WO2006028134A1 - アンテナユニットおよびこれを用いた受信装置 - Google Patents
アンテナユニットおよびこれを用いた受信装置 Download PDFInfo
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- WO2006028134A1 WO2006028134A1 PCT/JP2005/016421 JP2005016421W WO2006028134A1 WO 2006028134 A1 WO2006028134 A1 WO 2006028134A1 JP 2005016421 W JP2005016421 W JP 2005016421W WO 2006028134 A1 WO2006028134 A1 WO 2006028134A1
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- Prior art keywords
- antenna
- unit
- receiving
- signal
- antenna unit
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/042—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00055—Operational features of endoscopes provided with output arrangements for alerting the user
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00036—Means for power saving, e.g. sleeping mode
Definitions
- the present invention relates to an antenna unit provided with a receiving antenna for receiving a radio signal including image data captured by a capsule endoscope introduced into a subject, and a receiving apparatus using the antenna unit It is about.
- a wireless in-vivo information acquiring system which is a capsule endoscope system that acquires image data in a subject imaged by an endoscope, has been developed.
- the capsule endoscope is swallowed from the subject's mouth for observation (examination) and then discharged spontaneously from the subject.
- the inside of the subject for example, the inside of an organ such as the stomach or the small intestine is moved according to the peristaltic motion, and the inside of the subject functions at a predetermined interval, for example, 0.5 seconds.
- image data picked up by the capsule endoscope is sequentially transmitted to the outside by wireless communication, and via a receiving antenna provided outside. Received by the receiving device. This receiving device reconstructs the image data based on the radio signal (which may be! / ⁇ ⁇ in some cases) sequentially received via the receiving antenna. Image data in the subject can be acquired by a mirror. This receiving apparatus sequentially stores acquired image data in a memory. The subject can freely act by carrying the receiving device having the wireless communication function and the memory function until the capsule endoscope is swallowed and the force is naturally discharged.
- the doctor or nurse takes the image data stored in the memory of the receiving device into the display device, and displays an image in the subject, for example, an organ image based on the obtained image data, on the display device display.
- a doctor or nurse can diagnose a subject using an organ image or the like displayed on a display (see, for example, Patent Document 1).
- a receiving apparatus has a plurality of antennas for receiving a high-frequency signal transmitted by capsule endoscope force distributed outside the subject (for example, the body surface), so that the high-frequency signal is transmitted. Select one antenna with few reception errors.
- a technique corresponding to a plurality of interfaces has been proposed by changing a connector for connecting a module incorporating an antenna module (Patent Document 2).
- the wireless control device for controlling the radio and the receiving device are configured separately and connected by a connection cable to receive the wireless control device and the receiving device.
- a technique for separating the device from the device is presented (Patent Document 3).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-231186
- Patent Document 2 JP 2004-118308 A
- Patent Document 3 JP-A-5-218984
- the conventional receiving apparatus demodulates the received high-frequency signal into a baseband signal, performs predetermined signal processing based on the demodulated baseband signal, obtains image data, and obtains the image data. Since the hardware configuration until the data is stored in the memory is integrated, it is necessary to change the entire receiver when changing the number of antennas according to the inspection application, or when changing the radio frequency according to the area of use. Each time these specifications are changed, labor and time are required, and there is a problem that there is no flexibility.
- the antenna and the receiving apparatus main body are connected to each other through a cord having a predetermined length. Therefore, it is desirable that the antenna and the receiver main body can be repeatedly attached and detached at any position. In this case, it is desirable to avoid a portion that is repeatedly attached and detached from becoming a high-frequency connection portion.
- an antenna (specifically, a receiving antenna) of the above-described receiving apparatus normally receives the capsule-type endoscope-powered radio signal introduced into the subject. Placed on the body surface of the subject corresponding to the movement path of the endoscope, It is electrically connected to the antenna unit of the receiving device. In this way, the process of acquiring the image data of the subject using the receiving antenna is repeated, and as the number of times the receiving antenna is used increases, the cable that electrically connects the receiving antenna and the antenna unit gradually deteriorates. In addition, this cable may break. In this case, it is difficult to normally receive a radio signal of capsule endoscope force introduced into the subject.
- the conventional antenna unit described above has a configuration capable of recording the number of times the receiving antenna is electrically connected via a cable. It is difficult to check whether the receiving antenna exceeds the usage limit. For this reason, when performing a work of receiving a radio signal from the capsule endoscope in the subject, there is a risk of using a receiving antenna in a state where the radio signal cannot be normally received due to, for example, a cable disconnection. there were.
- the present invention has been made in view of the above circumstances, and has as its first object to provide a receiving device that can cope with various specifications with a simple configuration.
- the second object is to provide a receiving device that can suppress deterioration of the connector due to repeated attachment and detachment of information, and it is possible to record information on the usage history of all the receiving antennas held by all of these receiving antennas.
- a third object is to provide an antenna unit that can easily confirm whether or not the power is in a state where it can be normally received, and a receiver using the antenna unit.
- a receiving apparatus receives a radio signal including in-subject information transmitted by a transmitting apparatus introduced into the subject.
- An antenna unit for demodulating the radio signal received via the receiving antenna into a baseband signal; and detachable from the antenna unit, wherein the antenna unit is based on at least the baseband signal.
- a receiving device main body for acquiring in-subject information.
- the antenna unit includes a demodulator that demodulates the radio signal into a baseband signal, and a demodulator of the demodulator. And a demodulation control means for controlling the logic.
- a receiving apparatus is characterized in that, in the above invention, the antenna unit and the receiving antenna are integrally connected.
- the antenna unit includes a binary key means for binarizing the baseband signal, and the binary key. And binary-rich control means for performing control to output a binary-rich signal binarized by the means to the receiver main body.
- the reception antenna includes a plurality of reception antennas, and the antenna unit performs switching to selectively switch one reception antenna from the plurality of reception antennas.
- signal strength detecting means for detecting the signal strength of the radio signal received by the plurality of receiving antennas.
- the antenna unit includes switching control means for performing switching control of the switching means based on the signal strength detected by the signal strength detection means. It is characterized by having.
- the demodulation control means is configured to operate at least the operation of the demodulation means when the signal strength detected by the signal strength means does not satisfy a predetermined condition. Is controlled to stop for a predetermined time.
- the antenna unit performs AD conversion on a signal corresponding to the signal strength output by the signal strength detection means.
- a conversion means is provided.
- the antenna unit according to the present invention is detachably electrically connected to a receiving apparatus body that stores image data captured by a capsule endoscope introduced into the subject, It has one or more receiving antennas that perform wireless communication with the capsule endoscope, and the image data received through any one of the one or more receiving antennas is transmitted to the receiving device main body. It is characterized by comprising storage means for transmitting and storing up-to-date usage history information relating to the usage history of the receiving antenna.
- the antenna unit according to the present invention is the use history information. Used frequency information indicating the number of times the receiving antenna is used, usage time information indicating the usage time of the receiving antenna, disconnection presence / absence information indicating whether the receiving antenna is disconnected, and disconnection inspection processing for the receiving antenna. It includes at least one inspection inspection history information indicating an execution history.
- the antenna unit according to the present invention is characterized in that, in the above invention, the storage means is a nonvolatile memory.
- a receiving device is detachably electrically connected to the antenna unit according to any one of the above inventions and the subject via the antenna unit.
- the receiving apparatus body includes control means for controlling the storage means to store the use history information. It is characterized by that.
- control means controls driving of the receiving device body that receives the image data, and drives the receiving device body.
- the use count information in the storage means is updated each time control is started.
- control unit controls driving of the receiving apparatus body that receives the image data, and drives the receiving apparatus body.
- the force is started and the use time information in the storage means is updated every time a predetermined unit time elapses.
- control means reads the use history information in the storage means before starting the driving of the receiving apparatus main body. And determining whether to start controlling the driving of the receiving apparatus main body based on the contents of the read usage history information.
- the receiving device is characterized in that the control means is the one or more based on the reception results of one or more receiving antennas held by the antenna unit.
- a disconnection inspection process for inspecting whether or not the power is in a state where at least one of the receiving antennas is disconnected is performed.
- the storage means Control when the control means determines that at least one of the one or more receiving antennas is disconnected, the storage means Control is performed so that information indicating that the disconnected state is stored as the disconnection presence / absence information.
- control unit performs the disconnection inspection process based on the use frequency information in the storage unit.
- the number of times of use of the receiving antenna is detected, and the storage means is controlled to store information indicating the detected number of times of use as the examination execution history information.
- the receiving device includes display means for displaying warning information about the antenna unit, and the control means is based on the contents of the read usage history information.
- the display means is controlled to display the warning information.
- the warning information warns that at least one of the one or more receiving antennas of the antenna unit is disconnected. Information for warning that the antenna unit needs to be replaced, or information for warning that the antenna unit needs to be replaced.
- an antenna unit having a demodulation unit that demodulates a received radio signal into a baseband signal and a demodulation control unit that controls demodulation processing of the demodulation unit, and transmission based on at least the baseband signal And a receiving device body that performs processing for obtaining information, and the antenna unit is detachable from the receiving device body, so that it is possible to realize a receiving device that can easily cope with various specifications with a simple configuration.
- the antenna unit since the antenna unit has a function of demodulating a radio signal, an antenna unit that forms a receiving device that does not cause deterioration due to a high-frequency connection; There exists an effect that attachment / detachment with a receiver main part can be performed repeatedly.
- the present invention it is possible to record information on the usage history of all the received antennas for each unit, and it is easy to determine whether or not all these received antennas can receive radio signals normally. If an antenna unit that can be confirmed and a receiving apparatus using the antenna unit can be realized, the effect is obtained.
