JP2012048320A - Information apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information apparatus capable of accurately identifying target devices for communication without requiring face registration or the like, allowing users to start communication within a short time.SOLUTION: When a holder of a camera 100 makes a specific motion to the camera 100, a vibration detection part 127b detects vibrations associated with the motion and identifies a vibration pattern. When each of holders of accessories 200b-200g make the specific motion to his/her accessory upon receiving a sign of the camera holder, a vibration detection part 204b detects vibrations associated with the motion and identifies a vibration pattern of each of the accessories 200b-200g. A control part 125 of the camera 100 compares the vibration pattern of each of the accessories 200b-200g with the vibration pattern of the camera 100 and identifies the accessories to be candidates for communication of an image file according to the comparison result. Then, the control part 125 makes a display part 123 display an image showing the accessories to be communication candidates.

Description

  The present invention relates to an information device having a communication function.

  In recent years, information devices having a photographing function such as a digital camera have become widespread. In recent years, many information devices such as digital cameras can transfer various data such as image data obtained by photographing with the information device to other communication target devices. As one of such data communication techniques, the technique of Patent Document 1 has been proposed. In Patent Document 1, a feature quantity of a face is detected from face image data of a communication partner, and address data corresponding to a person that matches the detected feature quantity is automatically set. With such a technique of Patent Document 1, since it is not necessary for the user to input address data, the possibility of erroneous transmission of e-mail or the like is reduced.

JP 2007-28077 A

  Here, with the technique of Patent Document 1, it is possible to clearly specify a communication target as a communication destination. However, in the technique of Patent Document 1 or the like, it is necessary to obtain face image data of a communication destination in advance, and it is necessary to register a facial feature amount in advance in order to specify a communication target device. There is a risk that the user may feel troublesome in setting. Furthermore, when the number of devices to be communicated increases, facial feature amount comparison must be performed one by one, and communication is likely to take time.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an information device capable of clearly specifying a communication target device for communication and performing communication in a short time without requiring face registration or the like. To do.

  In order to achieve the above object, an information device according to one aspect of the present invention is generated in a communication unit for communicating with a plurality of communication target devices, a display unit for displaying an image, and the information device. A vibration detection unit that detects a first vibration pattern, and each of the plurality of communication target devices from each of the plurality of communication target devices via the communication unit when the first vibration occurs. The received second vibration pattern and the second vibration occurrence time are received, and from the received second vibration pattern and the second vibration occurrence time, the communication target devices are A display control unit that identifies a communication target device that is a candidate for communication by the communication unit and displays display information including an image indicating the communication target device that is the specified communication candidate on the display unit. It is characterized by that.

  According to the present invention, it is possible to communicate in a short time by clearly specifying a communication target device while eliminating the need for prior registration such as face registration.

The figure for demonstrating the structure of the image communication system which has the information equipment which concerns on one Embodiment of this invention. The figure which shows a mode when attaching an accessory to a camera. The figure which shows the outline | summary of operation | movement of the image communication system which concerns on one Embodiment of this invention. The flowchart which shows operation | movement of a camera. The flowchart which shows operation | movement of an accessory. The figure for demonstrating the pattern of vibration.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram for explaining a configuration of an image communication system having an information device according to an embodiment of the present invention. As shown in FIG. 1, the image communication system includes an information device 100 and external devices 200 a to 200 g that are communication targets of the information device 100. Here, FIG. 1 is an accessory device (hereinafter simply referred to as an accessory) in which the information device 100 is an imaging device such as a digital camera (hereinafter simply referred to as a camera) and the external devices 200a to 200g are configured to communicate with each other. An example is shown. The accessories 200 a to 200 g are configured to be detachable from the camera 100. For example, as shown in FIG. 2, when the accessory 200a is attached to the camera 100, the camera 100 and the accessory 200a are connected so as to be able to communicate with each other. In this state, for example, an image file obtained by the camera 100 can be transferred to the accessory 200a. Further, the accessory 200a can wirelessly communicate with the other accessories 200b to 200g even when attached to the main body 120 as shown in FIG.

  The camera 100 has an interchangeable lens 110 and a main body 120. The interchangeable lens 110 is configured to be detachable from the main body 120. When the interchangeable lens 110 is attached to the main body 120, the interchangeable lens 110 and the main body 120 are connected to be communicable. In this case, the interchangeable lens 110 operates according to the control of the main body 120.

