CN101252871A - Receiver apparatus - Google Patents
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- CN101252871A CN101252871A CNA200680031621XA CN200680031621A CN101252871A CN 101252871 A CN101252871 A CN 101252871A CN A200680031621X A CNA200680031621X A CN A200680031621XA CN 200680031621 A CN200680031621 A CN 200680031621A CN 101252871 A CN101252871 A CN 101252871A
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Abstract
A receiving apparatus wherein a portable recording medium can be prevented from erroneously being demounted during an examination, thereby preventing the body cavity image data from being lost and also preventing the portable recording medium from being damaged. It is arranged that when an action of demounting a portable recording medium is detected (Step S103: Yes) during a recording operation (Step S101: Yes), an alarming means is activated, before the actual demounting of the portable recording medium, to issue, to the user, an alarm to the effect that the demounting action should not be done (Step S105). In this way, the portable recording medium can be prevented from erroneously being demounted during the recording operation, thereby preventing the body cavity image data from being lost and also preventing the portable recording medium from being damaged.
Description
Technical field
The present invention relates to a kind of reception from be directed to subject introducing device such as tested intravital capsule type endoscope wireless signal that sends and the receiving system that the portable recording medium that installation and removal have carried out installing is freely carried out operation of recording.
Background technology
The capsule type endoscope of camera function and radio communication function has appearred being equipped with in recent years, in the field of endoscope.This capsule type endoscope has following structure: in order to observe (inspection) after this capsule type endoscope of swallowing from the mouth as the those who are investigated of subject, at the viewing duration till discharging naturally from those who are investigated's organism (human body), this capsule type endoscope for example moves along with its vermicular movement in the inside of internal organs such as esophagus, stomach, small intestinal (in the body cavity), uses camera function to make a video recording successively with the shooting speed of regulation.
In addition, this viewing duration that in these internal organs, moves, in body cavity, take the view data that the obtains radio communication function by radio communication etc. by capsule type endoscope and be sent to those who are investigated's outside successively, and be stored in the memorizer that is arranged in the external receiver.By being carried the receiver that possesses this radio communication function and memory function by those who are investigated, those who are investigated are the viewing duration till discharge after swallowable capsule type endoscope, also can not feel inconvenience and can freely take action.After the observation, can be by doctor or nurse according to the view data in the memorizer that is stored in receiver, make display units such as display show that endoceliac image diagnoses (with reference to patent documentation 1).
Patent documentation 1: TOHKEMY 2003-19111 communique
Summary of the invention
The problem that invention will solve
At this, as the memorizer that is arranged in the receiver, proposed for example to use portable recording mediums such as having following design of mini quickflashing (registered trade mark) memorizer, wherein said structure is: can mount and dismount with respect to display devices such as receiver and work stations, at the output or the record that both are inserted the information of can carrying out when installing.Promptly, has following structure: during moving in the body cavity of capsule type endoscope at subject, the portable recording medium insertion is installed to the data that write down in the receiver that is arranged on the subject from the capsule type endoscope transmission, at capsule type endoscope after subject is discharged, take out portable recording medium and insert and be installed to display device from receiver, read the data that are recorded in the portable recording medium by this display device.Like this, transmit by the data of utilizing portable recording medium to carry out between receiver and the display device, subject can freely move in endoceliac photography, in addition, also help to shorten and display device between data transmit during.
Yet, because portable recording medium with respect to the receiver installation and removal freely, therefore even in the body cavity of capsule type endoscope in the receiving record of camera data, if user (doctor, nurse or patient etc.) wants to take out portable recording medium from receiver, cause portable recording medium to be removed.In receiving record (in the inspection) like this, when when receiver takes out portable recording medium mistakenly, cause receiver can't recorded and stored to send and camera data in the body cavity that receives, and cause losing camera data in the body cavity of preciousness of the inspection usefulness that obtains one by one from capsule type endoscope.That is to say,, therefore also can not check again, in this body cavity takes place, during the losing of camera data, cause not at all easy inspection of carrying out to be wasted because the inspection of capsule type endoscope relates to the long period for example as about 8 hours.In addition, when in operation of recording, taking out portable recording medium, cause recording medium itself to be damaged sometimes, and cause also can't using the interior camera data of body cavity of recording section.Yet when strengthening the locking mechanism that takes out at recording medium, not only structure becomes complicated, and the operability of taking-up recording medium also can variation.Do not take effective countermeasure at this situation in the past.
The present invention finishes in view of the above problems, and its purpose is to provide a kind of situation that can prevent to take out mistakenly portable recording medium in advance in inspection to prevent the loss of camera data in the body cavity, prevents the receiving system of the damage of portable recording medium.
The scheme that is used to deal with problems
In order to address the above problem and to achieve the goal, receiving system involved in the present invention receives from the wireless signal that is directed to tested intravital subject introducing device transmission and to mounting and dismounting the portable recording medium of installing freely and carries out operation of recording, this receiving system is characterised in that, possess: detection part in the action, its detection is in the situation in the operation of recording; Take out the operation detection parts, it detects the taking-up operation of above-mentioned portable recording medium; Alarm features, it gives a warning to the user; And control assembly, under the situation that its taking-up that detects above-mentioned portable recording medium in operation of recording is operated, above-mentioned alarm features is moved.
In addition, receiving system involved in the present invention is characterised in that, in foregoing invention, can take out ground by a plurality of operations or action above-mentioned portable recording medium is installed, above-mentioned taking-up operation detection parts in a plurality of operations or action initial operation or detect the taking-up operation of above-mentioned portable recording medium during the beginning of action.