- FIG. 1 is a schematic diagram showing a configuration example of a wireless in-vivo information acquiring system using the receiving apparatus according to the first embodiment of the present invention.
- FIG. 2 is a block diagram showing a schematic configuration of the receiving apparatus according to the first embodiment of the present invention.
- FIG. 3 is a flowchart showing the operation of the demodulation control unit according to the first embodiment of the present invention.
- FIG. 4 is a block diagram showing a schematic configuration of the receiving apparatus according to the second embodiment of the present invention.
- FIG. 5 is a flowchart showing the operation of the control unit according to the second embodiment of the present invention.
- FIG. 6 is a block diagram showing a schematic configuration of the receiving apparatus according to the third embodiment of the present invention.
- FIG. 7 is a flowchart showing the operation of the control unit according to the third embodiment of the present invention.
- FIG. 8 is a schematic diagram showing a configuration example of a wireless in-vivo information acquiring system using the receiving apparatus according to the fourth embodiment of the present invention.
- Fig. 9 is a cross-sectional view showing the appearance of the receiving apparatus according to the fourth embodiment of the present invention.
- FIG. 10 is a block diagram showing a schematic configuration of the receiving apparatus according to the fourth embodiment of the present invention.
- FIG. 11 is a block diagram showing a schematic configuration of a receiving apparatus according to Embodiment 5 of the present invention.
- FIG. 12 is a block diagram showing a schematic configuration of the receiving apparatus according to the sixth embodiment of the present invention.
- FIG. 13 is a schematic diagram schematically illustrating a configuration example of a wireless in-vivo information acquiring system using the receiving device according to the seventh embodiment of the present invention.
- FIG. 14 is a schematic view schematically illustrating a state in which a receiving apparatus is configured using an antenna unit and a receiving apparatus main body.
- FIG. 15 is a block diagram schematically illustrating a configuration example of an antenna unit according to Embodiment 7 of the present invention and a receiving apparatus using the antenna unit.
- FIG. 16 is a flowchart illustrating a processing procedure for starting drive control in an image reception mode based on a result of confirming antenna history information.
- FIG. 17 is a flowchart illustrating a processing procedure of a disconnection inspection process in a disconnection inspection mode.
- FIG. 1 is a schematic diagram showing an overall configuration of a wireless in-vivo information acquiring system using the receiving device 2 according to the present invention.
- this wireless in-vivo information acquisition system includes a plurality of antennas Al to An having a wireless reception function, a receiving device 2 connecting the plurality of antennas A1 to An, and the body of the subject 1.
- a capsule endoscope 3 that captures an image of a body cavity and transmits image data and the like to the receiving device 2 by a high-frequency signal (wireless signal).
- a capsule endoscope 3 is introduced into the subject 1 and has an imaging function for capturing an image in the subject 1, and image data is transmitted to the outside of the subject 1 via a predetermined radio wave.
- the in-specimen information acquisition system is based on the image data received by the receiving device 2, and is a display device 4 that displays an image in the body cavity, and a portable device for transferring data between the receiving device 2 and the display device 4. And a mold recording medium 5.
- the receiving device 2 connects a plurality of antennas Al to An, and performs processing of radio signals received via the plurality of antennas Al to An and the radio signals processed by the antenna unit 2a.
- a receiving device main body 2b for acquiring image data is provided, and the antenna unit 2a and the receiving device main body 2b are connected by a connector 2c.
- the capsule endoscope 3 has an imaging function for imaging the inside of the subject 1 and a wireless communication function for transmitting image data obtained by imaging the inside of the subject 1 to the receiving device 2.
- the capsule endoscope 3 passes through the esophagus in the subject 1 by being swallowed by the subject 1, and advances in the body cavity by the peristalsis of the digestive tract cavity. At the same time, the capsule endoscope 3 sequentially captures images in the body cavity of the subject 1 and sequentially transmits the obtained image data in the subject 1 to the receiving device 2.
- the display device 4 is for displaying an image or the like in the subject 1 imaged by the capsule endoscope 3, and is based on data obtained through the portable recording medium 5, for example. And has a configuration such as a workstation for displaying an image. Specifically, the display device 4 may be configured to directly display an image using a CRT display, a liquid crystal display, or the like, or may be configured to output an image to another medium such as a printer. Further, the display device 4 has a processing function for making a diagnosis based on an image of an organ or the like in the subject by the doctor- or nurse-powered capsule endoscope 3.
- the portable recording medium 5 is detachable from the receiving device main body 2b and the display device 4, and has a structure capable of outputting or recording information when being inserted into both.
- the portable recording medium 5 is a portable recording medium such as compact flash (registered trademark) or smart media, and the capsule endoscope 3 moves inside the body cavity of the subject 1! / While speaking, the data transmitted from the capsule endoscope 3 is recorded by being inserted into the receiver 2b. Then, after the capsule endoscope 3 is ejected from the subject 1, that is, after the imaging of the inside of the subject 1 is finished, the capsule endoscope 3 is taken out from the receiving device body 2b and inserted into the display device 4 to display it.
- Device 4 has a configuration for reading recorded data.
- a portable recording medium 5 is used to transfer data between the receiving device main body 2b and the display device 4, and the receiving device main body 2b and the display device 4 are connected by wire.
- the subject 1 can move freely during imaging in the body cavity, and also contributes to shortening the data transfer period with the display device 4.
- the portable recording medium 5 is used to exchange data between the receiver main body 2b and the display device 4, but the present invention is not limited to this.
- a device may be used so that both sides are wired or wirelessly connected to exchange data with the display device 4.
- FIG. 2 is a block diagram showing a schematic configuration of the receiving apparatus according to the first embodiment of the present invention.
- the receiving device 2 includes an antenna unit 2a to which the plurality of antennas Al to An described above are connected and a receiving device body 2b. Such an antenna unit 2a and the receiving device body 2b are connected by a connector 2c.
- the antenna unit 2a includes a demodulation control unit 20 and a demodulation unit 21, and demodulates the received high-frequency signal into a baseband signal S2. ing. Therefore, the receiver main unit 2b receives the same baseband signal S2 by exchanging the antenna unit 2a even when the number of antennas is changed or when receiving with a different radio frequency. it can.
- the antenna unit 2a includes a plurality of antennas Al to An, an antenna switching unit 23 for switching antennas, a demodulating unit 21 for demodulating high-frequency signals received via the antenna switching unit 23, and a demodulating unit 21 A signal that detects the signal strength of the high-frequency signal input from the demodulation control unit 20 that controls the demodulation operation and the antenna switching unit 23 (that is, the reception strength of the radio signal received by one of the plurality of antennas Al to An).
- An intensity detector 22, a switch 24 that outputs a high-frequency signal input through the antenna switching unit 23 to either the demodulator 21 or the terminal 25, and a terminal 25 connected to the switch 24 are provided. By switching the switch 24 and monitoring the high-frequency signal at the terminal 25, the failure location of the antenna unit 2a can be diagnosed.
- the antenna switching unit 23 of the antenna unit 2a outputs a high-frequency signal received via the plurality of antennas Al to An to the signal strength detection unit 22, and the signal strength detection unit 22 receives the signal.
- the signal strength of the high frequency signal is detected, and the antenna strength signal S1 is output to the receiver main body 2b.
- the antenna switching unit 23 receives the switching signal SB, switches to one antenna from the plurality of antennas Al to An, and outputs a high-frequency signal received by the switched antenna to the demodulation unit 21 via the switch 24.
- the demodulator 21 demodulates the high-frequency signal into the baseband signal S2 based on the control signal SA input from the demodulation controller 20, and outputs the baseband signal S2 to the receiver main body 2b.
- the demodulation control unit 20 receives the control signal SD from the receiving device body 2b, and controls the demodulation operation of the demodulation unit 21 by the control signal SA when the control signal SD instructs to start.
- the switching operation of the switch 24 is controlled by the control signal SC, and the high-frequency signal input via the antenna switching unit 23 is switched between the demodulating unit 21 side and the terminal 25 side and output.
- the receiving device main body 2b receives the baseband signal S2 demodulated by the antenna unit 2a, converts the baseband signal S2 into a digital signal, and performs a signal processing 29 that performs signal processing to generate image data.
- a storage unit 28 that stores the image data
- a display unit 27 that displays and outputs various types of information
- a control unit 26 that controls each unit described above and performs drive control on the antenna unit 2a.
- the control unit 26 of the receiving apparatus main body 2b outputs a switching signal SB to the antenna unit 2a based on the input antenna strength signal S1, and controls the antenna switching operation by the antenna switching unit 23. Further, the control unit 26 outputs the control signal SD to the antenna unit 2a, starts the demodulation operation by the demodulation unit 21, acquires the image data from the output of the signal processing unit 29, and outputs the image signal SS1 to the display unit 27. At the same time, the data signal SS2 including the image data is output to the storage unit 28.
- the display unit 27 receives the image signal SS1 and displays the image data
- the storage unit 28 receives the data signal SS2 and stores the image data.
- the demodulation control unit 20 inputs the control signal SD from the control unit 26 provided in the receiving apparatus main body 2b (step S101).
- the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21 (step S102), starts the demodulation operation of the demodulation unit 21 and performs demodulation control.
- the demodulator 21 demodulates the high-frequency signal input via the antenna switch 23 and outputs a baseband signal S2.
