Unlock instant, AI-driven research and patent intelligence for your innovation.

Camera and endoscope system

A camera device and image signal technology, applied in endoscopy, medical science, diagnosis, etc., can solve problems such as failures, and achieve the effect of suppressing large-scale

Active Publication Date: 2020-06-16
OLYMPUS CORP
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, since the position detection device that detects the position of the movable lens is weak in electricity, it may malfunction due to temperature, humidity, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Camera and endoscope system
  • Camera and endoscope system
  • Camera and endoscope system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0024] figure 1 It is a schematic diagram showing a schematic configuration of an optical system according to Embodiment 1 of the present invention. figure 2 is along figure 1 The sectional view of the A-A line is to be compared with figure 1 A plane parallel to the XY plane in the shown rectangular coordinate system is a cross-sectional view of a cut plane. image 3 is along figure 1 The sectional view of the BB line is to be compared with figure 1 A plane parallel to the YZ plane in the shown rectangular coordinate system is a cross-sectional view of a cut plane. Figure 4 is along figure 1 The sectional view of line C-C is to be compared with figure 1 A plane parallel to the XZ plane in the shown rectangular coordinate system is a cross-sectional view of a cut plane. Figure 2-4 In the shown cross-sectional view, the cut plane passes through the center of the movable lens 21 described later.

[0025] figure 1 The shown optical system 1 has: an optical unit 2 capab...

Embodiment approach 2

[0097] Figure 7 It is a diagram showing the configuration of an endoscope system including the endoscope according to Embodiment 2 of the present invention. The endoscope system 50 shown in this figure has an endoscope 51 , a control device 55 , and a display device 57 . The endoscope 51 has any optical system among the optical systems 1 and 1a of the first embodiment or the modified example described above. Next, a case where the optical system 1 (optical unit 2 ) is provided will be described as an example.

[0098] The endoscope 51 can be introduced into a subject such as a human body to optically capture a predetermined observation site in the subject. In addition, the subject to be introduced by the endoscope 51 is not limited to the human body, and may be other living bodies, or man-made objects such as machines and buildings. In other words, the endoscope 51 may be a medical endoscope or an industrial endoscope.

[0099] The endoscope 51 has: an insertion part 52 w...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The imaging device of the present invention has: a movable frame, which holds the optical element and can move along a predetermined direction; a holding frame, which holds the movable frame so that it can move along a predetermined direction; and a voice coil motor, which has a magnet and a coil; a position detection unit that detects information related to the position of the movable frame relative to the holding frame to generate a position signal; a signal processing unit that generates a sum of a moving amount of the movable frame relative to the holding frame based on the position signal The driving signal related to the moving direction, and it is judged whether the position signal is normal; the imaging element; the image processing part, which generates an image signal according to the imaging signal; the first driving control part, which controls the current flowing through the coil according to the driving signal and drives the A moving frame; a second drive control unit that controls the current flowing through the coil according to the image signal to drive the movable frame; Select the drive control unit that performs the drive control of the movable frame from the sections.

Description

technical field [0001] The present invention relates to an imaging device and an endoscope system. Background technique [0002] An endoscope system is widely used in which an endoscope is introduced into a living body, and an image of a subject captured by the endoscope is observed to diagnose the living body. In an endoscope system, a depth of field as deep as possible is required so as not to hinder the diagnosis and treatment performed by operators such as doctors and nurses. In recent years, since the depth of field has become shallower due to higher pixel counts of imaging elements, endoscope systems that perform autofocus (hereinafter also referred to as AF: Auto focus) to focus on a subject have been proposed. As an actuator for performing autofocus, a voice coil motor (Voice Coil Motor: VCM) is generally used in many cases. [0003] As a problem unique to endoscopes, even when the drive unit for performing AF becomes uncontrollable during treatment, it is necessar...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/04
CPCA61B1/00096A61B1/00188A61B1/05A61B1/00006A61B1/00009A61B1/045A61B1/00133
Inventor 齐藤香那子
Owner OLYMPUS CORP