  The interchangeable lens 110 has a lens unit 111 and a lens control unit 112. The lens unit 111 is composed of a plurality of lenses, a diaphragm, and the like, and is an optical system for causing a light beam from a subject (not shown) to enter the imaging unit 121 inside the main body 120. The lens control unit 112 includes a communication unit 112a, and can communicate with the main body 120 via the communication unit 112a. The lens control unit 112 controls various lenses constituting the lens unit 111 such as focusing control and zooming control according to a lens control signal input from the main body 120 via the communication unit 112a.

  The main body 120 includes an imaging unit 121, a sound recording unit 122, a display unit 123, a recording unit 124, a control unit 125, an operation unit 126, a vibration information detection unit 127, a communication unit 128, and a communication unit 129. And have. The imaging unit 121 acquires image data by photoelectrically converting a light beam (image information) incident through the lens unit 111. The audio recording unit 122 includes a microphone or the like, and acquires audio data by converting audio around the camera 100 into an electric signal. The display unit 123 is a display unit such as a liquid crystal display (LCD) or an organic electroluminescence display (OELD), and displays various images. The recording unit 124 is a nonvolatile memory built in the camera 100, for example, and records various data such as an image file and an audio file generated by the control unit 125. The control unit 125 is configured by a CPU, for example, and executes various processes of the main body 120 according to the operation content of the operation unit 126. The control unit 125 also has functions as an image processing unit and an audio processing unit. The control unit 125 performs image processing for recording on the image data captured from the imaging unit 121, or via the audio recording unit 122. Recording audio processing is also performed on the acquired audio data. Furthermore, the control unit 125 also has a function as a display control unit. The operation unit 126 is various operation members for the owner of the camera 100 to give various operation instructions to the main body 120. As the operation unit 126, for example, a power button for turning on or off the power of the camera 100, a release button for instructing the camera 100 to execute shooting, a mode button for setting the operation mode of the camera 100, Various operation units such as a selection button for performing various selections in the camera 100 are included. When receiving the operation of the operation unit 126, the control unit 125 controls various processes according to the operation content of the operation unit 126. The vibration information detection unit 127 detects information related to vibration generated in the main body 120. The vibration information detection unit 127 includes a timer unit 127a and a vibration detection unit 127b. When the vibration is generated in the main body 120, the time measuring unit 127a measures the generation time of the vibration. Note that the timer unit 127a can also measure various times other than the vibration occurrence time, such as the shooting time and the recording time. The vibration detection unit 127b is configured by, for example, a triaxial acceleration sensor, and detects vibration generated in the main body 120 as an electrical signal. The communication unit 128 is an interface for the control unit 125 to communicate with the interchangeable lens 110. The communication unit 129 is an interface for the control unit 125 to communicate with an accessory connected to the main body 120. As a communication interface used for the communication unit 129, for example, a USB interface can be used.

  The accessories 200 a to 200 g include a recording unit 201, a display unit 202, a control unit 203, a vibration information detection unit 204, a communication unit 205, and an external device communication unit 206. Here, in order to simplify the description, the configurations of the accessories 200a to 200g are the same, and only the configuration of the accessory 200a will be described. Actually, the accessories 200a to 200g only need to have the recording unit 201, the control unit 203, the vibration information detection unit 204, and the external device communication unit 206 in common, and other configurations are not necessarily the same. good. The recording unit 201 records various data such as an image file obtained by further performing image processing (resizing processing) on the image obtained by the camera 100. The display unit 202 includes LEDs and the like, and is provided for displaying various statuses of the accessory 200a such as power on / off. The control unit 203 is constituted by a CPU, for example, and controls various processes of the accessory 200a. The vibration information detection unit 204 detects information related to vibration generated in the accessory 200a. The vibration information detection unit 204 includes a timer unit 204a and a vibration detection unit 204b. When the vibration is generated in the accessory 200a, the time measuring unit 204a measures the generation time of the vibration. The vibration detection unit 204b is composed of, for example, a triaxial acceleration sensor, and detects vibration generated in the accessory 200a as an electrical signal. When the accessory 200a is attached to the camera 100, the vibration of the accessory 200a may be detected as the vibration of the camera 100. The communication unit 205 includes a wired communication interface such as a USB interface as a communication interface for performing wired communication with the camera 100, for example. The external device communication unit 206 includes an interface for performing wireless communication such as Bluetooth (registered trademark) communication with other external devices such as the accessories 200b to 200b.

