US20130262709A1 - Electronic device - Google Patents
Electronic device Download PDFInfo
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- US20130262709A1 US20130262709A1 US13/802,116 US201313802116A US2013262709A1 US 20130262709 A1 US20130262709 A1 US 20130262709A1 US 201313802116 A US201313802116 A US 201313802116A US 2013262709 A1 US2013262709 A1 US 2013262709A1
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- Prior art keywords
- external device
- electronic device
- video camera
- digital video
- memory components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/177—Initialisation or configuration control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Definitions
- one object of the present invention is to provide an electronic device in which connection to an external device can be accomplished by a relatively simple operation.
- the user can connect the digital video camera 100 with a personal computer, a DVD recorder, or another such external device by a relatively simple operation.
- the external device Upon receipt of a notification that a USB connection has been made, the external device requests device information about the digital video camera 100 from the communication component 210 a (S 110 ).
- the device information here is information related to the name of the device, the number and types of storage media included in the device, and so on.
- the controller 210 determines whether or not the user has selected a storage medium on the medium selection screen (S 440 ).
- the user can select a storage medium on the medium selection screen by manipulating the manipulation member 250 .
- the manipulation member 250 is a member that receives the select instruction from the user.
- the manipulation member 250 may be a button, or may be a touch panel provided to the liquid crystal monitor 270 .
- the manipulation member 250 may be any interface with which the controller 210 can be made to recognize the selection of a storage medium by the user. If it is determined that no storage medium has been selected, the controller 210 again performs the determination of step S 410 . On the other hand, if it is determined that a storage medium has been selected, the controller 210 determines which storage medium was selected by the user (S 450 ).
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Software Systems (AREA)
- Studio Devices (AREA)
Abstract
An electronic device comprises a plurality of memory components, a connector, a receiver, and a communication component. The connector is configured to operatively connect the electronic device to an external device. The external device is capable of individually recognizing the memory components one at a time or simultaneously recognizing only a few of the memory components. The receiver is configured to receive a select instruction that specifies which of the memory components will be recognized by the external device. The communication component is configured to automatically communicate with the external device to permit the external device to automatically recognize at least one of the memory components as a predefined memory component. The communication component is further configured to communicate with the external device when the receiver receives the select instruction to permit the external device to recognize at least one memory components according to the select instruction.
Description
- This is a divisional application of application Ser. No. 12/961,503, filed on Dec. 7, 2010, which claims priority to Japanese Patent Application No. 2009-278120, filed on Dec. 8, 2009. The entire disclosures of application Ser. No. 12/961,503 and Japanese Patent Application No. 2009-278120 are hereby incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to an electronic device. More specifically, the present invention relates to an electronic device that allows connection with an external device.
- 2. Background Information
- Japanese Patent Application No. 2006-202234 discloses a USB switching device that controls the switching of a USB communication path. This USB switching device switches between a digital still camera (DSC)-printer connection state and a DSC-storage device connection state, on the basis of a switching signal from a storage device.
- It has been discovered that if the user tries to make a USB connection between a DSC and an external device, e.g., a printer or a storage device, using the device disclosed in Japanese Patent Application No. 2006-202234 above, the operation remains problematic.
- In view of the state of the known technology, one object of the present invention is to provide an electronic device in which connection to an external device can be accomplished by a relatively simple operation.
- In order to achieve the above object of the present invention, an electronic device is provided comprising a plurality of memory components, a connector, a receiver, and a communication component. The connector is configured to operatively connect the electronic device to a first external device. The first external device is capable of individually recognizing the plurality of memory components one at a time or simultaneously recognizing only a few of the plurality of memory components. The receiver is configured to receive a select instruction that specifies which of the memory components will be recognized by the first external device. The communication component is configured to automatically communicate with the first external device to permit the first external device to automatically recognize at least one of the memory components as a predefined memory component. The communication component is further configured to communicate with the first external device when the receiver receives the select instruction to permit the first external device to recognize at least one memory component according to the select instruction.
- These and other objects, features, aspects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses embodiments of the present invention.