- the demodulation control unit 20 receives the antenna strength signal S1 from the signal strength detection unit 22 (step S103), and determines whether the signal strength of the antenna strength signal S1 is equal to or greater than a predetermined threshold Sth (step S103). S104). If the signal strength of the antenna strength signal SI is greater than or equal to the threshold value St h (step S104, Yes), the demodulation control unit 20 continues the demodulation control and whether or not the control signal SD instructing start / stop is input from the control unit 26 (Step S105). When the control signal SD instructing start / stop is input from the control unit 26 (step S105, Yes), the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21 (step S106). The demodulation operation is terminated.
- the demodulation control unit 20 measures a time T1 when the antenna strength signal S1 is not equal to or greater than the threshold value Sth, and the time T1 is equal to the predetermined threshold value. It is determined whether or not the force is greater than or equal to time Tth (step S107). When the time T1 is equal to or greater than the threshold time Tth (step S107, Yes), the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21 and performs power down for a predetermined time (step S108). Therefore, the demodulator 21 does not perform the demodulation operation for this predetermined time, and can save power.
- the antenna unit 2a includes the demodulation control unit 20 and the demodulation unit 21, and outputs the demodulated baseband signal S2 to the reception device main body 2b.
- the receiving device main body 2b When the device 2 is used by changing the number of antennas corresponding to the change in the condition of the subject 1, by replacing the antenna unit 2a with the number of antennas corresponding to the change in the situation, the receiving device main body 2b The same can be used.
- the same receiving device body 2b is used by replacing the antenna unit 2a with the changed radio frequency. it can.
- the receiving device 2 is detachably separated into the antenna unit 2a and the receiving device main body 2b, and each antenna unit 2a itself is provided by the demodulation control unit 20 corresponding to the demodulation unit 21. Since demodulation control is performed and communication connection can be established with the common baseband signal S2 to the receiver main unit 2b, the versatility of the receiver main unit 2b with respect to the antenna unit 2a of various specifications is enhanced, and various specifications can be easily handled. And the configuration of the receiver 2b side It becomes simple.
- the demodulation control unit 20 powers down the demodulation unit 21 when the signal strength of the received high-frequency signal is less than a predetermined strength and continues for a predetermined time or longer. And the operating time of the receiving device 2 can be extended.
- the switching operation of the switch 24 may be performed manually by the force that was performed by the control signal SC from the receiving device main body 2b. Further, the demodulation control unit 20 inputs the force baseband signal S2 that was designed to power down the demodulation unit 21 based on the signal strength of the antenna strength signal S1, and based on the level of the baseband signal S2. Alternatively, power down may be performed.
- the demodulation control unit 20 is arranged in the antenna unit 2a and the antenna unit 2a performs the demodulation control.
- a binary signal that is converted into a digital baseband signal is used.
- An eaves part is provided, and a control unit for the binary eaves part is also provided on the antenna unit 20a side.
- FIG. 4 is a block diagram of a schematic configuration of the receiving device 2A according to the second embodiment.
- the receiving apparatus 2A includes an antenna unit 20a instead of the antenna unit 2a of the receiving apparatus 2 according to the first embodiment described above, and includes a receiving apparatus body 20b instead of the receiving apparatus body 2b. Have.
- Such an antenna unit 20a and the receiving device main body 20b are detachably connected by the connector 20c as in the case of the connector 2c described above.
- the antenna unit 20a further includes a binarization unit 31 that converts the analog baseband signal S2 output from the demodulation unit 21 into a digital baseband signal SE, and also provides a binary value for the binary input unit 31.
- a binary key control unit 30 for performing key control is further provided.
- control unit 32 controls the demodulation control unit 20 and the binarization control unit 30 in an integrated manner.
- the input baseband signal is a digital baseband signal SE. Therefore, signal processing is performed to generate image data as it is without binarization.
- Other configurations are the same as those of receiving apparatus 2 shown in the first embodiment, and the same components are denoted by the same reference numerals.
- the antenna unit 20a and the receiving device main body 20b are communicatively connected with the digital baseband signal SE, so that it is relatively unaffected by noise and good image data can be obtained. Can be generated.
- control unit 32 inputs the control signal SD for the force of the receiving device body 20b (specifically, the control unit 36) (step S201).
- control signal SD instructs start-up
- the control unit 32 outputs the control signal SA to the demodulation unit 21 and also outputs the control signal SA1 to the binary key unit 31 (step S202).
- the demodulation control unit 20 starts the demodulation operation of the demodulation unit 21 by outputting the control signal SA to the demodulation unit 21, and the binarization control unit 30 causes the binary signal unit 31 to control the control signal SA1. Is output to start the binary key operation of the binary key unit 31.
- the demodulator 21 demodulates the high frequency signal input via the antenna switching unit 23 and outputs the baseband signal S 2 to the binary key unit 31.
- the demodulation control unit 20 receives the antenna strength signal S1 from the signal strength detection unit 22 (step S203), and determines whether the signal strength of the antenna strength signal S1 is greater than or equal to a predetermined threshold Sth (step S204). ). When the signal strength of the antenna strength signal SI is equal to or greater than the threshold value Sth (step S204, Yes), the demodulation control unit 20 continues the demodulation control and determines whether or not the control signal SD instructing start / stop is input. (Step S205).
- Step S205 When the control unit 32 inputs the control signal SD instructing start / stop (Step S205, Yes), the control unit 32 outputs the control signal SA to the demodulation unit 21 and outputs the control signal SA1 to the binary key unit 31 (Step S205). S206).
- the demodulation control unit 20 ends the demodulation operation of the demodulation unit 21 by outputting the control signal SA to the demodulation unit 21, and the binarization control unit 30 sends the control signal SA1 to the binary key unit 31. Is output to end the binary key operation of the binary key unit 31.
- the control unit 32 counts the time T1 when the antenna strength signal S1 is not equal to or greater than the threshold value Sth. Judgment is made on whether or not the force is greater than or equal to a predetermined threshold time Tth (Steps S207).
- the demodulation control unit 20 When the time Tl is equal to or greater than the threshold time Tth (step S207, Yes), the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21 to perform power down for a predetermined time, and at the same time, the binarization control unit 30 outputs the control signal SA1 to the binary key unit 31 and performs power-down for a predetermined time (step S208).
- the antenna unit 20a binarizes the demodulated baseband signal S2 and outputs the digital signal SE to the receiver main body 20b. Therefore, the antenna unit 20a and the receiver main body Communication with digital baseband signal SE Connected to 20b. Good image data with little noise can be acquired. Also in this case, since the binary key control unit 30 is provided on the antenna unit 20a side, the general purpose of the receiver main body 20b for the antenna unit 20a of various specifications is the same as in the case of the first embodiment described above. As a result, the configuration of the receiver main body 20b is simplified, and the versatility of the receiver can be increased.
- power down processing is performed using the antenna strength signal S1, but power down processing is performed using a fixed pattern included in the digital baseband signal SE. Also good. Further, the power down process of the demodulator 21 and the power down process of the binarizer 31 may be performed separately.
- the antenna unit 2a, 20a force is the force that has recovered the high-frequency signal into the baseband signal S2, SE.
- the antenna switching control is further performed on the antenna unit side. I have to.
- FIG. 6 is a block diagram showing a schematic configuration of receiving apparatus 2B according to the third embodiment.
- the receiving device 2B has an antenna unit 21a instead of the antenna unit 20a of the receiving device 2A according to the second embodiment described above, and has a receiving device body 21b instead of the receiving device body 20b.
- the antenna unit 21a and the receiving device main body 21b are detachably connected by the connector 21c as in the case of the connector 20c described above.
- the antenna unit 21a is further provided with a switching control unit 40 that performs switching control of the antennas A1 to An based on the antenna strength signal S1 detected by the signal strength detection unit 22.
- the switching unit 23 switches the antennas Al to An in accordance with the switching signal SB1 from the switching control unit 40.
- the control unit 46 on the receiving device body 21b side does not perform the switching control corresponding to the switching control unit 40.
- Other configurations are the same as those of the second embodiment, and the same components are denoted by the same reference numerals.
- the control unit 42 inputs a control signal SD from the receiving device body 21b (specifically, the control unit 46) (step S301).
- the switching control unit 40 inputs the antenna strength signal S1 from the signal strength detection unit 22 (step S302), and a plurality of antennas Al are based on the antenna strength signal S1.
- a switching signal SB1 for selecting the antenna having the strongest reception intensity from ⁇ An is output (step S303).
- the demodulation control unit 20 starts the demodulation operation of the demodulation unit 21 by the control signal SA, and the binarization control unit 30 starts the binary operation of the binary display unit 31 by the control signal SA1 (step S 304).
- the Demodulation unit 21 receives and demodulates the high-frequency signal via the antenna switched by switching control unit 40 and outputs baseband signal S 2 to binary key unit 31.
- the demodulation control unit 20 receives the antenna strength signal S1 from the signal strength detection unit 22 (step S305), and determines whether the signal strength of the antenna strength signal S1 is greater than or equal to a predetermined threshold Sth (step S306). .
- the switching control unit 40 determines whether or not the antenna strength signal S1 is greater than or equal to the predetermined threshold value Sthl (step S307). ).
- the demodulation control unit 20 continues the demodulation control and determines whether or not the control signal SD that instructs the start / stop from the control unit 46 is input. (Step S308).
- the control unit 42 outputs the switching signal SB1 to the antenna switching unit 23, and outputs the control signal SA to the demodulation unit 21.
- SA1 is output to the binary key 31 (step S309).
- the switching control unit 40 ends the switching operation of the antenna switching unit 23 by outputting the switching signal SB1 to the antenna switching unit 23, and the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21.
- the demodulation operation of the demodulation unit 21 is terminated, and the binarization control unit 30 controls the binarization unit 31.
