JP6637757B2 - Eye accommodation function support system - Google Patents

Description

The present invention relates to a system for supporting the regulatory function of the eye.

  The eye adjustment function is a function of focusing on an object existing at a desired distance, and is realized by appropriately changing the thickness of the crystalline lens by the ciliary muscle. Regulatory function declines with age and lifestyle. For example, when the lens loses its elasticity due to aging, the accommodation power is weakened, and it becomes impossible to focus close (presbyopia). In addition, there is a problem that, even in young people, if the ciliary muscles are continuously strained by using the mobile terminal for a long time, muscle pain and stiffness occur, causing a deterioration in the adjustment function.

  Meanwhile, devices for supporting the adjustment function are also being developed. For example, glasses, contact lenses, and intraocular lenses provided with variable focus lenses having various structures are known (for example, see Patent Documents 1 to 6).

JP-T-2013-54049 JP 2014-500981 A JP 2011-39549 A JP 2012-133106 A U.S. Pat. No. 5,182,585 JP-T-2012-53127A

  The object to be focused generally changes depending on the operation intended by the user. However, according to the conventional technology, it has been difficult to focus automatically and quickly according to the operation intended by the user. For example, it has been difficult with the conventional technology to change the focus in accordance with an operation such as start or end of use of a mobile terminal.

The purpose of the system according to the present invention is to reduce the burden on the adjusted by varying the automatic and rapid focusing in accordance with the operation intended by the user.

  An eye accommodation function support system according to an embodiment includes an eye accommodation function support device applied to a user to support an eye accommodation function, and an electronic device that transmits a signal for controlling the eye accommodation function support device. .

  The eye accommodation function support device includes a refractive power variable element, an actuator, a control unit, and a first communication unit. The refractive power variable element is arranged outside or inside the eye, and at least a part of the refractive power is configured to be variable. The actuator drives the refractive power variable element to change the refractive power. The control unit controls the actuator.

The electronic device includes a data acquisition unit, a control information generation unit, and a second communication unit. The data acquisition unit acquires data related to the usage status of the electronic device. The control information generation unit generates control information based on the acquired data. The data acquisition unit includes a detection unit that detects data indicating a state of the electronic device. The control information generation unit generates the control information based on the data detected by the detection unit. The second communication unit transmits the generated control information.

  The first communication unit of the eye accommodation function support device receives the control information transmitted from the second communication unit of the electronic device. The control unit controls the actuator based on the received control information.

  According to the embodiment, the focus can be automatically and quickly changed according to the operation intended by the user, and the burden on the adjustment can be reduced.

The schematic diagram showing an example of the composition of the eye accommodation function support system concerning an embodiment. The schematic diagram showing an example of the composition of the eye accommodation function support system concerning an embodiment. FIG. 4 is a sequence diagram illustrating an example of an operation of the eye accommodation function support system according to the embodiment.

  Some embodiments of the present invention will be described in detail with reference to the drawings. The eye accommodation function support system of the embodiment includes an eye accommodation function support device and an electronic device. The eye accommodation function support device is applied to a user to assist the eye accommodation function. The electronic device generates and transmits a signal for controlling the eye accommodation function support device.

  1 and 2 show a configuration example of the eye accommodation function support system. FIG. 1 shows an example of the overall configuration of the system. FIG. 2 illustrates a configuration example of a data acquisition unit included in an electronic device of the system. Although the data acquisition unit illustrated in FIG. 2 includes a plurality of elements, a data acquisition unit including only some of these elements can be applied. Further, a data acquisition unit having a configuration different from that of FIG. 2 can be applied. The configurations shown in FIGS. 1 and 2 are merely typical examples, and do not limit the present invention. Further, some or all of the various configurations and operations described below can be arbitrarily combined.

  The eye adjustment function support system 1 includes an eye adjustment function support device 100 and an electronic device 200. The eye adjustment function support device 100 and the electronic device 200 can communicate with each other. This communication includes at least transmission of a signal by the electronic device 200 and reception of a signal by the eye adjustment function supporting device 100. However, the reverse communication may be further included (that is, two-way communication may be possible). Communication between the eye adjustment function support device 100 and the electronic device 200 may conform to any communication standard, and may be wire communication or wireless communication. The communication method may be indirect communication via another device, or may be direct communication between the eye adjustment function supporting device 100 and the electronic device 200.

  The number of electronic devices 200 included in the eye adjustment function support system 1 is arbitrary, and is not limited to one. When two or more electronic devices are provided, for example, identification information (device ID) is assigned to each electronic device. In this case, the signal transmitted from each electronic device includes the device ID. The eye adjustment function support device 100 operates according to the device ID included in the received signal.

  Further, the number of the eye adjustment function support devices 100 included in the eye adjustment function support system 1 may be arbitrary. For example, an eye adjustment function support device may be provided for each of the left eye and the right eye of a single user. In this case, the left and right eye accommodation function support appliances are controlled in conjunction.

  As another example, two or more users may each use one or more eye accommodation function support devices. In this case, for example, identification information (user ID) is assigned to the eye accommodation function support device of each user. When the electronic device is for personal use, the electronic device and the eye accommodation function support device are associated in advance. On the other hand, an electronic device such as a television may be used by two or more users. In that case, the electronic device has a function of identifying a user using the device or a user who has performed an operation for using the device. For example, the electronic device can identify the user by using known techniques such as input of identification information such as a user ID and a password, and biometric authentication (face authentication, fingerprint authentication, iris authentication, and the like). The electronic device transmits a signal including the user ID. The eye accommodation function support device that receives this signal collates the user ID included in the signal with the user ID assigned to itself, and executes an operation according to the signal when they match.

