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Receiver apparatus and intra-subject information acquiring system

A technology of a receiving device and an object to be inspected, which is applied to closed-circuit television systems, in-vivo radio detectors, components of television systems, etc. The effect of preventing capacity

Active Publication Date: 2008-09-03
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, since the receiving device does not synchronize the frequency of the wireless signal transmitted from the capsule endoscope with the frequency of the reference clock of the receiving device, there is a problem that it cannot process image information for which the vertical synchronization signal cannot be detected.

Method used

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  • Receiver apparatus and intra-subject information acquiring system
  • Receiver apparatus and intra-subject information acquiring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0045] FIG. 1 is a schematic diagram showing an overall configuration of a wireless in-vivo information acquisition system including a receiving device according to the first embodiment. In FIG. 1 , the in-body information acquisition system includes: a capsule endoscope 2 that is introduced into the body of a subject 1, captures images in the body cavity, and transmits data such as image signals to a receiving device 3; and a receiving device 3 , which has a wireless receiving function. In addition, the in-body information acquisition system includes: a display device 4 for displaying images in the body cavity based on wireless signals received by the receiving device 3; and a portable recording medium 5 for performing communication between the receiving device 3 and the display device data transmission. The receiving device 3 includes an antenna group 3a, and an external device 3b that performs processing, etc., of radio signals received by the antenna group 3a.

[0046] T...

Embodiment approach 2

[0092] Next, Embodiment 2 will be described. FIG. 13 is a schematic block diagram showing the overall configuration of the receiving device 203 according to the second embodiment. The reception device 203 shown in FIG. 13 is compared with the reception device 3 shown in FIG. 2 in that the structures of the image deletion control unit 36a and the image deletion control unit 336a are different, and the other structures are the same as the reception device 3, and the same components are added with The same reference number.

[0093] Here, refer to Figure 14 The flow chart shown is used to describe the image deletion control processing procedure of the image deletion control unit 336a according to the second embodiment. First, the image deletion control unit 336a acquires the detection pulse signal Hd of the horizontal synchronization signal (step S302). Thereafter, the image deletion control unit 336a judges whether or not the horizontal synchronization signal detection unit ...

Embodiment approach 3

[0097] Next, Embodiment 3 will be described. FIG. 15 is a schematic block diagram showing the overall configuration of the receiving device 303 according to Embodiment 3. As shown in FIG. The receiving device 303 shown in FIG. 15 is compared with the receiving device 3 shown in FIG. 2 in that the structure of the image deletion control part 36a and the image deletion control part 436a are different, and other structures are the same as the receiving device 3, and the same structure is added Reference sign.

[0098] Here, refer to Figure 16 The flow chart shown is used to explain the image deletion control processing procedure of the image deletion control unit 436a. First, the image deletion control unit 436a acquires the detection pulse signal Hd of the horizontal synchronization signal (step S402). Thereafter, the image deletion control unit 436a determines whether or not the horizontal synchronization signal detection unit 236 can detect a predetermined number or more o...

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PUM

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Abstract

The present invention acquires much accurate image information having no noise, without increasing load in the post-processing of the image information, a receiving apparatus 3 includes: a synchronization signal detector 34 that detects a horizontal synchronization signal and a vertical synchronization signal; an image processor 35 that performs an image generation process of each frame based on the horizontal synchronization signal and the vertical synchronization signal detected by the synchronization signal detector 34; and an image deletion controller 36a that controls to delete an image of the current frame, when a horizontal synchronization signal within one frame detected by the synchronization signal detector 34 is not continuously detected by a first predetermined number or more, or when a horizontal synchronization signal within one frame detected by the synchronization signal detector 34 is not detected by a second predetermined number or more, or when a vertical synchronization signal detected by the synchronization signal detector 34 is not continuously detected by a third predetermined number or more.

Description

technical field [0001] The present invention relates to a receiving device and a system for obtaining information in a subject, and more particularly to a receiving device for processing a wireless signal including an information component transmitted from a transmitting device, and a subject including the receiving device and a device introduced into a subject. In vivo information acquisition system. Background technique [0002] In recent years, in the field of endoscopes, a capsule-type endoscope equipped with an imaging function and a wireless communication function has appeared. The capsule endoscope has a function of swallowing the capsule endoscope from the mouth of a subject who is a subject for observation (examination), until the subject's biological body naturally During the observation period up to discharge, the capsule endoscope moves in accordance with the peristaltic motion inside (inside the body cavity) of organs such as the stomach and small intestine, an...

Claims

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Application Information

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IPC IPC(8): A61B1/00A61B1/04A61B5/07H04N5/08H04N7/18
CPCA61B1/00016A61B1/041A61B1/273H04N5/10H04N7/18
Inventor 重盛敏明永濑绫子
Owner OLYMPUS CORP
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