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| Number | Title | Issue Date |
| 7034817 | Method and device of alignment of a video image with an edge of a display screen The aligning a video image with an edge of a display screen, the video image being displayed by a scanning of lines of the display screen by at least one electron beam modulated by a modulation signal, including, for each scanned line of the screen, storing successi... | 04/25/2006 |
| 7020888 | System and method for providing an omnimedia package Disclosed is a system that permits a variable number of disparate streams of data to be packaged together as content into a single distinct program referred to as an omnimedia package. A framework definition may be specified and created for the omnimedia package to ... | 03/28/2006 |
| 6507360 | Method of manufacturing a cathode ray tube, in which a display screen is inspected The display screen of a cathode ray tube is inspected. The arrangement with which the display screen is inspected comprises an adjustable mirror arrangement and an adjustable focal lens. By means of the arrangement, a set of sub-images is picked up, which... | 01/14/2003 |
| 5956099 | Dynamic focus circuit and display using the same A circuit for clipping a dynamic focus voltage waveform during a horizontal retrace time is provided so as to prevent an unnecessary voltage from occurring during the retrace time. A high gain amplifier for amplifying horizontal and vertical parabolic wav... | 09/21/1999 |
| 5831400 | Delay-compensating dynamic focus amplifier A delay-compensating dynamic focus amplifier includes a delay compensation circuit including two one-shot multivibrators for receiving a horizontal flyback signal and generating a sawtooth wave to compensate for a delay by adjusting a duty cycle, a focus ... | 11/03/1998 |
| 5146142 | Dynamic focussing signal power amplifier for magnetically focussed raster scan cathode ray tube A single power amplifier is provided both the horizontal and vertical focussing coils of each CRT of a red, blue and green CRT projection television system. Each amplifier includes an amplitude adjustment network to minimize spot size, an adder circuit fo... | 09/08/1992 |
| 5012347 | Image stabilizing apparatus for a portable video camera The image stabilization apparatus for a portable video camera is such that for angular variations about the optical axis of the camera, the horizontal and vertical deflection currents Ix and Iy of the camera are converted as a function of these variations... | 04/30/1991 |
| 4980772 | Image pickup device incorporated with image intensifier tube An image intensifier tube and a solid-state image pickup device are combined to form a unified image pickup device. A thin fiber plate with thickness of 0.5-1.5 mm is interposed between a phosphor layer of the image intensifier tube and a photosensitive l... | 12/25/1990 |
| 4974090 | Image pickup device incorporated with image intensifier tube An image intensifier tube and a solid-state image pickup device are combined to form a unified image pickup device. A thin transparent glass layer polished to a thickness of 50 microns or less is interposed between a phosphor layer of the image intensifie... | 11/27/1990 |
| 4955680 | Method and apparatus for automatically adjusting the focus of cathode ray tubes Method and apparatus for automatically adjusting the focus of cathode ray tubes which can be utilized with cathode ray tubes used as monitors or for television sets that are operated with different field frequencies and different number of scan lines. A s... | 09/11/1990 |
| 4929836 | Focusing in instruments, such as SEMs and CRTs A significantly improved focusing technique is set forth for use with electron beams, particularly in scanning electron microscopes and/or CRTs. This technique utilizes an in-situ differential signal measurement of an object surface to form a signal which... | 05/29/1990 |
| 4864409 | Television camera acceleration compensation apparatus A television camera includes an acceleration correction device for correcting for sudden movements of the camera, to prevent blurring of the resulting television picture. The correction device changes the starting point on an image target depending upon t... | 09/05/1989 |
| 4760454 | Equilibration method for electrical focussing of television camera tubes With the signal electrode of a camera tube uniformly illuminated by diffuse light, scanning of the signal electrode by the electron beam is caused to leave unaffected certain lines or parts of lines which are scanned in the next frame. This may be done by... | 07/26/1988 |
| 4739408 | Method of automatic alignment of the electron beam direction in a television camera tube The signal electrode of a television camera tube by first scanning in an odd-numbered picture field is focussed in horizontal scanning pattern and then superimposing thereon in an even-numbered picture field the scanning pattern offset out of interlace an... | 04/19/1988 |
| 4707639 | Dynamic focus voltage with phase compensated adjustment An attenuator couples a parabolic voltage developed in a trace capacitance, to a focus electrode. The attenuator includes a phase compensation network that causes the phase of the parabolic voltage that is coupled to the focus electrode to be substantiall... | 11/17/1987 |