In addition, receiving system involved in the present invention is characterised in that, in foregoing invention, the warning of above-mentioned alarm features by display part shows and give a warning.
In addition, receiving system involved in the present invention is characterised in that in foregoing invention, above-mentioned alarm features gives a warning by lighting or glimmering of light-emitting component.
In addition, receiving system involved in the present invention is characterised in that in foregoing invention, to possess above-mentioned light-emitting component near the taking-up portion of above-mentioned portable recording medium.
In addition, receiving system involved in the present invention is characterised in that in foregoing invention, above-mentioned alarm features gives a warning by warning tones.
The effect of invention
According to receiving system involved in the present invention, in operation of recording, detect under the situation of taking-up operation of portable recording medium, before portable recording medium is removed, make alarm features move the user sent and do not allow the warning of the meaning of taking out operation, therefore play following effect: can prevent to take out mistakenly the situation of the portable recording medium in the operation of recording in advance, therefore can prevent camera data in the body cavity loss, prevent the damage of portable recording medium.
Description of drawings
Fig. 1 is the integrally-built sketch map that expression embodiments of the present invention 1 related wireless intra-subject information obtains system.
Fig. 2 is the sketch map of the outward appearance summary of expression receiving system.
Fig. 3 is the general block diagram of the structure example of expression receiving system.
Fig. 4 is the warning control example of operation is taken out in expression at medium a outline flowchart.
Fig. 5 is the integrally-built sketch map that expression embodiment 2 related wireless intra-subject informations obtain system.
Fig. 6 is the block diagram that schematically shows the structure of the related capsule type endoscope of embodiment 2.
Fig. 7 is the block diagram that schematically shows the structure of the related receiving system of embodiment 2.
Fig. 8 is the block diagram that schematically shows the structure of the related signal processing circuit of embodiment 2.
Fig. 9 is the sequential chart of the reception action of the related receiving system of expression embodiment 2.
Figure 10 is the block diagram that schematically shows the structure of the related signal processing circuit of embodiment 3.
Figure 11 is the sequential chart of the reception action of the related receiving system of expression embodiment 3.
Description of reference numerals
1: subject; 2: receiving system; 3: capsule type endoscope; 5: portable recording medium; 23:LED; 24: display part; 25: speaker.
The specific embodiment
Describe the embodiment of receiving system involved in the present invention below with reference to the accompanying drawings in detail.In addition, the present invention is not limited to embodiment, can carry out the various changes of embodiment in the scope that does not break away from main idea of the present invention.
(embodiment 1)
Fig. 1 is system is obtained in expression as the wireless intra-subject information of the preferred forms of a receiving system involved in the present invention integrally-built sketch map.It is an example of subject introducing device as dispensing device that this wireless intra-subject information obtains system's use capsule type endoscope.In Fig. 1, wireless intra-subject information obtains system to be possessed: receiving system 2, and it has the wireless receiving function; And capsule type endoscope 3, it is directed in the subject 1, takes intra-lumen image and receiving system 2 is sent data such as signal of video signal.In addition, wireless intra-subject information obtains system to be possessed: display device 4, and it shows intra-lumen image according to the signal of video signal that receiving system 2 receives; And portable recording medium 5, it is used for carrying out the transmission of data between receiving system 2 and display device 4.Receiving system 2 possesses antenna element 2a and as the reception main unit 2b of receiving system main body, can connect these unit by adapter etc. with mounting and dismounting, wherein, described antenna element 2a has attached to a plurality of antenna for receiving A1～An on the health outer surface of subject 1, and described reception main unit 2b carries out processing of the wireless signal that receives by this antenna for receiving A1～An etc.In addition, also antenna for receiving A1～An for example can be installed on the reception jacket that subject can wear, subject 1 is dressed antenna for receiving A1～An by putting on this reception jacket.In addition, in this case, antenna for receiving A1～An can be mounted and dismounted with respect to jacket.
Then, the block diagram of the sketch map of use Fig. 2 and Fig. 3 illustrates the structure of receiving system.Receiving system 2 has the function of reception from the endoceliac view data of capsule type endoscope 3 wireless transmissions.As shown in Figures 2 and 3, receiving system 2 has and can the shape of carrying be installed by subject 1, constitutes by antenna element 2a and with reception main unit 2b that this antenna element 2a can be connected with mounting and dismounting.Antenna element 2a receives the wireless signal that sends from capsule type endoscope 3 and is demodulated into signal of video signal by antenna for receiving A1～An and exports, and receives the signal processing etc. that main unit 2b carries out this signal of video signal.
As shown in Figure 2, in the side that receives main unit 2b, the card insert opening 21 that is used to insert portable recording medium 5 forms slit-shaped, and the card lid 22 that utilizes guiding parts 22a will seal this card insert opening 21 is arranged to slip freely.Thus, in the present embodiment, sliding opening card lid 22 inserts portable recording medium 5 from card insert opening 21 and injects internal connector, carries out portable recording medium 5 thus and installs for the insertion that receives main unit 2b.On the other hand, become following mechanism: when taking out portable recording medium 5, can't be only take out, and need carry out the operation (action) of sliding opening card lid 22 and extract (perhaps temporarily being pressed into) covering these two actions of the operation (action) of 22 portable recording mediums that expose 5 by opening card from card insert opening 21 with an action.
In receiving main unit 2b, near card insert opening 21, be provided with the LED23 of parts usefulness light-emitting component by way of caution.In addition, be provided with the display part 24 that for example constitutes, for example carry out the demonstration of the identifying informations such as inspection ID of above-mentioned registration by liquid crystal displays such as LCD in the front that receives main unit 2b.In addition, be provided with the speaker 25 that information is suitably carried out voice output in front upper.