<Eye accommodation function support device 100>
The eye adjustment function support device 100 is applied to a user to support an eye adjustment function. Examples of the eye adjustment function support device 100 include a vision correction device (glasses, contact lenses, and the like), an intraocular lens, a wearable device, and the like. As shown in FIG. 1, the eye accommodation function support device 100 includes a control unit 110, a refractive power variable element 120, an actuator 130, and a communication unit 140.

<Control unit 110>
The control unit 110 controls each unit of the eye accommodation function support device 100. The control executed by the control unit 110 will be described later. The control unit 110 includes a processor (and control software).

  In this specification, a “processor” is, for example, a CPU (Central Processing Unit), a GPU (Graphics Processing Unit), an ASIC (Application Specific Integrated Circuit), a programmable logic device (for example, an SPLD (Simple Graphical Programmable Programmable Programmable Logic), and a programmable logic device (for example, an SPLD (Simple Graphical Programmable Programmable Logic)). It means a circuit such as a programmable logic device (FPGA) or a field programmable gate array (FPGA). The processor realizes the functions according to the embodiment by, for example, reading and executing a program stored in a storage circuit or a storage device.

<Refractive power variable element 120>
The refractive power variable element 120 is an optical element in which at least a part of the refractive power is variable. The variable power element 120 (at least a portion thereof) is located outside or inside the eye. The refractive power variable element 120 may be, for example, a spectacle lens, a contact lens, a lens portion of an intraocular lens, a lens in a wearable device, or the like. The material and structure of the variable refractive power element 120 are arbitrary as long as at least part of the variable refractive power is variable. For example, the variable refractive power element 120 may have the configuration described in any of the above cited documents, or may have another known configuration. The variable power element 120 is not limited to a single focus lens, and may be a progressive lens or a multifocal lens, for example.

<Actuator 130>
The actuator 130 drives the refractive power variable element 120 to change the refractive power. The driving method of the refractive power variable element 120 by the actuator 130 is arbitrary. The driving method may use a physical principle and / or a chemical principle. The actuator 130 may have the configuration described in any of the above cited documents, or may have another known configuration.

  The configuration of the actuator 130 is determined according to the configuration of the refractive power variable element 120. Alternatively, the configuration of the variable power element 120 is determined according to the configuration of the actuator 130. Examples of phenomena, principles, technologies, and the like that can be applied to configure the variable refractive power element 120 and the actuator 130 include electric, magnetic, heat, fluid (liquid, gas, etc.), pressure, expansion / contraction, elasticity, liquid crystal, Gel, electrowetting, etc.

  In the first example, the refractive power variable element 120 is a fluid lens filled with a fluid that expands by heating and contracts by cooling, and the actuator 130 includes a configuration that heats and / or cools the fluid lens. In the second example, the refractive power variable element 120 is an optical element whose refractive index changes by applying a voltage to the liquid crystal, and the actuator 130 includes a circuit that applies a voltage to the optical element. In the third example, the variable refractive power element 120 includes a chamber filled with a first fluid (such as an aqueous solution) that is a conductor and a second fluid (such as oil) that is an insulator. A circuit for applying a voltage to the first fluid to change a curvature (angle) of an interface between the fluid and the second fluid. The combination of the variable power element 120 and the actuator 130 is not limited to these examples.

<Communication unit 140>
The communication unit 140 has at least a function of receiving a signal. The communication unit 140 may have a function of transmitting a signal. Communication unit 140 includes a communication interface conforming to a standard applied to communication with electronic device 200.

<Electronic equipment 200>
The electronic device 200 generates and transmits a signal for controlling the eye adjustment function support device 100. Examples of the electronic device 200 include mobile electronic devices such as a smartphone, a mobile phone, a tablet terminal, an electronic book, a notebook computer, and a wearable terminal (such as a smart watch). Other examples of the electronic device 200 include a smart home appliance as follows: a television, a washing machine, an air conditioner, a microwave, a rice cooker, a humidifier, an air purifier, a refrigerator, an electromagnetic cooker, an audio device, and a digital camera. , Digital video camera, vacuum cleaner, scale, activity meter, sphygmomanometer etc.

  Further, the electronic device 200 may include an electronic device used at the workplace of the user. As specific examples, there are office multifunction printers (multifunction printers) and office equipment such as computers and projectors. Furthermore, various medical devices, various manufacturing devices, various processing devices, various transport devices, and the like are also examples of the electronic device 200. Note that the electronic device 200 is not limited to those exemplified above.

  As shown in FIG. 1, the electronic device 200 includes a control unit 210, a data acquisition unit 220, a control information generation unit 230, and a communication unit 240.

<Control unit 210>
The control section 210 controls each section of the electronic device 200. The control executed by the control unit 210 will be described later. The control unit 210 includes a processor (and control software).

