to the rated voltage, it is also ensured that the screen-disassembly operation of the electronic device can be realized under the best debonding effect of the electro-peelable adhesive part 30 .
- the voltage applied by the battery 40 to both ends of the electric peeling adhesive part 30 can be adjusted to the target rated voltage, For example, 5V, 12V, etc., so as to ensure that the electronic device of the embodiment of the present application can always make the electric peeling adhesive portion 30 work at the rated voltage when using different types of electric peeling adhesive portion 30, so as to achieve the best failure.
- the sticky effect is used to realize the operation of tearing down the screen of the electronic device. Therefore, the electronic device of the embodiment of the present application also has better adaptability.
- the voltage regulation module 70 may be of various types, such as a DC-DC voltage conversion module, a voltage amplification or reduction circuit, etc., which are not limited in the embodiment of the present application.
- the control circuit in the embodiment of the present application may also include a charging interface, that is, the electronic device includes a charging interface, and the control The circuit includes a first sub-circuit and a second sub-circuit, and the charging interface, the switch module 60 and the electric peeling adhesive part 30 are sequentially connected in series to form the first sub-circuit; the control circuit includes a first line L1 and a second line L2, and the first line L1 The first end of the first line L1 is connected between the positive pole of the switch module 60 and the charging interface, the second end of the first line L1 is electrically connected to the positive pole of the battery 40, the first end of the second line L2 is electrically connected to the negative pole of the battery 40, and the second end of the second line L2 is electrically connected to the negative pole of the battery 40.
- the second end of the second line L2 is connected between the negative electrode of the electrical peeling adhesive part 30 and the negative electrode of the charging interface, and the electrical peeling adhesive part 30, the switch module 60 and the battery 40 are serially connected in series to form a second sub-circuit.
- the charging interface is a peripheral interface of the electronic device, through which the electronic device can be electrically connected to a peripheral power source to supply power to the electronic device. Since the charging interface, the switch module 60 and the electro-peelable adhesive part 30 are sequentially connected in series to form the first sub-circuit, when the switch module 60 is closed, the first sub-circuit is in the open state, and at this time, the two parts of the electro-peelable adhesive part 30 In this case, even if the battery 40 of the electronic device fails or is low in power, the external power supply can still apply a voltage to the electric peeling adhesive part 30 to realize the screen removal operation.
- a charging chip ie, the charging IC in FIG. 5
- the electronic device only charges the battery 40 through the charging interface, but does not apply a voltage across the two ends of the electrical peeling adhesive portion 30 to perform screen tearing operation.
- the electrical peeling adhesive part 30, the switch module 60 and the battery 40 are sequentially connected in series to form a second sub-circuit, and the second sub-circuit can be realized by opening and closing the switch module 60.
- the circuit switches between the open state and the open state, and then changes the voltage applied to both ends of the electrical peeling adhesive part 30 to switch to the bonded state or the unbonded state.
- the electronic device can change the state of the electrical peeling adhesive portion 30 based on the second sub-circuit.
- peripheral power supply in the embodiment of the present application may be a charger, a socket, etc.
- the charging interface may be a Universal Serial Bus (Universal Serial Bus, USB) interface, a Lightning interface, a serial interface, and the like.
- USB Universal Serial Bus
- Lightning interface Lightning interface
- serial interface serial interface
- control circuit of the embodiment of the present application may also include an anti-reverse insertion switch 80 and/or an overvoltage protection module 90, an anti-reverse insertion switch 80 and/or an overvoltage protection module 90 is connected between the positive pole of the charging interface and the first end of the first line L1.
- the control circuit may only be provided with one of the anti-reverse insertion switch 80 and the overvoltage protection module 90 , or both may be provided at the same time.
- the anti-reverse insertion switch 80 can prevent the peripheral connector from being inserted reversely at the charging interface, so as to avoid the formation of backflow current in the control circuit and damage the circuit; the overvoltage protection module 90
- the anti-reverse insertion switch 80 and/or the overvoltage protection module 90 of the embodiment of the present application can protect the control circuit, thereby improving the safety performance of the electronic equipment.
