KR100566963B1 - Multipurpose digital camera for home care - Google Patents

Abstract

The present invention relates to a medical digital camera used in an imaging system for enlarging and observing a specific part of the human body, and more specifically, by enlarging and photographing the state of the skin, the scalp or the mouth, the ear, the nose, and the like. The present invention relates to a medical digital camera used in an imaging system that can be displayed on a patient's monitor so that the disease can be detected early and the affected area can be properly treated.

Multipurpose digital camera for home medical use in accordance with the present invention comprises a cylindrical body having a size suitable for a user's hand, a CMOS sensor installed vertically in front of the cylindrical body, and is installed horizontally inside the cylindrical body and has an image memory and a text switch. And a handle part comprising a main board on which a USB port is installed and a circuit for electrically connecting them is wired; An inner cylinder fixed to the front end of the cylindrical body, an outer cylinder rotatably coupled to the front end of the cylindrical body while surrounding the inner cylinder, a lens group inserted into the inner cylinder and moving forward and backward, and an outer peripheral surface of the lens group A lens adjuster formed of a spiral groove formed on an inner circumferential surface of the outer cylinder to insert a tip of a protruding rod formed in the outer cylinder; A light guide cap coupled to the tip of the inner cylinder and bent at a predetermined angle, a total reflection mirror inclined in the light guide cap, a light emitting diode emitting light by power supplied through a USB port, and a tip of the curved light guide cap Characterized in that comprises a light guide cap consisting of a protective cap coupled to.

Digital Camera, USB Port, Medical, Close-up, Skin, Nostril

Description

Multipurpose digital camera for home care

1 is a schematic configuration diagram showing an image system for observing a human body according to the prior art;

Figure 2 is a cross-sectional view showing a digital camera used in the imaging system for human body observation according to the prior art,

3 is a perspective view showing a digital camera according to the prior art,

4 is an exploded perspective view of the digital camera shown in FIG. 3;

5 is a perspective view showing a multi-purpose digital camera for home medical use in accordance with the present invention;

6 is an exploded perspective view showing a coupling relationship of the multipurpose digital camera according to the present invention shown in FIG. 5;

7 is a cross-sectional view showing the internal structure of the multipurpose digital camera according to the present invention shown in FIG. 5;

8 is an explanatory diagram showing an image magnification principle of a multipurpose digital camera according to the present invention;

9 is a perspective view showing the inner cylinder of the multipurpose digital camera according to the present invention;

10 is a cross-sectional view showing the outer cylinder of the multipurpose digital camera according to the present invention;

11 is a sectional view showing a cylindrical body of the multipurpose digital camera according to the present invention;

12 is a perspective view showing the inner cylinder of the multipurpose digital camera according to the present invention;

13 is a perspective view showing another embodiment of the inner cylinder according to the present invention;

14 is a sectional view showing an example of a lens group according to the present invention;

15 is a perspective view showing a light guide cap according to the present invention;

Figure 16 is a perspective view showing a stand on which the multi-purpose digital camera according to the present invention stands.

**** Description of the symbols for the main parts of the drawings ***

10: multi-purpose digital camera 20: inner cylinder

23: guide groove 25: inclined groove

30: handle portion 31: cylindrical body

50: lens control unit 55: lens group

60: outer cylinder 63: spiral groove

70: light guide cap 71: light guide cap

72: light emitting diodes 78: protective cap

79: auxiliary cap 80: coupling ring

The present invention relates to a medical digital camera used in an imaging system for enlarging and observing a specific part of the human body, and more specifically, by enlarging and photographing the state of the skin, the scalp or the mouth, the ear, the nose, and the like. The present invention relates to a medical digital camera used in an imaging system that can be displayed on a patient's monitor so that the disease can be detected early and the affected area can be properly treated.

The present invention can be easily connected to a personal computer (PC) through a USB port by observing the skin or the inside of the ear at home without expensive equipment, or parts that are difficult to directly observe with the naked eye such as back or neck The present invention relates to a multi-purpose digital camera for home healthcare that can be observed through a computer monitor and can also be used for general video communication.

