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Integrated circuit system for bidirectional digital wineless endoscope capsule

A digital wireless, integrated circuit technology, applied in endoscopy, gastroscope, applications, etc., can solve problems such as patient pain and limited inspection sites

Active Publication Date: 2006-10-25
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Due to the existence of the catheter, the conventional endoscopic system has two major defects: ① brings pain to the patient; ② limits the inspection site

Method used

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  • Integrated circuit system for bidirectional digital wineless endoscope capsule
  • Integrated circuit system for bidirectional digital wineless endoscope capsule
  • Integrated circuit system for bidirectional digital wineless endoscope capsule

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Embodiment Construction

[0071] The invention proposes a two-way digital wireless endoscope capsule low-power integrated circuit method, which is a design and verification method for a small-sized, low-power digital-analog hybrid integrated circuit used in a two-way digital wireless endoscope system capsule The two-way digital wireless endoscope system includes two parts: capsule in the body and an external transceiver and control platform, and wireless communication is used between the two; the internal structure of the capsule includes an image acquisition module, digital signal processing with image compression and A wireless baseband processing control module, a memory and a radio frequency module for wireless transceiver; the design method of the digital-analog hybrid integrated circuit is as follows:

[0072] a) The two-way digital wireless endoscope system adopts a half-duplex wireless communication mode of sending and receiving at the same carrier frequency and an ASK / OOK modulation and demodul...

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Abstract

The present invention relates to the field of internal capsule D / A mixed integrated circuit technology in wireless endoscope system. It is characterized by that it successively contains image sensor and D / A mixed integrated circuit which is power-supplied by battery and includes digital baseband circuit and analog radio frequency circuit, in which said D / A mixed integrated circuit contains capsule interior system control unit, image sensor interface, image coding / decoding and compression unit, wireless baseband processing unit and driving unit, and has a three-stage management structure respectively formed from low-frequency control subunit in described control unit, control subunit and image sensor interface, image compression unit, memory and wireless transmitting and receiving circuit in wireless baseband processing unit, and can be used for controlling conversion between dormancy state and working state of all the circuits in capsule interior so as to reduce dynamic power consumption, prevente simultaneous motion of all the circuits and make continuous working time of capsule exceed 14 hr.

Description

technical field [0001] The invention belongs to the technical field of digital-analog hybrid integrated circuit design for a wireless endoscope system. Background technique [0002] Due to the existence of the catheter, the conventional endoscopic system has two major defects: ① it brings pain to the patient; ② the inspection site is limited. The wireless endoscope integrates lighting, image acquisition and transmission in one capsule, and after the patient swallows the capsule, the image sensor starts to acquire images, and the digital part of the application-specific integrated circuit is processed (including image compression and wireless communication baseband processing, etc.) It is wirelessly transmitted to the body by the analog radio frequency module for diagnosis by doctors. [0003] The two-way digital wireless endoscope system consists of two parts: the capsule in the body and the transceiver control platform outside the body, and communicates between the two in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/045A61B1/00A61B1/273
Inventor 谢翔李国林喻学艺王志华
Owner TSINGHUA UNIV
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