KR101100318B1 - Dual oral camera to shoot teeth and face alternatively - Google Patents

Abstract

PURPOSE: A dual oral cavity camera is provided to improve the convenience of a user by including a tooth filming part and a face filming par in one apparatus. CONSTITUTION: A tooth filming part(120) is inserted in the inner side of an oral cavity of a patient. A face filming part(130) takes a photograph of a face of the patient. A main body is combined in one end of a telescopic part. An image pickup device(159) processes an image which is recorded in the tooth filming part and the face filming part. A selective penetration part selectively supplies one between the images which is recorded in the tooth filming part and the face filming part to the image pickup device.

Description

Dual oral camera that can selectively photograph teeth and face {DUAL ORAL CAMERA TO SHOOT TEETH AND FACE ALTERNATIVELY}

The present invention relates to a dual oral camera, and more particularly, to a dual oral camera that can photograph not only the patient's teeth but also the face.

When treating a patient at the dentist, dual oral cameras are used to accurately determine the patient's dental condition. Dual oral camera is inserted into the patient's oral cavity and outputs the image of the patient's oral cavity and dental condition to the outside for visual confirmation by the patient and doctor, and saves the captured image for future reference. Make sure

However, since the conventional dual oral camera only photographs the oral state or the dental state of the patient, it was difficult to identify the patient only by the image of the oral state photographed later.

An object of the present invention is to solve the above-mentioned problems, by selectively taking not only the oral state of the patient, but also to the patient's face, dual oral cavity which can easily identify the patient by storing the oral image and the face image together To provide a camera.

One aspect of the present invention for achieving the above technical problem relates to a dual oral camera that can selectively photograph the teeth and face. Dual oral camera of the present invention and the barrel is inserted into the oral cavity; A main body coupled to one end of the barrel portion; A teeth photographing unit provided at the other end of the barrel part to photograph teeth; A face photographing unit provided on one side of the barrel part to photograph the face; An imaging device provided inside the main body and processing an image photographed by the dental imaging unit and the facial imaging unit; A selective transmission unit provided in the front region of the imaging device and selectively supplying only the image photographed by any one of the dental imaging unit and the facial imaging unit to the imaging device according to whether power is supplied; And a control unit for supplying power to the selection transmission unit according to an input signal to selectively supply only the image photographed by any one of the dental imaging unit and the facial imaging unit to the imaging device.

According to an embodiment, the selection transmission unit may be a dimming glass unit in which a state is changed to one of glass and mirror according to whether power is supplied through the controller.

According to an embodiment, the selective transmission unit may include a polarizing plate selectively transmitting only one of a horizontal wave supplied from the tooth imaging unit and a longitudinal wave supplied from the face imaging unit according to whether power is supplied through the control unit.

According to an embodiment, the polarizer may be disposed between the barrel and the image pickup device to transmit a transverse wave supplied from the dental imaging unit and to reflect the longitudinal wave supplied from the face image pickup unit to supply the image to the image pickup device. A polarizing plate; And a blocking lens disposed on the face taking part to adjust whether or not the longitudinal wave photographed by the face taking part is supplied to the first polarizing plate.

According to an embodiment, the polarizer may be disposed between the barrel and the image pickup device to transmit a transverse wave supplied from the dental imaging unit and to reflect the longitudinal wave supplied from the face image pickup unit to supply the image to the image pickup device. A polarizing plate; And a second polarizing plate disposed between the image pickup device and the first polarizing plate to selectively transmit only one of a horizontal wave and a longitudinal wave supplied from the first polarizing plate to the image pickup device.

According to an embodiment, the tooth photographing unit is provided with tooth lighting that is turned on when photographing the teeth and turned off when photographing the face, and the face photographing unit is provided with facial illumination that is turned off when photographing the teeth and turned on when photographing the face.

According to one embodiment, the outer side of the main body is provided with a rotatable focus adjustment ring, the distance between the image pickup device and the selection transmission unit may be adjusted according to the rotation of the focus control ring to adjust the focus of the image.

Dual oral cavity camera according to the present invention can be taken with the patient's teeth and face according to the user's convenience, it can be easy to identify the patient by storing the dental image and the face image when storing the patient record.