1 is a schematic view showing a professional imaging system, which includes a digital camera 101 for enlarging and capturing an image of a human body and converting a photographed image into an electrical signal, and receiving an electrical image signal through a cable. And an image processing apparatus 105 for displaying on the monitor 103. And the digital camera 101 used in such an image system, as shown in Figure 2, a large cylindrical body portion 121, the light guide cap 151 detachably coupled to the front of the body portion 121. It consists of. The body 121 is provided with an image magnifying lens group 125 for enlarging an image and a CCD sensor 123 for converting the enlarged image into an electrical signal. In addition, a linear cylindrical portion 127 having a built-in magnification conversion lens group 129 for changing the magnification ratio of the picked-up image is rotatably installed between the light guide cap 151 and the body portion 121.

Accordingly, the reflected light reflected from the object to be inspected is totally reflected by the total reflection mirror 153 installed in the light guide cap 151 and is enlarged while passing through the magnification conversion lens group 127 and the image magnifying lens group 125. Is converted into an electrical video signal. The electrical video signal is input to the camera controller 105 through a cable, and the video signal processed by the camera controller is displayed on the monitor of the image processing apparatus 103.

3 and 4 show another example of a digital camera according to the prior art, and is largely composed of a tip portion 230, a connector portion 240, and a handpiece portion 250 as shown. A reflector 239 is provided at the tip of the tip portion 230. The connector 240 includes a connector 247 interconnecting the tip and the handpiece and a focus adjusting unit 245 and 249 for adjusting the focus. At this time, a space for accommodating the gyrator 245 for adjusting focus is formed in the connector 247, and a ball receiving hole for accommodating a ball (not shown), which is a part of the focus adjusting part, in the outside thereof ( 248 is formed, and a thread is formed outside the gyrator 245 to correspond to the thread formed inside the focus adjuster 249. The ball located at the ball receiving port 248 is inserted between the groove of the thread of the gyrator and the groove of the thread of the focus adjuster 249. Accordingly, when the focus adjuster 249 is rotated from side to side, the ball moves forward or backward on the ball receiving port 248 and at the same time, the gyrator 245 is moved back and forth within the connector 247 to focus.

However, the above-described human observation imaging system is a professional product, and not only a digital camera but also an image processing apparatus and a monitor are composed of one set, and thus, they are very expensive and thus cannot be used in homes, small factories and school laboratories. In particular, at home, there were inconveniences in that it was not easy to check the condition when a wound occurred in areas that are difficult to observe with the naked eye such as the mouth, ear, nose, scalp, skin, etc. In addition, the conventional digital camera is composed of a magnification conversion lens group and an image magnification lens group separately, or when using a light guide cap of a suitable magnification when adjusting the magnification of the inspected object, it is difficult to use easily in general homes. There was this.

On the other hand, in recent years, personal computers are widely used in homes, and video communication with distant people is enabled through digital cameras and the Internet. The present inventors have developed a multi-purpose digital camera that can be connected to a USB port of a personal computer to develop a multi-purpose digital camera capable of displaying on a personal computer monitor by magnifying and capturing difficult parts of the visual communication as well as normal visual communication. .

Accordingly, the present invention is to solve the problems of the prior art, and the main object of the present invention is to enlarge a specific part of the human body by making it easy to connect to a personal computer through a USB port without having a separate image processing device and a monitor. It is to provide a multi-purpose digital camera that not only photographs and displays it on a monitor of a personal computer but also can be used for general video communication.

The present invention also provides a multi-purpose digital camera having various magnifications to be used in various applications, the selection of the magnification ratios and the focusing of the magnifications can be easily used in a general home.

In order to achieve the above object, a multi-purpose digital camera for home medical use in accordance with the present invention, a cylindrical body having a size suitable for the user's hand, a CMOS sensor installed perpendicular to the front of the cylindrical body, and the inside of the cylindrical body A handle unit comprising a main board horizontally installed and a circuit board to which image memory, a text switch, and a USB port are installed and electrically connected thereto; An inner cylinder fixed to the front end of the cylindrical body, an outer cylinder rotatably coupled to the front end of the cylindrical body while surrounding the inner cylinder, a lens group inserted into the inner cylinder and moving forward and backward, and an outer peripheral surface of the lens group A lens adjuster formed of a spiral groove formed on an inner circumferential surface of the outer cylinder to insert a tip of a protruding rod formed in the outer cylinder, and two guide grooves formed in the inner cylinder in a longitudinal direction such that the protruding rod can pass therethrough; A light guide cap coupled to the tip of the inner cylinder and bent at a predetermined angle, a total reflection mirror inclined in the light guide cap, a light emitting diode emitting light by power supplied through a USB port, and a tip of the curved light guide cap Characterized in that comprises a light guide cap consisting of a protective cap coupled to.

