JP2006288542A - System for aquiring information on inside of subject - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To downsize a receiver and to prevent the receiver from being operated by a subject. <P>SOLUTION: The receiver 2 is connected to a viewer 4 through a communication cable 5, the viewer 4 is provided with a power supply switch 52 for the receiver and an operation part 50, commands for the activation control of the receiver 2 and the operation control of operation mode change or the like are transmitted from the viewer 4 to the receiver 2 through the communication cable 5, and the activation and operation control of the receiver 2 are made possible. Thus, the need of the operation part of the power supply switch and a jog dial in the receiver 2 is eliminated, and the receiver is miniaturized. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an in-subject information acquisition system that receives and displays a video signal transmitted wirelessly from an in-subject introduction device introduced into a subject, for example, a swallowable capsule endoscope.

  In recent years, in the field of endoscopes, capsule endoscopes equipped with an imaging function and a wireless communication function have appeared. This capsule endoscope is an observation period after it is swallowed from the subject's mouth, which is a subject for observation (examination), until it is naturally discharged from the subject's body, for example, the stomach, the small intestine, etc. The internal organs (inside the body cavity) move with the peristaltic movement, and images are sequentially captured using the imaging function.

  Also, during this observation period of moving through these organs, image data imaged in the body cavity by the capsule endoscope is sequentially transmitted to the outside of the subject by a wireless communication function such as wireless communication, and an external receiving device It is stored in a memory provided in the inside. When the subject carries the receiving device equipped with the wireless communication function and the memory function, the subject is incapable of performing the observation even during the observation period from swallowing the capsule endoscope until it is discharged. It is possible to act freely without incurring freedom. After the observation, a doctor or a nurse can make a diagnosis by displaying an image in the body cavity on a display means such as a display based on the image data stored in the memory of the receiving device.

  In general, a receiving device distributes and arranges a plurality of antennas for receiving a video signal transmitted from a capsule endoscope outside a subject, and selectively switches and receives one antenna with few video signal reception errors. Like to do. In Patent Document 1, reception switching of a plurality of antennas arranged outside the subject is performed, and capsule-type endoscopy in the subject, which is a transmission source of the video signal, based on the electric field strength received by each antenna. A receiver for detecting the position of the mirror is described.

Japanese Patent Laid-Open No. 2003-19111

  However, this receiving device includes an operation unit such as a power switch or a display screen changeover switch on the device itself, and a subject carrying this receiving device can operate these switches without permission. For example, if the power switch is turned off, the in-subject information cannot be received from the capsule endoscope, and if the change-over switch is operated, extra information is given to the subject. There was a problem of providing. Further, since these operation units are provided, the receiving apparatus cannot be reduced in size, and there is a problem that a large burden is placed on the subject when the subject carries the receiving apparatus.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an in-subject information acquisition system capable of reducing the size of the receiving device and preventing the operation of the receiving device by a subject. And

  In order to solve the above-described problems and achieve the object, an in-subject information acquisition system according to the present invention receives in-subject information including at least a video signal wirelessly transmitted from an in-subject introduction apparatus, An in-subject information acquisition system having a receiving device for displaying on a display unit, comprising: a control device that controls the receiving device; and a communication unit that enables communication between the receiving device and the control device. Controls the activation of the receiving device via the communication means.

  The in-vivo information acquiring system according to a second aspect of the present invention is the above-described invention, wherein the receiving device includes a power supply unit that supplies power to the control device, and the control device is connected to the power supply unit. It is characterized by being activated by supplied power.

  The in-vivo information acquiring system according to the invention of claim 3 is the above-described invention, wherein the control device is configured to instruct the receiving device based on an instruction means for instructing activation of the receiving device, and an instruction from the instruction means. Activation control means for controlling the activation of the reception apparatus, wherein the reception apparatus comprises activation means for activating the reception apparatus under the control of the activation control means.

  In the in-vivo information acquiring system according to a fourth aspect of the present invention, in the above invention, the control device is configured to detect a connection between the communication unit and the reception device, and a detection result of the detection unit. And an activation control unit that controls activation of the reception device, and the reception device includes activation means for activating the reception device under the control of the activation control unit.