<Data acquisition unit 220>
The data acquisition unit 220 acquires data related to the usage status of the electronic device 200. The usage status refers to, for example, a status of the electronic device 200, a user, or a target other than those related to use of the electronic device 200. Examples of usage situations include the following situations: a user starting or ending use of electronic device 200; a user starting or ending use of a function of electronic device 200; state (posture) of electronic device 200 , Moving speed, distance to the user, etc.); the user staring at the electronic device 200; the user moving toward / away from the electronic device 200; the user making a voice; That the user uses the device. The use situation is not limited to these.

  The method by which the data acquisition unit 220 acquires data is arbitrary. For example, acquiring data based on an operation input performed by the user on the electronic device 200, acquiring data by detecting the state of the user (gaze direction, face direction, etc.), It is possible to acquire data by detecting the physical state (posture, moving speed, distance to the user, etc.) of the user. FIG. 2 shows an example of the configuration of the data acquisition unit 220 that can execute these typical data acquisition methods.

  The data acquisition unit 220 illustrated in FIG. 2 includes a user interface (UI) 221, a user detection unit 222, and a state detection unit 223. The user interface 221 is used in data acquisition based on an operation input. The user detection unit 222 is used in data acquisition based on detection of the state of the user. The state detection unit 223 is used in data acquisition based on detection of the state of the electronic device 200.

  Note that the data acquisition unit 220 may have a configuration including at least one of a user interface (UI) 221, a user detection unit 222, and a state detection unit 223. Alternatively, the data acquisition unit 220 may be configured to acquire data using other elements.

<User interface 221>
The user interface 221 includes, for example, a display device and an operation device (input device). The display device displays information under the control of the control unit 210. The operation device is used for inputting information, operations and instructions. The user interface 221 may include a device in which a display function and an operation function are integrated, such as a touch panel, for example. The control unit 210 can display a graphical user interface for displaying and inputting information on the display device.

  At least a part of the user interface 221 may be provided outside the electronic device 200. For example, an operation device (such as a remote controller) configured as an attachment of the electronic device 200 can be used. As another example, when the electronic device 200 is a smartphone or a tablet terminal, a smartwatch can be used as the user interface 221 of the electronic device 200.

  The user can use the user interface 221 to perform an operation for turning on the power of the electronic device 200 and an operation for turning on a predetermined function. Further, the user can perform an operation for turning off the power of the electronic device and an operation for turning off a predetermined function. Turning on / off the power is performed by, for example, pressing a power button of the electronic device 200 or touching a touch panel. The predetermined function is turned on / off by, for example, pressing a hardware key or touching a software key (icon, button, or the like).

<User detection unit 222>
The user detection unit 222 detects a state of the user. For example, the user detecting unit 222 detects that the user starts using the electronic device 200 or ends using the electronic device 200. The user detection unit 222 illustrated in FIG. 2 includes an imaging unit 2221 and an analysis unit 2222 in order to detect a user's line of sight and / or face direction. Generally, when the use of the electronic device 200 is started, the user's eyes and face are directed to the electronic device 200. Conversely, when the use of the electronic device 200 is terminated, the user's line of sight and face direction move away from the electronic device 200. The user detection unit 222 detects such an operation (phenomenon).

<Photographing unit 2221>
The imaging unit 2221 includes a digital camera. This digital camera is a still camera for taking a still image or a video camera for taking a moving image. When a still camera is applied, for example, the control unit 210 controls the still camera so as to capture a still image at predetermined time intervals. The image acquired by the imaging unit 2221 is sent to the analysis unit 2222 (for example, via the control unit 210).

<Analyzing unit 2222>
The analysis unit 2222 analyzes the image obtained by the imaging unit 2221 and specifies the user's gaze direction or face direction. The analysis unit 2222 obtains a characteristic region in the image by performing, for example, pixel value analysis or pattern analysis. The characteristic region specifies, for example, a region corresponding to an eye (or a region corresponding to an eye part such as a pupil) or a region corresponding to a face. Further, the analysis unit 2222 determines whether the feature region is suitable for the imaging unit 2221 (that is, the electronic device 200). This process is performed, for example, by comparison with a template stored in advance. Note that such image processing is known, and other known image processing can also be applied. The analysis unit 2222 includes a processor (and software) that executes such image processing.

<State detection unit 223>
The state detection unit 223 detects data indicating the state of the electronic device 200. As described above, the data representing the state of the electronic device 200 includes, for example, one of the posture (tilt), the moving speed, and the distance to the user. The state detecting unit 223 shown in FIG. 2 includes a posture detecting unit 2231 for detecting a posture, a moving speed detecting unit 2232 for detecting a moving speed, and a distance detecting unit 2233 for detecting a distance to a user. including. The state detection unit 223 may have a configuration including any one or more of these, or may include an element for detecting other data.

<Attitude detector 2231>
The posture detection unit 2231 has a known configuration for detecting the inclination of the electronic device 200. For example, the posture detection unit 2231 may include a gyro sensor and an acceleration sensor, and a processor (and software) that calculates the inclination of the electronic device 200 based on the output from these sensors.

<Speed detector 2232>
The speed detecting unit 2232 has a known configuration for detecting the moving speed of the electronic device 200. For example, the speed detection unit 2232 includes an acceleration sensor and the like. Alternatively, the speed detection unit 2232 may include a satellite positioning system such as a GPS or a positioning system using a ground station, and a processor (and software) that obtains a moving speed from a temporal change in the position of the electronic device 200.