As shown in Figure 3, antenna element 2a possesses: change-over switch SW, and it optionally switches any the connection hand-off process among antenna for receiving A1～An; Receiving circuit 11, it is connected the back level of this change-over switch SW, the wireless signal from the antenna for receiving A1～An that connects by change-over switch SW switching is amplified, and be demodulated into the signal of video signal that conduct sends information.
Receiving main unit 2b reception has been carried out the signal of video signal of demodulation and has been carried out signal processing by antenna element 2a.Receiving main unit 2b possesses: be connected the signal processing circuit 13 of receiving circuit 11 back levels and A/D converter section 14, storing various information storage part 15, portable recording medium 5, LED23, display part 24, speaker 25, take out test section 26, control the control part C of these each structure positions and provide the electric power of electric power that portion 16 is provided receiving main unit 2b and antenna element 2a.
Take out test section 26 and constitute, detect the taking-up operation of portable recording medium 5 by mechanical switch etc.More particularly, in the taking-up operation of two actions of needs, be the zero hour of the operation of sliding opening card lid 22 in initial operation, detect the taking-up operation of portable recording medium 5.
13 pairs of receiving circuits 11 by antenna element 2a of signal processing circuit carry out the signal of video signal data that demodulation obtains and carry out signal processing such as serial one parallel conversion, pixel interpolation processing, image Compression.Control part C possesses: switch control portion C1, and it carries out the switching controls of antenna; As test section C2 in the operation of recording of detection part in the action, its detection is in the situation in the operation of recording; And as the warning control part C3 of control assembly, whether its control does not allow the warning of lighting or glimmering of carrying out the meaning of taking out operation by LED23 to the user.
Receiving circuit 11 will output to signal processing circuit 13 to the signal of video signal S 1 that wireless signal amplifies and demodulation obtains from change-over switch SW output, and the receiving intensity signal S2 of the signal intensity of the wireless signal after will representing to amplify outputs to A/D converter section 14.The view data of having been undertaken handling by signal processing circuit 13 is stored in the portable recording medium 5 by control part C, and carries out pictorial display as required on display part 24.The receiving intensity signal S 2 that is converted to digital signal by A/D converter section 14 is taken into control part C.Switch control portion C1 is according to switching this receiving intensity signal S2 that antenna for receiving A1～An obtains successively, the antenna for receiving that will receive with the signal intensity of maximum is chosen as the antenna for receiving that is used to obtain view data, and will indicate the switching signal S3 that switches to this antenna to output to change-over switch SW.In addition, control part C stores view data and the signal intensity that receives by each antenna for receiving in the portable recording medium 5 into accordingly with selected antenna for receiving.The signal intensity of each antenna for receiving of this storage becomes the information of the position that is used to calculate the tested intravital capsule type endoscope 3 when receiving view data.
Test section C2 is used for detecting and is in the situation of the portable recording medium 5 of packing into being carried out operation of recording (inspection) in the operation of recording.For example after connecting the power supply that receives main unit 2b, in the stage that from the wireless signal that sends over by capsule type endoscope 3, does not detect the synchronizing signal that triggers usefulness, be judged as operation of recording and begin preceding (before checking), in case the synchronizing signal of detecting is to get final product behind the recording start after then being judged as.Perhaps, portable recording medium 5 is by the form initialization before checking beginning, therefore also can be by observing the situation that writes to portable recording medium 5, in the stage that also portable recording medium 5 is not write the intra-lumen image data, be judged as before operation of recording begins.In addition, used once checking of capsule type endoscope 3 in the set time behind the recording start, for example end about 8 hours, and be discharged to outside the body cavity, therefore need only the elapsed time after the monitor log action begins, finishing to get final product through being judged as operation of recording after the set time.
The action of warning control part C3 control LED23, make in operation of recording and to detect under the situation of taking-up operation of portable recording medium 5 by taking out test section 26, before card insert opening 21 taking-up portable recording mediums 5, LED23 is lighted or glimmering, thereby the user is being given a warning.
Then, with reference to outline flowchart explanation shown in Figure 4 warning control example at medium taking-up operation by the control part C execution of present embodiment.Under the situation of the on and off switch of connecting receiving system 2 (receiving main unit 2b), carry out this processing (step S100: "Yes").Under this situation, move by the detection of test section C2 in the operation of recording and to judge whether to be in (step S101) in the operation of recording.If be not in (step S101: "No"), then freely take out portable recording medium 5, do not need the user is warned, therefore control the feasible warning (step S102) that does not utilize LED23 in the operation of recording.
In addition, if be in (step S101: "Yes"), then judge whether to detect the taking-up operation (step S103) of portable recording medium 5 in the operation of recording by testing result with reference to taking-up test section 26.(step S103: "No") be normal condition, do not need the user is warned, therefore control the feasible warning (step S104) that does not utilize LED23 under the situation of the taking-up operation that does not detect portable recording medium 5.
On the other hand, (step S101: "Yes") in operation of recording, (step S103: "Yes") be abnormality under the situation of the taking-up operation that detects portable recording medium 5, control LED23 makes not allow the warning (step S105) of the meaning of the taking-up operation of carrying out portable recording medium 5 by LED23 being lighted or glimmering the user sent.