The inner cylinder includes a flange portion having a plurality of fastening holes and a seating groove in which the CMOS sensor is mounted; It consists of a straight pipe portion formed with two guide grooves for guiding the protruding rods of the lens group in the longitudinal direction and a laying groove for installing a power line for supplying power to the light emitting diode.

The outer cylinder includes a fallopian tube portion which gradually expands in diameter so as to be rotatably coupled to the front end of the cylindrical body while surrounding the flange portion of the inner cylinder; Located in the outer circumferential portion of the straight tube portion of the inner cylinder and consists of a straight pipe portion which is formed with a spiral groove in a predetermined depth on the inner circumferential surface so that the tip of the protruding rod of the lens group can be inserted.

The lens group includes a cylindrical lens body for fixing at least one lens and a plurality of spacers formed on an inner circumferential surface of the lens body so as to keep the plurality of lenses spaced a predetermined distance from each other, and two protruding sides on the outer circumferential surface of the lens body. It consists of two protruding rods.

A plurality of ribs having fastening holes are formed in front of the cylindrical body to fix the flange portion of the inner cylinder, and a plurality of support ribs for supporting the main board are integrally formed on the inner circumferential surface thereof, and the outer cylinder is rotatable at the tip of the outer circumferential surface thereof. The engaging projection is formed integrally so that it can be combined.

      The end of the inner cylinder is provided with a ring-shaped coupling ring formed integrally with the engaging groove coupled to the engaging projection of the inner cylinder and the insertion protrusion inserted into the tip of the guide groove.

A plurality of inclined grooves are formed in the guide groove formed in the inner cylinder to enable fine adjustment.

The motherboard is equipped with a USB port and connected to a personal computer via a USB cable.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a multi-purpose digital camera for home medical use in accordance with the present invention. First, Figure 5 is a perspective view showing a multi-purpose digital camera for home medical use (hereinafter referred to as "multi-purpose digital camera") according to the present invention, Figure 6 is an exploded perspective view of a multi-purpose digital camera, Figure 7 is a multi-purpose digital camera of the present invention It is a combined section.

Referring to this, the multi-purpose digital camera 10 according to the present invention is largely composed of a handle portion 30, the lens control unit 50 and the light guide cap portion 70. The handle portion 30 is a CMOS sensor substrate having a cylindrical body 31 having a size suitable for a user's hand, and vertically installed in front of the cylindrical body 31 and mounted with a CMOS sensor 43 (or CCD sensor). (42), a main board (45) installed horizontally inside the cylindrical body (31) and two switches (35, 36) operatively installed on the outer circumferential surface of the cylindrical body (31).

At this time, the CMOS sensor 43 converts the image enlarged by the light guide cap 70 and the lens control unit 50 into an electrical signal. In addition, the main board 45 has an image memory 47 for storing an image converted into an electrical signal, a text switch 44 for turning on / off the multi-purpose digital camera 10 or turning on / off a light emitting diode. USB ports 49 electrically connected to a personal computer are mounted, and circuits for electrically connecting them are wired. In this case, the switches 35 and 36 are installed in the cylindrical body 31 to be in contact with the text switches 44 and 46 of the main board 45. In addition, the main board 45 is also provided with an LED 34 for displaying the operating state of the digital camera to the outside.

And the lens adjustment unit 50 is installed in the inner cylinder 20 is fixed to the front end of the cylindrical body 31 of the handle portion 30, the inner cylinder 20 while being rotatably installed on the tip of the cylindrical body 31 It consists of an outer cylinder 60 and a lens group 55 inserted into the inner cylinder 20 and moved forward and backward according to the rotation of the outer cylinder 60 to enlarge the picked-up image at an appropriate magnification.

The light guide cap 70 is fixed to the front end of the inner cylinder 20, the light guide cap 71 is bent at a right angle and the total reflection mirror 73 is inclined at a predetermined angle inside the light guide cap 71, and the light guide cap A chip type light emitting diode substrate 75 provided at the tip of 71 and a protective cap 78 detachably installed at the tip of the light guide cap 71. In addition, the tip of the protective cap 78 may be further provided with a transparent auxiliary cap 79 of the type used when observing a narrow hole, such as the ear, the nose.