  The in-vivo information acquiring system according to a fifth aspect of the present invention is the above-described invention, wherein the control device is based on a screen operation means for instructing a screen switching operation of the display unit and an instruction from the screen operation means. Display switching control means for switching the screen of the display section, and the receiving device further includes display switching means for switching information to be displayed on the display section by switching control of the display switching control means. It is characterized by providing.

  According to a sixth aspect of the present invention, in the in-vivo information acquiring system according to the first aspect, the control device instructs the operation of switching the operation mode of the receiving device, and an instruction from the mode operating device. And a mode switching control means for switching the operation mode of the receiving device, the receiving device further comprising a mode switching means for switching the operation mode by the switching control of the mode switching control means. It is characterized by providing.

  The in-subject information acquisition system according to a seventh aspect of the present invention is the above-described invention, wherein the receiving device outputs at least the in-subject information to the control device via the communication means, and the control device Comprises a viewer having a display unit, and displays the in-subject information transmitted from the receiving device on at least the display unit.

  Further, in the in-vivo information acquiring system according to the invention of claim 8, in the above-mentioned invention, information displayed on the display unit of the control device includes the video signal, information on the in-subject introduction device, and the receiving device. The display switching control means of the control device switches and controls the display of the display unit to display at least one of the information. It is characterized by.

  An in-subject information acquisition system according to the present invention connects a receiving device and a control device via a communication means, and performs activation control of the receiving device from the control device via the communication means, whereby the receiving device Therefore, it is possible to omit the operation unit such as the power switch and the changeover switch, and it is possible to reduce the size of the receiving device and to prevent the subject from operating the receiving device.

  Embodiments of an in-vivo information acquiring system according to the present invention will be described below in detail with reference to the drawings of FIGS. The present invention is not limited to these embodiments, and various modifications can be made without departing from the scope of the present invention.

(Embodiment 1)
FIG. 1 is a schematic diagram showing an overall configuration of an in-vivo information acquiring system according to the present invention. In FIG. 1, a wireless in-vivo information acquisition system includes a receiving device 2 having a wireless receiving function, and a body cavity image that is introduced into the subject 1 to capture data such as a video signal to the receiving device 2. A capsule endoscope (intra-subject introducing device) 3 that performs transmission is provided. In addition, the wireless in-vivo information acquiring system is configured to exchange data between the viewer 4 that displays the intra-body cavity image based on the video signal received by the receiving device 2 and the receiving device 2 and the viewer 4. And a communication cable 5 as communication means. The receiving device 2 includes a receiving jacket 2a worn by the subject 1 and an external device 2b that performs processing of received radio signals.

  Next, the configuration of the receiving apparatus will be described with reference to the schematic diagram of FIG. 2 and the block diagram of FIG. The receiving device 2 has a function of receiving image data in the body cavity that is wirelessly transmitted from the capsule endoscope 3. As shown in FIG. 2 and FIG. 3, the receiving device 2 has a shape that can be worn by the subject 1, and is received via the receiving jacket 2a including the receiving antennas A1 to An and the receiving jacket 2a. And an external device 2b for processing radio signals. The receiving antennas A1 to An may be directly attached to the outer surface of the subject (human body) 1 and may not be provided in the receiving jacket 2a, or may be detachable from the receiving jacket 2a.

  The external device 2 b transmits image data stored in the storage unit 13 described later to the viewer 4 via the connected communication cable 5. Further, an LCD 14 including a liquid crystal display as a display unit is provided on the front surface of the outer surface, and the LCD 14 displays, for example, an inspection ID. Further, a connection part CON for connecting the receiving antennas A1 to An is provided on the upper surface of the outer surface. Note that these receiving antennas A1 to An have connectors CON1 to CONn connected to the connection part CON.

  The external device 2b has a function of processing a radio signal transmitted from the capsule endoscope 3. That is, as shown in FIG. 3, the external device 2b is connected to the selector switch SW for switching the connection of each of the receiving antennas A1 to An and the reception switch connected by the selector switch SW. A receiving circuit 11 for amplifying and demodulating radio signals from the antennas A1 to An, and a signal processing circuit 12 and a sample hold circuit 15 are connected to the subsequent stage of the receiving circuit 11. An A / D converter 16 is further connected to the subsequent stage of the sample hold circuit 15.

