Method and apparatus for forming certain pulse sequences

Claim 1

A method of producing certain pulse sequences, wherein each pulse sequence which can be produced is associated at a first address with an order number and the pulse sequence belonging to such order number is associated with a second address, comprising the steps of storing each of the order numbers in binary-codeddecimal notation at its corresponding first address, storing each of the pulse sequences which can be produced at its corresponding second address, producing a signal for retrieving the desired pulse sequence, utilizing such signal to initiate a counting operation for timing pulses, producing signals corresponding to actual values of the order numbers as a function of the state of the counting operation, continuously comparing the actual value signals with a set reference value signal corresponding to the order number of the pulse sequence which is to be retrieved, upon coincidence of an actual value signal with the set reference value signal forming a coincidence signal, utilizing the coincidence signal to interrupt the counting operation and to produce an additional signal, forming from said additional signal and an actual value signal of the counter result corresponding to the first address of the pulse sequence to be retrieved a second address, and employing the second address for obtaining the pulse signal stored under the second address.

Claim 2

A method of producing certain pulse sequences, wherein each pulse sequence which can be produced is associated at a first address with an order number and the pulse sequence belonging to such order number is associated with a second address, comprising the steps of storing each of the order numbers in binary-codeddecimal notation at its corresponding first address, storing each of the pulse sequences which can be produced at its corresponding second address, producing a signal for retrieving the desired pulse sequence, utilizing such signal to initiate a counting operation for timing pulses, producing signals corresponding to actual values of the order numbers as a function of the state of the counting operation, continuously comparing the actual value signals with a set reference value signal corresponding to the order number of the pulse sequence which is to be retrieved, upon coincidence of an actual value signal with the set reference value signal forming a coincidence signal, utilizing the coincidence signal to interrupt the counting operation and to produce an additional signal, forming from said additional signal and an actual value signal of the counter result corresponding to the first address of the pulse sequence to be retrieved a second address, and employing the second address for obtaining the pulse signal stored under the second address.

Claim 4

A method of generating predetermined pulse sequences, comprising the steps of associating each pulse sequence which is to be generated with an order number at a first address, and associating the pulse sequence belonging to such order number with a second address, storing each of the order numbers at its corresponding first address, storing each of the pulse sequences which can be generated at its corresponding second address, producing a reference value signal corresponding to the order number of the pulse sequence desired to be retrieved, initiating a counting operation for timing pulses, producing as a result of the counting operation a sequence of address signals of a first type, obtaining from said address signals of the first type actual value signals corresponding to the order numbers of the stored pulse sequences, comparing the actual value signals with the reference value signal, upon coincidence of an actual value signal with the reference value signal producing a coincidence signal, utilizing the coincidence signal to interrupt the counting operation, producing from said coincidence signal an additional address signal, forming from said additional address signal and the address signal of the first type corresponding to the order number of the pulse sequence to be retrieved an address signal of the second type associated with the pulse sequence desired to be retrieved, and employing said address signal of the second type to retrieve the corresponding desired pulse sequence.

Claim 5

A method of generating predetermined pulse sequences, comprising the steps of associating each pulse sequence which is to be generated with an order number at a first address, and associating the pulse sequence belonging to such order number with a second address, storing each of the order numbers at its corresponding first address, storing each of the pulse sequences which can be generated at its corresponding second address, producing a reference value signal corresponding to the order number of the pulse sequence desired to be retrieved, initiating a counting operation for timing pulses, producing as a result of the counting operation a sequence of address signals of a first type, obtaining from said address signals of the first type actual value signals corresponding to the order numbers of the stored pulse sequences, comparing the actual value signals with the reference value signal, upon coincidence of an actual value signal with the reference value signal producing a coincidence signal, utilizing the coincidence signal to interrupt the counting operation, producing from said coincidence signal an additional address signal, forming from said additional address signal and the address signal of the first type corresponding to the order number of the pulse sequence to be retrieved an address signal of the second type associated with the pulse sequence desired to be retrieved, and employing said address signal of the second type to retrieve the corresponding desired pulse sequence.

Claim 6

An apparatus for producing predetermined pulse sEquences, comprising a read only memory for the storage of a predetermined number of order numbers and for the storage of a predetermined number of pulse sequences, each of the order numbers being associated with a given pulse sequence which is desired to be retrieved, and wherein the order numbers can be retrieved by the infeed of addresses of a first type to the read only memory and the pulse sequences can be retrieved by the infeed of addresses of a second type to the read only memory, said read only memory having inputs and outputs, a comparator having actual value inputs and reference value inputs, said actual value inputs being in circuit with said outputs of the read only memory, input means for the input of order numbers to the reference value inputs of the comparator, said comparator including an output, a counter having outputs connected with at least some of said inputs of the read only memory, a clock generator for clock pulses in circuit with said counter, switching means in circuit with said counter and clock generator, a command element in circuit with said switching means, said switching means controlling the delivery of clock pulses from said clock generator as a function of actuation of the command element and as a function of the operation of the comparator, said comparator upon coincidence of an actual value signal and a reference value signal generating a coincidence signal serving to produce from an address signal of the first type delivered by the counter and associated with the order number of a pulse sequence desired to be retrieved an address signal of the second type which is delivered to the read only memory, to thereby obtain from the read only memory the desired pulse sequence to be retrieved.

Claim 7

An apparatus for producing predetermined pulse sEquences, comprising a read only memory for the storage of a predetermined number of order numbers and for the storage of a predetermined number of pulse sequences, each of the order numbers being associated with a given pulse sequence which is desired to be retrieved, and wherein the order numbers can be retrieved by the infeed of addresses of a first type to the read only memory and the pulse sequences can be retrieved by the infeed of addresses of a second type to the read only memory, said read only memory having inputs and outputs, a comparator having actual value inputs and reference value inputs, said actual value inputs being in circuit with said outputs of the read only memory, input means for the input of order numbers to the reference value inputs of the comparator, said comparator including an output, a counter having outputs connected with at least some of said inputs of the read only memory, a clock generator for clock pulses in circuit with said counter, switching means in circuit with said counter and clock generator, a command element in circuit with said switching means, said switching means controlling the delivery of clock pulses from said clock generator as a function of actuation of the command element and as a function of the operation of the comparator, said comparator upon coincidence of an actual value signal and a reference value signal generating a coincidence signal serving to produce from an address signal of the first type delivered by the counter and associated with the order number of a pulse sequence desired to be retrieved an address signal of the second type which is delivered to the read only memory, to thereby obtain from the read only memory the desired pulse sequence to be retrieved.