摘要:
A control system with a microprocessor controls an output pressure of a water/air pump and a light amount of a light source lamp in an endoscope. Under control of a program, the microprocessor periodically accesses a decoder to periodically generate a pulse signal. The generated pulse signal is applied to a watch dog type detector for detecting an abnormal operation of the microprocessor. When the microprocessor operates abnormally and is detected, the microprocessor is reset, and an output pressure of a water/air pump and a light amount of a light source lamp are respectively set at the maximum levels independently of the control by the microprocessor.
摘要:
A light supply apparatus for an endoscope comprises a discharge lamp for supplying light to an endoscope, and a microprocessor for controlling various devices such as a display unit for displaying data. The discharge lamp is ignited by an ignition signal. The microprocessor is reset by the ignition signal. The display unit is held in the same state as before the ignition of the lamp even when the microprocessor is reset.
摘要:
Disclosed is a light source device for an endoscope including a lamp to flash or to normally emit light according to current fed thereto, a shutter for photographing, and a diaphragm for photographing/observing. In the light source device, the amount of light emitted is variable. In response to a supplied check start command signal, except when the endoscope body is used, the light source device successively checks at least two of the following items; the operation of the shutter, the operation of the diaphragm, normal light emission of the lamp and the flashing of the lamp. Then, the light source device automatically checks, according to the amount of light detected by a photosensitive element, whether the above functions are operating normally or not, and displays the result of the check.
摘要:
The camera arranged at the eyepiece section of an endoscope has a photometric circuit for generating observation and photographing light control signals selectively to control the brightness of observation light and the amount of photographing light. The light supply unit has observation and photographing light control circuits, said observation light control circuit serving to control the amount of current supplied to the observation light source correspondingly to the observation light signal applied through the photometric circuit in the camera and said photographing light circuit serving to control the light irradiation time of the photographing light source or electronic flash tube correspondingly to the photographing light control signal.
摘要:
Arranged within a measuring-light generating unit of an endoscope apparatus for three dimensional measurement, according to the invention, are measuring means, a lamp for outgoing a normal illuminating light, and a laser for outgoing a measuring light. Connected to the measuring means is a signal line which is connected to a CCD. Further, an illuminating light outgone from the lamp is condensed by a condenser lens, and is incident upon an incident end surface of a light guide. Furthermore, the measuring light outgone from the laser is condensed by the condensing lens, and is incident upon the incident end surface of the image guide. Moreover, the incident end of the image guide is connected to scanning means formed by a piezo-electric element, a speaker (voice coil) or the like through a connecting element. The scanning means is operated whereby the incident end of the image guide is reciprocally moved in a direction perpendicular to an optical axis of the measuring light. The measuring light is a light having extension or spreading. However, a flux of light of the measuring light is extremely thin, and a spot light having minimum resolution that is a single glass fiber forming the image guide is projected onto the subject.
摘要:
This endoscope image data compressing apparatus comprises a plurality of image compressing apparatus not equivalent to each other for compressing input endoscope image data and outputting the compressed data and a selecting apparatus for selecting the compressed data output from at least one of the image compressing apparatus. The selecting apparatus selects in response to the kind of the endoscope, characteristic of the image, picture quality of the compressed image, recording time intervals and others.
摘要:
An electronic endoscope apparatus serving as a frame sequential type imaging apparatus comprises an electronic endoscope for picking up an object, a CCU for driving and controlling the electronic endoscope and processing imaging signals originated from the electronic endoscope, and a high resolution monitor displaying video signals processed by the CCU. An imaging optical system is provided at the tip of the electronic endoscope to receive reflected light irradiated on an object. The imaging optical system is provided with specific wavelength optical path changing apparatus for shifting an optical path of reflected light of a predetermined wavelength range between an objective lens system and a CCD. The specific wavelength optical path changing apparatus is a plate glass which transmits frame sequential light reflected from an object through the objective lens system. A surface of the plate glass facing CCD is bisected in two and coated with a first transmission filter and second transmission filter having different transmission characteristics. From among R, G1, G2, and B regions, the first transmission filter transmits the light of R, G1, and B regions and the second transmission filter transmits the light of R and G2 regions. The second transmission filter shifts an optical axis of the transmitted light.
摘要:
N lines of line-shaped light are projected onto the object by means of a measuring light projecting lens. The light carrying the image of the object is passed through the eyepiece lens 17 in an endoscope 6 and the auxiliary lens 30 in a measuring head 11 and split into two beamlets by a beam splitter 31, with one beamlet being focused at a position coinciding with the entrance end faces of measuring light's position detecting fibers 33(l) to 33(m). The line-shaped light images of the object thus formed in positions coinciding with the entrance end faces of measuring light's position detecting fibers 33(l) to 33(m) are scanned linearly by those linearly aligned fibers as they are oscillated and driven by a fiber scanner 36. The scanned line-shaped light images are then subjected to the necessary signal processing in a signal processor circuit 35 such as to measure the three-dimensional configuration of the object.
摘要:
There is provided a frozen picture memorizing memory holding as a frozen picture image a picture image signal imaged by an electronic endoscope. By the operation of a frozen picture directing switch, whether the frozen picture is adapted to the memorizing condition or not is judged through a picture image movement detecting circuit. In case it is judged to be adapted to the memorizing condition, the picture image signal is memorized actually as a frozen picture image to obtain a clear frozen picture having little color smear and fogging.
摘要:
An endoscope image data compressing apparatus comprises a plurality of image compressing apparatus not equivalent to each other for compressing input endoscope image data and outputting the compressed data and a selecting apparatus for selecting the compressed data output from at least one of the image compressing apparatus. The selecting apparatus selects the compressing method in response to the kind of the endoscope, characteristic of the image, picture quality of the compressed image, recording time intervals and others.A method for compressing endoscope image data is realized by an image compressing apparatus capable of compressing image data at different compressing rates. The endoscope image data is determined to be either ordinary image data or dyed image data and, based on this determination, is compressed at different rates. The compressing rate for dyed image data is lowered below the rate for ordinary image data.