Image data receiving device and image data transmission system
A technology of image data and receiving device, applied in image communication, CCTV system, components of TV system, etc., can solve problems such as signal quality degradation
Active Publication Date: 2016-03-23
OLYMPUS CORP
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Problems solved by technology
[0005] However, according to the configuration disclosed in Japanese Patent Application Laid-Open No. 2009-233178, there arises a problem that a predetermined insertion signal is inserted into a no-signal period of a digital transmission signal, which is a period corresponding to a blanking period of an analog imaging signal. Cause, sometimes resulting in a decrease in signal quality when receiving a digital transmission signal sent from an endoscope
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[0014] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0015] figure 1 as well as figure 2 It is a figure related to the Example of this invention. figure 1 It is a block diagram showing the configuration of main parts of the image data transmission system according to the embodiment of the present invention.
[0016] Such as figure 1 As shown, the imaging system 101 is configured as an image data transmission system, and the image data transmission system includes: an imaging device 1 configured with a video scope or a camera head of a rigid endoscope; A camera control unit (hereinafter referred to as CCU) 2 that exchanges signals and data.
[0017] The imaging device 1 having a function as an image data transmitting device includes an imaging unit 11, a timing generator 12, a frequency multiplying unit 13, a frequency dividing circuit 14, P / S (parallel / serial) converting units 15A and 15B, and a transmitting circu...
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The image data receiving device has: a first receiving unit that receives a first signal including serial data corresponding to the image data; a second receiving unit that receives a serial signal including serial data different from the serial data included in the first signal. A second signal of data; a first conversion unit that converts the serial data included in the first signal into parallel data for output; a second conversion unit that converts the serial data included in the second signal into output in parallel data; a bit shift detection unit that acquires information indicating to what extent the parallel data output from the second conversion unit is shifted from a predetermined bit pattern; and a shift unit that passes the bit shift The parallel data output from the first conversion unit is shifted based on the information obtained by the quantity detection unit.
Description
technical field [0001] The present invention relates to an image data receiving device and an image data transmission system, in particular to an image data receiving device and an image data transmission system involved in the transmission of image data obtained by photographing an object. Background technique [0002] Conventionally, an endoscope system has been used that mainly includes an endoscope that captures an image of a subject inside a subject to acquire an image, and an endoscope that performs various signal processing on the image acquired by the endoscope. Mirror signal processing device. [0003] In addition, in the above-mentioned endoscope system, in recent years, for example, a configuration disclosed in Japanese Patent Application Laid-Open No. 2009-233178 is adopted in which a simulated image obtained by photographing a subject is performed inside the endoscope. A / D conversion processing, and the digital data (image data) obtained by the A / D conversion p...
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IPC IPC(8): A61B1/04G02B23/26H04N7/18
CPCG02B23/2476A61B1/00009H04L7/0008H04N23/555H04N25/78H04N25/75
Inventor 川田晋田边贵博
Owner OLYMPUS CORP