| 4704634 | Streak tube having image slitting means for transmitting slit electron images of an object A streak tube device for electrically slitting the image of an object provided by an optical system. The streak tube device includes a streak tube body having a photoelectric conversion device for receiving the object image and producing a corresponding e... | 11/03/1987 |
| 4694346 | Method and apparatus for gating image tubes An image tube such as an image inverter including a photo cathode, two grid electrodes, a focus electrode and an anode disposed successively along the image tube is gated by means of the application of a switching pulse to the first of the two grid electr... | 09/15/1987 |
| 4692804 | Image distortion correcting apparatus for television camera combining global and local corrections An image distortion correcting apparatus for a television camera. In addition to an analogue correcting waveform, four corner independent distortion correcting waveforms are employed for rough adjustment together with a digital distortion correcting signa... | 09/08/1987 |
| 4595955 | Electro-optical tube alignment and beam current adjustment Electro-optical tube alignment apparatus having a monitor for monitoring shading of the tube image, an adjustment device for adjusting tube target bias voltage so that shading is introduced into the image and is monitored by the monitor, and a control for... | 06/17/1986 |
| 4587465 | Dynamic focus circuit A dynamic focus circuit for a television display picture tube provides a focus voltage having scan rate modulation. The parabolically shaped voltage which is produced across the S-shaping capacitor in a deflection system is coupled by a transformer having... | 05/06/1986 |
| 4464680 | Television camera having automatic focusing device for electron beam of pickup tube A focusing current or voltage applied to a focusing coil or focusing electrode to focus an electron beam on a target of a camera tube is modulated by a modulation signal so that the focusing current or voltage varies between a maximum value and a minimum ... | 08/07/1984 |
| 4459614 | Rotation-free electrical focussing circuit for television image tubes Vertical-rate and horizontal-rate sawtooth generators are coupled at a common input to a conventional focus control voltage and then to the centering circuits of an image tube via respective potentiometers. The amplitudes and polarities of the generator o... | 07/10/1984 |
| 4387394 | Sensing focus of a color kinescope An apparatus for sensing electron beam focus on the display screen of a kinescope comprises a photodiode adapted to detect the light output from an area on the kinescope display screen. A signal having a frequency equal to the scanned excitation rate of t... | 06/07/1983 |
| 4385312 | Single image pickup tube type color television camera system In a single image pickup tube color television camera, color shading is corrected by providing a magnetic material selectively disposed adjacent a magnetic field electron beam alignment means disposed adjacent said image pickup tube in the vicinity of the... | 05/24/1983 |
| 4325082 | Digital measurement system for automatically focusing a television camera The checkered black/white test pattern used during a television camera setup mode for the automatic correction of spatial registration, shading, and gamma errors, is also used to obtain digital data for automatically focusing the camera. The system detect... | 04/13/1982 |
| 4245254 | Image motion compensator An image motion compensator which electronically compensates for image distortion in an electro-optical system is disclosed. The electro-optical system comprises a TV camera having an image intensifier portion which includes a plurality of deflection coil... | 01/13/1981 |
| 4161755 | Television pick-up system In television transmission of medical X-ray photographs and in television X-ray fluoroscopy (e.g. during surgery), where a great brightness contrast range is presented, the illustrated system obtains a blurred video signal representative of the brightness... | 07/17/1979 |
| 4152729 | Image motion compensation system The invention provides an image motion compensation arrangement for enabling stabilization of the line of sight of a scanned imaging system mounted on a vehicle. In one example the scanned imaging system is a television camera assembly which is resilientl... | 05/01/1979 |
| 4037133 | Compensation of cathode ray tube for moire In a video signal receiving apparatus that employs tracking focus moire is eliminated by preventing the DC voltage of the focus electrode from increasing beyond the critical level at which moire will occur.... | 07/19/1977 |
| 3953764 | Method and means for selectively positioning a light source for illuminating film transparencies A light source for illuminating film transparencies is in the form of a cathode-ray tube provided with electronic circuitry which causes the beam of the tube to trace a raster on the screen. The circuitry is such that the area of the raster and its positi... | 04/27/1976 |
| 3931466 | Circuit arrangement for use in a television camera tube with an anti-comet tail electron gun An automatic control to the optimum lens adjustment in an ACT gun in a television camera tube. A variation in the cathode and control electrode potential during the line flyback requires an adaptation of the lens voltage for optimum target erasing action.... | 01/06/1976 |