Therefore, the multi-purpose digital camera 10 according to the present invention enlarges the image picked up through the light guiding cap part 70 at an appropriate magnification in the lens adjusting part 50, and then accurately focuses the enlarged image to the CMOS sensor 43. ) Is converted into an electrical signal and transmitted to a personal computer through a USB cable connected to the USB port 49 of the motherboard 45. The personal computer then runs predetermined software to display the captured image on the computer monitor. If necessary, the electrically converted image is stored in the image memory 47 of the motherboard.

As described above, the multi-purpose digital camera 10 according to the present invention can enlarge the body part such as the skin or the scalp, or close-up the part that is difficult to observe with the naked eye such as the nose or the ear and display it on a personal computer monitor. have. In addition, the multi-purpose digital camera 10 according to the present invention can be used for conventional video communication in addition to such magnification and close-up photography. Therefore, the multipurpose digital camera 10 according to the present invention has a structure in which a user can easily select various magnifications. For example, the multi-purpose digital camera 10 according to the present invention, as shown in Figure 8, the distance between the object to be inspected and the lens group 55, the lens group 55 and the CMOS sensor 43 (or CCD sensor) It has various magnifications such as × 140, × 46.9, and × 00 depending on the distance ratio with

Accordingly, the multi-purpose digital camera 10 according to the present invention is composed of an inner cylinder 20 and an outer cylinder 60, as shown in Figs. 9 and 10, the lens shift means for moving the lens group 55 forward and backward It is provided. The lens shift means includes two protruding rods 56 protruding outward from the lens group 55, and the protruding rods 56 along the length direction of the inner cylinder 20 so that the protruding rods 56 can be inserted and slide. It is composed of two guide grooves 23 formed, and the spiral grooves 63 are excavated to a predetermined depth so that the end of the protruding bar 56 can be inserted into the inner peripheral surface of the outer cylinder (60). Accordingly, when the outer cylinder 60 surrounding the inner cylinder 20 is rotated, the helical groove 63 formed on the inner circumferential surface is rotated to press the protruding rod 56 inserted into the spiral groove 63 forward and backward. Since the direction of movement by the guide groove 23 formed in the inner cylinder 20 is limited, the lens group 55 moves only in the front-rear direction. The distance between the object to be inspected and the lens group and the ratio of the distance between the lens group and the CMOS sensor are changed according to the horizontal movement of the lens group 55 to select an appropriate magnification.

As described above, the magnification and focus of the multipurpose digital camera 10 according to the present invention are determined by the rotation of the outer cylinder 60. Therefore, to accurately focus at a specific magnification, it is necessary to finely rotate the outer cylinder 60 at a specific position. For example, the number of the spiral grooves 63 formed in the outer cylinder 60 may be increased, or as shown in FIG. 13, a plurality of inclined grooves 25 may be provided in the guide groove 23.

Next, a detailed structure of the multipurpose digital camera 10 according to the present invention will be described in detail with reference to the accompanying drawings. First, Figure 11 is an exploded perspective view showing the structure of the cylindrical body 31 of the handle portion 30, the front fastening so that the flange portion 24 and the CMOS sensor substrate 42 of the inner cylinder 20 can be fixed together A plurality of ribs 37 formed with holes are integrally formed. In addition, a plurality of support ribs 38 are formed in the cylindrical body 31 to install the main board 45 horizontally, and a plurality of fixed ribs 39 are provided to prevent the USB cable from being separated from the rear of the cylindrical body 31. Is integrally formed. And the engaging protrusion 69 of a predetermined length is integrally formed in front of the outer peripheral surface of the cylindrical main body 31. As shown in FIG.

12 is a perspective view showing the structure of the inner cylinder 20 according to the present invention, and the two guide grooves 23 and the power line 74 guide the lens group 55 to be installed at a predetermined depth so as to be installed. A straight pipe portion 22 having a groove 76 and a plurality of fastening holes 28 are formed to be coupled to the ribs 37 of the cylindrical body 31 and the CMOS sensor 43 can be seated. The flange portion 24 formed with a recessed groove 26 deeply formed is integrally formed to form a T-shape as a whole. At this time, the power line 74 supplies power to the light emitting diode 72 installed at the tip of the light guide cap 71. The power line 74 penetrates through one side of the flange portion 24. The hole 29 is formed.