- the control signal SA1 the binary key operation of the binary key unit 31 is terminated.
- the demodulation control unit 20 counts the time T1 when the antenna strength signal S1 is not equal to or greater than the threshold value Sth. It is determined whether or not T1 is greater than or equal to a predetermined threshold time Tth (step S310). When the time Tl is equal to or greater than the threshold time Tth (step S310, Yes), the demodulation control unit 20 outputs the control signal SA to the demodulation unit 21, powers down the demodulation unit 21 for a predetermined time, and performs binarization control. Unit 30 outputs control signal SA1 to binarization unit 31, and powers down binarization unit 31 for a predetermined time (step S311).
- the switching control unit 40 performs the switching control of the antenna by repeating the above-described processing procedure after step S302.
- the switching control unit 40 is further provided on the antenna unit 21a side, and the switching control unit 40 controls the switching operation of the antenna switching unit 23 based on the antenna strength signal S1. Therefore, it is possible to enjoy the effects of the second embodiment described above, and on the receiving device main body 21b side, it is not necessary to perform various control settings in accordance with the change in the number of antennas. Can be simplified and can be shared.
- the determination as to whether or not to perform power-down is performed prior to the determination of antenna switching. Determination of whether or not to perform power-down determination as to antenna switching. You can do it before you!
- the determination as to whether or not to perform power-down and the determination of antenna switching are performed using different criteria, but the determination is performed using the same criteria. A little.
- FIG. 8 is a schematic diagram showing an overall configuration of a wireless in-vivo information acquiring system using a receiving apparatus that is effective in the present invention. As shown in FIG.
- this wireless in-vivo information acquisition system is introduced into the body of a subject 1 and a plurality of antennas 105 having a wireless reception function, a receiving device 101 connecting the plurality of antennas 105, and the like.
- the capsule endoscope 3 includes a capsule endoscope 3 that captures an image of a body cavity and transmits image data and the like to the receiving apparatus 101 using a high-frequency signal.
- the wireless in-vivo information acquiring system performs display data transfer between the display device 4 and the display device 4 for displaying the in-vivo image based on the image data received by the reception device 101.
- a portable recording medium 5 5.
- the receiving apparatus 101 connects a plurality of antennas 105 and receives image data based on an antenna unit 101b that demodulates a high-frequency signal received through the plurality of antennas 105 and a baseband signal demodulated by the antenna unit 101b.
- the receiving apparatus main body 101a is obtained, and the antenna unit 101b and the receiving apparatus main body 101a are connected by a connector 101c.
- the display device 4 displays an image (for example, an in-vivo image) in the subject 1 captured by the capsule endoscope 3.
- the portable recording medium 5 is for transferring data between the receiving device and the display device 4 of the wireless in-vivo information acquiring system according to the present invention.
- the portable recording medium 5 is detachable from the receiving device main body 101a and the display device 4, and the capsule endoscope 3 is moving in the body cavity of the subject 1. Then, data that is inserted into the receiving apparatus main body 101a and transmitted from the force-push endoscope 3 is recorded.
- the capsule endoscope 3 is ejected from the subject 1, that is, after the imaging of the inside of the subject 1 is finished
- the portable recording medium 5 is taken out from the receiver main body 101a and displayed on the display device.
- the recorded data is read out by the display device 4.
- the receiving apparatus main body 101a and the display apparatus 4 are connected by wire.
- the subject 1 can move freely during imaging in the body cavity, and also contributes to shortening the data transfer period with the display device 4.
- the portable recording medium 5 is used for data transfer between the receiving device main body 101a and the display device 4, but the receiving device main body is not necessarily limited to this. It is also possible to use another built-in recording device for 101a and to connect both of them with a wired or wireless connection in order to exchange data with the display device 4.
- the receiving apparatus 101 includes a receiving apparatus main body 101a and an antenna unit 101b.
- the antenna unit 101b is electrically connected to the receiving apparatus main body 101a by a connector 101c and is physically fixed. .
- the antenna unit 101b connects a plurality of antennas 105, and the plurality of antennas 105 are fixed to the subject 1 (not shown). In this case, since the antenna unit 101b and the plurality of antennas 105 are integrally connected, the plurality of antennas 105 are not detachable from the antenna unit 101b.
- the antenna unit 101b when replacing the plurality of antennas 105 of the receiving apparatus 101 with another one, the antenna unit 101b is removed from the receiving apparatus main body 101a, and the plurality of antennas 105 are replaced together with the antenna unit 101b.
- the connector 101c is composed of a plug and a socket, one of which is attached to the antenna unit 101b and the other is attached to the receiving apparatus main body 101a.
- the antenna unit 101b can be easily detached from the receiving apparatus main body 101a via the connector 101c.
- the antenna unit 101b connects a plurality of antennas 105, inputs a switching signal S14, and selectively switches the antenna from one of the plurality of antennas 105 to one. 110b, a demodulating unit 11 lb that demodulates a high-frequency signal received via the antenna switching unit 110b, and a baseband signal demodulated by the demodulating unit 11 lb.
- a synchronization detection signal S 12 is detected by detecting a synchronization signal composed of a vertical synchronization signal and a horizontal synchronization signal based on the baseband signal demodulated by the demodulation unit 11 lb and the binary key 112b that outputs the signal SI 1.
- the signal strength of the high-frequency signal received by the antenna 105 via the antenna detection unit 113b and the antenna switching unit 110b (that is, the reception strength of the radio signal received by one of the plurality of antennas 105) ) And detected The signal strength detector 114b that outputs the antenna strength signal S13 corresponding to the signal strength and the power supply from the receiving device body 10la by the electrical signal S15 to supply power to each functional unit in the antenna unit 1 01b Antenna unit power supply 115b.
- the receiving apparatus main body 101a inputs the binarized signal S11 and the synchronization detection signal S12 and receives the image signal.
- the signal processing unit 11 la that performs processing for obtaining a signal
- the AZD conversion unit 112a that receives the antenna strength signal S 13 that is an analog signal and converts it into a digital signal
- the image signal obtained by the signal processing unit 11 la A control unit 110a that inputs and acquires image data, a display unit 113a that is connected to the control unit 110a and displays image data simply, and a storage unit 114a that is connected to the control unit 110a and stores image data
- a receiver main body power supply 115a for supplying power to each function unit in the receiver main body 101a and supplying power to the antenna unit 101b.
- the control unit 110a includes an antenna selection unit 150 that performs switching control of the antenna switching unit 110b by outputting the switching signal S14 based on the digital signal output from the AZD conversion unit 112a.
- the antenna selection unit 150 performs antenna switching based on the signal strength of the high-frequency signal detected by the signal strength detection unit 114b, that is, the reception strength of the radio signal received via any one of the plurality of antennas 105.
- the switching operation of the plurality of antennas 105 by the unit 110b is controlled, and the antenna having the strongest reception strength (that is, the antenna suitable for receiving radio signals) is selected from the plurality of antennas 105.
- the antenna selection unit 150 outputs a switching signal S14 for driving and controlling the antenna switching unit 110b to switch to the antenna selected in this way.
- the connector 101c removably connects the antenna unit 101b and the receiving apparatus main body 101a, and forms a signal transmission path between the antenna unit 101b and the receiving apparatus main body 101a. Specifically, the connector 101c physically couples the antenna unit 101b and the receiving apparatus main body 101a and electrically connects the antenna unit 101b and the receiving apparatus main body 101a so that the binarized signal Sl l and the synchronization detection are detected. Transmit signal S12, antenna strength signal S13, switching signal S14, and electrical signal S15. In this case, since the signal transmitted by the connector 101c is a low frequency signal, a low frequency connector is used as the connector 101c. For this reason, it is difficult for noise to enter from this connector 101c.
- the receiving apparatus main body 101a can input the binarized signal Sl1, the synchronization detection signal S12, and the antenna strength signal SI3 with little noise, and as a result, can obtain good image data with little noise. Further, a multi-pin type connector can be used as the connector 101c, and the fixing of the antenna unit 101b and the receiving apparatus main body 101a can be simplified.
- Low frequency signal connector 101c has a high frequency signal connector Compared to the above, it is simpler and has the advantage that it has a long life that hardly deteriorates even when it is repeatedly attached and detached.
- the receiving apparatus 101 separates the demodulating antenna unit 101b from the receiving apparatus main body 101a for acquiring image data, and the both can be attached and detached by a low frequency signal connector 101c. Therefore, it is possible to suppress deterioration of the connector due to repeated attachment and detachment of the antenna unit and the receiver main body, and there is little noise on the receiver main body 101a side where it is difficult for noise to enter from the connector 101c. Good image data can be acquired.
- the antenna unit 101b and the receiver main body 101a are separated, and the signal is transmitted by the low frequency connector 101c.
- the signal is transmitted by the photo power bra.
- the antenna unit and the receiving device main body are provided with separate notches.
- FIG. 11 is a block diagram of a schematic configuration of the receiving apparatus 102 according to the fifth embodiment.
- this receiving apparatus 102 has an antenna unit 102b instead of the antenna unit 101b of the receiving apparatus 101 according to the fourth embodiment described above, and the receiving apparatus main body instead of the receiving apparatus main body 101a. 102a.
- an AZD conversion unit 117b is disposed after the signal intensity detection unit 114b, and light emitting diodes 120a, 120c, 120e, and a photodiode 120g are disposed.
- the receiver main body 102a includes photodiodes 120b, 120d, 120f and a light emitting diode 120h.