  FIG. 3 is a diagram showing an outline of the operation of the image communication system in the present embodiment. In the present embodiment, photographing is performed in a state where any accessory (for example, accessory 200a) is attached to the main body 120 of the camera 100. At this time, the image captured by the camera 100 is resized (reduced) and recorded in the recording unit 201 of the accessory 200a. The image file recorded in the recording unit 201 can be transmitted to other external devices such as the accessories 200b to 200g, personal computers (PCs), and mobile phones by the external device communication unit 206 in the accessory 200a. Here, when it is necessary to communicate with a plurality of external devices, the communication time tends to be long and the energy consumption for communication tends to increase if the communication is performed with each external device individually. For this reason, communication can be completed in a shorter time if image file communication is performed only with an external device owned by a person who desires transmission of the image file.

  Based on this concept, in the present embodiment, the owner of the camera 100 performs a specific operation on the camera 100, and the owner of the accessories 200b to 200g performs a specific operation on the accessories 200b to 200g. Like that. Only accessories for which the same operation as that performed on the camera 100 is performed are set as communication candidates. That is, in this embodiment, the owner of the camera 100 performs a camera operation to be executed from the camera operations registered in advance in the recording unit 124 of the camera 100 (for example, an operation of lifting the camera 100 upward). The contents of the above are communicated to other people in advance, for example, orally. Thereafter, the owner of the camera 100 executes the camera operation that has been communicated to other people, for example, together with a signal. FIG. 3A shows an example in which the owner of the camera 100 performs an operation of raising the hand holding the camera 100 upward as a camera operation. When vibration (first vibration) occurs in the camera 100, information related to the vibration is detected by the vibration information detection unit 127.

  On the other hand, when the owner of the accessories 200b to 200g desires to transmit an image, the owner 200b to 200g receives a signal from the owner of the camera 100 and performs an operation similar to the camera operation that has been transmitted in advance. In FIG. 3A, the owner A of the accessory 200b does not perform the same operation as the owner of the camera 100, and the owner B of the accessory 200c and the owner C of the accessory 200d perform the same operation as the owner of the camera 100. An example is shown. When vibration (second vibration) occurs in the accessories 200b to 200g, the vibration information detection unit 204 detects information related to vibration in the same manner as the camera 100. In the example of FIG. 3A, the vibration detection unit 204b of the accessory 200c and the vibration detection unit 204b of the accessory 200d detect substantially the same vibration as the camera 100.

  When vibration is detected in the accessories 200b to 200g, information about vibration is transmitted from the accessories 200b to 200g toward the camera 100. Here, the information regarding the vibration transmitted from the accessories 200b to 200g includes a vibration pattern uniquely determined by the direction and magnitude of the vibration and the number of times of vibration, and a vibration occurrence time. The control part 125 of the camera 100 compares the information regarding the vibration in the main body 120 with the information regarding the vibration transmitted from each of the accessories 200b to 200g. Then, the control unit 125 causes the display unit 123 to display an image 123a indicating an accessory that is considered to have generated the same vibration as the camera 100 (or the same vibration as the accessory 200a) as illustrated in FIG. . In the example of FIG. 3A, the owner B of the accessory 200c and the owner C of the accessory 200d perform the same operation as the owner of the camera 100. In this case, an image showing the accessory 200c and an image showing the accessory 200d are displayed. As these images, for example, images registered in advance in the recording unit 124 can be used. The image registered in advance in the recording unit 124 may be a face image of the owner B or the owner C, or may be a graphic showing the accessory 200c or the accessory 200d. Furthermore, if the ID information of each accessory is included as information regarding vibration, the ID information may be displayed as character information.

  After the image as shown in FIG. 3B is displayed and the candidate for communication is specified, the owner of the camera 100 actually uses the operation unit 126 to select the actual image from the images displayed on the display unit 123. Select an image that shows the accessory that will send the image. Upon receiving this selection, the control unit 125 controls the accessory 200a so as to transmit the image of the accessory 200a to the accessory to which the image is to be transmitted. In this way, the image recorded in the accessory 200a is transmitted only to the accessory owned by the applicant.