- the housing 10 of the embodiment of the present application includes a bearing bracket, the bearing bracket has a first mounting surface and a second mounting surface opposite to each other, the first mounting surface is used for installing the screen 20, and the second mounting surface The surface is used for installing the main board; the bearing bracket can be a conductive structural member, the bearing bracket is grounded, and the electric peeling adhesive part 30 and the bearing bracket are connected in series in the control circuit.
- the bearing bracket is a conductive structural member, in the embodiment of the present application, the bearing bracket is electrically connected to the electrical peeling adhesive part 30, and the bearing bracket is connected in series with the electrical peeling adhesive part 30 as a part of the control circuit.
- the screen 20 is specifically bonded to the housing 10 through the electrical peeling adhesive part 30 on the first mounting surface of the supporting bracket; at the same time, the supporting bracket still has its basic functions: fixing and installing the main board, shielding interference, and dissipating heat. cooling, etc.
- the carrying bracket of the embodiment of the present application realizes multiplexing, expands its functionality, and further improves the integration degree inside the electronic device, and at the same time reduces the number of electrical connectors connected to the electrical peeling adhesive part 30 in the control circuit. To a certain extent, the internal structure of the electronic device is simplified, and the manufacturing cost is also reduced.
- the bearing bracket as a part of the control circuit is grounded, that is, the bearing bracket is the lowest point of potential in the entire control circuit (equivalent to the reference ground), so it can exist as the negative pole of the electrical peeling adhesive part 30 .
- the bearing bracket can be connected to the ground network on the casing 10 to achieve grounding.
- the screen 20 is usually not a conductive structure, so an electrical connector needs to be provided to electrically connect with the electro-peelable adhesive portion 30 on one side of the screen 20 .
- the inner surface of the screen 20 of the embodiment of the present application can be bonded with a conductive film 100, and the conductive film 100 and the electric peeling adhesive part 30 are connected in series in the control circuit.
- the conductive film 100 is bonded to the electrical peeling adhesive portion 30 ; when the control circuit is in a through state, the conductive film 100 and the electrical peeling adhesive portion 30 can be separated.
- connection relationship between the screen 20 and the electrical peeling adhesive portion 30 can be characterized by the connection relationship between the conductive film 100 and the electrical peeling adhesive portion 30; the conductive film 100 It has conductive properties, and the control circuit is connected to the electric peeling adhesive part 30 through the conductive film 100.
- the control circuit when the control circuit is in the open state, the control circuit can apply a voltage to both ends of the electric peeling adhesive part 30 based on the conductive film 100 , and then make the electric peeling adhesive part 30 separate from the conductive film 100 and the screen 20, so as to realize the operation of dismantling the screen; when the control circuit is in an open circuit state, there is no conduction between the conductive film 100 and the electric peeling adhesive part 30, so At this time, no voltage is applied to both ends of the electrical peeling adhesive part 30 , and they are in a bonded state. Therefore, the electrical peeling adhesive part 30 is connected to the screen 20 by bonding the conductive film 100 .
- the conductive film 100 has a layered structure, it is stacked with the electro-peelable adhesive part 30, so when the control circuit applies a voltage to both ends of the electro-peelable adhesive part 30, the electro-peelable adhesive
- the ions inside the part 30 are affected by a similarly strong electric field, and the distribution of the viscous region and the viscous region is more uniform when the state is switched.
- the embodiment of the present application does not limit the specific shape of the electrical connection between the control circuit and the electrical peeling adhesive portion 30 on the side of the screen 20 , and it may also be a block structure, a strip structure, or the like.
- the conductive film 100 of the embodiment of the present application can be made of metal foil material, specifically copper, aluminum, silver, iron and other conductive and energy-consuming metals. Of course, it can also be made of non-metallic materials such as graphite sheet and graphene. Made of conductive material.
- the electro-peelable adhesive part 30 of the embodiment of the present application may include a plurality of adhesive sub-parts, and the plurality of adhesive sub-parts are distributed between the screen 20 and the casing at intervals. 10, in a plurality of bonding branches, a gap G is formed between at least two adjacent bonding sub-parts, and an antenna and/or sensor is arranged in the gap G, and the antenna and/or sensor are positioned and installed between the screen 20 and the screen 20. Between the housing 10.