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FIG. 1 is a block diagram of a system including a digital video camera and an external device; -
FIG. 2 is a block diagram illustrating the configuration of the digital video camera; -
FIG. 3 is a sequence diagram illustrating the flow of initial communication; -
FIG. 4 is a flowchart illustrating the startup operation of application software; -
FIG. 5 is a flowchart illustrating the decision operation of a memory medium; -
FIG. 6A is a diagram of a screen displayed on a liquid crystal monitor during initial communication, andFIG. 6B is a diagram of a screen displayed on a liquid crystal monitor after completion of initial communication; -
FIG. 7 is a diagram of a medium selection screen; -
FIG. 8 is a flowchart illustrating the startup operation of application software pertaining to a modification example; -
FIG. 9 is a flowchart illustrating the decision operation of a memory medium pertaining to a modification example; -
FIG. 10 is a flowchart illustrating the startup operation of application software pertaining to another modification example; -
FIG. 11 is a flowchart illustrating the decision operation of a memory medium pertaining to another modification example; -
FIG. 12 is a diagram of a medium selection screen pertaining to a modification example; and -
FIG. 13 is a diagram of a medium selection screen pertaining to a modification example. - Selected embodiments will now be explained with reference to the drawings. It will be apparent to those skilled in the art from this disclosure that the following descriptions of the embodiments are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims and their equivalents.
- An example of applying the present invention to a digital video camera will now be described through reference to the drawings.
- The
digital video camera 100 pertaining to this embodiment has a USB (universal serial bus) 290. Thedigital video camera 100 can be connected via theUSB 290 to various kinds of external device, such as a personal computer or a DVD (digital versatile disc) recorder. - The user can connect the
digital video camera 100 with a personal computer, a DVD recorder, or another such external device by a relatively simple operation. - As shown in
FIG. 1 , thedigital video camera 100 pertaining to this embodiment is connected via theUSB 290 to an external device to configure an entire system. With this system, the external device can access a HDD (hard disk drive) 320 and/or amemory card 240 within thedigital video camera 100. - 1-2-2. Configuration of Digital Video Camera
- The electrical configuration of the
digital video camera 100 pertaining to this embodiment will be described through reference toFIG. 2 .FIG. 2 is a block diagram illustrating the configuration of thedigital video camera 100. Thedigital video camera 100 uses aCCD image sensor 180 to capture an image of a subject formed by an optical system composed of azoom lens 110, etc. The image data produced by theCCD image sensor 180 is subjected to various processing by animage processor 190 and stored in the HDD320 and/or thememory card 240. The image data stored in the HDD320 and/or thememory card 240 can be displayed on aliquid crystal monitor 270. The configuration of thedigital video camera 100 will now be described in detail. - The optical system of the
digital video camera 100 includes thezoom lens 110, an Optical Image Stabilizer (OIS) 140, and afocus lens 170. Thezoom lens 110 can enlarge or reduce a subject image by moving along the optical axis of the optical system. Thefocus lens 170 adjusts the focus of the subject image by moving along the optical axis of the optical system. - The
OIS 140 has an internal correction lens that can move within a plane perpendicular to the optical axis. TheOIS 140 stabilizes the subject image by driving the correction lens in a direction that cancels out shake of thedigital video camera 100. - A
zoom motor 130 drives thezoom lens 110. Thezoom motor 130 may be a pulse motor, a DC motor, a linear motor, a servo motor, or the like. Thezoom motor 130 may drive thezoom lens 110 via a cam mechanism, a ball screw, or another such mechanism. Adetector 120 detects the position where thezoom lens 110 is located on the optical axis. Thedetector 120 outputs a signal related to the position of the zoom lens by means of a brush or other such switch according to the amount of movement of thezoom lens 110 in the optical axis direction. - An OIS actuator 150 drives and moves the correcting lens inside the
OIS 140 within a plane that is perpendicular to the optical axis. The OIS actuator 150 can be a plane coil, an ultrasonic motor, or the like. Adetector 160 detects the amount of movement of the correcting lens inside theOIS 140. - The
CCD image sensor 180 produces image data by capturing a subject image formed by the optical system composed of thezoom lens 110, etc. TheCCD image sensor 180 performs exposure, transfer, electronic shuttering, and various other such operations. - The
image processor 190 subjects the image data produced by theCCD image sensor 180 to various processing and thereby produce image data for display on theliquid crystal monitor 270, or produces image data to be re-stored in theHDD 320 and/or thememory card 240. For example, theimage processor 190 subjects the image data produced by theCCD image sensor 180 to gamma correction, white balance correction, scratch correction, and various other such processing. Theimage processor 190 also compresses the image data produced by theCCD image sensor 180, using a compression format that conforms to the MPEG2 standard, the H.246 standard, or the like. Theimage processor 190 can be a DSP, a microprocessor, or the like. - A
controller 210 is a control unit that controls the entiredigital video camera 100. Thecontroller 210 can be a semiconductor element or the like. Thecontroller 210 may be constituted by hardware alone, or a combination of hardware and software. In this embodiment, thecontroller 210 is a microprocessor. Thecontroller 210 reads and executes control programs held in aninternal memory 280, and thereby operates as acommunication component 210 a, adetermination component 210 b, adata controlling component 210 c, etc., to control, for example, theliquid crystal monitor 270 and other devices in thedigital video camera 100. The operation of thecommunication component 210 a, thedetermination component 210 b, and thedata controlling component 210 c will be described in detail below. - A
memory 200 functions as a working memory for theimage processor 190 and thecontroller 210. Thememory 200 is a DRAM, a ferroelectric memory, or the like, for example. - The
liquid crystal monitor 270 is able to display an image corresponding to the image data produced by theCCD image sensor 180, an image corresponding to the image data read out from theHDD 320 and/or thememory card 240, etc. In another embodiment, an organic EL display, a plasma display, or another such display capable of displaying images can be used in place of theliquid crystal monitor 270. - A