  The control unit C includes a selection control unit C1 having a reception antenna selection control function, and includes a signal processing circuit 12, an A / D conversion unit 16, a storage unit 13 including a hard disk for storing image data, and a display unit 14. The input / output interface unit 18, the command detection circuit 19 as an activation unit, and the switching control unit SC are connected. The switching control unit SC has an intensity receiving antenna number N1 and a video receiving antenna number N2. Based on these pieces of number information, the switching control unit SC issues a switching instruction for the changeover switch SW, and also includes a sample hold circuit 15 and an A / D conversion unit. 16 and the processing timing of the selection control unit C1 are instructed. The input / output interface unit 18 is connected to the communication cable 5 via a connection unit (not shown), and inputs a command from the viewer 4 and outputs image data from the control unit C.

  The command detection circuit 19 detects a command input from the input / output interface unit 18, and based on the command, each internal device in the external device 2b, for example, the reception circuit 11, the signal processing circuit 12, the control unit C, and the switching control. The power from the power supply unit 17 is supplied to the unit SC to start each internal device of the external device 2b, and this command is output to the corresponding internal device. Execute the function.

  The command detection circuit 19 has a function as mode switching means, and switches the operation mode of the receiving device 2. For example, the command detection circuit 19 outputs information on the reception frame rate to the reception circuit 11, the signal processing circuit 12, the control unit C, and the switching control unit SC in response to a change in the reception frame rate and the operation timing. Or changing the feature extraction of the image, the change information is output to the signal processing circuit 12, and the feature extraction of the image is switched.

  The control unit C has an internal memory (not shown), and registers identification information for identifying the subject such as an examination ID input from the communication cable 5 via the input / output interface unit 18 in the internal memory. The control unit C has a function as display switching means, and switches at least a part of the identification information, for example, inspection ID, video data from the signal processing circuit 12, and information from the switching control unit SC to display the display unit 14. To display.

  Further, the control unit C has a superimposing function for superimposing signals, and superimposes information from the switching control unit SC on the video signal signal-processed by the signal processing circuit 12, and connects it to the connected input / output interface unit 18. Output. The control unit C can also superimpose identification information such as an inspection ID on the video signal and output it to the input / output interface unit 18.

  The change-over switch SW of the external device 2b outputs radio signals from the receiving antennas A1 to An to the receiving circuit 11 based on a switching instruction from the switching control unit SC. Here, the changeover switch SW has a connection part CON as an antenna switching means for connecting the reception antennas A1 to An, corresponding to the arrangement positions of the reception antennas A1 to An, respectively.

  In FIG. 3, as described above, the receiving circuit 11 amplifies the radio signal, outputs the demodulated video signal S1 to the signal processing circuit 12, and receives the received intensity signal that is the received electric field strength of the amplified radio signal. S2 is output to the sample hold circuit 15. The video data processed by the signal processing circuit 12 is stored in the storage unit 13 by the control unit C and displayed and output by the display unit 14. The signal sampled and held by the sample and hold circuit 15 is converted into a digital signal by the A / D conversion unit 16 and taken into the control unit C, and the receiving antenna that has received the highest received electric field strength is used for receiving the video signal period. In addition to selecting as an antenna, receiving antennas other than the selected receiving antenna are sequentially selected as receiving antennas in the intensity receiving period, and each receiving antenna number is set as a video receiving antenna number N2 and an intensity receiving antenna number. The signal S4 for N1 is output to the switching control unit SC. Here, the selection control unit C1 sets the reception antennas to be switched only for the reception antennas A1 to An that are currently connected based on the signal S6.