By sending this warning, can prevent to take out mistakenly the situation of the portable recording medium 5 in the operation of recording in advance, therefore can prevent camera data in the body cavity loss, prevent the damage of portable recording medium.Especially, in the present embodiment, if need two actions when taking out portable recording medium 5, taking out operation as detecting to existing the zero hour of the opening operation of the card of its initial manipulation lid 22, at this constantly, give a warning do not allow after the operation of extracting portable recording medium 5 from adapter before take out operation, therefore can prevent from operation of recording, to unload the situation of portable recording medium 5 in advance from adapter.In addition, utilize near the LED23 of the setting card insert opening 21 of the taking-up operation of carrying out portable recording medium 5 to carry out this warning, so can send effectively the user and forbid the warning of taking out.
In addition, in present embodiment 1,, but for example also can make display part 24 show " in the record by the lighting or glimmer and give a warning of LED23.Please do not take out card." wait alert message, perhaps also can send the warning tones of the meaning of forbidding taking out card by speaker 25.
In addition, in present embodiment 1, when taking out portable recording medium 5, need block cover 22 opening operation, portable recording medium 5 extract these two actions of operation (operate or move), but be not limited to this example, for example also can be two actions constituting of the push by the opening operation of Ka Gai and ejection rod (eject bar), move by latch-release operation and portable recording medium 5 extract that operation constitutes two etc.
(embodiment 2)
The in-examiner information acquisition system of this radio-type is corresponding to sending/receiving system, with the example of capsule type endoscope as dispensing device (subject introducing device).
Fig. 5 is the integrally-built sketch map of the in-examiner information acquisition system of expression radio-type.As shown in Figure 5, the in-examiner information acquisition system of radio-type possesses: receiving system 102, and it has the wireless receiving function; And capsule type endoscope (subject introducing device) 103, it is directed in the body of subject 101, take intra-lumen image and by wireless to data such as receiving system 102 transmission signal of video signal.In addition, in-examiner information acquisition system possesses: display device 104, and it shows intra-lumen image according to the signal of video signal that receiving system 102 receives; And portable recording medium 105, its data that are used to carry out between receiving system 102 and the display device 104 transmit.Receiving system 102 possesses: receive jacket 102a, it is put on by subject 101; And external device (ED) 102b, it carries out by the processing that receives the wireless signal that jacket 102a receives etc.
At this, capsule type endoscope 103 is described.Fig. 6 is the block diagram that schematically shows the structure of capsule type endoscope 103.As shown in Figure 6, capsule type endoscope 103 possesses: LED119, and it is used for irradiation camera watch region when taking the inside of subject 101; Led drive circuit 120, the driving condition of its control LED119; As the CCD121 of imaging apparatus, it carries out the shooting by the zone of LED119 irradiation; And signal processing circuit 1122, it will be treated to the shooting information of desired form from the picture signal of CCD121 output.In addition, capsule type endoscope 103 possesses: CCD drive circuit 125, the driving condition of its control CCD121; RF transmitting element 123, it is to being taken by CCD121 and modulated by the view data that signal processing circuit 1122 is handled, thereby generates the RF signal; Transmitting antenna portion 124, it sends from the RF signal of RF transmitting element 123 outputs; And system, control circuit 126, the action of its control led drive circuit 120, CCD drive circuit 125 and RF transmitting element 123.In addition, CCD121, signal processing circuit 1122 and CCD drive circuit 125 are referred to as imaging circuit 127.
By possessing these mechanisms, capsule type endoscope 103 in being directed to subject 101 during, obtain the image information that is examined the position by CCD121 by the LED119 illumination.This image information of obtaining is signal of video signal by signal processing circuit 1122 by signal processing, in RF transmitting element 123 this signal of video signal is converted to after the RF signal, sends to the outside by transmitting antenna portion 124.
At this, signal processing circuit 1122 possesses parameter/error correcting code appendix 122a.The additional data " WB " that are kept at the white balance coefficient of 103 the inherent parameter informations of this capsule type endoscope of conduct in the parameter storage 128 in advance of this parameter/error correcting code appendix 122a, the intrinsic id information of capsule " ID ", and for the data " WB " of these white balance coefficients, the Reed-Solomon sign indicating number as error correction code data of the intrinsic id information of capsule " ID " (Reed-Solomon codes) " RS1 ", " RS2 " make and send output in preassigned specified configuration position, so that synchronous with the vertical synchronizing signal and the horizontal-drive signal of signal of video signal in 1 frame.
Promptly, in present embodiment 2, capsule type endoscope 103 sends the wireless signal that output has the frame structure of information spinner body and appendix at least, be right after the additional afterwards Reed-Solomon sign indicating number " RS1 " of data " WB ", the intrinsic id information of capsule " ID ", " RS2 " at the white balance coefficient, wherein, described information spinner body comprises the information agent of taking the signal of video signal obtain, and described appendix comprises synchronous with information and as data " WB ", the intrinsic id information of capsule " ID " of the white balance coefficient of these capsule type endoscope 103 inherent parameter informations.
Fig. 9 of the sequential chart of the reception action of reference expression receiving system 102 described later, be set at 16 the sign indicating number that will constitute by " 55 00 FF 55 " sign indicating number, and be assigned on the specific line position that the count value VCOUNT that begins from action stipulates by " 352 " " 353 " " 354 " " 355 " for count value HCUNT the stage of " 10 ", horizontal-drive signal and send output as expression vertical synchronizing signal VSYNC (VD).In addition, be set at 16 the sign indicating number that will constitute by " 55 AA FF 55 " sign indicating number, and be assigned on the specific line position that the count value VCOUNT that begins from action stipulates by " 2 " " 3 " " 4 " " 5 " for count value HCOUNT the stage of " 11 ", horizontal-drive signal and send output as expression horizontal-drive signal HSYNC (HV).The data of white balance coefficient " WB ", the intrinsic id information of capsule " ID ", Reed-Solomon sign indicating number " RS1 ", " RS2 " for example be respectively a byte, be the data that add up to four bytes, and the intersymbol that is set at sign indicating number at expression these vertical synchronizing signals VSYNC (VD), expression horizontal-drive signal HSYNC (HV) is assigned to respectively on the specific line position that count value VCOUNT stipulates by " 357 " " 358 " " 359 " " 360 " for count value HCOUNT in the stage of " 10 ", horizontal-drive signal and sends output.The stand-by times of receiving circuit 111 backs that A represents to start receiving system 102 during among Fig. 9 till stable, during B represent to start the stand-by time till locking behind the PLL circuit in the clock recovery 161, during C represent the reception period of signal of video signal.
