Compressed coding of digitized quantities

Claim 1

A method of transmitting and registering successive values of a set of variable quantities comprising transmitting initial values of said quantities in binary digits in either of two forms in a full count mode operation in which the full counts of the quantities in the sets are represented in binary digits, including transmitting signals denoting binary digits in groups into each register of a set of registers corresponding to said set of quantities, registering successive values of said quantities by transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the differences between successive values of the quantities and the binary digits of the other form represent control operations, including incrementing the value in each register by successive signals denoting binary digits of one fOrm to change the value by one unit for each binary digit of said one form, and controlling the incrementing in each register in either positive or negative direction by signals denoting the binary digits of the other form, the binary digits of the one form changing the value in each register by a number of units equal to the number of successive binary digits of the one form under control of said digits of the other form, each binary digit of said one form retaining the previous value in the register in absence of a signal denoting a binary digit of the other form.

Claim 2

A method of transmitting and registering successive values of a set of variable quantities comprising transmitting initial values of said quantities in binary digits in either of two forms in a full count mode operation in which the full counts of the quantities in the sets are represented in binary digits, including transmitting signals denoting binary digits in groups into each register of a set of registers corresponding to said set of quantities, registering successive values of said quantities by transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the differences between successive values of the quantities and the binary digits of the other form represent control operations, including incrementing the value in each register by successive signals denoting binary digits of one fOrm to change the value by one unit for each binary digit of said one form, and controlling the incrementing in each register in either positive or negative direction by signals denoting the binary digits of the other form, the binary digits of the one form changing the value in each register by a number of units equal to the number of successive binary digits of the one form under control of said digits of the other form, each binary digit of said one form retaining the previous value in the register in absence of a signal denoting a binary digit of the other form.

Claim 4

A system for registering digitally the values of a set of variable quantities to be represented successively and which may take on new values between representations of said set of quantities, comprising means to place the value of each variable quantity of the set in a register of a first set corresponding to said set of variable quantities where it is represented by digits having two forms as binary bits, means to transfer the values of the quantities registered in said first set of registers to a second set of registers for control of exhibition apparatus while retaining said values of said quantities in said first set of registers, said system having means to control said registers of said first set to register successive value of said quantities in said registers, and including means transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the difference between successive values of the quantities and the binary digits of the other form represent control operations, means incrementing the value in each register by successive signals denoting binary digits of one form to change the value by one unit for each binary digit of said one form and means controlling the incrementing in each register in either positive or negative direction by signals denoting binary digits of the other form, so that said means incrementing the value in each register changes the value by a number of units equal to the number of successive binary digits of the one form under control of said binary digits of the other form, said means transmitting signals also including means actuated by a binary digit of one form to retain a previous value in a register in the absence of a signal denoting a binary digit of the other form.

Claim 5

A system for registering digitally the values of a set of variable quantities to be represented successively and which may take on new values between representations of said set of quantities, comprising means to place the value of each variable quantity of the set in a register of a first set corresponding to said set of variable quantities where it is represented by digits having two forms as binary bits, means to transfer the values of the quantities registered in said first set of registers to a second set of registers for control of exhibition apparatus while retaining said values of said quantities in said first set of registers, said system having means to control said registers of said first set to register successive value of said quantities in said registers, and including means transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the difference between successive values of the quantities and the binary digits of the other form represent control operations, means incrementing the value in each register by successive signals denoting binary digits of one form to change the value by one unit for each binary digit of said one form and means controlling the incrementing in each register in either positive or negative direction by signals denoting binary digits of the other form, so that said means incrementing the value in each register changes the value by a number of units equal to the number of successive binary digits of the one form under control of said binary digits of the other form, said means transmitting signals also including means actuated by a binary digit of one form to retain a previous value in a register in the absence of a signal denoting a binary digit of the other form.

Claim 6

A system for representing an image on a surface which has two distinguishable states, one of which forms said image, said image being coded in the form of digits representing linear arrays of elemental areas of said surface, each array consisting of segments of elemental areas in one of the two distinguishable states, the count of the areas of each segment being in binary digits, said system comprising a set of registers for controlling the representation of the segments of the linear arrays of an image, a source of digitized codes for an image, which are transmitted successively from said source, the counts of the segments of the first linear array transmitted being full counts of the total numbers of areas in the segments in binary digits, the segments of successive arrays transmitted being in change counts of binary digits representing the differences of the full counts from the full counts of segments in preceding arrays transmitted, means to transfer the full counts of the segments of the first array transmitted to the registers of said set, means to change the digits in said registers by the change counts of the segments of each successive array, including means transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the difference between successive values of the quantities and the binary digits of the other form represent control operations, means incrementing the value In each register by successive signals denoting binary digits of one form to change the value by one unit for each binary digit of said one form and means controlling the incrementing in each register in either positive or negative direction by signals denoting binary digits of the other form so that means incrementing the value in each register changes the value by a number of units equal to the number of successive binary digits of the one form under control of said binary digits of the other form, said means transmitting signals also including means actuated by a binary digit of one form to retain a previous value in a register in the absence of a signal denoting a binary digit of the other form.

Claim 7

A system for representing an image on a surface which has two distinguishable states, one of which forms said image, said image being coded in the form of digits representing linear arrays of elemental areas of said surface, each array consisting of segments of elemental areas in one of the two distinguishable states, the count of the areas of each segment being in binary digits, said system comprising a set of registers for controlling the representation of the segments of the linear arrays of an image, a source of digitized codes for an image, which are transmitted successively from said source, the counts of the segments of the first linear array transmitted being full counts of the total numbers of areas in the segments in binary digits, the segments of successive arrays transmitted being in change counts of binary digits representing the differences of the full counts from the full counts of segments in preceding arrays transmitted, means to transfer the full counts of the segments of the first array transmitted to the registers of said set, means to change the digits in said registers by the change counts of the segments of each successive array, including means transmitting signals denoting binary digits serially in a change count mode operation in which the binary digits of one form represent the difference between successive values of the quantities and the binary digits of the other form represent control operations, means incrementing the value In each register by successive signals denoting binary digits of one form to change the value by one unit for each binary digit of said one form and means controlling the incrementing in each register in either positive or negative direction by signals denoting binary digits of the other form so that means incrementing the value in each register changes the value by a number of units equal to the number of successive binary digits of the one form under control of said binary digits of the other form, said means transmitting signals also including means actuated by a binary digit of one form to retain a previous value in a register in the absence of a signal denoting a binary digit of the other form.