<Distance detector 2233>
The distance detection unit 2233 detects the distance to the user's face or eyes or to the eye adjustment function support device 100 using a known technique. For example, the distance detection unit 2233 includes a laser distance sensor or an LED distance sensor of a triangulation or time-of-flight method.

  Alternatively, the distance detection unit 2233 includes a camera similar to the imaging unit 2221 (which may be common to the imaging unit 2221), and a processor (and software) that analyzes an image obtained by the camera and calculates a distance. You may go out. This processor can calculate the distance to the user based on, for example, the size of the user's face and characteristic parts depicted in the image and the distance between two or more characteristic points. In addition, when at least a part of the eye adjustment function assisting device 100 is exposed, the processor determines the size of the eye adjustment function assisting device 100 or its characteristic portion depicted in the image, and two or more characteristic points (markers, left and right The distance to the user can be calculated based on the distance between the lens and the like.

<Control information generator 230>
The control information generation unit 230 generates information (control information) for controlling the eye adjustment function support device 100 based on the data acquired by the data acquisition unit 220. The control information includes the data obtained by the data obtaining unit 220 and / or information obtained by processing the data.

  When an operation input is performed using the user interface 221, the control information generation unit 230 generates control information based on the content of the operation input. For example, when an operation for turning on the power is performed, the control information generating unit 230 can generate control information including predetermined information corresponding to turning on the power.

  When the data indicating the user's line-of-sight direction or face direction is acquired by the user detection unit 222, the control information generation unit 230 generates control information based on this data. As a specific example, when the user detection unit 222 detects that the user's line of sight or the like has transitioned from a state in which the user does not face the electronic device 200 to a state in which the user faces the electronic device 200, the control information generation unit 230 notifies Control information including information indicating the start of use of the electronic device 200. Conversely, when the user detection unit 222 detects that the user's line of sight or the like has transitioned from a state facing the electronic device 200 to a state not facing the electronic device 200, the control information generation unit 230 indicates that fact. Control information including information or information indicating the end of use of the electronic device 200 is generated.

  When data indicating the state of the electronic device 200 is acquired by the state detection unit 223, the control information generation unit 230 generates control information based on the data.

  For example, when data indicating the attitude of the electronic device 200 is acquired by the attitude detection unit 2231, the control information generation unit 230 generates control information including the data or information obtained by processing the data. As a specific example, the output from the posture detection unit 2231 indicates that a transition from a state where the inclination of the electronic device 200 with respect to the horizontal is small (a state where the inclination is equal to or less than a predetermined threshold) to a state where the inclination is large (a state where the inclination exceeds a predetermined threshold). Is detected based on the electronic device 200, the control information generating unit 230 can generate control information including information indicating that the inclination of the electronic device 200 has increased or information indicating that use of the electronic device 200 has started. Conversely, a transition from a state where the inclination of the electronic device 200 with respect to the horizontal is large (a state where the inclination exceeds a predetermined threshold) to a state where the inclination is small (a state where the inclination is equal to or less than a predetermined threshold) is included in the output from the posture detection unit 2231. If the electronic device 200 is detected based on the information, the control information generation unit 230 can generate control information including information indicating that the inclination of the electronic device 200 has decreased or information indicating that the use of the electronic device 200 has ended.

  When data indicating the moving speed of the electronic device 200 is acquired by the moving speed detecting unit 2232, the control information generating unit 230 generates control information including the data or information obtained by processing the data. As a specific example, when the moving speed of the electronic device 200 is high (when the detected speed exceeds a predetermined threshold), the control information generation unit 230 generates control information including the detection data or information indicating that use of the electronic device 200 is prohibited. Can be generated. Conversely, when the moving speed of the electronic device 200 is low (when the detected speed is equal to or less than the predetermined threshold), the control information generation unit 230 generates control information including the detection data or information indicating permission to use the electronic device 200. Can be generated. The transition of the electronic device 200 from a state where the moving speed is low (a state where the detected speed is equal to or lower than a predetermined threshold) to a state where the moving speed is high (a state where the detected speed exceeds a predetermined threshold) is detected. When the detection is performed based on the output from the unit 2232, the control information generation unit 230 indicates information indicating that the moving speed of the electronic device 200 (that is, the moving speed of the user) has increased, or indicates the end of use of the electronic device 200. Control information including information can be generated. Conversely, a transition from a state where the moving speed of the electronic device 200 is high (a state where the detected speed exceeds the predetermined threshold) to a state where the moving speed is low (a state where the detected speed is equal to or lower than the predetermined threshold) is the moving speed. When the detection is performed based on the output from the detection unit 2232, the control information generation unit 230 issues information indicating that the moving speed of the electronic device 200 (that is, the moving speed of the user) has decreased or permission to use the electronic device 200. Control information including the indicated information can be generated.