gyro sensor 220 has a piezoelectric element or another such vibrating material. Thegyro sensor 220 obtains angular velocity information by converting the Coriolis force exerted on the vibrating material, which is vibrated at a specific frequency, into voltage. Thecontroller 210 obtains angular velocity information from thegyro sensor 220. Thecontroller 210 corrects any effect of shaking of the user's hand by driving the correcting lens inside theOIS 140 in the direction of canceling out the shake indicated by the angular velocity information. - The
memory card 240 can be inserted into and removed from acard slot 230. Thecard slot 230 can be mechanically and electrically connected to thememory card 240. Thememory card 240 includes an internal flash memory, ferroelectric memory, etc. Thememory card 240 is a storage medium that records video data and so forth captured by thedigital video camera 100. - The
internal memory 280 can be a flash memory, ferroelectric memory, or the like. Theinternal memory 280 holds control programs and so forth for controlling the entiredigital video camera 100. - A
manipulation member 250 is an operating interface that receives image capture commands and other various commands from the user. Azoom lever 260 receives zoom ratio change commands from the user. - The
USB 290 is an interface for connecting thedigital video camera 100 with a personal computer or other such external device. For example, theUSB 290 and the USB of a personal computer or other such external device can be connected via a USB cable. Thedigital video camera 100 can send and receive data to and from an external device, and can receive power supply from an external device, via theUSB 290. - An AC
adapter connection terminal 300 is an interface for connecting thedigital video camera 100 to an AC adapter. Thedigital video camera 100 can receive power supply from an AC adapter via the ACadapter connection terminal 300. - A
battery 310 is a chargeable battery for supplying power to thedigital video camera 100. - The
HDD 320 is a storage medium that is incorporated into the main body of thedigital video camera 100. TheHDD 320 is a storage medium that records video data and/or the like captured by thedigital video camera 100. - The
memory card 240 and theHDD 320 are examples of memory components of the present invention. A DVD recorder is one example of a first external device. A personal computer is an example of a second external device. TheUSB 290 is one example of a connector. Themanipulation member 250 is one example of a receiver. Thecommunication component 210 a of thecontroller 210 is an example of a communication component. Thedetermination component 210 b of thecontroller 210 is one example of a determination component. Thedata controlling component 210 c of thecontroller 210 is one example of adata controlling component 210 c. Theliquid crystal monitor 270 is one example of a display component. TheCCD image sensor 180 is one example of an imaging element. - The various operations of the
digital video camera 100 pertaining to this embodiment will be described through reference to the drawings. - The initial communication between the
digital video camera 100 and a personal computer, DVD recorder, or other such external device will be described through reference toFIG. 3 .FIG. 3 is a sequence diagram illustrating the flow of the initial communication. - The user can connect the
digital video camera 100 to an external device via theUSB 290. Once an external device is connected to theUSB 290, thecommunication component 210 a of thedigital video camera 100 notifies the external device that a USB connection has been made (S100). - Upon receipt of a notification that a USB connection has been made, the external device requests device information about the
digital video camera 100 from thecommunication component 210 a (S110). The device information here is information related to the name of the device, the number and types of storage media included in the device, and so on. - Upon receipt of the request for device information, the
communication component 210 a responds to the external device with the requested device information (S120). Upon receipt of this response, the external device notifies thecommunication component 210 a that the device information has been properly received, that is, that thedigital video camera 100 has been properly recognized (S130). - After the notification of the proper receipt of device information, the external device requests detailed information about one or more of all the storage media included in the
digital video camera 100 from thecommunication component 210 a (S140). The detailed information about a storage medium here is information related to the capacity of the storage medium, the number of blocks of the storage medium, and so on. A personal computer requests detailed information about all the storage media included in thedigital video camera 100. A DVD recorder, on the other hand, requests detailed information about only a predetermined storage medium (default storage medium) out of all the storage media included in thedigital video camera 100. - Upon receipt of a request for detailed information about a storage medium or media, the
communication component 210 a responds to the external device with the requested detailed information (S150). As a result, a personal computer becomes in a state in which it recognizes all the storage media included in thedigital video camera 100. On the other hand, a DVD recorder becomes in a state in which it recognizes only a predetermined storage medium out of all the storage media included in thedigital video camera 100. - With the above operation, the initial communication between the external device and the
digital video camera 100 is completed. This completion of initial communication establishes communication between thedigital video camera 100 and the external device via theUSB 290. More specifically, completion of initial communication establishes communication between thedigital video camera 100 and a personal computer in a state in which both of the two storage media (thememory card 240 and the HDD 320) of thedigital video camera 100 are recognized. Meanwhile, completion of initial communication establishes communication between thedigital video camera 100 and a DVD recorder in a state in which one of the two storage media (thememory card 240 and the HDD 320) of thedigital video camera 100 is recognized. - This initial communication is automatically begun once an external device is connected to the
USB 290. Therefore, the above-mentioned communication is automatically established once the user connects an external device to theUSB 290 of thedigital video camera 100. - The operation after completion of initial communication will now be described.