- the control short circuit when the control short circuit is in an open state, all the bonding sub-parts are in a bonded state, and the screen 20 is bonded to the housing 10 through all the bonding sub-parts.
- the bonding sub-parts are distributed in the space between the screen 20 and the housing 10, and since the bonding sub-parts are evenly distributed, a gap G can be formed between adjacent bonding sub-parts.
- the embodiment of the present application does not The way to limit the formation of the gap G, for example, two adjacent bonding sub-parts can form the gap G, and three adjacent bonding sub-parts can also form the gap G around.
- the gap G in the embodiment of the present application can be used as an installation space, and the antenna and/or sensor are arranged in the gap G.
- the antenna and/or sensor need to be positioned and installed between the screen 20 and the housing 10 to ensure installation reliability. Since the gap G can be used as an installation space for the antenna and/or the sensor, it is avoided to provide an installation groove on the housing 10 , which not only reduces the processing difficulty, but also simplifies the assembly process.
- the plurality of bonding sub-parts may be distributed in a dot matrix between the screen 20 and the housing 10 , so that the uniformity and stability of the connection between the screen 20 and the housing 10 can be effectively improved.
- the senor may include, but is not limited to, an electromagnetic wave absorption ratio (Specific Absorption Rate, SAR) sensor (that is, a synthetic aperture radar), a biological sensor, and the like.
- SAR Specific Absorption Rate
- the embodiment of the present application also discloses a control method for the electronic device, the control method including:
- the control circuit of the electronic device is in a disconnected state, the electrical peeling adhesive part is in a bonded state, and the screen and the housing are bonded and fitted through the electrical peeling adhesive part.
- a first input is input to the electronic device.
- the first input can be generated by actions such as click input, sliding input, touch input, etc., and the electronic device can receive the first input.
- the control circuit of the electronic device is switched from the open circuit state to the on state, and the electric peeling adhesive part is in the unbonded state, and the screen and the electric peeling adhesive part and the shell and the electric peeling adhesive part They can be separated, thereby realizing the operation of dismantling the screen of the electronic device.
- the operator can open the corresponding APP, application program or system settings, and click (or other input actions) to input as the first input of the screen removal instruction,
- the electronic device can control the control circuit to switch to the access state, thereby realizing the screen-disassembling operation of the electronic device.
- control device for electronic equipment, the control device includes:
- a receiving module configured to receive a first input
- the control module is used to control the control circuit to be in the ON state when the first input is the screen removal input.
- the embodiment of the present application also discloses an electronic device, which includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
- the program or instruction is executed by the processor, the control of the above-mentioned electronic device is realized.
- the steps of the method can achieve the same technical effect, so in order to avoid repetition, they are not repeated here.
- the electronic device disclosed in the embodiment of the present application may be a smart phone, a tablet computer, a notebook computer, a wearable device (such as a smart watch), etc., and the embodiment of the present application does not limit the specific type of the electronic device.
- Fig. 10 shows a schematic block diagram of a hardware structure for implementing an electronic device in various embodiments of the present application.
- the electronic device 1200 includes, but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, a user input unit 1207, an interface unit 1208, a memory 1209, a processor 1210, and Power supply 1211 and other components.
- a radio frequency unit 1201 includes, but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, a user input unit 1207, an interface unit 1208, a memory 1209, a processor 1210, and Power supply 1211 and other components.
- Those skilled in the art can understand that the structure of the electronic device shown in FIG. 10 does not constitute a limitation to the electronic device, and the electronic device may include more or less components than those shown in the illustration, or combine certain components, or have different Part placement.
- electronic devices include but are not limited to mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-
- the radio frequency unit 1201 can be used to receive and send signals during information sending and receiving or during a call. Specifically, the downlink data from the base station is received and processed by the processor 1210; Uplink data is sent to the base station.
- the radio frequency unit 1201 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 1201 can also communicate with the network and other devices through a wireless communication system.