At this, the data of white balance coefficient " WB " are to be used for the camera data of CCD121 is carried out the data that white balance is handled, and are the data of obtaining in advance as the original white balance coefficient of CCD121 by the test in the manufacturing process of each capsule type endoscope 103.Specifically, be to take as the white colour table of benchmark and be the correction coefficient (white balance coefficient) that benchmark is calculated the output of redness (R), blue (B) with becoming setting with green (G) by CCD121, be stored in the parameter storage 128.
In addition, as inherent parameter information, be not limited to the data of this white balance coefficient, for example also can be made as the data of the address of the picture element flaw of representing CCD121, and offer the correction of the picture element flaw that in this address, exists according to the pixel data corresponding with the address on every side, address of this picture element flaw.And, also can replaced C CD as imaging apparatus, for example will use each cmos sensor under the situation of cmos sensor inherent value be that the deviant of light transfer characteristic is saved in the parameter storage 128 with parameter in advance as the inherent signal processing of each element.
In addition, the intrinsic id information of capsule " ID ", is kept in the parameter storage 128 the identiflication number data that each capsule type endoscope 103 is given in advance in advance in order to determine capsule type endoscope 103 individually.
And Reed-Solomon sign indicating number " RS1 ", " RS2 " are the sign indicating numbers of calculating as at the error correcting code of the data " WB " of the white balance coefficient of calculating in advance, setting, the intrinsic id information of capsule " ID ", are kept in advance in the parameter storage 128.In addition, being not limited to the Reed-Solomon sign indicating number as error correcting code, also can be other sign indicating number Hamming code etc. for example.
In addition, capsule type endoscope 103 possesses: sensor part 135, signals such as the magnetic of its detection regulation, light, electric wave; And drive control part 134, it is according to by sensor part 135 detected values, control led drive circuit 120, CCD drive circuit 125, RF transmitting element 123 and the driving of the processing of each one being carried out the system, control circuit 126 of whole control.Sensor part 135 is for example utilized the pH pick off to wait and is realized, detects capsule type endoscope 103 and whether arrives tested intravital assigned position, and drive control part 134 is controlled the driving of each one according to this result.Can suppress to consume electric power thus.
And drive control part 134 is accepted to provide the electric power of the battery 140 in source to provide as energy by the on and off switch in the power switch circuit 130 133.Battery 140 for example utilizes button batteries such as silver oxide to realize.On and off switch 133 can be described as the main power switch of capsule type endoscope 103.Power switch circuit 130 also has signal deteching circuit 131 and ON-OFF control circuit 132.Utilize reed switch (reed switch) to realize detecting signal deteching circuit 131 from the signal of capsule type endoscope 103 outsides, by Magnet 150 with respect to reed switch close/isolate switching on and off.That is to say, whether reed switch has been produced the ON-OFF control circuit 132 that is used for switching on and off action according to magnetic field intensity, controlled and make that promptly switching on and off signal according to the control signal from signal deteching circuit 131 switching on and off of on and off switch 133 carried out trigger action.Utilize the switching on and off of on and off switch 133 of this Magnet 150 before in being directed to subject 101, and carry out action checking of capsule type endoscope 103 etc.
At this, receiving system 102 is described with reference to Fig. 7.Receiving system 102 has the function of reception from the intra-lumen image data of capsule type endoscope 103 wireless transmissions.Fig. 7 is the block diagram that schematically shows the structure of receiving system 102.As shown in Figure 7, receiving system 102 possesses: receive jacket 102a, it has the shape that can be put on by subject 101, possesses antenna for receiving A1～An; And external device (ED) 102b, the processing of the wireless signal that it receives etc.In addition, each antenna for receiving A1～An both can not to be arranged in order being attached directly on the subject outer surface and to have received on the jacket 102a, can mount and dismount with respect to receiving jacket 102a in addition yet.
External device (ED) 102b has the function of the processing of carrying out the wireless signal that sends from capsule type endoscope 103.Specifically, as shown in Figure 7, external device (ED) 102b has change-over switch SW and receiving circuit 111, and the back level at receiving circuit 111 is connected with signal processing circuit 112 and sample-and-hold circuit 115, wherein, described change-over switch SW carries out the connection switching of antenna for receiving A1～An, and described receiving circuit 111 is connected the back level of change-over switch SW, amplifies from switching the wireless signal of the antenna for receiving A1～An that connects and carry out demodulation by change-over switch SW.Back level at sample-and-hold circuit 115 also is connected with A/D converter section 116.Control part C has the control part of selection C1, and is connected with signal processing circuit 112, A/D converter section 116, the storage part 113 corresponding to portable recording medium 105, display part 114 and switch control portion SC.Switch control portion SC has intensity reception antenna number information N1 and image reception antenna number information N2, carry out the switching indication of change-over switch SW according to these number information, and the processing of sample-and-hold circuit 115, A/D converter section 116 and selection control part C1 is regularly indicated.Electric power provides portion 117 to provide electric power to above-mentioned each several part, for example utilizes battery to realize.