- The operation of the external device after the completion of initial communication between the external device and the
digital video camera 100 will be described through reference toFIG. 4 .FIG. 4 is a flowchart illustrating the startup operation of application software in an external device. The external device is in a state in which it is connected to thedigital video camera 100 via theUSB 290. Here, a personal computer and a DVD recorder will be used as examples of external devices. - First, the operation of the personal computer will be described. Application software and resident software corresponding to the
digital video camera 100 have been installed in this personal computer ahead of time. Resident software is software that causes the personal computer to execute processing for monitoring the connection of a device to the personal computer. Resident software is automatically started up once a device is connected to the personal computer. Application software is software that causes the personal computer to execute processing such as the editing of moving pictures and/or still pictures outputted from thedigital video camera 100 to the personal computer. - The resident software (more precisely, the controller of the personal computer that executes resident software, the same shall apply hereinafter) executes initial communication with the device connected to the personal computer (S200). If the device connected to the personal computer is the
digital video camera 100, the initial communication shown inFIG. 3 is executed. - Upon completion of this initial communication (S200), the resident software in the personal computer determines whether or not the device connected to the personal computer is a target device (S210). The “target device” here is a device that has been recognized ahead of time by the resident software to be a device to which the resident software can start up the application software. The resident software recognizes the
digital video camera 100 as a target device ahead of time. - If the device is determined not to be a target device, the resident software ends the operation.
- On the other hand, if the device is determined to be a target device, the resident software sends the digital video camera 100 a medium selection screen switch-off command (S220). The “medium selection screen switch-off command” here is a command to switch off the medium selection screen (discussed below) from the
liquid crystal monitor 270. Upon sending of a medium selection screen switch-off command to thedigital video camera 100, the resident software starts up the application software (S230). - Next, the operation of the DVD recorder will be described. The controller of the DVD recorder automatically executes the initial communication shown in
FIG. 3 once thedigital video camera 100 is connected to the DVD recorder. Upon completion of the initial communication (S300), the DVD recorder immediately starts up the application software (S310). This application software is software that causes the DVD recorder to execute moving picture and/or still picture recording, reproduction, or other such processing. - The operation of the
digital video camera 100 after completion of initial communication between the external device and thedigital video camera 100 will be described through reference toFIG. 5 .FIG. 5 is a flowchart illustrating the decision operation of the storage media of thedigital video camera 100. The processing inFIG. 5 performed by thedigital video camera 100 is executed in parallel with the processing inFIG. 4 performed by the external device. The decision operation of the storage media of thedigital video camera 100 is automatically executed once an external device is connected to theUSB 290. - Upon completion of the initial communication (S400) shown in
FIG. 3 , thedetermination component 210 b of thecontroller 210 determines whether or not a medium selection screen switch-off command has been received from the external device (S410). During initial communication, thecontroller 210 displays the screen ofFIG. 6A on theliquid crystal monitor 270. After completion of the initial communication, thecontroller 210 instructs the liquid crystal monitor 270 to display the screen illustrated inFIG. 6B . The screen displays the medium selection screen illustrated inFIGS. 7 , 12 and 13, which is generated when thecontroller 210 received information from theinternal memory 280. - If it is determined that a medium selection screen switch-off command has been received, the
controller 210 executes step S420. If a medium selection screen (discussed below) is being displayed on theliquid crystal monitor 270, thecontroller 210 controls the liquid crystal monitor 270 so as to switch off the medium selection screen (S420). On the other hand, if a medium selection screen is not being displayed on theliquid crystal monitor 270, thecontroller 210 does nothing (S420). The liquid crystal monitor 270 displays the screen ofFIG. 6B at the point when step S420 comes to an end. - Meanwhile, if it is determined that no medium selection screen switch-off command has been received, the
controller 210 controls the liquid crystal monitor 270 so that the medium selection screen ofFIG. 7 is displayed (S430). The medium selection screen is a screen that allows the user to input a select instruction and thereby allows the user to select which of the two storage media (thememory card 240 and the HDD 320) of thedigital video camera 100 is to be recognized by the external device. The select instruction is an instruction with which the user shows thedigital video camera 100 which of the plurality of memory components are to be recognized by the external device. In other words, the medium selection screen prompts the user to select either thememory card 240 or theHDD 320 as the storage medium to be recognized by the external device. That is, the medium selection screen asks the user to select either thememory card 240 or theHDD 320 as the storage medium that the external device is to recognize. - After step S430, the