- the antenna unit 102b includes an antenna unit battery 118b that drives each functional unit of the antenna unit 102b in place of the antenna unit power source 115b described above, and the receiver main body 102a is connected to the receiver main body power 115a described above. Instead, a receiver main body battery 118a for driving each functional unit of the receiver main body 102a may be provided.
- Other configurations are the same as those of the fourth embodiment, and the same components are denoted by the same reference numerals.
- Each light emitting diode 120a, 120c, 120e, 120h and each photodiode 120b, 120d, 120f, 120g form a photopower plastic.
- Such a photocoupler transmits signals between the antenna unit 102b and the receiver main body 102a using light as a medium. It functions as a signal transmission means between the unit 102b and the receiver main body 102a, and insulates the antenna unit 102b and the receiver main body 102a without being electrically connected.
- the binary key signal S11 output from the binary key unit 112b is transmitted to the signal processing unit 111a by a photocoupler formed by the light emitting diode 120a and the photodiode 2b.
- the synchronization detection signal S12 output from the synchronization detection unit 113b is transmitted to the signal processing unit 11la by a photocoupler formed by the light emitting diode 120c and the photodiode 120d.
- the AZD converter 117b converts the detection signal (antenna strength signal) detected by the signal intensity detector 114b into a digital signal S16.
- the digital signal S16 is generated by the light emitting diode 120e and the photodiode 120f.
- the switching signal S14 output from the antenna selection unit 150 in the control unit 110a is transmitted to the antenna switching unit 110b by a photocoupler formed by the light emitting diode 120h and the photodiode 120g.
- such an antenna unit 102b and the receiving device main body 102a are provided with a connecting portion (not shown) force S for detachably connecting the housings of both, for example.
- the antenna unit 102b and the receiver main body 102a are in a state in which the light-emitting diodes 120a, 120c, 120e, 120h and the photodiodes 120b, 120d, 120f, 120g can form a photo power bra by a powerful connection.
- the antenna unit 102b and the receiving device main body 102a are individually provided with batteries (specifically, the antenna unit battery 118b and the receiving device main body battery 118a) for driving each functional unit.
- the light emitting diodes 120a, 120c, 120e, 120h and the photodiodes 120b, 120d, 120f, 120g are arranged on the antenna unit 102b and the receiving apparatus main body 102a, and a photo power bra is used.
- the antenna unit 101b and the receiving device main body 101a are each provided with a separate battery, the antenna unit 102b and the receiving device main body 102a can be detachably connected with each other.
- receiving device 102 does not have a connector for connecting antenna unit 101b and receiving device main body 101a.
- the connector will not deteriorate due to repeated attachment and detachment of the connector. If it is, it has the advantage!
- the antenna unit 102b includes the AZD conversion unit 117b and transmits the digital signal S16 with low noise to the reception apparatus main body 102a.
- the AZD conversion unit 117b May be provided in the receiving apparatus main body 102a. That is, the communication connection may be made by an analog baseband signal instead of the digital binary signal S11.
- the antenna unit battery 118b and the receiver main body battery 118a described in the fifth embodiment may be a primary battery or a secondary battery.
- FIG. 12 is a block diagram showing a schematic configuration of receiving apparatus 103 according to the sixth embodiment.
- receiving apparatus 103 has antenna unit 103b instead of antenna unit 102b of receiving apparatus 102 according to the fifth embodiment described above, and includes receiving apparatus main body 103a instead of receiving apparatus main body 102a.
- the antenna unit 103b includes a secondary coil 119b and a power supply unit 12 lb instead of the antenna unit battery 118b described in the fifth embodiment, and the receiver main body 103a is replaced with the receiver main battery 118a.
- a side coil 119a and a power supply unit 121a are provided.
- Other configurations are the same as those of the fifth embodiment, and the same reference numerals are given to the same components.
- the power supply unit 121a supplies electric power to the receiver main body 101a and causes an alternating current to flow through the primary coil 119a.
- the primary coil 119a and the secondary coil 119b form a transformer 119c, and an AC electromotive force is generated in the secondary coil 119b.
- the power supply unit 121b rectifies this AC electromotive force and supplies power to each function unit in the antenna unit 103b to drive each function unit.
- the antenna unit 103b is configured to receive power from the receiving apparatus main body 103a by forming the power transformer 119c, so that the antenna unit 103b does not have to separately provide a battery such as a battery.
- the functions and effects of the fifth embodiment described above can be enjoyed, and not only the signal system but also the power supply system can be insulated to further prevent noise contamination. As a result, the image receiving apparatus main body 103a can acquire good image data with little noise.
- an antenna unit that can be detachably connected to the receiving apparatus main body is provided with a history storage unit that stores various types of information related to the usage history of the antenna unit.
- FIG. 13 is a schematic diagram schematically illustrating a configuration example of this wireless in-vivo information acquiring system.
- the wireless in-vivo information acquiring system includes a capsule endoscope 3 that moves along a passage route in the subject 1 and images the inside of the subject 1, and a capsule-type endoscope.
- a receiving device 203 that receives image data captured by the endoscope 3, a display device 4 that displays an image in the subject 1 based on the image data captured by the capsule endoscope 3, and a receiving device 203 And a portable recording medium 5 for transferring information between the display device 4 and the display device 4.
- the capsule endoscope 3 has an imaging function for imaging the inside of the subject 1 and image data obtained by imaging the inside of the subject 1 as an external receiving device (for example, the receiving device 203).
- Wireless communication function for example, The capsule endoscope 3 sequentially captures images in the body cavity of the subject 1 and sequentially transmits the obtained image data in the subject 1 to the receiving device 203.
- the display device 4 displays an image in the subject 1 (for example, an image in the body cavity) captured by the capsule endoscope 3.
- the portable recording medium 5 is for transferring data between the receiving device and the display device 4 of the wireless in-vivo information acquiring system according to the present invention.
- a portable recording medium 5 is detachable from the receiving device 203 and the display device 4, and is inserted into the receiving device 203 while the capsule endoscope 3 is moving in the body cavity of the subject 1, so that the inside of the capsule type The data transmitted from the endoscope 3 is sequentially stored.
- the portable recording medium 5 is taken out from the receiving device 203 after the capsule endoscope 3 is ejected from the subject 1, inserted into the display device 4, and stored image data or the like is displayed on the display device 4. Read by.
- the subject 1 is different from the case where the receiving device 203 and the display device 4 are connected by wire, Even when the capsule endoscope 3 is moving inside the subject 1, the user can freely act while carrying the receiving device 203.
- the portable recording medium 5 is used for data transfer between the receiving device 203 and the display device 4, but the present invention is not limited to this. In order to exchange data with the display device 4, both of them may be configured to be connected by wire or wirelessly.
- the receiving antennas 204a to 204d are realized by using, for example, a loop antenna, and receive a radio signal transmitted from the capsule endoscope 3. As shown in FIG. 13, the receiving antennas 204 a to 204 d are arranged at predetermined positions on the body surface of the subject 1, for example, at positions corresponding to the passage route of the capsule endoscope 3.
- the receiving antennas 204a to 204d may be arranged at predetermined positions of a jacket worn by the subject 1. In this case, the receiving antennas 204a to 204d are arranged at predetermined positions on the body surface of the subject 1 when the subject 1 wears this jacket.
- the receiving apparatus 203 is for performing reception processing of a radio signal received via any one of the receiving antennas 204a to 204d.
- Receiving device 203 has antenna unit 204 and receiving device main body 205 according to the seventh embodiment of the present invention.
- the antenna unit 204 is electrically connected to the receiving antennas 204a to 204d via the respective cables, and image data based on the radio signal received from the capsule endoscope 3 via any of the receiving antennas 204a to 204d.
- Etc. Send The receiving device body 205 sequentially acquires image data in the subject 1 by the capsule endoscope 3 via a predetermined radio wave transmitted and received between the capsule endoscope 3 and any of the receiving antennas 204a to 204d. To do.
- the receiving device 203 is provided with a plurality of receiving antennas on the subject 1, so that the receiving device 203 can be placed at a position suitable for receiving a radio signal according to the position of the capsule endoscope 3 in the subject 1. Image data from the capsule endoscope 3 can be received via the receiving antenna.
- FIG. 14 is a schematic view schematically illustrating a state in which the receiving apparatus 203 is configured using the antenna unit 204 and the receiving apparatus main body 205.
- the antenna unit 204 has receiving antennas 204a to 204d via respective cables, and is detachably attached to a predetermined portion of the receiving apparatus main body 205.
- the antenna unit 204 is detachably electrically connected to the receiving apparatus main body 205 via a connector or a terminal.
- the receiving device 203 is realized by electrically connecting the antenna unit 204 and the receiving device main body 205 in this way.
- the reception device main body 205 includes a power supply unit 251 for supplying driving power to each component of the reception device 203, an input unit 252 for inputting instruction information for instructing the reception device 203, and information. And a display unit 253 for display output.
- FIG. 15 is a block diagram schematically illustrating a configuration example of the reception device 203.
- the receiving device 203 is realized by electrically connecting the antenna unit 204 and the receiving device main body 205.
- the antenna switching unit 241 for switching the antenna unit 204 ⁇ and the receiving antennas 204a to 204d to the receiving antenna suitable for radio signal reception and information on the usage history of the antenna unit 204 are recorded.
- the antenna switching unit 241 performs an antenna switching operation for electrically connecting any of the receiving antennas 204a to 204d held by the antenna unit 204 and the receiving apparatus main body 205.
- the antenna switching unit 241 performs this antenna switching operation, and outputs a radio signal received via any one of the reception antennas 204a to 204d to the reception apparatus body 205.