In addition, since the dental imaging unit and the facial imaging unit are provided together in one device, the convenience of use of the user may be increased.

1 is a perspective view showing the external structure of the dual oral camera of the present invention,
Figure 2 is an exemplary view illustrating a state in which the image taking part of the tooth imaging unit of the dual oral cavity camera of the present invention,
3 is an exemplary view illustrating a state in which the face taking part of the dual oral cavity camera of the present invention to take an image,
4 and 5 is an exemplary view showing a state of use of the dual oral camera of the present invention,
6a and 6b are exemplary views showing a state of use of the dual oral camera according to another embodiment of the present invention,
7A and 7B are exemplary views illustrating a state of use of the dual buccal camera according to another embodiment of the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiment of the present invention may be modified in various forms, the scope of the invention should not be construed as limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shape of the elements in the drawings and the like may be exaggerated to emphasize a more clear description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted.

1 is a perspective view showing the external structure of the dual oral camera 100 according to the present invention, Figures 2 and 3 is an exemplary view schematically showing the internal structure of the dual oral camera 100 according to the present invention.

As shown, the dual oral camera 100 according to the present invention has a predetermined length and is provided in the end portion of the barrel portion 110 and the barrel portion 110, which is inserted into the patient's mouth, the body is mounted by the worker by hand ( 140).

An end portion of the barrel part 110 is provided with a tooth taking part 120 inserted into the patient's mouth to photograph teeth, and a face photographing part 130 is provided on the side of the barrel part 110 to photograph the patient's face. .

The barrel part 110 is provided in a cylindrical shape having a predetermined diameter and is provided with a predetermined length so that the barrel part 110 can be inserted into the oral cavity of the patient. Is provided.

The dental imaging unit 120 photographs the dental state of the patient. The dental imaging unit 120 is disposed in a direction orthogonal to the longitudinal direction of the barrel 110. The dental imaging unit 120 changes the movement direction of the image taken by the dental light 125 for irradiating light, the objective lens 123 for capturing an image when the light is irradiated inside the oral cavity, and the objective lens 123. And a prism 121 projecting onto the barrel lens 111.

The objective lens 123 receives the light reflected from the subject and serves to make an image in the imaging device unit 150. The objective lens 123 may use a positive optical element to freely adjust the viewing angle.

The prism 121 refracts the image captured by the objective lens 123 by 90 degrees and projects the image on the barrel lens 111.

The dental light 125 irradiates light in the tooth direction to form an image in the objective lens 123. The dental lighting 125 may be powered on / off under the control of the controller 190 so that the dental image generated by the objective lens 123 may be supplied to the imaging device unit 150. The dental lighting 125 is turned off when the user moves the selection button 143 toward the face taking part 130 and is turned off. When the user moves the selection button 143 toward the tooth taking part 120, the power is turned off. It is supplied and turned on.

The barrel lens 111 is provided inside the barrel portion 110 to project the image refracted by the prism 121 to the image pickup device portion 150. The barrel lens 111 may be provided as an assembly of a plurality of lenses. The barrel lens 111 may be provided as an imaging lens, a relay lens, or the like.

The barrel lens 111 may be provided with a constant focus value, or the operator may adjust the focus value by the focus adjustment ring 180.

The face photographing unit 130 is provided on the side of the barrel portion 110 to photograph the face of the patient. The facial imaging unit 130 is disposed to be spaced apart from the dental imaging unit 120 by a predetermined distance.

The facial imaging unit 130 photographs the patient's face after the operator inserts the dental imaging unit 120 into the oral cavity to complete the oral imaging, or before starting the oral imaging.

The face photographing unit 130 includes a pinhole lens 131 for photographing a patient's face and a face light 133 for irradiating light to the face for photographing. The face photographing unit 130 may further include a plurality of lenses in some cases. The focus value of the pinhole lens 131 may be fixed to an optimized value in consideration of the distance from the image pickup device.

A second dimming glass 163 is provided adjacent to the pinhole lens 131 to project or reflect the face image projected through the pinhole lens 131 into the main body 140.