  When the data indicating the distance to the user is acquired by the distance detection unit 2233, the control information generation unit 230 generates control information including this data or information obtained by processing the data. As a specific example, when the distance to the user is large (when the detected distance exceeds a predetermined threshold), the control information generation unit 230 generates control information including this detection data or information indicating that the electronic device 200 is not used. can do. Conversely, when the distance to the user is small (when the detected distance is equal to or less than the predetermined threshold), the control information generation unit 230 generates control information including this detection data or information indicating the start of use of the electronic device 200. can do. Also, the state transition from the short distance to the user (the state where the detected distance is equal to or less than the predetermined threshold) to the large distance (the state where the detected distance exceeds the predetermined threshold) is detected by the distance detection unit 2233. When the detection is performed based on the output, the control information generation unit 230 can generate control information including information indicating that the distance to the user has increased or information indicating that the use of the electronic device 200 has ended. Conversely, the distance detection unit 2233 indicates that a transition from a state where the distance to the user is large (a state where the detected distance exceeds a predetermined threshold) to a state where the distance is small (a state where the detected distance is equal to or less than a predetermined threshold) is performed. Is detected based on the output of the electronic device 200, the control information generation unit 230 can generate control information including information indicating that the distance to the user has decreased or information indicating that use of the electronic device 200 has started.

  Note that, based on a change in the intensity (light amount) of light detected by a camera (or an optical sensor) similar to that of the image capturing unit 2221, the start and end of use of the electronic device 200 are detected, and control information based thereon is generated. It may be.

  When data is obtained by any two or more of the elements of the data acquisition unit 220 shown in FIG. 2, the control information generation unit 230 performs control by combining these data (and / or information obtained by processing them). Information can be generated. For example, when power-on is detected from an operation input using the user interface 221 and the distance is detected by the distance detection unit 2233, the control information generation unit 230 transmits the information indicating power-on and the distance (or the refraction corresponding thereto). ) Can be generated.

  When data is obtained by any two or more of the elements of the data acquisition unit 220, the control information generation unit 230 determines the priority assigned to the data (and / or the information obtained by processing the data). , Control information can be generated.

  The method of generating control information is not limited to the above example. The processing executed by the control information generation unit 230 can be arbitrarily selected according to the type of data acquired by the data acquisition unit 220 and the like.

  When the electronic device 200 stores the device ID, the control information generation unit 230 generates control information including the data acquired by the data acquisition unit 220 or information obtained by processing the data, and the device ID. can do.

<Communication unit 240>
The communication unit 240 has at least a function of transmitting a signal. The communication unit 240 may have a function of receiving a signal. The communication unit 240 includes a communication interface that conforms to a standard applied to communication with the eye accommodation function support device 100.

<motion>
Some operation examples of the eye accommodation function support system 1 according to the embodiment will be described. In the following example, the electronic device 200 is a portable electronic device.

<Typical operation example>
(S1: The electronic device receives a use start operation)
First, the user uses the user interface 221 to perform an operation for starting use of the electronic device 200. This operation is, for example, an operation for turning on the power or an operation for turning on a predetermined function.

(S2: Electronic device generates control information)
The control information generation unit 230 generates control information according to the use start operation performed in step S1. The control information includes, for example, information indicating that a use start operation has been performed, or information indicating switching to near refractive power. Such information is called on operation information.

(S3: Electronic device transmits control information)
The control unit 210 sends the control information generated in step S2 to the communication unit 240. The communication unit 240 transmits this control information.

(S4: The eye accommodation function support device receives the control information)
The communication unit 140 of the eye accommodation function support device 100 receives the control information transmitted from the electronic device 200 in step S3. The received control information is sent to control section 110.

(S5: The eye accommodation function support device switches to near refractive power)
The control unit 110 controls the actuator 130 to change the refractive power of the refractive power variable element 120 to a predetermined near refractive power based on the ON operation information included in the control information received in step S4. Thereby, the user can easily visually recognize the screen and the like of the electronic device 200 which is the portable electronic device.

(S6: User uses electronic device)
The user performs a desired process or operation using the electronic device 200.

(S7: The electronic device receives a use termination operation)
When the use of the electronic device 200 is completed, the user performs an operation for ending the use of the electronic device 200 using the user interface 221. This operation is, for example, an operation for turning off the power or an operation for turning off a predetermined function.

(S8: Electronic device generates control information)
The control information generation unit 230 generates control information according to the use end operation performed in step S7. The control information includes, for example, information indicating that a use end operation has been performed, or information indicating switching to a long-range refractive power. Such information is called off operation information.

(S9: Electronic device transmits control information)
The control unit 210 sends the control information generated in step S8 to the communication unit 240. The communication unit 240 transmits this control information.

(S10: Eye accommodation function support appliance receives control information)
The communication unit 140 of the eye accommodation function support device 100 receives the control information transmitted from the electronic device 200 in step S9. The received control information is sent to control section 110.

(S11: Eye accommodation function support device switches to distance refractive power)
The control unit 110 controls the actuator 130 to change the refractive power of the refractive power variable element 120 to a predetermined distance refractive power based on the off operation information included in the control information received in step S10. Thereby, the user can easily visually recognize the surrounding environment.

<Other operation examples>
When data indicating the attitude of the electronic device 200 is acquired by the attitude detection unit 2231, the control information generation unit 230 generates control information including this data or information obtained by processing the data. The communication unit 240 transmits this control information. The communication unit 140 of the eye accommodation function support device 100 receives this control information. The control unit 110 controls the actuator 130 based on the information on the posture included in the control information. For example, when the electronic device 200 transitions from a small inclination state to a large inclination state, the refractive power of the variable power element 120 is changed to a predetermined near refractive power. Conversely, when the electronic device 200 transitions from a large inclination state to a small inclination state, the refractive power of the variable power element 120 is changed to a predetermined distance refractive power.

