Abstract: To enable to display a scale indicative of a reference length on a screen of a display at an accurate length even when exchanging the lens in an image pickup apparatus to any lens. In a case of mounting an exchange lens (4F, 4Z) to an image pickup apparatus main body (3) and displaying an image of an object picked up by an image sensor (2) and a scale (5) indicative of a reference length in juxtaposition on a screen of a display (6), a previously measured optical magnification or an actual magnification is outputted from optical magnification outputting means (8) provided to the exchange lens (4F, 4Z) is outputted, an actual magnification on the screen of the display (6) is calculated based on the optical magnification, the size for the image sensor and the screen size, and the size of the scale on the screen is set based on the actual magnification and the reference length of the scale by a scale setting means (17).

Abstract: To enable to display a scale indicative of a reference length on a screen of a display at an accurate length even when exchanging the lens in an image pickup apparatus to any lens. In a case of mounting an exchange lens (4F, 4Z) to an image pickup apparatus main body (3) and displaying an image of an object picked up by an image sensor (2) and a scale (5) indicative of a reference length in juxtaposition on a screen of a display (6), a previously measured optical magnification or an actual magnification is outputted from optical magnification outputting means (8) provided to the exchange lens (4F, 4Z) is outputted, an actual magnification on the screen of the display (6) is calculated based on the optical magnification, the size for the image sensor and the screen size, and the size of the scale on the screen is set based on the actual magnification and the reference length of the scale by a scale setting means (17).

Abstract: An illumination apparatus used by connecting an illumination head to a power source device, capable of supplying a rated current to individual light emitting devices of the illumination head by using a power source device of an identical rating irrespective of the specification of the illumination head, wherein the illumination head has a current detection resistor for detecting current flowing through the power supply circuit, and the resistance value of the resistor is selected so as to cause a voltage drop equal with a predetermined reference potential when a rated current is supplied to each of the light emitting devices, and the power source device is provided with a current controller for controlling the supplied current such that the potential for the voltage drop caused by the current detection resistor is equal with the reference potential.

Abstract: A lighting apparatus in which plural light emitting devices for illuminating light to an object to be illuminated from the periphery thereof are put to light control, and a control device is provided for controlling light to the light emitting devices on every segment divided isogonally with respect to the lighting center at which the light is focused by a control device, wherein the control device 6 comprises an illuminance distribution setter 7 that sets the illuminance on every segments S1 to S4 individually in accordance with the start position of a vector that represents the lighting direction to the lighting center F on the XY coordinate plane D with the lighting center F being as an origin P0, and a light controller 9 that reads out the illuminance on every segment from the illuminance distribution setter 7 in accordance with the input data from a two dimensional data input device 8 that sets the start position and controls the light.

Abstract: A current to light emitting devices when an application voltage is at or higher than the lower limit voltage for lighting determined by the arrangement of the light emitting devices, and an identification circuit that outputs a current identification signal in accordance with an appropriate current for the lighting circuit when the application voltage is lower than the lower limit value for lighting, and the power supply comprises a driving power supply that applies a lighting voltage at or higher than the lower limit voltage for lighting, an identification power supply that applies an identification voltage at or lower than the lower limit voltage for lighting, a current setter that sets an appropriate current to be supplied to the lighting circuit based on the current identification signal outputted from the identification circuit.

Abstract: An imaging apparatus in which an imaging head having an observation hole for intaking images of an object to be observed formed at a top end is exchangeably mounted to a main body having an imaging device and an illumination light source wherein the imaging head is provided with a plurality of optical fibers for guiding a light from the illumination light source and illuminating the same to the object, light incident ends of respective optical fibers are disposed at positions opposing to emission ends of the illumination light source, and the light emission ends are circularly disposed around the image pick-up optical axis, whereby an appropriate illumination light in accordance with a magnifying ratio can be illuminated without disposing an illumination light source such as of LEDs to an imaging head such as an exchangeable lens unit.

