US 3700784 A
Description (OCR text may contain errors)
United States Patent Molnar 1 Oct. 24, 1972  CAPTURE COMBINATION SYSTEM  inventor: Lasrlo A. Molnar, Tustin, Calif.
 Assignee: North American Rockwell Corporation, Anaheim, Calif.
 Filed: Oct. 9, 1970  Appl. No.: 79,612
 US. Cl ..84/345, 84/370  Int. Cl ..G 10h 3/10  Field of Search ..84/345, 337, 370, 341, 343, 84/344  References Cited UNITED STATES PATENTS 3,213,179 10/1965 Clauson ..84/345 X 3,449,995 6/ 1969 Sepp ..84/345 3,498,168 3/1970 Cunningham ..84/345 3,548,064 12/ 1970 Oncley ..84/345 UX Primary ExaminerRichard B. Wilkinson Assistant Examinerlohn F. Gonzales Attorney-L. Lee Humphries and H. Fredrick l-lamann  ABSTRACT A capture combination system for use in an electronic organ provides rapid reprogramming of the entire combination memory while permitting manual selection of desired stop combinations at any time. Desired stop combinations are selected for each piston and set into the working memory of the system. These combinations, upon command, are transferred from the working memory to a storage or external memory. A full combination of stop settings may be stored on the external memory by transfer from the internal memory, and a number of such external memories corresponding to a number of different full combinations of stop settings thus may be prepared and, subsequently, selectively presented to the system as desired. The combination settings from the external memory are transferred upon command into the internal working memory for establishing the desired combination of stop settings therein. Transfer into or out of the external memory requires but a few seconds. Whenever desired, the working memory may be altered to modify one or more stop combinations, whether set manually, or entered therein from the external memory and, in the latter case, while retaining the combinations recorded in the external memory.
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INTERNAL TIMING I*-8?.5psec PISTON FIG.5
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