  When data indicating the moving speed of the electronic device 200 is acquired by the moving speed detecting unit 2232, the control information generating unit 230 generates control information including the data or information obtained by processing the data. The communication unit 240 transmits this control information. The communication unit 140 of the eye accommodation function support device 100 receives this control information. The control unit 110 controls the actuator 130 based on the information on the moving speed included in the control information. For example, when the moving speed of the electronic device 200 is high, even if the user instructs to use the electronic device 200, switching to the near refractive power is prohibited. Conversely, when the moving speed of the electronic device 200 is low, the switching to the near refractive power is executed in response to the user instructing the use of the electronic device 200. Further, when the electronic device 200 transitions from a state where the moving speed is low to a state where the moving speed is high, the refractive power of the variable power element 120 is changed to a predetermined distance refractive power. Conversely, when the electronic device 200 transitions from the high moving speed to the low moving speed, the switching to the near refractive power is executed in response to the user instructing the use of the electronic device 200.

  When the data indicating the distance to the user is acquired by the distance detection unit 2233, the control information generation unit 230 generates control information including this data or information obtained by processing the data. The communication unit 240 transmits this control information. The communication unit 140 of the eye accommodation function support device 100 receives this control information. The control unit 110 controls the actuator 130 based on the information on the distance included in the control information. For example, when the distance to the user is large, the refractive power of the variable power element 120 is maintained at a predetermined distance refractive power. Conversely, when the distance to the user is small, switching to near refractive power is executed in response to the user instructing use of the electronic device 200. Alternatively, when the distance to the user is small, the switching to the near refractive power is automatically performed. In addition, when the distance to the user changes from a short state to a long state, the refractive power of the refractive power variable element 120 is switched to a predetermined distance refractive power in response to an instruction from the user or automatically. Conversely, when the distance to the user transitions from a large state to a small state, the refractive power of the variable power element 120 is switched to a predetermined near refractive power in response to an instruction from the user or automatically. .

  When detecting the start or end of use of the electronic device 200 based on a change in the intensity of light detected by a camera or an optical sensor similar to the imaging unit 2221, the control information generation unit 230 processes this data or this. The control information including the information obtained is generated. The communication unit 240 transmits this control information. The communication unit 140 of the eye accommodation function support device 100 receives this control information. The control unit 110 controls the actuator 130 based on the information on the light intensity included in the control information. For example, when the light intensity is high (exceeding a predetermined threshold), the refractive power of the variable power element 120 is switched to a predetermined near refractive power in response to an instruction from the user or automatically. Conversely, when the light intensity is low (when the light intensity is equal to or less than the predetermined threshold value), the refractive power of the variable refractive power element 120 is switched to the predetermined distance refractive power in response to an instruction from the user or automatically. Further, when the light intensity transitions from the low state to the high state (for example, when the portable electronic device placed on the table is lifted), the power of the refractive power variable element 120 is automatically adjusted in response to an instruction from the user or automatically. The refractive power is switched to a predetermined near refractive power. Conversely, when the light intensity changes from a strong state to a weak state (for example, when a used portable electronic device is placed on a table), the refractive power variable element responds to an instruction from a user or automatically. The refractive power of 120 is switched to a predetermined distance refractive power.

  When the control information includes the device ID, the control unit 110 collates the device ID with the device ID stored in advance. The latter device ID is identification information of the electronic device 200 permitted to control the eye adjustment function support device 100. When both device IDs match, control unit 110 executes control of actuator 130 based on the control information. On the other hand, if the two device IDs do not match, the control of the actuator 130 is not performed.

<Action / Effect>
The operation and effect of the eye accommodation function support system according to the embodiment will be described.

  An eye accommodation function support system (1) according to an embodiment includes an eye accommodation function support device (100) applied to a user to support an eye accommodation function, and a device for controlling the eye accommodation function support device (100). And an electronic device (200) for transmitting the signal.

  The eye accommodation function support device (100) includes a refractive power variable element (120), an actuator (130), a control unit (110), and a first communication unit (140). The refractive power variable element (120) is arranged outside or inside the eye, and at least a part of the refractive power is configured to be variable. The actuator (130) drives the variable refractive power element to change the refractive power. The control unit (110) controls the actuator.

  The electronic device (200) includes a data acquisition unit (220), a control information generation unit (230), and a second communication unit (240). The data acquisition unit (220) acquires data related to the usage status of the electronic device. The control information generation unit (230) generates control information based on the acquired data. The second communication unit (240) transmits the generated control information.

  The first communication unit (140) of the eye accommodation function support device (100) receives the control information transmitted from the second communication unit (240) of the electronic device (200). The control unit (110) controls the actuator (130) based on the received control information.

  According to the thus configured eye accommodation function support system (1), it is possible to change the refractive power of the eye accommodation function support device (100) according to the usage status of the electronic device (200) by the user. For example, the focus of the eye accommodation function support device (100) can be moved in response to an operation for starting to use the electronic device (200) or an operation for ending the use. Therefore, the focus can be automatically and quickly changed in accordance with the operation intended by the user, and the adjustment load can be reduced.

  In the embodiment, the data acquisition unit (220) may include a user interface (221) for performing an operation input to the electronic device (200). In this case, the control information generation unit (230) can generate control information based on an operation input performed using the user interface (221).