Body 140 is coupled to the other side of the barrel portion 110 is mounted to the user's hand, and receives an input signal. The main body 140 includes a main body casing 141 coupled to the barrel portion 110, a power applying button 142 provided on the surface of the main body casing 141, a tooth photographing unit 120, and a face photographing unit 130. The selection button 143 for selecting any one of the, and the shooting button 145 that is pressed for the image is provided.

The main body casing 141 is fixedly coupled to the front barrel portion 110. The imaging device unit 150 is accommodated in the main body casing 141, and a focus adjustment ring 180 is rotatably provided outside the main body casing 141.

The inner ring surface of the main body casing 141 is provided with an adjustment ring coupling protrusion 141a coupled to the focus control ring 180. The adjustment ring coupling protrusion 141a is coupled to the button accommodation groove 181 on the inner surface of the focus control ring 180.

The power applying button 142 receives input of power supply into the main body. Here, the dual buccal camera 100 according to the present invention may be powered by a built-in battery (not shown), or may be powered by a power supply cable. At this time, a USB cable of a computer may be used.

The selection button 143 allows power to be supplied to the dimming glass unit 160. As a result, power is selectively supplied to the first dimming glass 161 and the second dimming glass 163 so that the respective dimming glasses 161 and 163 are converted into one of the glass and the mirror.

The photographing button 145 allows the tooth image or the face image to be photographed by pressing.

On the other hand, the plate surface of the main body casing 141 is provided with a projection receiving groove 147 formed through a predetermined length in the circumferential direction. The projection receiving groove 147 is inserted into the engaging projection 153 protruding to the plate surface of the imaging device unit 150 to be coupled to the focus control ring 180 disposed on the outermost. The coupling protrusion 153 is fixed to the focus adjustment ring 180 and moves along the projection accommodation groove 147 when the focus adjustment ring 180 is rotated. Accordingly, the imaging device 159 and the dimming lens unit 160 are rotated. The distance between the () may be adjusted to adjust the focus.

The image pickup device unit 150 processes the image projected through the dimming glass 160 and transmits the image to the controller 190. The imaging device unit 150 includes an imaging device casing 151 accommodated in the main body casing 141, a coupling protrusion 153 protruding from the plate surface of the imaging device casing 151, and a plate surface of the imaging device casing 151. And a cam protrusion 157 inserted into the cam 157, and an imaging device 159 for processing the captured image.

The imaging device casing 151 is provided in a cylindrical shape having a predetermined length and accommodated in the body casing 141. A thread 151a is provided on the front surface of the imaging device casing 151 and is coupled to the barrel portion 110.

The engaging projection 153 is formed to protrude a predetermined length radially outward from the plate surface of the imaging device casing 151 and is exposed to the outside of the body casing 141 through the projection accommodation groove 147 to fix the projection of the focus control ring 180. It is inserted into a groove (not shown). The coupling protrusion 153 is fixed to the focus adjustment ring 180 so that the imaging device casing 151 rotates in conjunction with the rotation of the focus adjustment ring 180.

When the imaging device casing 151 is rotated through the coupling protrusion 153 by the rotation of the focus adjustment ring 180, the cam 155 moves the imaging device casing 151 linearly to the left and right to the imaging device 159. And the distance between the dimming lens unit 160 is adjusted. The cam 155 is formed to be inclined at an angle in an oblique direction as shown in the figure, and is disposed at different inclination angles by length so that the operator rotates the focus adjustment ring 180 at a predetermined angle according to the guide of the cam protrusion 157. Only adjust as much as possible.

The imaging device 159 converts an incident image into an electrical signal. It may be provided as a coupled device or a complementary metal oxide semiconductor (CMOS) image sensor.

The dimming glass unit 160 reflects or projects an image according to whether power is supplied to selectively project the image photographed by the dental imaging unit 120 and the image photographed by the face imaging unit 130 to the imaging device unit 150. do. The dimming glass unit 160 includes a first dimming glass 161 disposed coaxially with the tooth imaging unit 120 and a second dimming glass 163 disposed in contact with the pinhole lens 131 of the face imaging unit 130. ).

Each of the dimming glasses 161 and 163 is in a glass state when power is applied, and projects an incident image as shown in FIG. 2, and reflects an image incident in a mirror state when power is not applied.