  Further, the control unit C stores the received electric field strength in the intensity receiving period and the received electric field strength in the video receiving period in the storage unit 13 together with the video data in association with the reception antenna selected at that time. The stored received electric field strength of each receiving antenna becomes information for calculating the position of the capsule endoscope 3 in the body cavity when the video data is received. Further, the control unit C superimposes the received electric field strength in the intensity reception period and the receiving antenna number corresponding to the received electric field strength on the video data by the function of the superimposing means, and communicates via the input / output interface unit 18. Send to cable 5.

  The switching control unit SC holds the strength receiving antenna number N1 and the video receiving antenna number N2 instructed by the selection control unit C1, and sets the receiving antennas A1 to An corresponding to the strength receiving antenna number N1 during the strength receiving period. The switch SW is instructed to make a selective connection, and a signal S5 instructing the changeover switch SW to make a selective connection to the receiving antennas A1 to An corresponding to the video receiving antenna number N2 during the video reception period. , A signal S3a for instructing the sample / hold timing by the sample / hold circuit 15, a signal S3b for instructing the A / D conversion timing by the A / D converter 16, and a signal S3c for instructing the selection control timing by the selection controller C1 Is output.

  The viewer 4 is a control device that is connected to the receiving device 2 via the communication cable 5 and controls the operation of the receiving device 2. That is, as shown in FIG. 2, the viewer 4 operates an LCD 41 formed of, for example, a liquid crystal display as a display unit on the outer surface, screen operation means for operating display switching of the LCD 41, and operation mode switching of the receiving device 2. It has an operation unit 50 including a display changeover switch 50a and a jog dial 50b as mode operation means, a viewer power switch 51, and a receiver power switch 52 as instruction means. The communication cable 5 is composed of a cable for communicating video signals and a composite cable having, for example, a USB or 232C cable, and can communicate various data.

  In the viewer 4, when the viewer power switch 51 is turned on by the operator, power is supplied to the internal device from the power supply unit 53, and when the receiver power switch 52 is turned on, The control unit 49 transmits an activation command for controlling activation of the reception device 2 from the input / output interface unit 54 to the reception device 2 via the communication cable 5. The command detection circuit 19 of the receiving device 2 detects a start command input from the input / output interface unit 18, and supplies power from the power supply unit 17 to each internal device in the external device 2b based on the start command. .

  Further, the control unit 49 has functions as a display switching control unit that controls screen switching of the LCD 14 of the receiving device 2 and a mode switching control unit that controls switching of the operation mode of the receiving device 2, for example, as shown in FIG. 5. As described above, the commands displayed on the LCD 41 are moved from the input / output interface unit 54 to the communication cable 5 by moving the cursor 41a with the display changeover switch 50a or the jog dial 50b and selecting screen switching or operation mode switching. Is transmitted to the receiving device 2 via. For example, in this embodiment, it is assumed that the command a shown in FIG. 5 is a command for instructing screen switching of the LCD 14 and the command b is a command for instructing operation mode switching. The commands displayed on the LCD 41 are formed in a hierarchical structure, and when one of the commands a and b is selected, a lower detailed command is displayed. In the case of screen switching, for example, as shown in FIG. 6, the screen display shown in FIG. 5 is performed on the screen of the LCD 41 at the time of A. When the command a is selected, the display of the operation unit 50 is performed next. In response to the switching instruction, the screen of the LCD 41 at the time of B is switched to a screen on which image data display, reception field strength and corresponding reception antenna information display, identification information display, or the like can be selected. Next, when any one of these is selected by the operation unit 50, the screen of the LCD 41 at the time of C is switched to a screen on which lower detailed information can be selected. In the case of switching the operation mode by selecting the command b, the screen is switched to a screen on which, for example, the change of the reception frame rate or the change of the image feature extraction can be selected.

  In this way, when the command selected hierarchically is input to the command detection circuit 19 of the receiving device 2 via the communication cable 5, the command detection circuit 19 detects the contents of each command and applies. An instruction to change the operation mode is given to the internal device.

  The viewer 4 displays and analyzes information taken from the receiving device 2 via the communication cable 5. That is, as shown in FIG. 4, the viewer 4 includes a serial / parallel converter (S / P converter) 42 that takes in a signal transmitted from the receiving device 2 and performs serial / parallel conversion. The video signal output from the conversion unit 42 is output to the image processing circuit 43. The video data processed by the image processing circuit 43 is displayed and output by the LCD 41 via the changeover switch 44.