  For example, in a case where the electronic device (200) includes a portable electronic device, when an on operation for turning on a power supply or a predetermined function of the portable electronic device is performed using the user interface (221), the control information generation unit ( 230) can generate control information including ON operation information corresponding to the ON operation. When the ON information is included in the control information, the control unit (110) may control the actuator (130) so as to change the refractive power of the variable refractive power element (120) to a predetermined near refractive power. it can.

  Further, when an off operation for turning off the power or the predetermined function of the portable electronic device is performed using the user interface (221), the control information generation unit (230) outputs off operation information corresponding to the off operation. Control information can be generated. When the off information is included in the control information, the control unit (110) changes the refractive power of the variable power element (120) from near refractive power to another refractive power (for example, far refractive power). Control of the actuator (130) can be performed.

  According to such a configuration, the refractive power of the eye accommodation function support device (100) automatically changes to the near refractive power only by performing an operation such as turning on the power to start using the electronic device (200). I do. Conversely, by simply performing an operation such as turning off the power to end use of the electronic device (200), the refractive power of the eye accommodation function support device (100) automatically changes from near refractive power to far refractive power and the like. Change. Thereby, the burden of adjustment is reduced.

  In the embodiment, the data acquisition unit (220) may include a detection unit (223) that detects data indicating a state of the electronic device (200). In this case, the control information generation unit (230) generates control information based on the data detected by the detection unit (223).

  Here, the detection unit (223) includes a posture detection unit (2231) that detects a posture of the electronic device (200), a speed detection unit (2322) that detects a moving speed of the electronic device (200), and a user's face. And at least one of a distance detection unit (2233) for detecting a distance to the eye or the eye accommodation function support device (100).

  According to such a configuration, it is possible to automatically detect the state of the electronic device (200) and control the refractive power of the eye accommodation function support device (100) according to the detected state. Thereby, the burden of adjustment is reduced.

  According to the configuration in which the posture of the electronic device (200) is taken into consideration, the refractive power is increased in response to operations such as taking the electronic device (200) from the table, placing it on the table, taking it out of the bag, and putting it in the bag. Can be controlled.

  According to the configuration in which the moving speed is considered, it is possible to perform control such as prohibiting use of the electronic device (200) while moving at a high speed by a car, a bicycle, or the like. In addition, when sitting in the front passenger seat or the back seat of the car, or when moving by train (that is, when not driving the vehicle), the use prohibition state of the electronic device (200) is set (for example, It is possible to provide a release function (by manual operation).

  According to the configuration in which the distance is taken into consideration, the refractive power can be controlled in accordance with the fact that the electronic device (200) approaches the electronic device (200) for use or moves away from the electronic device (200) after use is completed.

  In the embodiment, the data acquisition unit (220) includes an imaging unit (2221) and an analysis unit (2222) that analyzes an image obtained by the imaging unit (2221) and specifies a user's gaze direction or face direction. And may be included. The control information generation unit (230) can generate control information based on the gaze direction or the face direction specified by the analysis unit (2222).

  According to such a configuration, it is possible to control the refractive power of the eye accommodation function support device (100) according to the state of the user. For example, controlling the refractive power in response to a user turning his / her gaze or face on the electronic device (200) to use the electronic device (200) or removing the line of sight or the like from the electronic device (200) after use is completed. Can be. Thereby, the burden of adjustment is reduced.

  In the embodiment, the control information generation unit (230) can generate control information including identification information (device ID) assigned to the electronic device (200). The control unit (110) can control the actuator (130) based on the identification information included in the control information sent from the electronic device (220).

  According to such a configuration, the content of the control of the refractive power can be switched according to the type of the electronic device (200). Further, even when there are a plurality of users of the system within the communicable range, control can be performed for each user. For example, even when there are a plurality of users in a train, at home, or in a company, it is possible to prevent confusion between the combination of the eye adjustment function support device and the electronic device, and to avoid malfunction or the like. is there.

<Embodiment of eye accommodation function support device>
The electronic device 200 of the above embodiment is used as an eye adjustment function support device for controlling the eye adjustment function support device 100. The eye accommodation function support device 100 includes a refractive power variable element 120 which is arranged outside or inside the eye and at least a part of which has a variable refractive power.

  The electronic device 200 as the eye accommodation function support device includes a data processing unit 220, a control information generation unit 230, and a communication unit 240. The data acquisition unit 220 acquires data related to the usage status of the electronic device 200. The control information generator 230 generates control information based on the acquired data. The communication unit transmits control information to the eye accommodation function supporting device 100 in order to change the refractive power of the variable refractive power element 120.

  According to the electronic device 200 (eye adjustment function support device) configured as described above, it is possible to perform control for changing the refractive power of the eye adjustment function support device 100 in accordance with the usage status of the electronic device 200 by the user. it can. Therefore, the focus can be automatically and quickly changed in accordance with the operation intended by the user, and the adjustment load can be reduced.

<Embodiment of eye accommodation function support method>
According to the eye accommodation function support system 1 of the above embodiment, it is possible to realize the following eye accommodation function support method. The eye accommodation function assisting method of the embodiment uses an eye accommodation function assisting instrument (100) including a refractive power variable element (120) arranged outside or inside the eye and having at least a part of the refractive power variable. It is a method to support the accommodation function of the eye.