When the selection button 143 is set toward the tooth imaging unit 120, power is supplied to the first dimming glass 161 so that the first dimming glass 161 is in a glass state, and the second dimming glass 163 is in a mirror state. do. Accordingly, the tooth image photographed by the tooth photographing unit 120 disposed in the lateral direction with respect to the first dimming glass 161 is projected onto the image pickup device unit 150 positioned on the same straight line, and the pinhole lens 131 The photographed facial image is reflected by the second dimming glass 163.

On the other hand, when the selection button 143 is set to the face photographing unit 130 side, power is supplied to the second dimming glass 163 to be in a glass state, and the first dimming glass 161 is cut off to supply a mirror state. do. Accordingly, when the image photographed by the dental imaging unit 120 is incident on the first dimming glass 161, the image is reflected and supplied to the lower region of the dimming glass 160, and the image captured by the face imaging unit 130 is the second image. The light is projected from the dimming glass 163 and supplied to the main body 140, and is reflected from the first dimming glass 161 to be projected onto the imaging device unit 150.

The focus adjustment ring 180 is provided at the coupling region of the barrel 110 and the main body 140, and adjusts the focus value by adjusting the distance between the image pickup device unit 150 and the barrel lens 111 according to the amount of rotation. When the focus adjustment ring 180 rotates, the main body casing 141 and the imaging device casing 151 rotate together, and convert the rotational motion into a linear motion according to the shape of the cam 155 to capture the image pickup device 150. Is linearly moved inside the main body 140.

Here, the focus adjustment ring 180 according to the preferred embodiment of the present invention, when the user rotates by hand, the body casing 141 and the imaging device casing 151 is rotated to adjust the focus, but in some cases automatic You can also adjust the focus with. That is, a separate focus control button (not shown) is provided on the outside of the main body 140, and the driving motor (not shown) is coupled to the focus control ring 180 so that the user presses the focus control button (not shown). As a result, the driving force of the driving motor (not shown) may be transmitted to the focus control ring 180 to be rotated.

The controller 190 controls the image photographed by either the dental imaging unit 120 or the facial imaging unit 130 to be output to the outside through the output terminal according to the input signal. The controller 190 includes an image processing circuit for processing an image received from the imaging device unit 150. The controller 190 may be implemented as a chip processor that receives an image projected through a plurality of lenses and performs functions such as exposure, gamma, gain adjustment, white balance, color, and matrix of the camera.

The controller 190 transmits the processed image to an external device such as a computer in real time so that the user can visually check the image.

Here, one side of the main body 140 is provided with an output terminal (not shown) for outputting the image to the outside, the output terminal (not shown) is connected to a computer (not shown) by a cable to display or store the image taken Can be.

In some cases, the main body 140 may be provided with a storage unit (not shown) that stores an image. The storage unit (not shown) may be provided as a portable storage medium such as a USB memory or an SD card to be detachably used.

In some cases, the captured image may be transmitted to an external device wirelessly using near field communication.

The operation of the dual oral camera 100 according to the present invention having such a configuration will be described with reference to FIGS. 1 to 5.

First, when the user wants to photograph the patient's teeth, as shown in FIG. 4, the barrel part 110 is inserted into the oral cavity. Then, in a state where power is applied to the power button 142, the selection button 143 is pressed toward the tooth imaging unit 120.

Since the first dimming glass 161 is in a glass state and the second dimming glass 163 is in a mirror state, an image photographed by the dental imaging unit 120 is supplied to the imaging device unit 150.

On the other hand, when the teeth are photographed, the dual oral camera 100 is disposed in the transverse direction with respect to the face as shown in FIG. Accordingly, the face photographing unit 130 is disposed in front of the face.

The user presses the selection button 143 toward the face photographing unit 130. According to the power supply, the first dimming glass 161 is converted into a mirror state and the second dimming glass 163 is converted into a glass state. Accordingly, the image photographed by the face photographing unit 130 is reflected by the first dimming glass 161 to be projected onto the image pickup device unit 150, and is output to an external device (not shown) by the controller 190.

The output tooth image and facial image may be stored together to facilitate identification of the patient for later storage.