controller 210 determines whether or not the user has selected a storage medium on the medium selection screen (S440). The user can select a storage medium on the medium selection screen by manipulating themanipulation member 250. Themanipulation member 250 is a member that receives the select instruction from the user. Themanipulation member 250 may be a button, or may be a touch panel provided to theliquid crystal monitor 270. In short, themanipulation member 250 may be any interface with which thecontroller 210 can be made to recognize the selection of a storage medium by the user. If it is determined that no storage medium has been selected, thecontroller 210 again performs the determination of step S410. On the other hand, if it is determined that a storage medium has been selected, thecontroller 210 determines which storage medium was selected by the user (S450). - If it is determined that the
HDD 320 was selected, thedigital video camera 100 and the external device again perform the initial communication ofFIG. 3 (S460). At that time, if the DVD recorder is connected to theUSB 290, thecommunication component 210 a sends the DVD recorder detailed information about theHDD 320 in step S150, which is included in the initial communication. Therefore, when the initial communication (S460) is complete, the DVD recorder becomes in a state in which theHDD 320 of thedigital video camera 100 has been mounted (recognized) (S470). - On the other hand, if it is determined that the
memory card 240 was selected, thedigital video camera 100 and the external device again perform the initial communication ofFIG. 3 (S480). At that time, if the DVD recorder is connected to theUSB 290, thecommunication component 210 a sends the DVD recorder detailed information about thememory card 240 in step S150, which is included in the initial communication. Therefore, when the initial communication (S480) is complete, the DVD recorder becomes in a state in which thememory card 240 of thedigital video camera 100 has been mounted (recognized) (S490). - The
digital video camera 100 receives a medium selection screen switch-off command only when thedigital video camera 100 is connected to a personal computer. That is, a medium selection screen switch-off command is a signal that causes thedigital video camera 100 to recognize the type of external device (whether it is a personal computer or a DVD recorder) connected to thedigital video camera 100. Therefore, the above-mentioned step S410 is a step of determining the type of external device connected to thedigital video camera 100. - The external device such as, for example, a personal computer or a DVD recorder, can read data from the
memory card 240 and/or the HDD320, whichever the external device is currently recognizing. Thedata controlling component 210 c stores the image data recorded by the user in thememory card 240 and/or the HDD320. Thedata controlling component 210 send the external device the data (including the image data) stored in thememory card 240 and/or the HDD320 according to a command sent from the external device. - Once a DVD recorder is connected to the
digital video camera 100, thedigital video camera 100 automatically executes initial communication and causes the DVD recorder to recognize the default storage medium. The DVD recorder is a type of external device capable of simultaneously recognizing only some of the plurality of storage media of thedigital video camera 100. Therefore, communication between the DVD recorder and thedigital video camera 100 can be established in plug-and-play fashion, without requiring the user to go through a complicated operation. - Also, once a DVD recorder is connected to the
digital video camera 100, thedigital video camera 100 automatically displays a medium selection screen on the liquid crystal monitor 270 upon completion of the initial communication. The medium selection screen is a screen that receives an instruction from the user with which the storage medium to be recognized by the DVD recorder is selected from among the two storage media (thememory card 240 and the HDD 320) of thedigital video camera 100. When thedigital video camera 100 is instructed via the medium selection screen to change the storage medium, it executes initial communication again, and causes the DVD recorder to recognize the storage medium indicated by this instruction. Consequently, the user can easily have the DVD recorder recognize a storage medium other than the default storage medium. - Also, once a DVD recorder is connected to the
digital video camera 100, thedigital video camera 100 automatically executes initial communication to cause the DVD recorder to recognize the default storage medium, and automatically causes the liquid crystal monitor 270 to display the medium selection screen after completion of initial communication. Consequently, if the usage frequency of the default storage medium by the user is generally greater than the usage frequency of other storage media, in most cases the storage medium desired by the user will be recognized by the DVD recorder in plug-and-play fashion. Furthermore, if necessary, the user can select a storage medium other than the default storage medium with the medium selection screen. The default storage medium may be set to one with a storage capacity that is greater than that of other storage media, or may be set to one with a data read speed that is greater than that of other storage media, or may be set to one determined to be suitable on the basis of survey results, or can be set to any other storage medium. - Also, the medium selection screen is displayed on the