  FIG. 4 is a flowchart showing the operation of the camera 100 in the present embodiment. The operation of FIG. 4 is started by turning on the power of the camera 100 by the operation of the operation unit 126 of the owner of the camera 100. First, the control unit 125 of the camera 100 determines whether or not the operation mode of the camera 100 is the shooting mode (S101). As described above, the operation mode is set by operating the mode button of the operation unit 126, for example. In S101, when the operation mode is the shooting mode, the control unit 125 determines whether or not a shooting instruction has been given (S102). The photographing instruction is an operation of a release button of the operation unit 126, for example. When a shooting instruction is given in S102, the control unit 125 performs a shooting process and causes the recording unit 124 to record an image file obtained by shooting (S103). As the photographing process, the control unit 125 calculates the appropriate exposure amount of the image sensor from the brightness of the scene or the like. Then, the control unit 125 controls the exposure operation (image acquisition operation) of the imaging unit 121 according to the calculated appropriate exposure amount. After such shooting processing, the control unit 125 performs various types of image processing on the image data obtained by the shooting processing, and causes the recording unit 124 to record an image file obtained as a result of the image processing. In addition, the control unit 125 causes the recording unit 124 to record an audio file obtained via the audio recording unit 122 as necessary, for example, during moving image shooting.

  After recording the image file (and audio file) in the recording unit 124, the control unit 125 determines whether or not an accessory is currently attached to the camera 100 (S104). In S104, when an accessory is attached, the control unit 125 resizes (reduces) the image data obtained in S103 and records it on the accessory attached to the main body 120 (for example, the accessory 200a). And the generated image file for recording on the accessory 200a is transmitted to the accessory 200a via the communication unit 129 (S105). As a result, the resized image file corresponding to the image obtained by the camera 100 is copied to the recording unit 201 of the accessory 200a.

  In S101, when the shooting mode is not set, the control unit 125 determines whether or not the operation mode of the camera 100 is the playback mode (S106). If the operation mode is not the reproduction mode in S106, the process returns to S101. On the other hand, when the operation mode is the playback mode in S106, the control unit 125 causes the display unit 123 to display a list of image files (thumbnail images) (S107). If the accessory 200a is not attached, a list of image files recorded in the recording unit 124 is displayed. On the other hand, when the accessory 200a is attached, a list of image files recorded in the recording unit 201 is displayed. For the sake of simplicity, it is assumed that a list of image files recorded in the recording unit 201 is displayed thereafter. After displaying the list of image files, the control unit 125 determines whether an image file has been selected in accordance with, for example, the operation of the selection button on the operation unit 126 of the owner of the camera 100 (S108). If no image file has been selected in S108, the process returns to S107. In this case, the list display is continued. Further, when an image file is selected in S108, the control unit 125 reproduces the selected image file (S109). That is, the control unit 125 expands the image data in the image file and causes the display unit 123 to display an image based on the expanded image data.

  After the reproduction of the image file, the control unit 125 determines the main body of the camera 100 from the output of the vibration detection unit 127b of the vibration information detection unit 127 (or the output of the vibration detection unit 204b of the accessory 200a attached to the camera 100). It is determined whether 120 vibration has occurred (S110). In S110, when no vibration is generated in the main body 120 (when no vibration is generated in the accessory 200a), the control unit 125 skips the processes of S111 to S114. On the other hand, when vibration is generated in the main body 120 in S110, the control unit 125 instructs the accessory 200a to start communication with the other accessories 200b to 200g via the communication unit 129 (S111). ). Thereby, the information (vibration pattern and occurrence time) related to vibration from the accessories 200b to 200g is received by the main body 120 via the accessory 200a. After receiving information related to vibration from the accessories 200b to 200g, the control unit 125 compares information related to vibration generated in the main body 120 (vibration pattern and generation time) with information related to vibration generated in each of the accessories 200b to 200g. To do. For example, as shown in FIG. 6, the vibration pattern is a number uniquely determined by the direction, magnitude, and number of vibrations. For example, in the operation of lifting the camera 100 (and accessories 200b to 200g) upward as shown in FIG. 3A, the vibration pattern is “01” because the vibration direction is up and the number of times is one. Note that a table indicating the correspondence between the direction, magnitude, and number of vibrations and the number indicating the vibration pattern as shown in FIG. 6 is recorded in advance in the recording unit 124 of the main body 120 and the recording unit 201 of the accessories 200a to 200g. Keep it. The table in FIG. 6 is an example and can be changed as appropriate. For example, the vibration pattern does not necessarily include all of the direction, size, and number of times.

