Showing papers on "Video camera published in 1976"
Patent•
15 Mar 1976
TL;DR: In this article, an editing control system is provided for on-line or off-line editing of a cassette or open-reel helical scan type video tape recorder, or the like.
Abstract: An editing control system is provided for on-line or off-line editing of a cassette or open-reel helical scan type video tape recorder, or the like. Tape-to-tape editing may be carried out by transferring selected video information from a "playback" video tape recorder to a "record" video tape recorder, whereas camera-to-tape editing may be carried out by transferring selected video information directly from a video camera to the record video tape recorder. The system to be described includes a solid state electronic control for the playback and record video tape recorders, with manually operated joysticks which permit forward and reverse motion of the tapes in the recorders for the precise selection of the edit frames. A feature of the system is that the video information passes directly to the record video tape recorder, and not through the control system itself, so that there is no need to provide complex wideband signal channels through the control system. Also, a single monitor is automatically controlled to monitor both the record and playback video tape recorders during the operation of the control system.
30 citations
Patent•
16 Nov 1976
TL;DR: In this article, a video system for storing and retrieving documentary information is described, where each document to be filed is scanned by a high-resolution video camera to produce a video signal representing a single image frame having a predetermined number of scan lines.
Abstract: A video system for storing and retrieving documentary information. In the storage mode, each document to be filed is scanned by a high-resolution video camera to produce a video signal representing a single image frame having a predetermined number of scan lines. The frame signal is electronically divided into a series of fields each having a like number of scan lines, the fields being applied successively to the recording heads of a multi-headed magnetic tape recorder in which the heads are vertically offset with respect to each other. The heads are mounted on a rotating arm and are caused thereby to sweep across a stationary magnetic tape to record the fields thereon in a set of parallel transverse tracks. The tape is indexed to store each document in a distinct set of tracks. In the playback mode, a selected set of tracks on the tape is presented to the heads which are then rotated to continuously yield a series of fields which are applied in the proper sequence to a high resolution video display device to recreate the selected document.
17 citations
Patent•
19 Apr 1976
TL;DR: In this article, a video camera is connected to the microscope, to project the image on a monitor, and the scan lines of the video camera may also be employed to locate the position of the shadow to indicate the thickness of the object, and also to automatically readjust the position to a reference level.
Abstract: A microscope-projector system is employed to image and view a transition of light and dark areas on an object. The position of the shadow corresponds to the vertical position of a portion of the object, and an adjustable device is employed for adjusting the position of the microscope-projector with respect to the object. A video camera may be connected to the microscope, to project the image on a monitor. Vertical adjustment of the microscope-projector assembly enables measurement of thickness, for example, with respect to a reference level. The scan lines of the video camera may also be employed to locate the position of the shadow to indicate the thickness of the object, and also to automatically readjust the position of the shadow to a reference level. Electronic circuitry may also play a part to determine from transition in scan lines the horizontal dimensions of an object.
16 citations
Patent•
17 Mar 1976TL;DR: X-ray equipment for nondestructive testing and particularly for mechanized testing of the integrity of welds along the length of the welds includes means for mechanically traversing an X-ray source along one side of a weld and a grainless fluorescent screen along the other side, with the screen coupled to an image-isocon video camera, preferably through a light intensifier.
Abstract: X-ray equipment for nondestructive testing and particularly for mechanized testing of the integrity of welds along the length of the welds includes means for mechanically traversing an X-ray source along one side of the weld and a grainless fluorescent screen along the other side, with the screen coupled to an image-isocon video camera, preferably through a light intensifier. The equipment includes means for display of the X-ray shadow picture from the video camera and for super-imposing identifying indicia, along with means for recording the composite of the indicia and the picture. The image is preferably integrated over at least several frames so as to minimize "noise" and intensify contrast. In addition, a signal from an ultrasonic transducer may be provided to indicate to the operator the existence of a probable flaw in the weld metal.
15 citations
Patent•
26 Aug 1976
TL;DR: In this article, an endoscope is used with the instrument tip at one end of the endoscope tube arranged over the tooth to be magnified, and a video camera is coupled to the ocular and a monitor is connected to the video camera.