liquid crystal monitor 270, which allows the user to visually understand the choices of the storage medium to be recognized by the external device. As a result, changing the storage medium to be recognized by the external device can be accomplished easily and intuitively. - Also, once a personal computer is connected to the
digital video camera 100, thedigital video camera 100 automatically executes initial communication. A personal computer is a type of external device capable of simultaneously recognizing all of the plurality of storage media included in thedigital video camera 100. As a result, regardless of whether the user connects a personal computer or a DVD recorder to thedigital video camera 100, communication between thedigital video camera 100 and the external device can be automatically established in plug-and-play fashion. Consequently, the user can start communication between thedigital video camera 100 and the external device automatically, merely by connecting the two, without going to the trouble of making a selection, etc. - Also, once a DVD recorder is connected to the
digital video camera 100, thedigital video camera 100 automatically displays a medium selection screen on theliquid crystal monitor 270, but when a personal computer is connected to thedigital video camera 100, either a medium selection screen is not displayed on theliquid crystal monitor 270, or, if a medium selection screen is already being displayed on theliquid crystal monitor 270, it is switched off. Thedigital video camera 100 executes the different processing according to the type of external device which is connected to thedigital video camera 100, so that the user does not need to do any unnecessary operations. -
Embodiment 1 was described above as an embodiment of the present invention, but the present invention is not limited to or by these. Other embodiments of the present invention will be described in this section. - In
Embodiment 1, a digital video camera was used as an example of an electronic device pertaining to the present invention, but the present invention can also be applied to other electronic devices having a plurality of storage media. - Also, in
Embodiment 1, a hard disk drive and a memory card were given as examples of a plurality of storage media (or memory components), but the present invention is not necessarily limited to these examples. The present invention can be applied to an electronic device equipped with a flash memory, a hard disk drive, and a memory card, an electronic device equipped with two memory cards, or other various electronic devices having a plurality of media. In other words, inEmbodiment 1 there were two storage media that the DVD recorder could recognize, and there was one default storage medium. In other embodiments, however, there may be three or more storage media that the DVD recorder can recognize. In this case, there may be two or more default storage media. - Also, in Embodiment 1 a medium selection screen switch-off command was sent from the personal computer to the
digital video camera 100, but the present invention is not necessarily limited to such a situation. For instance, instead of a medium selection screen switch-off command, any command can be sent that can notify to the effect that an external device is able to simultaneously recognize all of the storage media of thedigital video camera 100. - Also, in
Embodiment 1 theUSB 290 was given as an example of a connector, but the present invention is not necessarily limited to this. Any connector that allows bidirectional communication between thedigital video camera 100 and an external device may be used. - Also, in Embodiment 1 a medium selection screen was automatically displayed on the liquid crystal monitor 270 once the DVD recorder was connected to the
USB 290, but a medium selection screen does not necessarily have to be displayed in plug-and-play fashion. For example, the user may use themanipulation member 250 to direct that a medium selection screen be displayed at the desired timing. - Also, in Embodiment 1 a medium selection screen switch-off command was sent from the personal computer to the
digital video camera 100 in order for thedigital video camera 100 to recognize the type of external device connected to thedigital video camera 100. However, thedigital video camera 100 can recognize the type of external device connected to thedigital video camera 100 in some other way. - For example, as shown in
FIG. 8 , both the personal computer and the DVD recorder may send thedigital video camera 100 signals that allow the respective types to be identified. In this case, the processing ofFIG. 5 can be modified to the processing ofFIG. 9 , for example. More specifically, in step S410, the processing is ended when a specific signal has been sent from the personal computer and the processing moves to step S430 when a specific signal has been sent from the DVD recorder. If a determination of “no” is made in step S440, the processing returns to step S440, rather than going to step S410. - Alternatively, as shown in
FIG. 10 , only the DVD recorder may send a specific signal to thedigital video camera 100. In this case, the processing ofFIG. 5 can be modified to the processing ofFIG. 11 , for example. More specifically, if a determination of “no” is made in step S410, step S410 is repeated. Furthermore, if a determination of “no” is made in step S440, the processing returns to step S440, rather than going to step S410. - As described above, if a specific signal is sent from the personal computer and/or the recorder, the
determination component 210 b is able to determine the type of external device connected to thedigital video camera 100. - Also, the medium selection screen is not limited to the example shown in
FIG. 7 , and may instead be as shown inFIG. 12 or 13, for example. That is, the medium selection screen need not be a screen on which all of the storage media included in thedigital video camera 100 are given as options as shown inFIG. 7 , and may instead be a screen on which the currently selected storage medium option is omitted as shown inFIGS. 12 and 13 , and only options for the storage media not currently selected are given. - The screen in