Abstract: An illumination apparatus for illumination of light by emitting light from LED for each of RGB colors capable of optionally setting a color temperature and controlling the brightness after the setting while maintaining the color temperature as it is, in which a light control circuit supplies a light control voltage for variably controlling the light quantity of the illumination light equally to each color setting circuit connected with LED of each color which is lit by a light quantity in proportion with a driving current and a color temperature setter of the color temperature setting circuit adjusts the light control voltage by a predetermined ratio to a control voltage, and a constant current circuit outputs a driving current in accordance with the control voltage to each LED for each of RGB colors.

Abstract: A flexible wiring substrate forms a light emitting device array attached to a frustoconical inner circumferential surface that serves as a light emitting device arranging surface of an annual oblique light illumination apparatus. A plurality of arcuate zonal wiring patterns for mounting light emitting devices are provided. Each wiring pattern is in the form of a developed frustoconical shape. The wiring patterns are serpiginously provided continuously directly or by way of connecting wiring patterns to a base film of a predetermined shape.

Abstract: An annular oblique light illumination apparatus manufactured by using a flexible wiring substrate in which a plurality of arcuate zonal wiring patterns each in the form of a developed frustconical shape as a light emitting device arranging surface when cut along the pattern are serpiginously formed continuously to a base film of a predetermined shape, by setting and soldering light emitting devices to the arcuate zonal wiring patterns, cutting out the arcuate zonal wiring patterns to form light emitting device arrays and fixing the same to the arranging surface, whereby the wiring substrate can be supported reliably without using any special jig conforming the arcuate shape of the wiring patterns for mounting the light emitting devices, thereby improving the soldering operation efficiency, saving the troubles of exchange and handling of jigs and further, avoiding slackening or distortion of the wiring substrate even in a case of applying soldering by a flow soldering apparatus.

Abstract: A lighting method capable of lighting individual light emitting devices in a lighting head connected to a power supply each at a rated current irrespective of the specification of the lighting head by using a power supply of an identical specification, and a lighting apparatus used for the lighting method, the lighting apparatus comprises lighting heads each having one or more light emitting devices arranged in any optional pattern and comprising a lighting circuit that supplies a current to light emitting devices when an application voltage is at or higher than the lower limit voltage VLmin for lighting determined by the arrangement of the light emitting devices, and an identification circuit that outputs a current identification signal in accordance with an appropriate current for the lighting circuit when the application voltage is lower than the lower limit value for lighting, and the power supply comprises a driving power supply that applies a lighting voltage at or higher than the lower limit voltage fo

Abstract: A lighting apparatus in which plural light emitting devices for illuminating light to an object to be illuminated from the periphery thereof are put to light control, and a control device is provided for controlling light to the light emitting devices on every segment divided isogonally with respect to the lighting center at which the light is focused by a control device, wherein the control device 6 comprises an illuminance distribution setter 7 that sets the illuminance on every segments S1 to S4 individually in accordance with the start position of a vector that represents the lighting direction to the lighting center F on the XY coordinate plane D with the lighting center F being as an origin P0, and a light controller 9 that reads out the illuminance on every segment from the illuminance distribution setter 7 in accordance with the input data from a two dimensional data input device 8 that sets the start position and controls the light.

Abstract: An illumination apparatus for illumination of light by emitting light from LED for each of RGB colors capable of optionally setting a color temperature and controlling the brightness after the setting while maintaining the color temperature as it is, in which a light control circuit supplies a light control voltage for variably controlling the light quantity of the illumination light equally to each color setting circuit connected with LED of each color which is lit by a light quantity in proportion with a driving current and a color temperature setter of the color temperature setting circuit adjusts the light control voltage by a predetermined ratio to a control voltage, and a constant current circuit outputs a driving current in accordance with the control voltage to each LED for each of RGB colors.

Abstract: An annular oblique light illumination apparatus manufactured by using a flexible wiring substrate in which a plurality of arcuate zonal wiring patterns each in the form of a developed frustconical shape as a light emitting device arranging surface when cut along the pattern are serpiginously formed continuously to a base film of a predetermined shape, by setting and soldering light emitting devices to the arcuate zonal wiring patterns, cutting out the arcuate zonal wiring patterns to form light emitting device arrays and fixing the same to the arranging surface, whereby the wiring substrate can be supported reliably without using any special jig conforming the arcuate shape of the wiring patterns for mounting the light emitting devices, thereby improving the soldering operation efficiency, saving the troubles of exchange and handling of jigs and further, avoiding slackening or distortion of the wiring substrate even in a case of applying soldering by a flow soldering apparatus.