As described above, the dual oral cavity camera according to the present invention can photograph the patient's teeth and the face at the convenience of the user, thereby facilitating patient identification by storing the dental image and the facial image together when storing the patient record.

In addition, since the dental imaging unit and the facial imaging unit are provided together in one device, the convenience of use of the user may be increased.

6A and 6B are exemplary views illustrating a configuration and an operation process of the dual oral camera 100a according to the second embodiment of the present invention.

Dual oral camera 100 according to a preferred embodiment of the present invention described above is a dental imaging unit 120 and a facial imaging unit using the dimming glass (161,163) is converted to a mirror state and a glass state according to the power supply The image photographed in any one of 130 is supplied to the image pickup device unit 150.

On the other hand, the dual oral camera 100a according to another embodiment of the present invention uses the polarizing plate 200 to capture an image photographed by any one of the tooth imaging unit 120 and the face imaging unit 130. 150).

As illustrated in FIG. 6A, the polarizer 200 of the present invention may include a first polarizing plate 210 disposed obliquely between the barrel lens 111 and the image pickup device 159, and a pinhole lens of the face imaging unit 130. And a blocking lens 220 disposed in contact with the 131.

The first polarizing plate 210 is provided so as to transmit only a dental image having a reference wavelength. When the tooth image has a reference wavelength, the face image is provided to have a phase difference of 90 degrees with respect to the reference wavelength.

Accordingly, the first polarizing plate 210 transmits the dental image photographed by the dental imaging unit 120 to the imaging device 159, and reflects the facial image photographed by the facial imaging unit 130 to the imaging device 159. .

The blocking lens 220 blocks the image photographed by the face taking part 130 from being supplied to the first flat plate 210 when the tooth taking part 120 is taken. The blocking lens 220 is converted into a glass state according to whether the power is supplied to transmit the face image to the first polarizing plate 210 or to a mirror state to reflect the face image from the surface.

When photographing a tooth through the dental imaging apparatus 100a according to another embodiment of the present invention, as shown in FIG. 6a, power is supplied to the dental lighting 125 and the facial lighting 133 cuts off the power supply. Then, the power supply to the blocking lens 220 is cut off to a mirror state, and the face image is blocked from being supplied to the first polarizing plate 210.

Since the dental image photographed by the dental imaging unit 120 has a reference wavelength, the dental image may be transmitted to the imaging device 159 through the first polarizing plate 210.

On the other hand, when photographing the face as shown in Figure 6b cuts the power to the dental lighting (125) and the facial lighting (133) supplies power. Then, power is supplied to the blocking lens 220 to convert to a glass state so that the face image is supplied to the first polarizing plate 210.

The tooth image photographed by the tooth imaging unit 120 is supplied through the first polarizing plate 210, but since the tooth lighting 125 is turned off, the tooth image is dark and cannot be recognized by the imaging device 159. The face image photographed by the face photographing unit 130 is reflected from the surface of the first polarizing plate 210 and supplied to the imaging device 159.

Here, since the dental imaging unit 120 is inserted into the oral cavity, when the dental lighting 125 is turned off, the photographed dental image is dark and cannot be recognized by the imaging device 159. On the other hand, since the face photographing unit 130 is disposed indoors, even if the face light 133 is turned off, the captured face image can be sufficiently recognized by the image pickup device 159. Accordingly, when the tooth is photographed, the blocking lens 220 blocks the supply of the face image regardless of whether the face light 133 is supplied with power, thereby preventing the face image from interfering with the tooth image.

On the other hand, Figure 7a and 7b is a schematic diagram showing the configuration of the dental imaging device 100b according to another embodiment of the present invention briefly.

In the dental imaging apparatus 100a according to another embodiment of the present invention described above, the blocking lens 220 controls whether the facial image photographed by the facial imaging unit 130 is supplied. On the other hand, the dental imaging apparatus 100b according to another embodiment of the present invention includes a second polarizing plate 320 between the first polarizing plate 310 and the imaging device 159. The second polarizing plate 320 selectively transmits either a dental image having a reference wavelength or a face image having a phase difference of 90 degrees with respect to the reference wavelength depending on whether power is supplied.