FIG. 12 is a screen that receives an instruction to change the storage medium to be recognized by the DVD recorder from theHDD 320 to thememory card 240 when theHDD 320 has been connected to theUSB 290. If the user wants to select theHDD 320, he or she can make the selection to do nothing, but if the user wants to select thememory card 240, he or she can make the selection to press the icon for thememory card 240. Similarly, the screen inFIG. 13 is a screen that receives an instruction to change the storage medium to be recognized by the DVD recorder from thememory card 240 to theHDD 320 when thememory card 240 has been connected to theUSB 290. If the user wants to select thememory card 240, he or she can make the selection to do nothing, but if the user wants to select theHDD 320, he or she can make the selection to press the icon for theHDD 320. That is, the medium selection screens shown inFIGS. 12 and 13 are screens that allow the user to select which of the two storage media (thememory card 240 and the HDD 320) of thedigital video camera 100 is to be recognized by the external device. - Also, in
Embodiment 1, a DVD recorder was given as an example of an external device (first external device) of a type capable of simultaneously recognizing only some of the plurality of storage media of thedigital video camera 100, and a personal computer was given as an example of an external device (second external device) of a type capable of simultaneously recognizing all of the plurality of storage media of thedigital video camera 100. However, the present invention is not limited to or by these examples. For instance, when USB connection is assumed, any device equipped with an OS (operating system) that can simultaneously recognize a plurality of logical units can be used as the second external device. Meanwhile, a device in which such an OS is not installed, and which is designed to be able to recognize only one logical unit at a time, can be used as the first external device. - The present invention can be applied to a digital video camera, a digital still camera, or other such electronic devices.
- In understanding the scope of the present invention, the term “comprising” and its derivatives, as used herein, are intended to be open ended terms that specify the presence of the stated features, elements, components, groups, integers, and/or steps, but do not exclude the presence of other unstated features, elements, components, groups, integers and/or steps. The foregoing also applies to words having similar meanings such as the terms “including,” “having,” and their derivatives. Also, the terms “part,” “section,” “portion,” “member,” or “element” when used in the singular can have the dual meaning of a single part or a plurality of parts. Also as used herein to describe the above embodiments, the following directional terms “forward”, “rearward”, “above”, “downward”, “vertical”, “horizontal”, “below” and “transverse” as well as any other similar directional terms refer to those directions of an electronic device. Accordingly, these terms, as utilized to describe the above embodiments should be interpreted relative to an electronic device.
- Moreover, the term “configured” as used herein to describe a component, section, or part of a device includes hardware and/or software that is constructed and/or programmed to carry out the desired function.
- While only selected embodiments have been chosen to illustrate the present invention, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the scope of the invention as defined in the appended claims. Furthermore, the foregoing descriptions of the embodiments according to the present invention are provided for illustration only, and not for the purpose of limiting the invention as defined by the appended claims and their equivalents. Thus, the scope of the invention is not limited to the disclosed embodiments.
Claims (10)
1. An electronic device comprising:
a plurality of memory components;
a connector configured to operatively connect the electronic device to a first external device and a second external device, the first external device being capable of individually recognizing each of the plurality of memory components one at a time or simultaneously recognizing only a few of the plurality of memory components, and the second external device being capable of simultaneously recognizing each of the plurality of memory components; and
a display component configured to automatically display a selection screen once the electronic device is connected to the first external device so as to allow a user to select which of the plurality of memory components will be recognized by the first external device, the display component being further configured to not display the selection screen when the electronic device is connected to the second external device or to discontinue displaying the selection screen once the electronic device is connected to the second external device.
2. The electronic device according to claim 1 , further comprising:
a determination component configured to automatically determine the type of external device connected to the electronic device,
wherein the display component is further configured to automatically display the selection screen once the determination component has determined that the first external device is connected to the electronic device, and wherein the display component is further configured to not display the selection screen when the second external device is connected to electronic device or to discontinue displaying the selection screen once the determination component has determined that the second external device is connected to the electronic device.