  Information on the numbers of the receiving antennas A1 to An corresponding to the strength receiving antenna number N1 output from the serial / parallel converter 42 and information on the receiving strength corresponding to this information are output to the position information detection circuit 45. . The position information detection circuit 45 selects the receiving antenna that has received the highest received electric field strength as the receiving antenna based on the received received strength information, and sequentially selects the selected receiving antenna number as the position information. And output to the capsule position analysis unit 46.

  Based on this position information, the capsule position analysis unit 46 analyzes the position of the capsule endoscope 3 in the body cavity of the subject, and outputs information on the analysis result to the position information imaging unit 47. The position information imaging unit 47 creates an in-subject map, displays the in-subject map on the LCD 41 via the changeover switch 44, and analyzes the capsule endoscope analyzed by the capsule position analysis unit 46. The position of 3 is displayed together with the intra-subject map. The display switching between the video data and the in-subject map is performed by the control unit 49 controlling the changeover switch 44 based on an instruction from the display changeover switch 50a. In this embodiment, the position of the capsule endoscope is displayed on the viewer 4 side. However, for example, if the control unit C of the receiving device 2 has a capsule position analysis function, the position from the viewer 4 is displayed. It is also possible to display the position of the capsule endoscope on the receiving device 2 side according to a command instruction.

  The information to be displayed on the LCD 41 is not limited to the video data and the capsule endoscope position information. For example, the identification information of the subject indicating the patient ID, patient name, age, etc., the examination ID, the examination time, etc. Information on capsule endoscopes such as information on capsule inspection, information on capsule endoscope such as capsule battery remaining amount, receiving device ID, remaining battery level of power supply unit 17, reception status of wireless signal, warning issued by receiving device, etc. It is also possible to display information about the device. These pieces of information may be superimposed on the video signal and transmitted from the receiver 2 to the viewer 4 or may be registered in the viewer 4, for example, in an internal memory (not shown) of the control unit 49, and the information is designated. It is also possible to set so that at least one piece of relevant information is displayed on the LCD 41 based on the display switching instruction of the operation unit 50 that can be used.

  As described above, in this embodiment, the viewer 4 has the function of the control device that controls the operation of the receiving device 2, and various commands are transmitted from the control unit 49 to the receiving device 2 via the communication cable 5. Since the operation control of the receiving device 2 is performed, it is possible to omit an operation unit such as a power switch or a changeover switch of the receiving device, thereby reducing the number of parts of the receiving device and reducing the size of the device. The operation of the receiving device by the subject can be prevented.

(Embodiment 2)
FIG. 7 is a block diagram showing a configuration according to the second embodiment of the viewer shown in FIG. In the figure, the difference from the first embodiment is that a communication cable connection detection unit 48 as a detection means is connected to the control unit 49 instead of the power switch 52 for the reception device, and the communication cable 5 is connected to the reception device 2. By detecting this, the viewer 4 activates the receiving device 2.

  For example, as shown in FIG. 8, the communication cable connection detection unit 48 includes a contact pin 61 that is electrically connected to the constant voltage source VDD and biases the contact pin 61 to the connection unit 60 of the communication cable 5. A spring 62 that protrudes outside is provided. Further, a protrusion 22 is provided at a predetermined position of the connector 21 of the receiving device 2 opposite to the contact pin 61 of the connection portion 60, and when the connector 21 is attached to the connection portion 60, the protrusion 22 becomes the contact pin 61. In contact with each other, the contact pin 61 is pushed into the connection portion 60. By this pressing, the contact pin 61 contacts the electric circuit 63 on the constant voltage source VDD side and the electric circuit 64 on the control unit 49 side, and a detection signal is output to the control unit 49 as the activation control means. Further, when the connector 21 is removed from the connection portion 60, the contact between the projection 22 and the contact pin 61 is released, and the contact pin 61 returns to the original position by the biasing force of the spring 62. The electric circuit 64 on the side of the part 49 is not in contact, and the detection signal is not output to the control unit 49.