In addition, as shown in Figure 12, at the front end of the inner cylinder 20 is coupled to the coupling ring 80 for closing the guide groove 23 opened forward and for coupling the light guide cap (71). The coupling ring 80 has a ring shape and an insertion protrusion 83 and a light guide cap which are inserted into the end of the engaging groove 87 and the guide groove 23 which are coupled to the engaging projection 27 formed at the tip of the inner cylinder 20. A plurality of fixing grooves 85 for fixing 71 are integrally formed.

13 is a perspective view showing another embodiment of the inner cylinder 20 according to the present invention, in which a plurality of inclined grooves 25 are formed in two guide grooves 23 for guiding the lens group 55. When the inclined groove 25 is formed at a specific position requiring fine adjustment, the lens group 55 moves in the inclined direction along the inclined groove 25 even when the outer cylinder 60 is rotated at the same angle. The horizontal movement distance of the group 55 is shortened to allow fine adjustment.

14 is a cross-sectional view showing an example of the lens group 55 according to the present invention. As shown, the lens group 55 is composed of four lenses 51, 52, 53, 54 having different shapes and one filter 58, each lens is a cylindrical lens body ( The plurality of spacers 59 formed on the inner circumferential surface of the 57 keep a predetermined interval. In addition, the protruding rods 56 protrude to both sides on the outer circumferential surface of the lens body 57.

Referring back to the cross-sectional view of FIG. 10, the outer cylinder 60 includes a fallopian tube portion 66 whose diameter is gradually enlarged to be rotatably coupled to the tip of the cylindrical body 31, and an outer circumferential surface of the inner cylinder 20. It consists of a straight tube 68, which is closely located at. In addition, the inner circumferential surface of the straight pipe portion 68 is formed with a spiral groove 63 is excavated to a predetermined depth so that the tip of the protruding rod 56 can be inserted. In addition, the inner peripheral surface tip of the fallopian tube part 66 is formed with an annular locking groove 67 rotatably coupled to the locking projection 69 formed on the outer peripheral surface of the cylindrical body 31. Therefore, the outer cylinder 60 can be freely rotated in the state coupled to the front end of the cylindrical body (31).

15 is a perspective view showing the light guide cap 71 coupled to the tip of the inner cylinder 20, in which an elliptical total reflection mirror 73 is inclined at approximately 45 ° in a cylinder bent at a right angle. In addition, a ring-shaped substrate 75 on which the chip type light emitting diode 72 is mounted is installed at the stepped portion formed at the tip of the light guide cap 71. In addition, a protective cap 78 having a transparent window is installed outside the substrate 75. The protective cap 78 fixes the ring-shaped substrate 75 and prevents foreign matter from flowing into the light guide cap 71. A power supply line 74 is connected to the ring substrate 75.

Therefore, when taking a close-up picture of the object or a dark part such as the ear hole, the light emitted from the light emitting diode 72 is used. In this case, the light emitting diodes 72 of the substrate 75 may be arranged to be biased to one side rather than to be uniformly arranged as a whole, thereby increasing the resolution of the object under test. Therefore, the light emitted from the light emitting diode 72 is reflected from the object under test, and the picked-up image is totally reflected by the total reflection mirror 73 and transmitted to the lens group 55. At this time, the user rotates the outer cylinder 60 appropriately to adjust the magnification and focus. Then, the CMOS sensor 43 converts the electrical signal to a personal computer through a USB cable connected to the USB port 49 of the motherboard 45. The personal computer then runs predetermined software to display the photographed image on a computer monitor. The captured image (still image or moving image) may be stored in a computer or transmitted to the outside via the Internet.