Abstract: An endoscope is used with the instrument tip at one end of the endoscope tube arranged over the tooth to be magnified. A video-camera is coupled to the endoscope ocular and a monitor is connected to the video camera. Pref. the camera and monitor are united in a single housing and the endoscope tube end can be fixed in a holder fastened to the patient or held by the dentist. The holder consists of a spring clip which can be slid over one or more teeth with a sleeve attached by a lever to the holder with the endoscope tube end slid into the sleeve.
14 citations
Patent•
15 Dec 1976
TL;DR: Analog video signals representative of a video picture are generated by a video camera or the like, and the analog video signals are digitized The digitized analog signals are fed to a coincidence gating circuit, to which manually operable digitally generated signals are also fed as discussed by the authors.
Abstract: Analog video signals representative of a video picture are generated by a video camera or the like, and the analog video signals are digitized The digitized analog video signals are fed to a coincidence gating circuit, to which manually operable digitally generated signals are also fed The analog video signals are mixed with the output signals from the coincidence gating circuit and are fed to a cathode ray tube for display
13 citations
Patent•
17 May 1976TL;DR: In this article, a co-ordinate measuring framework is used to measure a small area of the radiographic or photographic film which is illuminated by the light source and the film is movable beneath the camera to enable any part thereof to be scanned.
Abstract: Apparatus for taking spatial measurements from recorded radiographic or photographic films includes a co-ordinate measuring framework on which are statically mounted a video camera and light source, and on which can be placed the film. The camera scans a small area of the film which is illuminated by the light source and the film is movable beneath the camera to enable any part thereof to be scanned. The information produced by the camera is passed to a video-microdensitometer which displays on its output screen an image of the area of the film being scanned. Measurement is achieved by lining features on the displayed image against a datum line by movement of the film below the camera in the framework and noting the co-ordinates of the new positions of the film on the frameworks.
6 citations
Patent•
15 Nov 1976
TL;DR: In this article, a TV camera with automatic fading device which is activated by fading control signal, giving prominence to specified portions of pictures was obtained. But the camera was not equipped with a flash.
Abstract: PURPOSE:To obtain TV camera with automatic fading device which is activated by fading control signal, giving prominence to specified portions of pictures.
6 citations
Journal Article•
TL;DR: An optical switch is described which allows utilization of both a 35 mm still camera and a video camera on the operating microscope, which allows more versatile photodocumentation without sacrificing the other port on the beamsplitter.
2 citations
Patent•
22 Sep 1976
TL;DR: In this paper, an electronic graphics terminal is used for the production of two-dimensional patterns, which consists of a video storage unit and an image transformation unit whose input and output are coupled to the inputs and outputs of the store via various logic elements.
Abstract: The electronic graphics terminal is used for the production of two-dimensional patterns. It comprises a video storage unit (1) and an image transformation unit (2) whose input and output are coupled to the input and output of the put and output are coupled to the input and output of the store via various logic elements (3)(5-7). A video monitor (9) can be connected into this circuit via a mixer (10). Four separate signal sources are provided which can be coupled to the image transformation unit via logic circuits (7). A light pen (8), video camera with amplitude discriminator to provide binary signals, a random generator (16) and a matrix (17) can be selected by application of gating signals to logic units connected on their outputs (23, 24, 25).
2 citations
TL;DR: With the system, it is feasible to investigate relationships between actions of muscles and movements of each part of the food channel in deglutition and a set-up without any specially ordered equipments and easy operation is devised.
Abstract: A simultaneous recording system of electromyogram and fluoroscopic image was described. It was devised for the investigations of deglutition.The system consists of a four channel, electromyograph, a X-ray T.V.and a video-tape-recorder.The electromyograms on an oscilloscope are recorded by a video camera and fed in a corner of the image of the X-ray T.V.with a use of n video camera wiper and a tape synch, adapter.Both the electromyographic signals and the fluoroscopic images are simultaneously recorded on video tapes.The merits of the present system are (1) quick and easy reproduction, (2) multidimensional observations, (3) small dosages of X-ray exposure, and (4) a set-up without any specially ordered equipments and easy operation.With the system, it is feasible to investigate relationships between actions of muscles and movements of each part of the food channel in deglutition.The results of the investigations with the system will be reported on separate occasions.