Abstract: An illumination apparatus used by connecting an illumination head to a power source device, capable of supplying a rated current to individual light emitting devices of the illumination head by using a power source device of an identical rating irrespective of the specification of the illumination head, wherein the illumination head has a current detection resistor for detecting current flowing through the power supply circuit, and the resistance value of the resistor is selected so as to cause a voltage drop equal with a predetermined reference potential when a rated current is supplied to each of the light emitting devices, and the power source device is provided with a current controller for controlling the supplied current such that the potential for the voltage drop caused by the current detection resistor is equal with the reference potential.

Abstract: An illumination system previously determined for an illumination direction and an illumination position to an object to be observed is disposed to an imaging head, while a lens 4 is disposed to an apparatus body, so that the number of parts for the imaging head mounted to an apparatus body can be reduced, precision fabrication such as alignment of lens optical axis is no more necessary upon manufacture of the imaging head and optimum illumination can be illuminated in accordance with the magnification ratio or the object to be observed by merely exchanging the imaging head, illumination light optimal to the magnification ratio or object to be observed can be obtained with no provision of various kinds of expositive lens units.

Abstract: An imaging apparatus in which an imaging head having an observation hole for intaking images of an object to be observed formed at a top end is exchangeably mounted to a main body having an imaging device and an illumination light source wherein the imaging head is provided with a plurality of optical fibers for guiding a light from the illumination light source and illuminating the same to the object, light incident ends of respective optical fibers are disposed at positions opposing to emission ends of the illumination light source, and the light emission ends are circularly disposed around the image pick-up optical axis, whereby an appropriate illumination light in accordance with a magnifying ratio can be illuminated without disposing an illumination light source such as of LEDs to an imaging head such as an exchangeable lens unit.

Abstract: Making a measurement device that measures the water content and oil content of the skin into a portable size such that a female beautician can put it in a bag and easily carry it.

Abstract: An endoscope used for observing the interior of a cavity in a human body. In the endoscope according to the present invention, an image sensor is provided in the forward end of an insertion section and an object of interest is displayed on a screen of a television set in response to a video signal obtained from the image sensor. According to the present invention, image information from the image sensor is provisionally stored in a memory, and the read-out from the memory is performed by horizontal scanning in accordance with read-out information by reversing the steps in the case of the write-in. With this arrangement, an image of the object of interest, which is inverted in an optical system in the forward end of the insertion section of the endoscope, can be displayed on the screen of the television as a normal image.

Abstract: A compact optical imaging system with application to a viewing head of an endoscope. A lens assembly gathers and focuses light into parallel rays which are turned 90.degree. from the lens assembly optical axis. A planar image sensor is oriented parallel to the lens assembly optical axis and receives the light which has been turned. The light enters a glass plate serving as the back side of the image sensor and impinges on active light-sensitive elements on a silicon layer deposited on the glass plate. A substrate is bonded on the silicon layer and supports circuitry for buffering and driving signals to and from the image snsor. The substrate has a plurality of slots aligned with the bonding pads of the image sensor to permit electrical connection between the buffering and driving circuitry and the image sensor.

Abstract: An endoscope of the type having in its imaging system a solid state imaging device provided in its insertable section into a cavity of a living body for receiving an optical image and converting it into electrical signals which are processed and then transmitted to a monitor to be visualized thereon. The endoscope comprises an operating part having an insertable section into a cavity which includes therein a solid state imaging device for receiving an optical image and converting it into electrical signals, a control unit for providing driving signals for the solid state imaging device and processing the signals from the solid state imaging device to provide a video signal and a display for receiving the video signal from the control unit to be visualized as, for example, a television picture. The operating part further includes an adjusting means for modifying levels of the driving signals corresponding to the characteristics of the solid state imaging device.