Title: Data sample recording system

Abstract: A data sample recording system having a memory for storing a predetermined number of data samples accumulated over various intervals of time. Each interval of time is divided into a predetermined number of subintervals, there being an electrical circuit for detecting the peak value of data occurring in each of the subintervals. The occurrences of the subintervals are synchronized with a periodic passing of a stylus across a recording medium in a recorder. The predetermined number of data samples is equal to the number of resolution elements of a line of data on the recording medium, stored data being fed out to the recorder in synchronism with the stylus movement to provide a display of data having a predetermined number of resolution elements of display independent of the length of the interval of time.

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Inventors: Backman, Jr., William R. (Portsmouth, RI, US)
Chramiec, Mark A. (Newport, RI, US)

Application Number: 673229
Filing Date: 1976-04-02
Publication_date: 1977-09-20
Assignee: Raytheon Company (Lexington, MA)
Primary Class(es): 367/108 346/33EC, 367/115
Other Classes:
US Patent Ref:

3363226	Jan, 1968	Murphree	340/3.
3683403	Aug, 1972	Okino	340/3.
3719920	Mar, 1973	Grada et al.	340/3.
3735334	May, 1973	Ahrens et al.	343/5.
3852705	Dec, 1974	Backma, Jr. et al.	340/3.

Other Refs:
Primary Examiner: Farley, Richard A.
Assistant Examiner:
Attorney: Warren; David M., Pannone; Joseph D., Bartlett; Milton D.