- the history storage unit 242 can rewrite information in EEPROM or flash memory, etc. This is realized by using a non-volatile memory, and stores various information related to the usage history of the antenna unit 204 as antenna history information.
- the antenna history information includes antenna usage count information indicating the number of times the antenna unit 204 has been used, and disconnection detection information indicating that any of the receiving antennas 204a to 204d held is disconnected. And the number of times the antenna unit 204 is used at the time the disconnection inspection process is performed on the received antenna.
- the number-of-uses information at the time of inspection and normal state information indicating that all the receiving antennas can receive radio signals normally (normal state).
- the receiving apparatus main body 205 inputs the power supply unit 251 that supplies driving power to each component of the receiving apparatus 203 and the instruction information that instructs the receiving apparatus 203. Input unit 252 and a display unit 253 for displaying and outputting information. In addition, the receiving apparatus main body 205 performs demodulation processing and the like on the radio signal received via the shift of the receiving antennas 204a to 204d selected by the antenna switching unit 241!
- the received electric field strength (Receiver circuit 254 for detecting signal strength), switching control circuit 255 for controlling the antenna switching operation of antenna switching unit 241 based on the received electric field strength detected by receiver circuit 254, and extraction by receiver circuit 254
- the receiving apparatus main body 205 includes a storage unit 257 that stores information such as image data, a control related to storage processing of antenna history information by the history storage unit 242 and a control related to storage processing of image data and the like by the storage unit 257.
- a control unit 258 that performs drive control of each component of the reception device 203.
- the power supply unit 251 supplies driving power to each component of the reception device 203. That is, the power supply unit 251 supplies driving power to each component of the reception device body 205 and supplies driving power to each component of the antenna unit 204 that is electrically connected to the reception device body 205. In this case, the power supply unit 251 supplies driving power to each component of the reception device 203 even when the reception device 203 is carried by the subject 1 as shown in FIG.
- the power supply unit 251 includes a dry battery, a lithium ion secondary battery. A pond or a nickel metal hydride battery can be exemplified.
- the power supply unit 251 may be rechargeable.
- the input unit 252 is realized by using a plurality of input keys, a rotary switch, or the like.
- the input unit 252 inputs, for example, instruction information for instructing to switch the operation mode of the control unit 258 to the image reception mode or the disconnection inspection mode as instruction information to be instructed to the reception device 203.
- the input unit 252 receives image reception mode instruction information for instructing to switch the operation mode to the image reception mode or disconnection inspection mode instruction information for instructing to switch the operation mode to the disconnection inspection mode in response to a user's input operation.
- Control unit 258 ⁇ Enter.
- this image reception mode is an operation mode in which the reception device 203 sequentially performs operations until image data captured by, for example, the capsule endoscope 3 is received and acquired.
- the disconnection inspection mode is an operation mode for performing a disconnection inspection process on the reception antennas 204a to 204d held by the antenna unit 204.
- Display unit 253 is realized using a thin display such as a liquid crystal display device or an organic EL panel, and displays information based on the control of control unit 258.
- the display unit 253 displays and outputs, for example, warning information related to the antenna history information or information related to the result of the disconnection inspection process.
- the receiving circuit 254 performs demodulation processing on the radio signal input from the antenna switching unit 241 and detects the received electric field strength of the parenthesis radio signal. Specifically, when the reception circuit 254 receives a radio signal from the capsule endoscope 3 via any one of the reception antennas 204a to 204d and the antenna switching unit 241, an image signal included in the radio signal is received. Demodulation processing to restore and extract is performed. The receiving circuit 254 outputs the obtained image signal to the signal processing circuit 256. Further, the receiving circuit 254 detects the received electric field strength of the radio signal and outputs an intensity detection signal (antenna strength signal) indicating the detected received electric field strength to the switching control circuit 255.
- an intensity detection signal (antenna strength signal) indicating the detected received electric field strength
- the switching control circuit 255 controls the antenna switching operation by the antenna switching unit 241 described above. Specifically, the switching control circuit 255 determines the receiving antenna suitable for receiving the radio signal based on the strength detection signal input from the receiving circuit 254 and determines the medium power of the receiving antennas 204a to 204d. So that the receiving antenna and the receiving circuit 254 are electrically connected. The antenna switching unit 241 is controlled. Further, the switching control circuit 255 is driven and controlled by the control unit 258 and outputs the intensity detection signal to the control unit 258 when the control unit 258 sets the disconnection inspection mode as the operation mode.
- the signal processing circuit 256 is for extracting image data and the like included in the image signal based on the image signal extracted by the receiving circuit 254. For example, when the image signal extracted by the reception circuit 2 54 is an image signal generated by the capsule endoscope 3, the signal processing circuit 256 uses the capsule signal based on the image signal input from the reception circuit 254. Image data taken by the mold endoscope 3 is extracted. The signal processing circuit 256 outputs the obtained image data and the like to the control unit 258.
- the storage unit 257 can removably insert the portable recording medium 5 described above, and sequentially stores information based on the control of the control unit 258, for example, image data extracted by the signal processing circuit 256, into the portable recording medium 5.
- the storage unit 257 may be configured such that the storage unit 257 itself stores information by having a memory IC such as a RAM or a flash memory.
- the control unit 258 stores a CPU (Central Processing Unit) that executes various processing programs, a ROM in which various processing programs and the like are recorded in advance, and various types of information such as operation parameters of each processing or antenna history information. It is realized by using EEPROM.
- the control unit 258 controls driving of each component of the reception device main body 205 and controls driving of each component of the antenna unit 204 that is electrically connected to the reception device main body 205. In this case, the control unit 258 constantly monitors whether or not the above-described image reception mode instruction information or disconnection inspection mode instruction information is input from the input unit 252 and sets an operation mode based on the input instruction information. Drive control based on the set operation mode is performed on each component of the reception device 203.
- a CPU Central Processing Unit
- the control unit 258 uses the number of times the antenna unit 204 is used or the received reception based on the antenna history information in the history storage unit 242 before starting drive control in the image reception mode. Check the usage history such as whether the antenna is disconnected or not, and display a warning display on the display unit 253 according to the confirmed result. Alternatively, the control unit 258 determines the image reception mode for each component of the reception device 203 based on the confirmed result. Start drive control.
- FIG. 16 is a flowchart illustrating a processing procedure for controlling warning display or starting drive control in the image reception mode based on the result of confirming the antenna history information.
- control unit 258 does not detect image reception mode instruction information (step S 1101, No), and input unit 2
- Step S1101 is repeated until image reception mode instruction information is input from 52. That is, the control unit 258 constantly monitors whether the image reception mode instruction information is input from the input unit 252.
- control section 258 detects the received image reception mode instruction information (step S 1101, Yes), and detects detected image reception mode. Based on the instruction information, the image reception mode is set as the operation mode.
- the control unit 258 first reads the antenna history information recorded in the history storage unit 242 in the image reception mode (step S1102). In this case, the control unit 258 confirms the content of the antenna history information read from the history storage unit 242.
- the control unit 258 detects disconnection detection information based on the antenna history information (step S1103, Yes). Based on the detection information, it is determined that at least one of the receiving antennas 204a to 204d is in a disconnected state, and the display unit 253 is controlled to display a disconnection detection warning to warn this to the outside. Perform (Step S1104). In this case, the control unit 258 may cause the display unit 253 to display the disconnection antenna information together with the disconnection detection warning. Thereafter, the control unit 258 ends the processing procedure without starting the drive control in the image reception mode.
- control unit 258 does not detect disconnection detection information based on the antenna history information (step S1103, No).
- the antenna use count information and the test use count information are extracted, and the post-test use count of the antenna unit 204 is calculated using the extracted antenna use count information and the test use count information (Ste S 1105).
- the number of times of use after this inspection is, for example, the same as the previous disconnection inspection process for the antenna unit 204. This is the number of times the antenna unit 204 has been used since it was performed.
- the control unit 258 calculates the difference between the number of times of use after inspection by calculating the difference between the number of times of use of the antenna unit 204 based on the information on the number of times of antenna use and the number of times of use of the antenna unit 204 based on the number of times of use at the time of inspection. You can get it. If the control unit 258 is unable to extract the number-of-uses information at the time of inspection based on the antenna history information, the control unit 258 sets the number of times of use based on the extracted information on the number of times of antenna use as the number of times used after the inspection.
- the control unit 258 compares the number of uses after the inspection calculated in step S1105 with the reference number recorded in advance as the determination reference information, and the number of times of use after the inspection is equal to or greater than the reference number ( In step S1106, Yes), the display unit 253 is controlled to display a disconnection inspection execution warning for prompting the antenna unit 204 to perform the disconnection inspection process (step S1107).
- This reference count is determination criterion information for adjusting the frequency of performing the disconnection inspection process.
- the control unit 258 can cause the disconnection inspection execution warning to be frequently displayed and output by using the reference number set to a smaller value.
- the control unit 258 compares the number of antenna use based on the antenna history information with the limit number recorded in advance as the criterion information, and the number of antenna use is limited. If the number is greater than or equal to the number of times (step S 1108, Yes), the display unit 253 is controlled to display an antenna replacement warning that prompts the user to replace the antenna unit 204 with another antenna unit (step S1109).
- the limit number is determination criterion information indicating a desired limit value of the number of times that the antenna unit 204 can maintain the normal state described above.
- the control unit 258 can display and output an antenna replacement warning at an early stage by using the limit number of times set to a smaller value.
- control unit 258 starts the drive control of the image reception mode for each component of the reception device 203 (step S1110), and as described above, for example, by the capsule endoscope 3
- the captured image data and the like are sequentially acquired, and the acquired image data and the like are sequentially transferred to the storage unit 257.