Accordingly, the second polarizing plate 320 selectively transmits any one of a tooth image and a face image supplied through the first polarizing plate 310.

As shown in FIG. 7A, the tooth image having the reference wavelength is transmitted through the first polarizing plate 310 to be incident on the second polarizing plate 320, and the facial image has a phase difference of 90 degrees with respect to the reference wavelength. The light is reflected by the first polarizing plate 310 and enters the second polarizing plate 320. At this time, since the second polarizing plate 320 only enters the reference wavelength, the face image does not penetrate the second polarizing plate 320, and only the tooth image having the reference wavelength passes through the second polarizing plate 320 to the imaging device 159. Supplied.

On the other hand, when photographing the face image as shown in FIG. 7B, the second polarizing plate 320 transmits a wavelength having a phase difference of 90 degrees with respect to the reference wavelength. Accordingly, the tooth image that is the reference wavelength transmitted through the first polarizing plate 310 does not penetrate the second polarizing plate 320, and only the face image passes through the second polarizing plate 320 and is supplied to the imaging device 159.

The embodiment of the dual buccal camera of the present invention described above is merely exemplary, and those skilled in the art will appreciate that various modifications and other equivalent embodiments are possible therefrom. Could be. Therefore, it will be understood that the present invention is not limited to the forms mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

100: dual oral camera 110: barrel
111: barrel lens 115: coupling ring
120: tooth imaging section 121: prism
123: objective 125: tooth illumination
130: face imaging unit 131: pinhole lens
133: facial lighting 140: main body
141: main body casing 141a: adjustment ring coupling protrusion
142: power button 143: selection button
145: shooting button 147: projection receiving groove
150: image pickup device portion 151: image pickup device casing
151a: thread 153: engaging protrusion
155: cam 157: cam protrusion
159: imaging device 160: dimming glass portion
161: first dimming glass 163: second dimming glass
180: focusing ring 181: button receiving groove
190: controller 200: polarizer
210: first polarizing plate 220: blocking lens
300: polarizing plate portion 310: first polarizing plate
320: second polarizing plate

Claims (8)