The change-over switch SW of external device (ED) 102b is according to indicating any that optionally switch among antenna for receiving A1～An from the switching of switch control portion SC, and the wireless signal of the antenna for receiving A1～An after future is adaptive switched outputs to receiving circuit 111.
As mentioned above, receiving circuit 111 will output to signal processing circuit 112 to the signal of video signal S1 that wireless signal has carried out amplifying and demodulation obtains, and the received electric field strength of the wireless signal after will amplifying is that receiving intensity signal S2 outputs to sample-and-hold circuit 115.The image data of being handled by signal processing circuit 112 is stored in the storage part 113 by control part C, and shows output by display part 114.The signal that has been carried out the sampling maintenance by sample-and-hold circuit 115 is converted to digital signal and is taken into control part C by A/D converter section 116, the antenna for receiving of the received electric field strength of the maximum among the received electric field strength that receives between the horizontal blanking interval in the selection control part C1 of control part C will receive during a part between sync period and the signal of video signal is chosen as the antenna for receiving during the signal of video signal, and the antenna for receiving during the horizontal blanking in the antenna for receiving beyond the antenna for receiving that will select is chosen as during a part between sync period and the signal of video signal successively, and signal S4 outputed to switch control portion SC, wherein, described signal S4 is made as image reception antenna number information N2 with each antenna for receiving numbering, intensity reception antenna number information N1.In addition, control part C with the part between sync period and signal of video signal during in horizontal blanking during received electric field strength and remove horizontal blanking at least during beyond the image reception period received electric field strength and the antenna for receiving of selecting this moment accordingly, store in the storage part 113 with image data.The received electric field strength of each antenna for receiving of this storage becomes the information of the position that is used to calculate the intravital capsule type endoscope 103 when receiving image data.
Switch control portion SC keeps by the intensity reception antenna number information N1 and the image reception antenna number information N2 that select control part C1 indication, signal S5 is outputed to change-over switch SW, and the sampling of output indication sample-and-hold circuit 115 keeps periodic signal S3a, the signal S3b of the A/D conversion timing of indication A/D converter section 116, indication selects the selection of control part C1 to control periodic signal S3c, wherein, described signal S5 between sync period a part and signal of video signal during in horizontal blanking during indication change-over switch SW make and select to connect and the corresponding antenna for receiving A1～An of intensity reception antenna number information N1 that and the indication of the image reception period beyond during removing horizontal blanking at least change-over switch SW makes and selects connection and the corresponding antenna for receiving A1～An of image reception antenna number information N2.
At this, signal processing circuit 112 is described with reference to Fig. 8.Signal processing circuit 112 has following function: the intra-lumen image data that receive from capsule type endoscope 103 wireless transmissions are implemented predetermined process, preservation intra-lumen image data through overcompression processing etc. and in storage part 113 (portable recording medium 105).Fig. 8 is the block diagram that schematically shows the structure of signal processing circuit 112.
As shown in Figure 8, signal processing circuit 112 possesses: be transfused to clock recovery 161, S/P converter section 162, synchronous detecting portion 163 from the signal of video signal S1 of receiving circuit 111; Be connected image production part 164, WB, the ID position detection part 165 of the outlet side of S/P converter section 162; Be connected the frame memory 166 of the outlet side of image production part 164; Be connected the error correction portion 167 of the outlet side of WB, ID position detection part 165; And be connected these frame memories 166 and error correction portion 167 and to the image processing part 168 of control part C side output result.
On the other hand, WB, ID position detection part 165 are the count value HCOUNT that benchmark monitors horizontal-drive signal with vertical synchronizing signal VD, detect the count value HCOUNT " 357 " " 358 " whether reached as the position of the data " WB " that dispose the white balance coefficient, the intrinsic id information of capsule " ID ", under the situation that reaches count value HCOUNT " 357 " " 358 ", receive the data of four bytes that comprise the Reed-Solomon sign indicating number " RS1 " that is right after in the back, " RS2 ".The data of four bytes that error correction portion 167 receives by use, utilize Reed-Solomon sign indicating number " RS1 ", " RS2 " to come the data " WB " of dialogue coefficient of balance, the intrinsic id information of capsule " ID " to implement correction process respectively, to data " WB ", the intrinsic id information of capsule " ID " of the correct white balance coefficient after the image processing part 168 output error correction.Promptly, in present embodiment 2, afterwards horizontal-drive signal HCOUNT is counted at the sign indicating number " 55 00 FF 55 " that detects expression vertical synchronizing signal VD, and the position of the data of definite white balance coefficient " WB ", the intrinsic id information of capsule " ID ", utilize and be right after additional in the back Reed-Solomon sign indicating number " RS1 ", " RS2 " carries out error correction.
As mentioned above, in present embodiment 2, information " WB " to 103 inherent white balance coefficients of capsule type endoscope, be used for determining that the additional Reed-Solomon sign indicating number " RS1 " " RS2 " of the intrinsic id information of capsule " ID " of capsule type endoscope 103 sends output, in receiving system 102 sides, use Reed-Solomon sign indicating number " RS1 " " RS2 " to carry out the information " WB " of white balance coefficient, the error correction of the intrinsic id information of capsule " ID " is even the therefore information " WB " of white balance coefficient, the intrinsic id information of capsule " ID " information itself has produced data bit error (bit error) such as lose shape also can be made as correct data by correction process.Particularly, can also lose shape to the data of a byte and correct, become the sign indicating number higher than the Hamming code reliability of 1 corrigendum according to the Reed-Solomon sign indicating number.Therefore, can improve the anti-bit error of the information parameter informations such as " WB " of white balance coefficient, can reduce as far as possible with the frame is that unit becomes invalid signal of video signal.In addition, only the information of dialogue coefficient of balance " WB ", the intrinsic id information of capsule important parameters information such as " ID " are added error correcting code, for occupying the not additional error correcting code of most signal of video signal itself, therefore the redundancy of data can be suppressed to required bottom line.