  First, the electronic device 200 acquires data related to the usage status. Steps S1 and S7 in FIG. 3 are typical examples of this step.

  Next, the electronic device 200 generates control information based on the acquired data. Steps S2 and S8 in FIG. 3 are typical examples of this step.

  Next, the electronic device 200 transmits the generated control information. Steps S3 and S9 in FIG. 3 are typical examples of this step.

  Subsequently, the eye accommodation function support device 100 receives the control information transmitted from the electronic device 200. Steps S4 and S10 in FIG. 3 are typical examples of this step.

  Lastly, the eye accommodation function supporting device 100 changes the refractive power of the variable refractive power element based on the received control information. Steps S5 and S11 in FIG. 3 are typical examples of this step.

  According to such an eye accommodation function support method, it is possible to perform control for changing the refractive power of the eye accommodation function support device 100 according to the use situation of the electronic device 200 by the user. Therefore, the focus can be automatically and quickly changed in accordance with the operation intended by the user, and the adjustment load can be reduced.

<Embodiment of eye accommodation function support method>
According to the eye accommodation function support system 1 or the eye accommodation function support device (electronic device 200) of the above embodiment, it is possible to realize the following control method of the eye accommodation function support device (100). The control method according to the embodiment is a method of controlling an eye accommodation function support device (100) including a refractive power variable element (120) arranged outside or inside the eye and having at least a part of the refractive power variable. is there.

  First, the electronic device 200 acquires data related to the usage status. Steps S1 and S7 in FIG. 3 are typical examples of this step.

  Next, the electronic device 200 generates control information based on the acquired data. Steps S2 and S8 in FIG. 3 are typical examples of this step.

  Finally, the electronic device 200 transmits control information to the eye accommodation function supporting device 100 in order to change the refractive power of the refractive power variable element 120. Steps S3 and S9 in FIG. 3 are typical examples of this step.

  According to such a control method of the eye adjustment function support device, control for changing the refractive power of the eye adjustment function support device 100 can be performed according to the usage state of the electronic device 200 by the user. Therefore, the focus can be automatically and quickly changed in accordance with the operation intended by the user, and the adjustment load can be reduced.

  The embodiments described above are merely examples of the present invention. Those who intend to implement the present invention can arbitrarily make modifications (omission, substitution, addition, etc.) within the scope of the present invention.

1 Eye accommodation function support system 100 Eye accommodation function support device 110 Control unit 120 Refractive power variable element 130 Actuator 140 Communication unit 200 Electronic device 210 Control unit 220 Data acquisition unit 230 Control information generation unit 240 Communication unit

Claims (9)

A system comprising: an eye adjustment function support device applied to a user to support an eye adjustment function; and an electronic device that transmits a signal for controlling the eye adjustment function support device,
The eye accommodation function support device,
A refractive power variable element arranged outside or inside the eye, at least a part of which has a variable refractive power,
An actuator for driving the refractive power variable element to change the refractive power,
A control unit for controlling the actuator,
A first communication unit and
The electronic device,
A data acquisition unit for acquiring data related to the usage status,
A control information generating unit that generates control information based on the obtained data,
A second communication unit for transmitting the generated control information,
The first communication unit receives the control information transmitted from the second communication unit,
The control unit controls the actuator based on the received control information ,
The data acquisition unit includes a detection unit that detects data representing a state of the electronic device,
The eye accommodation function support system, wherein the control information generation unit generates the control information based on the data detected by the detection unit . The data acquisition unit includes a user interface for performing an operation input to the electronic device,
The eye accommodation function support system according to claim 1, wherein the control information generation unit generates the control information based on an operation input performed using the user interface. The electronic device includes a portable electronic device,
When an on operation for turning on a power supply or a predetermined function of the portable electronic device is performed using the user interface, the control information generating unit transmits the control information including on operation information corresponding to the on operation. Generate
When the control information includes the ON operation information, the control unit controls the actuator so as to change the refractive power of the refractive power variable element to a predetermined near refractive power. The eye accommodation function support system according to claim 2. When an off operation for turning off a power supply or a predetermined function of the portable electronic device is performed using the user interface, the control information generating unit transmits the control information including off operation information corresponding to the off operation. Generate
When the control information includes the off operation information, the control unit controls the actuator so as to change the refractive power of the refractive power variable element from the near refractive power to another refractive power. The eye accommodation function support system according to claim 3, characterized in that: The eye accommodation function support system according to any one of claims 1 to 4 , wherein the detection unit includes a posture detection unit that detects a posture of the electronic device. The eye accommodation function support system according to any one of claims 1 to 4, wherein the detection unit includes a speed detection unit that detects a moving speed of the electronic device. The eye adjustment function support system according to any one of claims 1 to 4, wherein the detection unit includes a distance detection unit that detects a distance to the user's face, eyes, or the eye adjustment function support device. . The data acquisition unit,
A shooting unit,
An analysis unit that analyzes the image obtained by the imaging unit and specifies the gaze direction or the face direction of the user,
The eye control function support according to any one of claims 1 to 7, wherein the control information generation unit generates the control information based on the gaze direction or the face direction specified by the analysis unit. system. The control information generating unit generates the control information including identification information assigned to the electronic device,
The eye control according to any one of claims 1 to 8 , wherein the control unit controls the actuator based on the identification information included in the control information received by the first communication unit. Function support system.

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