- the electronic device 1200 provides users with wireless broadband Internet access through the network module 1202, such as helping users send and receive emails, browse web pages, and access streaming media.
- the audio output unit 1203 may convert audio data received by the radio frequency unit 1201 or the network module 1202 or stored in the memory 1209 into an audio signal and output as sound. Also, the audio output unit 1203 may also provide audio output related to a specific function performed by the electronic device 1200 (for example, a call signal reception sound, a message reception sound, etc.).
- the audio output unit 1203 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 1204 is used to receive audio or video signals.
- the input unit 1204 may include a graphics processing unit (Graphics Processing Unit, GPU) 12041 and a microphone 12042, and the graphics processing unit 12041 controls still pictures or video images obtained by an image capturing device (such as a camera) in video capture mode or image capture mode
- the data is processed.
- the processed image frames may be displayed on the display unit 1206 .
- the image frames processed by the graphics processor 12041 may be stored in the memory 1209 (or other storage medium) or sent via the radio frequency unit 1201 or the network module 1202 .
- the microphone 12042 can receive sound, and can process such sound into audio data.
- the processed audio data may be converted into an output format transmittable to a mobile communication base station via the radio frequency unit 1201 in case of a phone call mode.
- the electronic device 1200 also includes at least one sensor 1205, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 12061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 12061 and the / or backlighting.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the 1200 posture of electronic equipment (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, knocking), etc.; sensor 1205 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer , infrared sensor, etc., which will not be repeated here.
- the display unit 1206 is used to display information input by the user or information provided to the user.
- the display unit 1206 may include a display panel 12061, and the display panel 12061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like.
- LCD Liquid Crystal Display
- OLED Organic Light-Emitting Diode
- the user input unit 1207 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the electronic device 1200 .
- the user input unit 1207 includes a touch panel 12071 and other input devices 12072 .
- the touch panel 12071 also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 12071 or near the touch panel 12071 operate).
- the touch panel 12071 may include two parts, a touch detection device and a touch controller.
- the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the For the processor 1210, receive the command sent by the processor 1210 and execute it.
- the touch panel 12071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 1207 may also include other input devices 12072 .
- other input devices 12072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
- the touch panel 12071 can be covered on the display panel 12061, and when the touch panel 12071 detects a touch operation on or near it, it will be sent to the processor 1210 to determine the type of the touch event, and then the processor 1210 will The type of event provides a corresponding visual output on the display panel 12061.
- the touch panel 12071 and the display panel 12061 are used as two independent components to realize the input and output functions of the electronic device 1200, in some embodiments, the touch panel 12071 and the display panel 12061 can be combined The input and output functions of the electronic device 1200 are realized through integration, which is not specifically limited here.
- the interface unit 1208 is an interface for connecting an external device to the electronic device 1200 .
- an external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) ports, video I/O ports, headphone ports, and more.
- the interface unit 1208 can be used to receive input from an external device (for example, data information, power, etc.) transfer data between devices.
- the memory 1209 can be used to store software programs as well as various data.
- the memory 1209 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.);
- the electronic device 1200 uses created data (such as audio data, phonebook, etc.) and the like.
- the memory 1209 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.
- the processor 1210 is the control center of the electronic device 1200. It uses various interfaces and lines to connect various parts of the entire electronic device 1200. By running or executing software programs and/or modules stored in the memory 1209, and calling Execute various functions of the electronic device 1200 and process data, so as to monitor the electronic device 1200 as a whole.
- the processor 1210 may include one or more processing units; optionally, the processor 1210 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem processor
- the tuner processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 1210 .
- the foregoing processor 50 may be the processor 1210 , or may be a processing unit included in the processor 1210 .
- the processor 1210 is configured to execute the steps in the foregoing electronic device control method to achieve the same technical effect, and to avoid repetition, details are not repeated here.
- the electronic device 1200 may also include a power supply 1211 (such as a battery) for supplying power to various components.
- a power supply 1211 (such as a battery) for supplying power to various components.
- the power supply 1211 may be logically connected to the processor 1210 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
- the electronic device 1200 includes some functional modules not shown, which will not be repeated here.