3. The electronic device according to claim 2 , wherein:
the determination component is further configured to determine the type of external device on the basis of a signal sent from at least one of the first external device and the second external device.
4. The electronic device according to claim 1 , further comprising:
an imaging element configured to create an image data of a subject; and
a data controlling component configured to store the image data in at least one of the plurality of memory components, the data controlling component being further configured to instruct the image data to be sent from the at least one of the plurality of memory components to at least one of the first external device and the second external device, according to a command sent from at least one of the first external device and the second external device.
5. A method for controlling the electronic device which includes a plurality of memory components, the method comprising:
connecting the electronic device to a first external device and a second external device;
the first external device individually recognizing each of a plurality of the memory components one at a time, or simultaneously recognizing only a few of the plurality of the memory components;
the second external device simultaneously recognizing each of the plurality of memory components;
automatically displaying a selection screen once the electronic device is connected to the first external device, the selection screen configured to allow a user to select which of the plurality of memory components will be recognized by the first external device;
displaying something other than the selection screen when the electronic device is connected to the second external device or to discontinuing the display of the selection screen once the electronic device is connected to the second external device.
6. The method according to claim 5 , further comprising:
automatically determining the type of external device connected to the electronic device; and
automatically displaying the selection screen once the determination component has determined that the first external device is connected to the electronic device; and
displaying something other than the selection screen when the second external device is connected to the electronic device or discontinue the display of the selection screen once the determination component has determined that the second external device is connected to the electronic device.
7. The method according to claim 6 , further comprising:
determining the type of external device based on at least one of a signal sent from at least one of the first external device and the second external device.
8. The method according to claim 5 , further comprising:
creating an image data of a subject;
storing the image data in at least one of the plurality of memory components;
instructing the image data to be sent from the at least one of the plurality of memory components to at least one of the first external device and the second external device, according to a command sent from at least one of the first external device and the second external device.
9. The electronic device according to claim 2 , wherein
the determination component is further configured to determine the type of external device on the basis of a signal sent from the first external device and/or a signal sent from the second external device.
10. The electronic device according to claim 1 , further comprising:
an imaging element configured to create an image data of a subject; and
a data controlling component configured to store the image data in at least one of the plurality of memory components, the data controlling component being further configured to instruct the image data to be sent from the at least one of the plurality of memory components to either the first external device and/or the second external device according to a command sent from either the first external device and/or the second external device.
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WO2021121180A1 (en) * | 2019-12-20 | 2021-06-24 | 维沃移动通信有限公司 | Information processing method and electronic device |
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JP5726000B2 (en) * | 2011-06-24 | 2015-05-27 | キヤノン株式会社 | Information processing apparatus, information processing method, and program |
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JP2002215275A (en) | 2001-01-15 | 2002-07-31 | Sony Corp | Electronic equipment with usb connecting function, digital camera, file transfer method and electronic equipment |
US20020126212A1 (en) * | 2001-03-06 | 2002-09-12 | Konica Corporation | Electronic still camera |
JP2002359810A (en) | 2001-03-06 | 2002-12-13 | Konica Corp | Electronic camera |
JP2002324040A (en) | 2002-06-28 | 2002-11-08 | I-O Data Device Inc | Peripheral device having external input/output part priority selection switch |
JP4062227B2 (en) | 2003-09-30 | 2008-03-19 | ブラザー工業株式会社 | Peripheral device and image forming apparatus |
KR100618814B1 (en) | 2003-07-04 | 2006-08-31 | 삼성전자주식회사 | Movable storage apparatus combined use of smart card capable of interfacing multi hosts and interfacing method of the same |
JP2006202234A (en) | 2005-01-24 | 2006-08-03 | Olympus Imaging Corp | Usb communication path switching controller |
US7818160B2 (en) * | 2005-10-12 | 2010-10-19 | Storage Appliance Corporation | Data backup devices and methods for backing up data |
US7813913B2 (en) | 2005-10-12 | 2010-10-12 | Storage Appliance Corporation | Emulation component for data backup applications |
JP5028798B2 (en) | 2005-12-27 | 2012-09-19 | ソニー株式会社 | Information processing apparatus, information processing method, and computer program |
US8001303B2 (en) * | 2007-12-04 | 2011-08-16 | Dell Products L.P. | USB key emulation system to multiplex information |
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WO2021121180A1 (en) * | 2019-12-20 | 2021-06-24 | 维沃移动通信有限公司 | Information processing method and electronic device |
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