  When the detection signal from the communication cable connection detection unit 48 is input, the control unit 49 transmits an activation command for controlling the activation of the reception device 2 from the input / output interface unit 54 to the reception device 2 via the communication cable 5. To do. As a result, the command detection circuit 19 of the receiving device 2 as the activation unit detects the activation command input from the input / output interface unit 18, and based on the activation command, supplies power to each internal device in the external device 2b. The power from 17 can be supplied. Furthermore, various commands can be transmitted from the control unit 49 to the receiving device 2 via the communication cable 5 to control the operation of the receiving device 2.

  Thus, in this embodiment, instead of the power switch 52 for the receiving device, the communication cable connection detecting unit 48 detects that the communication cable 5 is connected to the receiving device 2, and this is used as a trigger for the control unit 49. Can control the operation of the receiving device 2, so that the operation unit such as the power switch and changeover switch of the receiving device can be omitted as in the first embodiment, thereby reducing the number of parts of the receiving device. Thus, the apparatus can be miniaturized and the operation of the receiving apparatus by the subject can be prevented.

(Embodiment 3)
Next, a case where power is supplied from the receiving device 2 to the viewer 4 in the third embodiment will be described. FIG. 9 is a block diagram showing a configuration according to the third embodiment of the receiving apparatus shown in FIG. 1, and FIG. 10 is a block diagram showing a configuration according to the third embodiment of the viewer. In these drawings, the receiving device 2 includes a power supply line 20 as power supply means for connecting the power supply unit 17 and the input / output interface unit 18, and is also connected to the power supply line 20 in the communication cable 5 to supply power. A power supply line (not shown) is provided as power supply means for supplying power from the unit 17 to the viewer 4.

  The viewer 4 also includes a power supply line 65 that connects the input / output interface unit 54 and the control unit 49, and the power supply line 65 controls the power output from the power supply unit 17 of the receiving device 2 via the communication cable 5. It supplies to the part 49. The control unit 49 is activated by this power supply, and supplies this power to the internal device to activate each internal device. As described above, the viewer 4 has a configuration in which power is supplied from the receiving device 2 via the communication cable 5. The control unit 49 is activated by this power supply, and transmits an activation command for controlling activation of the reception device 2 from the input / output interface unit 54 to the reception device 2 via the communication cable 5. As a result, the command detection circuit 19 of the reception device 2 detects the activation command input from the input / output interface unit 18, and based on this activation command, the power from the power supply unit 17 is transmitted to each internal device in the external device 2b. Can be supplied. Furthermore, various commands can be transmitted from the control unit 49 to the receiving device 2 via the communication cable 5 to control the operation of the receiving device 2.

  As described above, in this embodiment, power for starting the viewer 4 is supplied from the receiving device 2 via the feeder line, and various commands are received from the started control unit 49 via the communication cable 5. Since the operation control of the receiving device 2 is performed by transmitting to, the same effect as in the first embodiment is obtained, and the viewer 4 does not require a battery as a power supply unit, so the viewer 4 is reduced in size and weight. Can be achieved.

  The viewer originally has a wireless function and can receive video data from the capsule endoscope. Therefore, when the receiving device and the viewer are connected, a control screen for controlling the operation of the receiving device is displayed on the viewer's LCD, and when the receiving device and the viewer are not connected, the wireless function is displayed. The video data received from the capsule endoscope can be displayed on the viewer's LCD.

  It is also possible to set so that the video data received from the capsule endoscope is displayed on the LCD of the receiving device only when the receiving device is connected to the viewer. In this case, for example, the receiving apparatus may be configured to receive power supply from the viewer via a feeder line or the like, so that the receiving apparatus can be reduced in size and weight.

  Further, in this embodiment, the operation control of the receiving device is performed by the viewer, but the present invention is not limited to this. For example, when the receiving device and the capsule endoscope are capable of wireless communication in both directions, The viewer can control the command to be transmitted from the receiving device to the capsule endoscope. Further, the viewer can control the external power feeding of the capsule endoscope. -It may be lighter.