- the embodiment of the present application also discloses a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the above-mentioned electronic device control method are realized, and the same technology can be achieved. Effect, in order to avoid repetition, will not repeat them here.
- the readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- the embodiment of the present application also discloses a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement any of the control methods for the above-mentioned electronic devices.
- the embodiment of the present application also discloses a computer program product, which is stored in a non-volatile storage medium, and the program product is configured to be executed by at least one processor to implement the steps of any of the above electronic device control methods.
- the embodiment of the present application also discloses a positioning device, the positioning device is configured to execute any of the above-mentioned control methods for electronic equipment.
- the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
- the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, eg, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims (12)
- 一种电子设备,包括壳体、屏幕和电剥离粘接部,所述电子设备包括控制电路,所述控制电路包括所述电剥离粘接部,其中:在所述控制电路处于断路状态时,所述电剥离粘接部处于粘接状态,且所述屏幕通过所述电剥离粘接部粘接在所述壳体上;在所述控制电路处于通路状态时,所述电剥离粘接部处于失粘状态,且所述屏幕与所述电剥离粘接部以及所述壳体与所述电剥离粘接部可分离。
- 根据权利要求1所述的电子设备,其中,所述控制电路还包括电池、处理器和开关模块,所述电池、所述开关模块和所述电剥离粘接部串联,所述处理器与所述开关模块相连,所述处理器用于控制所述开关模块的开闭,所述开关模块用于控制所述控制电路在所述断路状态和所述通路状态之间切换。
- 根据权利要求2所述的电子设备,其中,所述控制电路还包括电压调节模块,所述电压调节模块用于将施加于所述电剥离粘接部两端的实际电压调节至所述电剥离粘接部的额定电压。
- 根据权利要求2所述的电子设备,其中,所述控制电路还包括充电接口,所述控制电路包括第一子电路和第二子电路,所述充电接口、所述开关模块和所述电剥离粘接部依次串联形成所述第一子电路;所述控制电路包括第一线路和第二线路,所述第一线路的第一端连接在所述开关模块与所述充电接口的正极之间,所述第一线路的第二端与所述电池的正极电连接,所述第二线路的第一端与所述电池的负极电连接,所述第二线路的第二端连接在所述电剥离粘接部的负极与所述充电接口的负极之间,所述电剥离粘接部、所述开关模块和所述电池依次串联形成所述第二子电路。
- 根据权利要求4所述的电子设备,其中,所述控制电路还包括防反插开关和/或过压保护模块,所述防反插开关和/或所述过压保护模块连接在所述 充电接口的正极与所述第一线路的第一端之间。
- 根据权利要求1所述的电子设备,其中,所述壳体包括承载支架,所述承载支架具有相背设置的第一安装面和第二安装面,所述第一安装面用于安装所述屏幕,所述第二安装面用于安装主板;所述承载支架为导电结构件,所述承载支架接地,所述电剥离粘接部和所述承载支架串联在所述控制电路中。
- 根据权利要求1所述的电子设备,其中,所述屏幕的内侧表面粘接有导电膜,所述导电膜与所述电剥离粘接部串联在所述控制电路中,在所述控制电路处于断路状态时,所述导电膜与所述电剥离粘接部粘接;在所述控制电路处于通路状态时,所述导电膜与所述电剥离粘接部可分离。
- 根据权利要求1所述的电子设备,其中,所述电剥离粘接部包括多个粘接子部,所述多个粘接子部间隔分布于所述屏幕与所述壳体之间,在所述多个粘接子部中,至少两个相邻的所述粘接子部之间形成空隙,所述空隙内设置有天线和/或传感器,所述天线和/或传感器定位安装于所述屏幕与所述壳体之间。
- 一种电子设备的控制方法,所述电子设备为权利要求1至8中任一项所述的电子设备,所述控制方法包括:接收第一输入;在所述第一输入为屏幕拆卸输入时,控制所述控制电路处于通路状态。
- 一种电子设备的控制装置,所述电子设备为权利要求1至8中任一项所述的电子设备,所述控制装置包括:接收模块,用于接收第一输入;控制模块,用于在所述第一输入为屏幕拆卸输入时,控制所述控制电路处于通路状态。
- 一种电子设备,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现 权利要求9所述的电子设备的控制方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求9所述的电子设备的控制方法的步骤。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110726023.0 | 2021-06-29 | ||