On the other hand, Figure 16 is a perspective view showing an example of the camera stand 90 to stand the multi-purpose digital camera 10 according to the present invention. The camera stand 90 is rotated or fixed to stand the multi-purpose digital camera 10 at various angles. That is, the camera stand 90 is composed of a holding table 93 and the rotating table 95, the rotating table 95 is rotatably coupled to the holding table (93). Therefore, the multi-purpose digital camera 10 can be fixed at various angles by inserting the handle 30 of the multi-purpose digital camera 10 into the mount 96 of the swivel table 95. For example, in the case of a normal video call, it can be taken vertically, and when the assembly and repair of precision parts or the observation of the experimental sample are observed, the multi-purpose digital camera 10 can be photographed in a state fixed in the horizontal direction.

As described above, since the multi-purpose digital camera according to the present invention can be easily connected to a personal computer using a USB port, it is difficult to observe the scalp or skin at home without expensive equipment or to observe the naked eye such as the inside of the ear or the nose. It is easy to observe the effect.

In addition, since the multi-purpose digital camera according to the present invention can select various magnifications, it is possible not only to enlarge and photograph a precision part or a test sample, but also to use it for general video communication.

The present invention can also be easily used by anyone, such as a child or a housewife at home because the focus is precisely adjusted as well as selecting a variety of magnification by simply rotating the outer cylinder left and right.

In addition, the multi-purpose digital camera according to the present invention can be widely used in homes, small hospitals or small factories or school laboratories producing precision parts because the structure of the product is very simple and low in cost and convenient in maintenance.

Claims (9)

A cylindrical body having a size suitable for a user's hand, a CMOS sensor installed vertically in front of the cylindrical body, a horizontally installed inside the cylindrical body, an image memory, a text switch, and a circuit for electrically connecting them A handle part made of a wired main board; An inner cylinder fixed to the front end of the cylindrical body, an outer cylinder rotatably coupled to the front end of the cylindrical body while surrounding the inner cylinder, a lens group inserted into the inner cylinder and moving forward and backward, and an outer peripheral surface of the lens group A lens adjuster formed of a spiral groove formed on an inner circumferential surface of the outer cylinder to insert a tip of a protruding rod formed in the outer cylinder, and two guide grooves formed in the inner cylinder in a longitudinal direction such that the protruding rod can pass therethrough; A light guide cap coupled to the tip of the inner cylinder and bent at a predetermined angle, a total reflection mirror inclined in the light guide cap, a light emitting diode emitting light by externally supplied power, and a tip of the curved light guide cap It is configured to include a light guide cap made of a protective cap; The inner cylinder includes a flange portion having a plurality of fastening holes and a seating groove in which a CMOS sensor is seated, two guide grooves for guiding the protruding rods of the lens group in a longitudinal direction, and a power line for supplying power to the light emitting diode. A straight pipe portion having a laying groove formed therein, and a coupling ring installed at a distal end of the straight pipe portion; The outer cylinder is a trumpet tube portion gradually increasing in diameter so as to be rotatably coupled to surround the end of the flange portion and the handle portion of the inner cylinder, and is located in the outer peripheral portion of the straight tube portion of the inner cylinder and the protruding rod tip of the lens group is inserted A spiral groove formed on the inner circumferential surface so as to be dug to a predetermined depth; The lens group includes a cylindrical lens body for fixing at least one lens and a plurality of spacers formed on an inner circumferential surface of the lens body so as to keep the plurality of lenses spaced a predetermined distance from each other, and two protruding sides on the outer circumferential surface of the lens body. Multipurpose digital camera for home healthcare, characterized by consisting of two protruding rods. delete delete delete The method of claim 1, A plurality of ribs having fastening holes are formed in front of the cylindrical body to fix the flange portion of the inner cylinder, and a plurality of support ribs supporting the main board are integrally formed on the inner circumferential surface thereof, and the outer cylinder is rotatable at the tip of the outer circumferential surface thereof. Multipurpose digital camera for home medical, characterized in that the annular engaging projection is formed integrally so that it can be combined. delete The method of claim 1, The guide groove formed in the inner cylinder multi-purpose digital camera for home medical, characterized in that a plurality of inclined grooves are formed to enable fine adjustment.        The method of claim 1,         The light emitting diode is a multi-chip digital camera for home medical care, characterized in that a plurality of chip-shaped light emitting diodes are arranged unevenly on a ring-shaped substrate and the power is supplied through a power line and a USB port installed in the inner groove of the inner cylinder. The method of claim 1, The USB port installed on the motherboard is installed, the multipurpose digital camera for home medical, characterized in that connected to a personal computer via a USB cable.

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