1977-02-14
1980-12-23
Gonzales, John
354123, G03B 2900
Patent
active
042407290
ABSTRACT:
Apparatus for receiving video output from a patient scanning device and photographing a plurality of video displays sequentially in multiple images onto a sheet of x-ray film. A video monitor adapted for connection to a scanning device, such as a gamma ray or ultrasonic imaging system, and having a display tube mounted in a housing in spaced relation to a wide angle lens formed to project the image of the face of the display tube onto a sheet of film supported in a film holder mounted on the housing. The positioning of the image on the film is determined by the vertical and lateral positioning of the lens relative to perpendicular X and Y axes corresponding to the length and width of the film. The lens is provided with a shutter for controlling the passage of light therethrough, and a pair of reversing electric motors are provided for selectively positioning the lens along the X and Y axes. Movement of the lens to the desired positions is controlled by light-emitting and light-sensitive pairs, such as a light-emitting diode and a photoelectric diode, connected to the drive motors for actuating and halting same in response to the passage or blocking of light therebetween.
REFERENCES:
patent: 1892683 (1933-01-01), Robertson
patent: 2984537 (1961-05-01), Jarvis et al.
patent: 3118360 (1964-01-01), Marjoram et al.
patent: 3458253 (1969-07-01), Hansen
patent: 3503317 (1970-03-01), Johnson
patent: 3724347 (1973-04-01), Gerber
Dunn Instruments, Inc.
Gonzales John
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