| CN202110726023.0A CN113448394B (zh) | 2021-06-29 | 2021-06-29 | 电子设备及其控制方法、控制装置和可读存储介质 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023274115A1 true WO2023274115A1 (zh) | 2023-01-05 |
Family
ID=77813902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2022/101417 Ceased WO2023274115A1 (zh) | 2021-06-29 | 2022-06-27 | 电子设备及其控制方法、控制装置和可读存储介质 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113448394B (zh) |
| WO (1) | WO2023274115A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448394B (zh) * | 2021-06-29 | 2025-06-17 | 维沃移动通信有限公司 | 电子设备及其控制方法、控制装置和可读存储介质 |
| WO2026034763A1 (ko) * | 2024-08-09 | 2026-02-12 | 삼성전자 주식회사 | 접착 구조 및 이를 포함하는 전자 장치 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070269659A1 (en) * | 2006-05-17 | 2007-11-22 | Eic Laboratories, Inc. | Electrically disbondable compositions and related methods |
| CN107077166A (zh) * | 2014-09-30 | 2017-08-18 | 微软技术许可有限责任公司 | 计算设备绑定组装件 |
| CN107800881A (zh) * | 2017-10-27 | 2018-03-13 | 广东欧珀移动通信有限公司 | 移动终端以及移动终端保护方法 |
| CN209412129U (zh) * | 2018-12-29 | 2019-09-20 | 络派科技(深圳)有限公司 | 用于电子设备的可加热剥离的粘接结构 |
| US20200195025A1 (en) * | 2018-12-17 | 2020-06-18 | Microsoft Technology Licensing, Llc | Electrical battery de-bonding |
| CN113448394A (zh) * | 2021-06-29 | 2021-09-28 | 维沃移动通信有限公司 | 电子设备及其控制方法、控制装置和可读存储介质 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002041231A (ja) * | 2000-05-17 | 2002-02-08 | Hitachi Ltd | 画面入力型表示装置 |
| US20080166006A1 (en) * | 2007-01-06 | 2008-07-10 | Apple Inc | Light diffuser |
| CN101242721A (zh) * | 2007-02-08 | 2008-08-13 | 佛山市顺德区顺达电脑厂有限公司 | 可携式电子装置 |
| KR101717107B1 (ko) * | 2010-08-13 | 2017-03-16 | 엘지전자 주식회사 | 휴대 단말기 및 그의 디스플레이 모듈 |
| CN103279249A (zh) * | 2013-06-09 | 2013-09-04 | 格林精密部件(惠州)有限公司 | 一种机壳整合式的电容触控屏 |
| CN103779653A (zh) * | 2013-11-18 | 2014-05-07 | 深圳市九思泰达技术有限公司 | 一种nfc天线及装置 |
| CN105116984B (zh) * | 2015-07-17 | 2019-04-30 | 英特尔公司 | 平板装置以及平板装置操作方法 |
| CN108539386B (zh) * | 2017-03-01 | 2020-02-21 | 华为技术有限公司 | 一种天线结构及无线终端 |
| CN109870837B (zh) * | 2017-12-05 | 2021-10-15 | 华为终端有限公司 | 显示组件、显示器、终端及显示器拆卸方法 |
| CN109992143A (zh) * | 2017-12-29 | 2019-07-09 | 南昌欧菲显示科技有限公司 | 触控屏及其制造方法、触控显示装置和电子装置 |
| CN207817739U (zh) * | 2018-02-11 | 2018-09-04 | 印象认知(北京)科技有限公司 | 一种屏下指纹采集装置及电子设备 |
| KR102405258B1 (ko) * | 2018-02-14 | 2022-06-03 | 삼성디스플레이 주식회사 | 표시 장치 |
| CN109618031B (zh) * | 2018-12-25 | 2020-06-12 | Oppo广东移动通信有限公司 | 电子装置及其控制方法 |
| CN112346514B (zh) * | 2019-08-09 | 2024-08-27 | Oppo广东移动通信有限公司 | 屏幕模组、显示模组以及终端设备 |
| CN111546943A (zh) * | 2020-02-10 | 2020-08-18 | 朱雪东 | 动力电池动态离合单元 |
| CN212257667U (zh) * | 2020-06-12 | 2020-12-29 | 福建新大陆支付技术有限公司 | 一种屏下设置天线的屏幕模组 |