(embodiment 3)
The transmission of the wireless signal between capsule type endoscope 103 and receiving system 102 receives in the action, about the sign indicating number " 55 00 FF 55 " of the expression vertical synchronizing signal VD of each 16 bit architecture, the sign indicating number " 55 AA FF 55 " of expression horizontal-drive signal HD, even if 1 exists bit error then can't correctly obtain synchronously.Particularly, sign indicating number " 55 00 FF 55 " and the information " WB " of white balance coefficient, the allocation position of the intrinsic id information of capsule " ID " of expression vertical synchronizing signal VD have specific configuration relation, also can't correctly detect the information " WB " of white balance coefficient, the allocation position of the intrinsic id information of capsule " ID " when detection of vertical synchronizing signal VD correctly.In addition, about the sign indicating number " 55 AA FF 55 " of expression horizontal-drive signal HD, in the time can't correctly detecting, also can't obtain line locking exactly about signal of video signal owing to bit error.
Therefore, in embodiment 3, only the information of dialogue coefficient of balance " WB ", the intrinsic id information of capsule important parameters information such as " ID " have been added error correcting code, but in present embodiment 3, also the sign indicating number " 55 00 FF 55 " of expression vertical synchronizing signal VD and the sign indicating number " 55 AA FF 55 " of expression horizontal-drive signal HD have been added error correcting code.
The parameter of present embodiment 3/error correcting code appendix 122a will be kept at Reed-Solomon sign indicating number " RS3 ", " RS4 ", " RS5 ", " RS6 " as the byte-by-byte of error correction code data in the parameter storage 128 in advance and append to and be right after at the sign indicating number " 55 AA FF 55 " of the sign indicating number " 55 00 FF55 " that sends the expression vertical synchronizing signal VID of output with the specified configuration relation of predesignating, expression horizontal-drive signal HD afterwards.
Figure 11 of the sequential chart of the reception action of the receiving system 102 of reference expression present embodiment 3, about vertical synchronizing signal VSYNC (VD), be set at 16 the sign indicating number that will constitute by " 55 00FF 55 " as the sign indicating number of this vertical synchronizing signal of expression VD and to be assigned to the count value VCOUNT that begins from action be the stage of " 10 ", send output on the specific line position of the count value HCOUNT of horizontal-drive signal by " 350 " " 351 " " 352 " " 353 " regulation, and be set at the Reed-Solomon sign indicating number " RS3 " that error correction is used, " RS4 " be assigned to be right after after the specific line position of count value HCOUNT by " 354 " " 355 " regulations on send output.
Similarly, about horizontal-drive signal HSYNC (HV), be set at 16 the sign indicating number that will constitute by " 55AA FF 55 " as the sign indicating number of this horizontal-drive signal of expression HD and to be assigned to the count value VCOUNT that begins from action be the stage of " 11 ", send output on the specific line position of the count value HCOUNT of horizontal-drive signal by " 0 " " 1 " " 2 " " 3 " regulation, and be set at the Reed-Solomon sign indicating number " RS5 " that error correction is used, " RS6 " be assigned to be right after after count value HCOUNT by the specific line position of " 4 " " 5 " regulations on and send output.
At this, the signal processing circuit 170 of present embodiment 3 is described with reference to Figure 10.Figure 10 is the block diagram that schematically shows the structure of signal processing circuit 170.Signal processing circuit 170 also possesses synchronous code position probing shift register 171, error correction portion 172 and sign indicating number comparing section 173 except the structure that possesses above-mentioned signal processing circuit 112.
Synchronous code position probing shift register 171 is shifted to the signal of video signal S1 that imports in response to clock on one side, detect yard count value VCOUNT " 10 ", count value HCOUNT " 350 "～" 353 " that should exist that whether reached expression vertical synchronizing signal VD according to count value VCOUNT, HCOUNT on one side, under situation about having reached, receive the data of six bytes that include the Reed-Solomon sign indicating number " RS3 " that is right after in the back, " RS4 ".The data of six bytes that error correction portion 172 receives by use utilize Reed-Solomon sign indicating number " RS3 ", " RS4 " that the sign indicating number of expression vertical synchronizing signal VD is implemented correction process.Sign indicating number comparing section 173 judges relatively whether the sign indicating number of the vertical synchronizing signal VD after the expression error correction is consistent with the sign indicating number " 55 00FF 55 " of representing original vertical synchronizing signal VD, under the situation of unanimity, sign indicating number comparing section 173 is as correct detected sign indicating number, and the pulse of this vertical synchronizing signal VD is outputed to image production part 164, WB, ID position detection part 165 as mentioned above like that.Thus, even in the sign indicating number of expression vertical synchronizing signal VD, exist bit error also can carry out the detection of correct vertical synchronizing signal VD, also can correctly detect the information " WB " of white balance coefficient, the allocation position of the intrinsic id information of capsule " ID ".In addition, 73 pairs of synchronous code position probing of sign indicating number comparing section shift register 171 is also exported vertical synchronizing signal VD and enumerator is resetted.
