Abstract:
The camera includes an input focussing and image cycling system to alternly cycle between a thermal reference and a thermal image, onto a thermally sensitive layer. Means are provided for electronically controlled conversion of thermal images to electron images. Further means, defined in the camera, accomplish electronic image integration and storage. The output portion of the camera includes means to furnish image intensification, after integration and storage. Photographic or electrostatic film is pulled at a constant rate by a drive system positioned at the output of the camera, to expose film to the intensified image.
Abstract:
A miniature flat panel image intensifier tube display device using two inne microchannel plate (MCP) electron multipliers that have two arrays of orthogonally positioned electrically isolated parallel metallic stripes as electrodes on their interfacing surfaces and have the conventional continuous electrodes on the other two surfaces. A solid photocathode layer is in proximity focus with the solid input electrode of the first MCP, and the solid output electrode of the second MCP is in proximity focus with a display device. Array switching electronic means selectively switches bias voltages in some selected scan mode over the two arrays of MCP metallic stripes to provide a selective electron charge pattern exiting the second MCP wherein the charge pattern is converted to a visible image at the display device.
Abstract:
A streak apparatus includes: a vacuum container 10 having an electron beam source 20 provided on one end side to emit an electron beam E and an output section 60 provided on the other end side to convert the electron beam into an image; an accelerating section 30 provided in the vacuum container to accelerate the electron beam; an irradiation optical system 40 for collecting and applying to-be-measured light R to the electron beam accelerated by the accelerating section; and a sweep section 50 provided between the accelerating section and the output section to sweep the electron beam having interacted with the to-be-measured light in a direction approximately perpendicular to the direction of a displacement of the electron beam generated through the interaction. This allows the streak apparatus to have a higher temporal resolution.
Abstract:
This invention relates to electron image devices for focusing an electron image derived from a photocathode element onto a target element with a substantially planar surface. More specifically, the photocathode element has an electron emitting surface of a substantially spherical configuration, a cylindrical electrode disposed around the axis of this device and having a diameter of a magnitude in the approximate range of 2.0 to 2.2 times the length of the radius of the photocathode element, an anode element having an aperture therein with a diameter of a magnitude not less than 0.3 nor more than 0.5 times the length of the photocathode radius, and a conical portion extending from the aperture at an angle of approximately 45.degree. with respect to the axis of this device.
Abstract:
At one of the vacuum tube is disposed an opaque photocathode receiving light from a window in the other end of the tube along a light axis which is spaced from and parallel to the axis of the tube. An accelerating mesh adjacent the photocathode rapidly accelerates the light produced photoelectrons in cooperation with an oblique electron lens along a path having an angle which is oblique to the light axis and tube axis toward a target or readout device. A field mesh adjacent the readout device accelerates the photoelectrons after being deflected by deflection plates to the readout device to provide an output photoelectron streak image thereon.
Abstract:
A flat panel display device has a cathodoluminescent screen which is bombarded by a flow of electrons. The screen becomes electrically charged due to the electron bombardment. The charge striking various points on the screen is directly related to the image brightness at those points. The flow of electrons to each point is modulated by sensing the electrical charge which strikes the screen's surface at each point and comparing it to the image brightness signal for the display. When a predetermined relationship between the charge and the signal exists, indicating that the proper brightness level has been reached, the electron flow is terminated. The sensing system may be multiplexed to reduce its complexity.