-
2021
- 2021-06-29 CN CN202110726023.0A patent/CN113448394B/zh active Active
-
2022
- 2022-06-27 WO PCT/CN2022/101417 patent/WO2023274115A1/zh not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070269659A1 (en) * | 2006-05-17 | 2007-11-22 | Eic Laboratories, Inc. | Electrically disbondable compositions and related methods |
| CN107077166A (zh) * | 2014-09-30 | 2017-08-18 | 微软技术许可有限责任公司 | 计算设备绑定组装件 |
| CN107800881A (zh) * | 2017-10-27 | 2018-03-13 | 广东欧珀移动通信有限公司 | 移动终端以及移动终端保护方法 |
| US20200195025A1 (en) * | 2018-12-17 | 2020-06-18 | Microsoft Technology Licensing, Llc | Electrical battery de-bonding |
| CN209412129U (zh) * | 2018-12-29 | 2019-09-20 | 络派科技(深圳)有限公司 | 用于电子设备的可加热剥离的粘接结构 |
| CN113448394A (zh) * | 2021-06-29 | 2021-09-28 | 维沃移动通信有限公司 | 电子设备及其控制方法、控制装置和可读存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113448394A (zh) | 2021-09-28 |
| CN113448394B (zh) | 2025-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3379646B1 (en) | Electronic device comprising antenna | |
| EP3930138B1 (en) | Charging control circuit, terminal device and control method | |
| WO2019039838A1 (en) | ELECTRONIC DEVICE COMPRISING AN ANTENNA | |
| CN210899362U (zh) | 摄像头模组及电子设备 | |
| WO2016089186A1 (en) | Hybrid touch-based electronic device and method for controlling the same | |
| WO2019045495A1 (ko) | 디스플레이 패널의 구성을 이용한 안테나를 포함하는 전자 장치 | |
| EP3569044A1 (en) | Electronic device | |
| CN111613854A (zh) | 电池及其控制方法和电子设备 | |
| CN111338203B (zh) | 一种电子设备及控制方法 | |
| CN108696688A (zh) | 一种摄像头、终端及拍摄方法 | |
| CN111026235A (zh) | 一种电子设备及电子设备控制方法 | |
| WO2019103343A1 (en) | Electronic device and method including elastic member for preventing/reducing performance degradation of pressure sensor | |
| WO2017090936A1 (ko) | 안테나 장치 및 그것을 포함하는 전자 장치 | |
| US12160114B2 (en) | Terminal and wireless charging control method | |
| WO2023274115A1 (zh) | 电子设备及其控制方法、控制装置和可读存储介质 | |
| JP7558288B2 (ja) | 電子機器 | |
| CN111526273A (zh) | 摄像头模组、电子设备、拍摄控制方法和控制装置 | |
| CN108282000A (zh) | 无线充电方法、无线发射器、无线充电接收端及适配器 | |
| CN111240451A (zh) | 散热方法、电子设备及计算机可读存储介质 | |
| CN109038863B (zh) | 电子设备 | |
| CN107195823A (zh) | 易拉胶,电池组件,外壳组件及电子设备 | |
| CN111352559B (zh) | 一种电子设备及控制方法 | |
| US10997109B2 (en) | Device with USB port | |
| CN109151143B (zh) | 一种异物检测结构、方法及移动终端 | |
| WO2015141974A1 (en) | Input device for detecting external input |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22831929 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 22831929 Country of ref document: EP Kind code of ref document: A1 |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 10.06.2024) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 22831929 Country of ref document: EP Kind code of ref document: A1 |