And, synchronous code position probing shift register 171 is shifted to the signal of video signal S1 that imports in response to clock on one side, detect yard count value VCOUNT " 11 ", count value HCOUNT " 0 "～" 3 " that should exist that whether reached expression horizontal-drive signal HD according to count value VCOUNT, HCOUNT on one side, under situation about having reached, receive the data of six bytes that include the Reed-Solomon sign indicating number " RS5 " that is right after in the back, " RS6 ".The data of six bytes that error correction portion 172 receives by use utilize Reed-Solomon sign indicating number " RS5 ", " RS6 " to come the sign indicating number of expression horizontal-drive signal HD is implemented correction process.Sign indicating number comparing section 173 judges relatively whether the sign indicating number of the horizontal-drive signal HD after the expression error correction is consistent with the sign indicating number " 55 AA FF 55 " of representing original horizontal-drive signal HD, under the situation of unanimity, sign indicating number comparing section 173 is as correct detected sign indicating number, and the pulse of this horizontal-drive signal HD is outputed to image production part 164 as mentioned above like that.Thus, even in the sign indicating number of expression horizontal-drive signal HD, exist bit error also can carry out the detection of correct horizontal-drive signal HD, can obtain line locking exactly.In addition, 173 pairs of synchronous code position probing of sign indicating number comparing section shift register 171 is also exported horizontal-drive signal HD and enumerator is resetted.
In addition, the embodiment of being put down in writing in the application's the description 1～3 can both make up mutually and implement.
Utilizability on the industry
As mentioned above, receiving system involved in the present invention is used in and receives from capsule-type The wireless signal that the subject introducing devices such as endoscope send and to installation and removal from The portable recording medium that has carried out installing such as ground carries out the situation of operation of recording, and is special To be applicable to the mistake that prevents from inspection, also can taking out the situation of portable recording medium Maloperation.
Claims (6)
1. a receiving system receives from wireless signal that is directed to tested intravital subject introducing device transmission and the portable recording medium that loading and unloading are installed freely and carries out operation of recording, and this receiving system is characterised in that to possess:
Detection part in the action, whether its detection is in the operation of recording;
Take out the operation detection parts, it detects the taking-up operation of above-mentioned portable recording medium;
Alarm features, it gives a warning to the user; And
Control assembly under the situation that its taking-up that detects above-mentioned portable recording medium in operation of recording is operated, made above-mentioned alarm features move before this portable recording medium is removed.
2. receiving system according to claim 1 is characterized in that,
Can take out ground by a plurality of operations or action above-mentioned portable recording medium is installed,
Above-mentioned taking-up operation detection parts in a plurality of operations or action initial operation or detect the taking-up operation of above-mentioned portable recording medium during the beginning of action.
3. receiving system according to claim 1 and 2 is characterized in that,
The warning of above-mentioned alarm features by display part shows and gives a warning.
4. receiving system according to claim 1 and 2 is characterized in that,
Above-mentioned alarm features gives a warning by lighting or glimmering of light-emitting component.
5. receiving system according to claim 4 is characterized in that,
Near the taking-up portion of above-mentioned portable recording medium, possesses above-mentioned light-emitting component.
6. receiving system according to claim 1 and 2 is characterized in that,
Above-mentioned alarm features gives a warning by warning tones.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005248011A JP4855738B2 (en) | 2005-08-29 | 2005-08-29 | Receiver |
| JP248011/2005 | 2005-08-29 | ||
| JP265704/2005 | 2005-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101252871A true CN101252871A (en) | 2008-08-27 |
Family
ID=37924101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200680031621XA Pending CN101252871A (en) | 2005-08-29 | 2006-08-29 | Receiver apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4855738B2 (en) |
| CN (1) | CN101252871A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889300A (en) * | 2011-10-21 | 2014-06-25 | 奥林巴斯医疗株式会社 | Antenna connection unit, receiver, received signal strength correction device, capsule endoscopic system, correction method and program |
| CN112369999A (en) * | 2020-11-13 | 2021-02-19 | 大连明升科技发展有限公司 | Medical endoscope diagnosis and treatment early warning system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5156427B2 (en) * | 2008-02-13 | 2013-03-06 | 富士フイルム株式会社 | Capsule endoscope system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04205691A (en) * | 1990-11-30 | 1992-07-27 | Toshiba Corp | Portable electronic device |
| JP4454832B2 (en) * | 1999-11-22 | 2010-04-21 | オリンパス株式会社 | Electronics |
| JP2002330384A (en) * | 2001-04-27 | 2002-11-15 | Canon Inc | Warning device, warning device for digital camera, its control method, and medium for providing control program |
| JP4022874B2 (en) * | 2002-11-22 | 2007-12-19 | 富士フイルム株式会社 | Electronics |
| JP4574983B2 (en) * | 2003-11-04 | 2010-11-04 | オリンパス株式会社 | Image display apparatus, image display method, and image display program |
-
2005
- 2005-08-29 JP JP2005248011A patent/JP4855738B2/en not_active Expired - Fee Related
-
2006
- 2006-08-29 CN CNA200680031621XA patent/CN101252871A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889300A (en) * | 2011-10-21 | 2014-06-25 | 奥林巴斯医疗株式会社 | Antenna connection unit, receiver, received signal strength correction device, capsule endoscopic system, correction method and program |
| CN103889300B (en) * | 2011-10-21 | 2016-03-09 | 奥林巴斯株式会社 | Antenna connecting unit, receiving intensity correcting unit and capsule-type endoscope system |
| CN112369999A (en) * | 2020-11-13 | 2021-02-19 | 大连明升科技发展有限公司 | Medical endoscope diagnosis and treatment early warning system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4855738B2 (en) | 2012-01-18 |
| JP2007061190A (en) | 2007-03-15 |
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Open date: 20080827 |