- the storage unit 257 sequentially writes the image data and the like transferred from the control unit 258 into, for example, the portable recording medium 5.
- the control unit 258 uses the antenna usage based on the antenna history information read in step S1102 described above as a trigger when the drive control of the image reception mode is started.
- the number of times of use is counted up (step S1111), and the number of times this antenna is used is increased by +1.
- the control unit 258 causes the history storage unit 242 to write the antenna use count information indicating the counted up antenna use count (step S1112).
- the history storage unit 242 overwrites the previously used antenna use count input from the control unit 258 with the previously stored antenna use count. As a result, the number of antenna uses in the history storage unit 242 is updated.
- control unit 258 compares the number of times of use after inspection calculated in step S1105 and the reference number of times, and if the number of times of use after inspection is less than the reference number of times (step S1106, No), The number of times of antenna use based on the antenna history information read in step S1102 described above is compared with the limit number without performing the processing procedure of step S1107 described above. As a result of comparing the number of times the antenna is used and the limit number, if the number of times the antenna is used is less than the limit number (step S1108, No), the control unit 258 does not perform the processing procedure of step S1109 described above. Then, the processing procedure after step S1110 is performed.
- the antenna unit 204 can normally receive a radio signal. You can easily grasp that is not. In addition, the user can easily grasp whether the receiving antennas out of the receiving antennas 204a to 204d are disconnected by visually checking the disconnected antenna information displayed and output on the display unit 253. Can do.
- the user may electrically connect a normal antenna unit to the receiving apparatus main body 205 instead of the antenna unit 204 indicated by the disconnection detection warning. Further, the user may electrically connect a normal receiving antenna to the antenna unit 204 instead of the receiving antenna indicated by the disconnected antenna information.
- the user visually recognizes the disconnection inspection execution warning displayed on the display unit 253 based on the processing procedure of step S1107 described above, so that the disconnection inspection processing for the antenna unit 204 is predetermined. If it is done for a period of time or longer, it can be easily grasped. The user may perform a disconnection inspection process for the antenna unit 204 every time this disconnection inspection execution warning is displayed on the display unit 253.
- the user can display the display unit 253 based on the processing procedure of step S1109 described above. By visually recognizing the displayed antenna replacement warning, it can be easily grasped that the number of times the antenna unit 204 is used is equal to or more than the desired limit number. Each time the antenna replacement warning is displayed on the display unit 253, the user may replace the antenna unit that is electrically connected to the receiving apparatus main body 205 with another normal antenna unit. As a result, the user can replace this antenna unit with a normal antenna unit before any of the receiving antennas held by the antenna unit is disconnected.
- the receiving device 203 including the receiving device main body 205 can be always used!
- control unit 258 performs disconnection inspection processing on antenna unit 2004 by determining each reception state of radio signals from reception antennas 204a to 204d, for example.
- the user generates a radio signal generator (not shown) that generates and outputs a test radio signal in the same frequency band as that of the radio signal transmitted by the capsule endoscope 3 as a reception antenna subject to disconnection inspection. It arrange
- the control unit 258 performs a disconnection inspection process on the antenna unit 204 based on the received electric field strength of the test radio signal received via the receiving antennas 204a to 204d.
- FIG. 17 is a flowchart illustrating the processing procedure of the disconnection inspection process performed by the control unit 258 in the disconnection inspection mode.
- the control unit 258 does not detect the disconnection inspection mode instruction information (step S1201, No), and the disconnection inspection mode instruction information is input from the input unit 252. This step S1201 is repeated until is input. That is, the control unit 258 constantly monitors whether the disconnection inspection mode instruction information is input from the input unit 252 or not.
- the control unit 258 detects the input disconnection inspection mode instruction information (Step S 1201, Yes), and detects the detected disconnection inspection. Based on the mode instruction information, the disconnection inspection mode is set as the operation mode. In the disconnection inspection mode, first, the control unit 258 instructs the switching control circuit 255 to sequentially switch the receiving antenna to be electrically connected to the receiving circuit 254 from the receiving antennas 204a to 204d in a predetermined order (Step S 1202).
- the switching control circuit 255 Controls the antenna switching operation of the antenna switching unit 241 based on the control of the control unit 258, and performs control to sequentially switch the receiving antennas to be electrically connected to the receiving circuit 254 in a predetermined order.
- the above-described radio signal generator is already arranged in the vicinity of the receiving antennas 204a to 204d, and transmits a test radio signal to the receiving antennas 204a to 204d.
- the reception circuit 254 detects the reception field strength of the test radio signal received via each of the reception antennas 204a to 204d that are sequentially switched for each reception antenna, and switches the strength detection signal corresponding to each reception field strength. Output sequentially to control circuit 255.
- the switching control circuit 255 sequentially transfers the intensity detection signals sequentially input from the receiving circuit 254 to the control unit 258.
- the control unit 258 receives the intensity detection signal from the switching control circuit 255 for each reception antenna, and based on each received intensity detection signal, the test radio signal received via each of the reception antennas 204a to 204d. Received field strength is obtained for each receiving antenna (step S 1203).
- the control unit 258 uses the received electric field strength for each receiving antenna acquired in step S1203 and the threshold value recorded in advance as the criterion information, and determines the receiving states of the receiving antennas 204a to 204d for each receiving antenna. (Step SI 204). In this case, the control unit 258 performs a comparison process for each received antenna intensity for each received antenna !, and the received antenna having a received electric field intensity equal to or greater than this value. It is determined that the reception state of the receiver is good, and the reception states of the other receiving antennas are determined to be bad.
- step S1204 the control unit 258 determines whether or not the reception state of all the receiving antennas 204a to 204d to be subjected to the disconnection inspection is good, and if not, if not (step S1205, No), check whether the reception status of all these receiving antennas 204a to 204d has been judged. In this case, the control unit 258 detects that a period sufficient to repeat a predetermined number of antenna switching operations in which each of the reception antennas 204a to 204d to be subjected to the disconnection inspection is electrically connected to the reception circuit 254 has elapsed. If not, it is determined that all of the receiving antennas 204a to 204d are!
- step S1206, No By checking the reception state of any of them (step S1206, No), and the processing procedure after step S1202 is repeated. On the other hand, if the control unit 258 detects that this period has elapsed, all of these receiving antennas 2 04 & ⁇ 204 (Determine that the reception status of 1 is complete (step 31206, Yes), and determine that the receiving antennas among the receiving antennas 204a to 204d that are subject to the disconnection inspection are in a disconnected state. The antenna unit 204 having the receiving antennas 204a to 204d is determined to be disconnected (step S1209).
- the control unit 258 detects the disconnection detection information indicating that at least one of the reception antennas 204a to 204d to be inspected for disconnection is disconnected, that is, the antenna unit 204 is disconnected, and the reception state in step S1204 described above.
- the history of the reception antenna that is determined to be defective i.e., the disconnection antenna information that identifies the reception antenna that is determined to be disconnected, and the number of times of inspection use that indicates the number of times the antenna is used when this disconnection inspection process is performed
- the data is output to the storage unit 242 and the output disconnection detection information, disconnection antenna information, and inspection use count information are written in the history storage unit 242 (step S1210).
- the history storage unit 242 stores the disconnection detection information and the disconnection antenna information as the antenna history information regarding the antenna unit 204, and overwrites the use count information at the time of inspection.
- the control unit 258 repeats the processing procedure after step S1201 described above.
- the disconnection antenna information only needs to be information that can identify the receiving antennas 204a to 204d. For example, the number, symbol, or character assigned to each of the receiving antennas 204a to 204d is independent or combined. But ...
- step S1204 determines in step S1204 whether or not the reception state of all the receiving antennas 204a to 204d to be subjected to the disconnection inspection is good, and determines that it is good (step S1205, Yes ).
- the antenna unit 204 having these receiving antennas 204a to 204d is determined to be in a normal state (step S1207).
- the control unit 258 includes a normal state information indicating that all the receiving antennas 204a to 204d subject to the disconnection inspection can normally receive radio signals, that is, the antenna unit 204 is in a normal state, and this disconnection inspection.
- the inspection use frequency information indicating the number of times the antenna is used at the time of processing is output to the history storage unit 242 and the output normal state information and inspection use frequency information are written to the history storage unit 242 ( Step S 1208).
- the history storage unit 242 stores the normal state information as the antenna history information related to the antenna unit 204, and overwrites the use count information at the time of inspection.
- control part 2 58 repeats the processing procedure after step S1201 described above.
- control unit 258 may perform control to display and output normal state information on the display unit 253 after performing the processing procedure of step S1208 described above. Further, the control unit 258 may perform control to display and output the disconnection detection information and the disconnection antenna information on the display unit 253 after performing the processing procedure of step S1210 described above. As a result, the user can check the disconnection inspection processing result of the antenna unit subject to the disconnection inspection processing in real time.
- the above-described radio signal generator is only required to transmit a test radio signal having the same frequency band as the radio signal transmitted by the capsule endoscope 3, but has the same signal pattern as that of the capsule endoscope 3. It is desirable to generate and output a test radio signal including an image signal. Accordingly, the control unit 258 can perform the disconnection inspection process using a more practical test radio signal.
- a dummy capsule having a function for generating and outputting the test signal may be used in the same housing structure as the capsule endoscope, and the capsule endoscope itself. Even so! /.
- the antenna usage count information indicating the usage count of the antenna unit 204 is recorded in the history storage unit 242 as one piece of antenna history information.
- the usage time counter indicating the usage time of the antenna unit 204 is recorded in the history storage unit 242 in place of the number of antenna usages using a unit time value where the predetermined unit time is “1”. May be.