It is a schematic diagram which shows the whole structure of the in-vivo information acquisition system concerning this invention. It is a schematic diagram which shows the external appearance of the receiver and viewer shown in FIG. Similarly, it is a block diagram which shows the structure of a receiver. Similarly, it is a block diagram which shows the structure concerning Embodiment 1 of a viewer. It is a figure which shows an example of the display screen of LCD shown in FIG. It is the schematic for demonstrating switching of the display part of a viewer. FIG. 5 is a block diagram illustrating a configuration according to a second embodiment of the viewer illustrated in FIG. 1. It is a block diagram which shows the structure of the connection part containing an example of a communication cable connection detection part. FIG. 6 is a block diagram illustrating a configuration according to a third exemplary embodiment of the receiving device illustrated in FIG. 1. Similarly, it is a block diagram which shows the structure concerning Embodiment 3 of a viewer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Subject 2 Reception apparatus 2a Reception jacket 2b External apparatus 3 Capsule type endoscope 4 Viewer 5 Communication cable 11 Reception circuit 12 Signal processing circuit 13 Memory | storage part 14 Display part 15 Sample hold circuit 16 A / D conversion part 17,53 Electric power Supply unit 18, 54 Input / output interface unit 19 Command detection circuit 20, 65 Feed line 21 Connector 22 Projection 41 Display unit 41a Cursor 42 S / P conversion unit 43 Image processing circuit 44 Changeover switch 45 Position information detection circuit 46 Capsule position analysis unit 47 Imaging unit 48 Communication cable connection detection unit 49, C control unit 50 Operation unit 51 Power switch for viewer 52 Power switch for receiver 60, CON connection unit 61 Contact pin 62 Spring 63, 64 Electrical path A1 to An Reception antenna C1 Selection control unit CO N1 to CONn connector SC switch controller SW switch

Claims (8)

In the in-subject information acquisition system having a receiving device that receives in-subject information including at least a video signal wirelessly transmitted from the in-subject introduction device and displays the information on the display unit,
A control device for controlling the receiving device;
Communication means for enabling communication between the receiving device and the control device;
With
The control device includes:
An in-vivo information acquiring system that controls activation of the receiving device via the communication means. The receiving device is:
Power supply means for supplying power to the control device,
The in-vivo information acquiring system according to claim 1, wherein the control device is activated by electric power supplied from the power supply unit. The control device includes:
Instruction means for instructing activation of the receiving device;
Activation control means for controlling activation of the receiving device based on an instruction of the instruction means;
The receiving device comprises:
Activation means for activating the receiving device under the control of the activation control means,
The in-subject information acquisition system according to claim 1 or 2, further comprising: The control device includes:
Detecting means for detecting connection with the receiving device by the communication means;
Activation control means for controlling activation of the receiving device based on the detection result of the detection means;
The receiving device comprises:
Activation means for activating the receiving device under the control of the activation control means,
The in-subject information acquisition system according to claim 1 or 2, further comprising: The control device includes:
Screen operation means for instructing an operation for switching the screen of the display unit;
Display switching control means for switching the screen of the display unit based on an instruction of the screen operation means;
Further comprising
The receiving device is:
Display switching means for switching information displayed on the display unit by switching control of the display switching control means,
The in-vivo information acquiring system according to any one of claims 1 to 4, further comprising: The control device includes:
Mode operation means for instructing an operation of switching the operation mode of the receiving device;
Mode switching control means for switching the operation mode of the receiving device based on an instruction from the mode operating means;
The receiving device further comprises:
Mode switching means for switching the operation mode by switching control of the mode switching control means,
The in-subject information acquisition system according to claim 1, further comprising: The receiving device outputs at least the in-subject information to the control device via the communication means,
The control device includes a viewer having a display unit, and displays at least the in-subject information transmitted from the reception device on the display unit. The in-subject information acquisition system described. The information displayed on the display unit of the control device consists of the video signal, information about the in-subject introduction device, information about the receiving device, the position information, information about examination of the subject,
The display switching control means of the control device,
The in-subject information acquisition system according to claim 5, wherein the display unit is controlled to switch display of at least one of the information.

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