System for storing information with comparison of stored data values

Claim 1

A system for storing information, comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for storing a data value repetitively at a first time and a second time respectively in a first and a second memory location of a series of memory locations in said non-volatile memory, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values at a plurality of differing times preserving the information from a disruption of said system occurring during any one of said differing times; said system further comprising comparator means connecting with said non-volatile memory for comparing information of one of said memory locations with information of a second of said memory locations to determine a presence of twice-repeated data values in said series of memory locations; and readout means operative in response to said comparator means for obtaining from said non-volatile memory a last stored value of said data values from a series of said succession of data values, said last value being independent of said system disruption.

Claim 2

A system for storing information, comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for storing a data value repetitively at a first time and a second time respectively in a first and a second memory location of a series of memory locations in said non-volatile memory, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values at a plurality of differing times preserving the information from a disruption of said system occurring during any one of said differing times; said system further comprising comparator means connecting with said non-volatile memory for comparing information of one of said memory locations with information of a second of said memory locations to determine a presence of twice-repeated data values in said series of memory locations; and readout means operative in response to said comparator means for obtaining from said non-volatile memory a last stored value of said data values from a series of said succession of data values, said last value being independent of said system disruption.

Claim 4

A system for storing information, comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for repetitively storing a data value in a first and a second memory location of a series of memory locations in said non-volatile memory, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values preserving the information from a disruption of electric power to said system during a storing procedure; the system further comprising computer means including comparator means, the comparator means connecting with said non-volatile memory for comparing information of one of said memory locations with information of a second of said memory locations to determine a presence of twice-repeated data values in said series of memory locations; and read-out means operative in response to said comparator means for obtaining from said non-volatile memory a last stored value of said data values from a series of said succession of data values, said last value being independent of said system disruption; and wherein said read-out means in operative after a reconnection of power subsequent to a power disruption, for reading out data values from two successive memory locations proceeding one memory location at a time; and said comparator means serves for testing the data values of the two successive memory locations, provided by the read-out means, for agreement with each other, said comparator means establishing a sequence of agreements and disagreements among the data values of successive pairs of the memory locations; and wherein said computer means provides identification of individual ones of the memory locations containing valid data determined on the basis of a sequence of agreements and disagreements sensed by said comparator means.

Claim 5

A system for storing information, comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for repetitively storing a data value in a first and a second memory location of a series of memory locations in said non-volatile memory, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values preserving the information from a disruption of electric power to said system during a storing procedure; the system further comprising computer means including comparator means, the comparator means connecting with said non-volatile memory for comparing information of one of said memory locations with information of a second of said memory locations to determine a presence of twice-repeated data values in said series of memory locations; and read-out means operative in response to said comparator means for obtaining from said non-volatile memory a last stored value of said data values from a series of said succession of data values, said last value being independent of said system disruption; and wherein said read-out means in operative after a reconnection of power subsequent to a power disruption, for reading out data values from two successive memory locations proceeding one memory location at a time; and said comparator means serves for testing the data values of the two successive memory locations, provided by the read-out means, for agreement with each other, said comparator means establishing a sequence of agreements and disagreements among the data values of successive pairs of the memory locations; and wherein said computer means provides identification of individual ones of the memory locations containing valid data determined on the basis of a sequence of agreements and disagreements sensed by said comparator means.

Claim 9

A system for storing data to be presented on a display in a motor vehicle, the system comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for repetitively storing a data value in a first and a second memory location of a series of memory locations, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values preserving the information from a disruption of electric power to said system during a storing procedure; the system further comprising read-out means, operative after a reconnection of power subsequent to a power disruption, for reading out data values from two successive memory locations proceeding one memory location at a time; and computer means including comparator means, the comparator means testing the data values of the two successive memory locations, provided by the read-out means, for agreement with each other, said comparator means establishing a sequence of agreements and disagreements among the data values of successive pairs of the memory locations; and wherein said computer means provides identification of individual ones of the memory locations containing valid data determined on a basis of a sequence of agreements and disagreements established by said comparator means; and wherein the data are measured values, said system including means for displaying a measured value after it has been entered in a first of the memory locations, the measured value then being written into a second of the memory locations by said storing means.

Claim 10

A system for storing data to be presented on a display in a motor vehicle, the system comprising: a non-volatile memory having a plurality of memory locations, the information to be stored comprising a succession of data values; and storing means for repetitively storing a data value in a first and a second memory location of a series of memory locations, a subsequent one of said data values being stored repetitively by said storing means at further times in a further two successive memory locations, there being an odd number of memory locations in said series; and wherein after a storing of data values in all the locations of said series, storing of a further data value is accomplished by replacing the value of said first location with said further data value, whereby said plurality of memory locations are reused for further of said data values in cyclic sequence, the storing of repetitive data values preserving the information from a disruption of electric power to said system during a storing procedure; the system further comprising read-out means, operative after a reconnection of power subsequent to a power disruption, for reading out data values from two successive memory locations proceeding one memory location at a time; and computer means including comparator means, the comparator means testing the data values of the two successive memory locations, provided by the read-out means, for agreement with each other, said comparator means establishing a sequence of agreements and disagreements among the data values of successive pairs of the memory locations; and wherein said computer means provides identification of individual ones of the memory locations containing valid data determined on a basis of a sequence of agreements and disagreements established by said comparator means; and wherein the data are measured values, said system including means for displaying a measured value after it has been entered in a first of the memory locations, the measured value then being written into a second of the memory locations by said storing means.