- the control unit 258 starts driving control of the image reception mode in the above-described image reception mode, and sequentially increments the usage time counter every time a predetermined unit time, for example, 30 minutes elapses, The history storage unit 242 is overwritten with the counted up usage time counter.
- the control unit 258 may use a usage time counter and information related to the time based on the usage time counter instead of the information related to the number of times the antenna unit is used.
- the power of counting up the number of times the antenna is used every time the image reception mode drive control is started is not limited to this antenna unit.
- the maximum number of times the antenna unit 204 can be used
- the time limit counter indicating the use limit time using the number or the unit time value described above is recorded in the history storage unit 242 in advance, and the control unit 258 starts the image reception mode drive control every time the start control is performed. Alternatively, the time limit counter may be counted down.
- control unit 258 detects that the use limit number or limit time counter has become zero, the control unit 258 determines that the use number or use time of the antenna unit 204 is the use limit, and replaces the antenna.
- the warning is displayed on the display unit 253. This facilitates the setting of the use limit number or use limit time for each antenna unit, and the setting on the receiver side, for example, the reference number or limit number described above is used for each antenna unit that does not need to be changed for each antenna unit. Simplifies the process of checking the history.
- the reception state of the receiving antenna is determined based on the received electric field strength of the radio signal received by the receiving antenna subject to disconnection inspection.
- the receiving state of the receiving antenna may be determined to be good, or the image may be received via the receiving antenna.
- the reception state of this receiving antenna may be determined to be good.
- antenna unit 204 having antenna switching unit 241 and history storage unit 242 to which receiving antennas 204a to 204d are electrically connected, and receiving device main body 205
- the present invention is not limited to this, and the antenna switching unit 241, the history storage unit 242, the reception antennas 204 a to 204 d to which the reception antennas 204 a to 204 d are electrically connected are not limited to this.
- a receiving device using an antenna unit including a circuit 254 and a switching control circuit 255, and a receiving device main body including a power supply unit 251, an input unit 252, a signal processing circuit 256, a storage unit 257, and a control unit 258 May be configured.
- the covering antenna unit outputs the image signal extracted by the demodulation process of the reception circuit 254 (that is, the baseband signal whose radio signal power is also demodulated by the reception circuit 254) to the signal processing circuit of the reception device body. Output to 256.
- Such an antenna unit and a receiving device main body can be detachably connected using a connector for transmitting a baseband signal in substantially the same manner as in any of the first to third embodiments described above. like this
- the receiving apparatus according to the seventh embodiment has the effects of the first to third embodiments. Can be enjoyed further.
- the antenna unit and the receiving apparatus main body constituting the receiving apparatus of the seventh embodiment can be attached and detached using a low-frequency signal connector, as in the fourth embodiment described above.
- each housing may be detachably connected and signal transmission between the two may be performed using a photo force bra. .
- the receiving apparatus according to the seventh embodiment has the functions and effects of the fourth to sixth embodiments. You can also enjoy it.
- Embodiment 7 of the present invention it is possible to record various types of information related to the usage history of the received antenna, for example, the antenna history information such as the number of uses, the usage time, or the presence or absence of disconnection. Since it is configured to include a history storage unit, the usage history of the receiving antenna can be easily confirmed based on the antenna history information recorded in this history storage unit, and all the receiving antennas that it has received normally receive radio signals. It is possible to realize an antenna unit that can be easily checked for each unit to determine whether or not it is possible.
- the antenna history information such as the number of uses, the usage time, or the presence or absence of disconnection. Since it is configured to include a history storage unit, the usage history of the receiving antenna can be easily confirmed based on the antenna history information recorded in this history storage unit, and all the receiving antennas that it has received normally receive radio signals. It is possible to realize an antenna unit that can be easily checked for each unit to determine whether or not it is possible.
- a function of acquiring image data from the capsule endoscope based on a radio signal from the capsule endoscope received via the antenna unit, and a history storage unit of the antenna unit A function that displays the usage history of this antenna unit based on the antenna history information recorded in the, and displays a warning based on the confirmed usage history, and the antenna history information is sequentially displayed according to the usage history of this antenna unit.
- a receiving device is configured by detachably and electrically connecting a receiving device body having a function of updating and the antenna unit. Therefore, before performing the process of acquiring image data with a capsule endoscope, the usage history of this antenna unit, in particular, all the receiving antennas that are electrically connected to this antenna unit, correctly transmit radio signals. It is possible to realize a receiving apparatus that can easily recognize whether or not it is in a receivable state.
- this receiving apparatus it is possible to prevent the start of the process of acquiring image data by the capsule endoscope in a state where the receiving antenna in the disconnected state is used.
- the image data can be obtained by always using a receiving device having an antenna unit that can receive the image data in a normal state.
- the receiving apparatus can reliably accumulate image data picked up by the capsule endoscope, and can improve the reliability of the examination on the subject.
- the antenna unit and the receiving device using the antenna unit that are effective in the present invention are useful for detachably connecting the antenna unit provided with the receiving antenna and the receiving device main body, and in particular, the capsule type. Suitable for receiving and storing image data captured by an endoscope.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/658,432 US7962098B2 (en) | 2004-09-07 | 2005-09-07 | Antenna unit and receiving apparatus using the same |
DE602005027857T DE602005027857D1 (de) | 2004-09-07 | 2005-09-07 | Empfangsvorrichtung mit antenneneinheit |
EP05782247A EP1790278B1 (en) | 2004-09-07 | 2005-09-07 | Reception device using an antenna unit |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-260247 | 2004-09-07 | ||
JP2004260247A JP2006075244A (ja) | 2004-09-07 | 2004-09-07 | 受信装置 |
JP2004261671A JP2006075302A (ja) | 2004-09-08 | 2004-09-08 | アンテナユニットおよびこれを用いた受信装置 |
JP2004-261670 | 2004-09-08 | ||
JP2004261670A JP4542398B2 (ja) | 2004-09-08 | 2004-09-08 | 受信装置 |
JP2004-261671 | 2004-09-08 |
Publications (1)
Publication Number | Publication Date |
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WO2006028134A1 true WO2006028134A1 (ja) | 2006-03-16 |
Family
ID=36036415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/016421 WO2006028134A1 (ja) | 2004-09-07 | 2005-09-07 | アンテナユニットおよびこれを用いた受信装置 |
Country Status (4)
Country | Link |
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US (1) | US7962098B2 (ja) |
EP (1) | EP1790278B1 (ja) |
DE (1) | DE602005027857D1 (ja) |
WO (1) | WO2006028134A1 (ja) |
Cited By (2)
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---|---|---|---|---|
EP2011430A1 (en) * | 2006-04-26 | 2009-01-07 | Olympus Medical Systems Corp. | Antenna unit and receiving system |
JP2009112644A (ja) * | 2007-11-08 | 2009-05-28 | Olympus Medical Systems Corp | 画像処理装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE602005027311D1 (de) * | 2004-02-06 | 2011-05-19 | Olympus Corp | Empfänger |
KR101444485B1 (ko) * | 2006-11-16 | 2014-09-24 | 스트리커 코포레이션 | 무선 내시경 카메라 |
JP5137385B2 (ja) * | 2006-11-17 | 2013-02-06 | オリンパス株式会社 | カプセル型医療装置 |
EP1980195B1 (en) * | 2007-04-11 | 2010-06-16 | Given Imaging Ltd. | In Vivo sensing devices and methods of identification thereof |
US9492105B1 (en) * | 2009-02-13 | 2016-11-15 | Cleveland Medical Devices Inc. | Device for sleep diagnosis |
JP5143313B2 (ja) * | 2010-11-29 | 2013-02-13 | オリンパスメディカルシステムズ株式会社 | 受信装置およびカプセル型内視鏡システム |
JP5571248B2 (ja) | 2011-06-02 | 2014-08-13 | オリンパスメディカルシステムズ株式会社 | 受信装置およびカプセル型内視鏡システム |
CN107752972B (zh) * | 2017-10-31 | 2020-11-24 | 重庆金山医疗器械有限公司 | 一种接收胶囊式内窥镜信号的方法及装置 |
US11082110B2 (en) * | 2018-12-03 | 2021-08-03 | Mediatek Inc. | Communication method and communication device |
WO2020202531A1 (ja) * | 2019-04-04 | 2020-10-08 | オリンパス株式会社 | 受信システム |
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- 2005-09-07 EP EP05782247A patent/EP1790278B1/en not_active Expired - Fee Related
- 2005-09-07 US US11/658,432 patent/US7962098B2/en active Active
- 2005-09-07 DE DE602005027857T patent/DE602005027857D1/de active Active
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EP2011430A1 (en) * | 2006-04-26 | 2009-01-07 | Olympus Medical Systems Corp. | Antenna unit and receiving system |
EP2011430A4 (en) * | 2006-04-26 | 2009-08-26 | Olympus Medical Systems Corp | RECEPTION SYSTEM AND ANTENNA UNIT |
AU2007244368B2 (en) * | 2006-04-26 | 2010-07-01 | Olympus Medical Systems Corp. | Antenna unit and receiving system |
JP2009112644A (ja) * | 2007-11-08 | 2009-05-28 | Olympus Medical Systems Corp | 画像処理装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1790278A1 (en) | 2007-05-30 |
EP1790278B1 (en) | 2011-05-04 |
US20090012360A1 (en) | 2009-01-08 |
US7962098B2 (en) | 2011-06-14 |
EP1790278A4 (en) | 2009-12-30 |
DE602005027857D1 (de) | 2011-06-16 |
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