delete In the dual oral camera that can selectively photograph the patient's teeth and face,
The other end is inserted into the patient's mouth is provided with a tooth taking part for photographing the patient's teeth, one side is provided with a neck portion having a face taking part for photographing the patient's face;
A main body coupled to one end of the barrel part, having a selection button for selecting one of the tooth photographing part and the face photographing part;
An imaging device provided in the main body to process an image photographed by the tooth photographing unit and the face photographing unit;
A selective transmission unit provided in the front region of the imaging device and selectively supplying only the image photographed by any one of the dental imaging unit and the facial imaging unit to the imaging device according to whether power is supplied; And
And a control unit which supplies power to the selection transmission unit according to an input signal so that the selection transmission unit selectively supplies only the image photographed by any one of the dental imaging unit and the facial imaging unit to the imaging device.
The selective transmission unit,
A first dimming glass which is disposed coaxially with the tooth imaging unit and whose state is converted into a mirror and glass depending on whether power is supplied;
A second dimming glass disposed in contact with the face photographing unit and converted into a mirror and glass according to whether power is supplied;
When the selection button is set to the tooth photographing unit side, power is supplied to the first illuminating glass so that the first illuminating glass is in a glass state and the second illuminating glass is in a mirror state, which is photographed by the tooth capturing unit. Only an image is supplied to the image pickup device,
When the selection button is set to the face photographing unit side, power is supplied to the second illuminating glass such that the second illuminating glass is in a glass state and the first illuminating glass is in a mirror state, and the face photographing unit is photographed. Dual oral camera, characterized in that only the image is supplied to the image pickup device.
delete In the dual oral camera that can selectively photograph the patient's teeth and face,
The other end is inserted into the patient's mouth is provided with a tooth taking part for photographing the patient's teeth, one side is provided with a neck portion having a face taking part for photographing the patient's face;
A main body coupled to one end of the barrel part, having a selection button for selecting one of the tooth photographing part and the face photographing part;
An imaging device provided in the main body to process an image photographed by the tooth photographing unit and the face photographing unit;
Among the facial images provided in the front region of the image pickup device and having a wavelength of 90 degrees with respect to the reference wavelength supplied from the tooth imaging unit and the reference wavelength supplied from the face imaging unit according to the power supply. A selective transmission unit selectively supplying any one to the image pickup device; And
And a control unit supplying power to the selection transmission unit according to an input signal so that the selection transmission unit selectively supplies only the image supplied from one of the dental imaging unit and the facial imaging unit to the imaging device.
The selective transmission unit,
The tooth image of the reference wavelength supplied from the tooth imaging unit is disposed obliquely between the barrel and the image pickup device, and the facial image having a wavelength having a phase difference of 90 degrees with respect to the reference wavelength supplied from the face imaging unit is A first polarizing plate for reflecting and supplying the image pickup device;
And a blocking lens disposed on the face photographing unit, the state of which is converted into a mirror and glass according to power supply, and controlling whether or not the face image supplied from the face photographing unit is supplied to the first polarizing plate.
When the selection button is set to the teeth photographing unit side, the power supply to the blocking lens is cut off to become a mirror state to block the face image from being supplied to the first polarizing plate,
When the selection button is set to the face taking part side, the power supply is supplied to the cut-off lens is a glass state, the dual oral camera, characterized in that the face image is supplied to the first polarizing plate.
In the dual oral camera that can selectively photograph the patient's teeth and face,
The other end is inserted into the patient's mouth is provided with a tooth taking part for photographing the patient's teeth, one side is provided with a neck portion having a face taking part for photographing the patient's face;
A main body coupled to one end of the barrel part, having a selection button for selecting one of the tooth photographing part and the face photographing part;
An imaging device provided in the main body to process an image photographed by the tooth photographing unit and the face photographing unit;
Among the facial images provided in the front region of the image pickup device and having a wavelength of 90 degrees with respect to the reference wavelength supplied from the tooth imaging unit and the reference wavelength supplied from the face imaging unit according to the power supply. A selective transmission unit selectively supplying any one to the image pickup device; And
And a control unit supplying power to the selection transmission unit according to an input signal so that the selection transmission unit selectively supplies only the image supplied from one of the dental imaging unit and the facial imaging unit to the imaging device.
The selective transmission unit,
Disposed between the barrel and the image pickup device to transmit a tooth image of a reference wavelength supplied from the tooth imaging unit and to reflect a face image having a wavelength having a phase difference of 90 degrees with respect to the reference wavelength supplied from the face imaging unit A first polarizing plate supplied to the imaging device;
Only one of the tooth image of the reference wavelength is provided between the image pickup device and the first polarizing plate and having a wavelength having a phase difference of 90 degrees with respect to the reference wavelength supplied from the face imaging unit And a second polarizing plate selectively passing through the image pickup device.
When the selection button is set to the tooth photographing unit side, the second polarizing plate is incident only to the reference wavelength, and only the tooth image of the reference wavelength supplied from the tooth photographing unit passes through the second polarizing plate and is supplied to the imaging device.
When the selection button is set to the face taking part side, the second polarizing plate transmits only a wavelength having a phase difference of 90 degrees with respect to the reference wavelength, and thus has a wavelength having a phase difference of 90 degrees with respect to the reference wavelength supplied from the face taking part. Dual oral camera, characterized in that only the face image having passed through the second polarizing plate is supplied to the image pickup device.
The method according to any one of claims 2, 4 or 5,
The tooth photographing unit is provided with a tooth light that is turned on when photographing the teeth and turned off when taking a facial shot,
Dual face oral camera, characterized in that the facial imaging unit is provided with facial lighting that is turned off when photographing the teeth and turned on during facial imaging.
The method according to any one of claims 2, 4 or 5,
The outer side of the main body is provided with a rotatable focus adjustment ring,
Dual oral camera, characterized in that to adjust the focus of the image by adjusting the interval between the image pickup device and the selection transmission unit in accordance with the rotation of the focus adjustment ring.
The method of claim 7, wherein
The focus control ring is a dual oral camera characterized in that the rotation amount is automatically adjusted by the drive motor provided in the main body according to the power supply to adjust the focus of the image.

Images