  After the comparison of the information regarding the vibration, the control unit 125 determines an accessory from the accessories 200b to 200g that is considered to have generated the same vibration as the vibration generated this time in the main body 120. Here, “it is considered that the same vibration has occurred” means a state in which the vibration patterns (vibration direction, magnitude, number of times) are substantially equal, and vibration occurrence times are also substantially equal. Actually, even if the owner of the accessories 200b to 200g tries to perform the same operation as that of the owner of the camera 100, the information about the vibration generated in the main body 120 and the accessory 200b to 200g are generated. There is a high probability that there will be a difference between the vibration information. For this reason, when the information regarding the vibration generated in the main body 120 and the information regarding the vibration generated in each of the accessories 200b to 200g are within an allowable value, it is determined that the information regarding both vibrations is the same. It is desirable to do so. By performing discrimination using such information relating to vibration, it is possible to discriminate the owner of the accessory that has performed the same operation as the owner of the camera 100 as shown in FIG. After discriminating the accessory having the same vibration as the camera 100, the control unit 125 displays an image indicating the accessory as shown in FIG. 3B, for example (S112). Thereafter, the control unit 125 determines whether the accessory displayed on the display unit 123 has been selected, for example, according to the operation of the selection button of the operation unit 126 of the owner of the camera 100 (S113). If the accessory image is not selected in S113, the process proceeds to S115. In S113, when an accessory image is selected, the control unit 125 instructs to transmit the image file reproduced in S109 to the accessory selected by the owner of the camera 100 (S114). . Thereby, the image file recorded in the accessory 200a is transmitted only to the accessory owned by the owner who performed the same operation as the owner of the camera 100. In addition, although the example of FIG. 4 illustrates transmission of the image file, the file to be transmitted is not limited to the image file.

  After the image file transmission instruction, the control unit 125 determines whether or not to end the reproduction mode (S115). For example, it is determined that the reproduction mode is ended when an operation for switching from the reproduction mode to the photographing mode is performed or when an operation for ending the reproduction is performed. In S115, when the reproduction mode is not terminated, the control unit 125 performs the processes after S106. In S115, when the reproduction mode is ended, the control unit 125 performs the processing after S101.

  FIG. 5 is a flowchart showing the operation of the accessories 200a to 200g in the present embodiment. The control unit 203 of the accessories 200a to 200g first determines whether or not the camera 100 is connected (S201). When the camera 100 is connected in S201, the control unit 203 determines whether an image file is transferred from the camera 100 via the communication unit 205 (S202). If the image file has not been transferred in S202, the process returns to S201. In S202, when the image file is transferred, the control unit 203 causes the recording unit 201 to record the transferred image file (S203). Thereafter, the process returns to S201.

  In S201, when the camera 100 is not connected, the control unit 203 determines whether or not vibration has occurred from the output of the vibration detection unit 204b of the vibration information detection unit 204 (S204). In S204, when vibration has occurred, the control unit 203 identifies the direction, magnitude, and number of vibrations from the output of the vibration detection unit 204b, and compares them with the table shown in FIG. A pattern is detected (S205). After S205, the control unit 203 determines whether or not the pattern of the vibration that has occurred this time matches any of the previously registered patterns (S206). If the current vibration pattern does not match the specific vibration pattern in S206, the process returns to S201. On the other hand, in S206, when the current vibration pattern matches the specific vibration pattern, the control unit 203 transmits the number data indicating the current vibration pattern and the data indicating the occurrence time of vibration to the external device communication unit. An instruction is sent to the camera 100 (accessory 200a) via 206 (S207). Thereafter, the process returns to S201.

  If no vibration is generated in S204, the control unit 203 determines whether a device signal is communicable with the camera 100 (accessory 200a) (S208). The device signal is a signal transmitted by the accessories 200b to 200g in order to establish a communication connection with the camera 100 (accessory 200a). In the case of Bluetooth communication, a pass key (also called a PIN code) or the like is a device signal. If the device signal can be communicated in S208, the control unit 203 transmits the device signal to the outside via the external device communication unit 206 (S209). In addition, when the device signal cannot be transmitted or when it is not necessary to transmit the device signal, the control unit 203 determines whether the image file can be received from the accessory 200a, that is, the transmission target of the image file by the camera 100. It is determined whether it is selected as (S210). If the image file cannot be received in S210, the process returns to S201. If the image file can be received in S210, the process returns to S201 after receiving the image file from the accessory 200a (S211).

  As described above, in this embodiment, only accessories for which the same operation as that performed on the camera 100 is performed are set as image file communication candidates, and the owner of the camera 100 actually selects the candidates from these candidates. The communication target of the image file can be selected. As a result, it is possible to reliably identify the communication target and perform image file communication in a short time while eliminating the prior registration work.

  Here, in the present embodiment described above, communication of an image file between the accessory 200a attached to the camera 100 and the accessories 200b to 200g is illustrated. Actually, the technique of the present embodiment described above can be applied even when the camera 100 and the accessories 200b to 200g are configured to be directly capable of wireless communication. When communication is performed with the accessory 200a attached to the camera 100, either the vibration information detection unit 127 of the main body 120 or the vibration information detection unit 204 of the accessory 200a can be omitted. In the above-described embodiment, a camera is shown as an example of the information device. However, the technology of the present embodiment can be applied to various information devices other than the camera.

  Moreover, in this embodiment mentioned above, it does not mention in particular about the number of the accessories which can communicate simultaneously with the accessory 200a. However, normally, there are often restrictions on the number of devices that can simultaneously communicate. For example, in the case of a Bluetooth device, up to seven simultaneous communication is possible. When the number of devices capable of simultaneous communication is limited, when applying the technique of the present embodiment, for example, the device with the earliest occurrence of vibration is given priority as a candidate for communication. However, in this case, even if another person performs an operation at a time earlier than the owner of the camera 100 (accessory 200a), it becomes a candidate for communication. In order to prevent this, it is more desirable to exclude accessories that generate vibration at a time earlier than the vibration generation time of the camera 100 (accessory 200a) from candidates for communication. In this case, vibration detection is repeated until the number of candidates for communication reaches a specified number.

  Although the present invention has been described above based on the embodiments, the present invention is not limited to the above-described embodiments, and various modifications and applications are naturally possible within the scope of the gist of the present invention.

  DESCRIPTION OF SYMBOLS 100 ... Information apparatus (camera), 101 ... Imaging part, 110 ... Interchangeable lens, 111 ... Lens part, 112 ... Lens control part, 120 ... Main body, 121 ... Imaging part, 122 ... Sound recording part, 123 ... Display part, 124 ... Recording unit, 125 ... Control unit, 126 ... Operation unit, 127 ... Vibration information detection unit, 128, 129 ... Communication unit, 200a to 200g ... External device (accessory), 201 ... Recording unit, 202 ... Display unit, 203 ... Recording unit, 204 ... vibration information detection unit, 205 ... communication unit, 206 ... external device communication unit

Claims (3)

A communication unit for communicating with a plurality of communication target devices;
A display for displaying an image;
A vibration detection unit that detects a pattern of a first vibration generated in the information device;
When the first vibration is generated, the second vibration pattern and the second vibration generated from each of the plurality of communication target devices through the communication unit to each of the plurality of communication target devices. The communication target device that is a candidate for communication by the communication unit among the plurality of communication target devices from the received second vibration pattern and the second vibration generation time. A display control unit that identifies and displays display information including an image indicating a communication target device that is a candidate for the identified communication on the display unit;
An information device comprising:   The display control unit includes a plurality of communication target devices having higher second vibration generation times among communication target devices in which the second pattern vibrations coincide with the first vibration pattern. The information device according to claim 1, wherein the information device is identified as a candidate for communication. The vibration detection unit further detects the occurrence time of the first vibration,
The said display control part excludes the said communication object apparatus which the said 2nd vibration generate | occur | produced at the time earlier than the generation | occurrence | production time of the said 1st vibration from the said communication candidate. Information equipment described.

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