US3969701A — Function block oriented SPC system

Claim 1

Independent Claim 324 words

In a stored program controlled system wherein devices for the execution of various device functions and computer functions are controlled by a computer having stores for the storage of system control information and having a central processor for the performance of the system control and for the writing and reading, via an information register, of the memory means, said system comprising: a plurality of function blocks of a first type for performing functions which are delimited from the functions of other blocks, each of said blocks of a first type including both executive devices for performing operating functions and control devices controlling the executive devices; a plurality of function blocks of a second type, each of said function blocks of a second type including control devices for performing control functions and no executive devices; each of said function blocks being assigned an associated function block number; the controlling devices of both types of function blocks being included in the computer, and each of said controlling devices comprising a program store and a data store having read/write terminals for the storage of the control information of its associated function block and addressing means for addressing only the stores of its associated function block; connecting means for connecting the central processor to the control devices of a number of said function blocks; and said central processor unit comprising a block number register for the registering of the respective function block numbers, a selection device which is connected to the block number register in order to be set by means of the registered block number, said connection means connecting the addressing means selected by the selection device to the central processor and connecting the write/read terminals of the stores in the control devices to the information register in the central processor for enabling the latter to control, with the aid of the addressing means, the writing and reading in the program stores and in the data stores.

Claim 2

Dependent Claim 324 words

In a stored program controlled system wherein devices for the execution of various device functions and computer functions are controlled by a computer having stores for the storage of system control information and having a central processor for the performance of the system control and for the writing and reading, via an information register, of the memory means, said system comprising: a plurality of function blocks of a first type for performing functions which are delimited from the functions of other blocks, each of said blocks of a first type including both executive devices for performing operating functions and control devices controlling the executive devices; a plurality of function blocks of a second type, each of said function blocks of a second type including control devices for performing control functions and no executive devices; each of said function blocks being assigned an associated function block number; the controlling devices of both types of function blocks being included in the computer, and each of said controlling devices comprising a program store and a data store having read/write terminals for the storage of the control information of its associated function block and addressing means for addressing only the stores of its associated function block; connecting means for connecting the central processor to the control devices of a number of said function blocks; and said central processor unit comprising a block number register for the registering of the respective function block numbers, a selection device which is connected to the block number register in order to be set by means of the registered block number, said connection means connecting the addressing means selected by the selection device to the central processor and connecting the write/read terminals of the stores in the control devices to the information register in the central processor for enabling the latter to control, with the aid of the addressing means, the writing and reading in the program stores and in the data stores.

Claim 3

Dependent Claim 95 words

The stored program controlled system of claim 1 wherein each addressing means comprises a state code register in which the state of operation of the associated function block is stored in coded form, wherein the selection device comprises a state selection device, and wherein the central processor further comprises state supervision devices for supervision of the writing and reading in the stores of the respective function block in dependence on the state code, the state code being transferred with the aid of the connection means via the state selection device to the state supervision devices.

Claim 4

Dependent Claim 186 words

The stored program controlled system of claim 1 wherein each addressing means comprises addressing parameter registers for storing of addressing parameters which define the storage structure of the control information in the stores of the associated function block wherein the selection device comprises an address selection device, and wherein the central processor further comprises an address calculation unit which is common to all addressing means and with which the selection device and an address number register for registering of a calculated address number are associated, and operation parameter registers with which the block number register is associated and in which, for performance of a control operation, are stored such parameters which are not bound to said storage structure, the operation parameter registers being connected to the address calculation unit, the connection means connecting the addressing parameter registers to the address calculation unit and connecting the address number register to the addressing means of the associated stores via the address selection device set to the respective function block, said address number being calculated in the address calculation unit on the basis of the addressing and operation parameters.

Claim 5

Dependent Claim 200 words

The stored program control of claim 3, wherein said addressing means include addressing parameter registers having a number of calculation data registers and a variable number decoder connected to the calculation data registers which are defined by their associated variable numbers and registering calculation data which contain a numerical constant indicating the number of consecutive bits in the data store are associated with each of a number of variables defined by said variable number, said variables being parts of the control information for the respective function block and in consecutive order form a group of variables whose start is included in a data store word with an address number also associated with said calculation data, and wherein the address calculation unit comprises a translation device for translating the calculation data to the address number under which a variable in said group of variables ordered by the central processor unit is accessible in the data store, wherein the operation parameter registers comprise a variable number register for registration of variable numbers, and wherein the selection device comprises a variable number selection device, the connection means connecting the variable number register via the variable number selection device to the variable number decoders.

Claim 6

Dependent Claim 242 words

The stored program controlled system of claim 3, wherein the addressing parameter registers in each of the addressing means comprise a column address register in which a column address number is registered, a number of jump registers in which serial numbers are registered, and a jump decoder connected to the jump registers in which seral numbers are registered by means of the column address number the start of an instruction column being accessed which is accessible by means of consecutive address numbers for the program store and is a part of the control information for the respective function block, each of the serial numbers indicating the difference between the column address number and the address number for an instruction in said column, said instruction being defined by one of a number of jump numbers, and wherein the operation parameter registers comprise a jump number register for registration of said jump numbers, wherein the address calculation unit comprises an adding unit the sum output of which is connected to the address number register, and wherein the selection device comprises a jump number selection device and a column selection device, the connection means connecting the jump number register via the jump number selection device to the jump number decoders, connecting the column address registers via the column selection device to the first inlet of the adding unit, and connecting the jump registers of all addressing means to the second inlet of the adding unit.

Claim 7

Dependent Claim 100 words

The stored program controlled system of claim 3 further comprising a system program store and a system data store, wherein said program and data stores comprise storage fields in the system program store and the system data store, respectively, said system stores being provided with at least one system address decoder connected to the address number register, the control information of each function block including an instruction column being stored in an associated storage field in the system program store and including groups of variables each of which being stored in an associated storage field in the system data store.

Claim 8

Dependent Claim 103 words

The stored program controlled system of claim 3 further comprising a system addressing device wherein the addressing parameter registers for all addressing means are storage fields in the system addressing device, and wherein the selection device comprises a block number decoder having inputs connected to the block number register, the connection means, for enabling the access and transport of the addressing parameters in the respective function block, including means for connecting the outlets of the block number decoder to the system address device and for connecting the read terminals of the storage fields in the system address device to the address calculation unit.

Claim 9

Dependent Claim 99 words

The stored program controlled system of claim 7 further comprising a system program store and a system data store, wherein said program and data stores are storage fields in a system program store and a system data store, said system stores being provided with at least one system address decoder connected to the address number register, the control information of such function block including an instruction column being stored in an associated storage field in the system program store and inluding groups of variables each of which being stored in an associated storage field in the system data store.

Claim 10

Dependent Claim 52 words

The stored program controlled system of claim 8, wherein the system addressing device is so formed that its storage fields are arranged as storage fields of the system data store, the addressing parameters in the respective function block being accessed through the system address decoder and being read to the information register.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1979-07-13	1980-01-12	1980-07-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1983-07-13	1984-01-12	1984-07-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1987-07-13	1988-01-12	1988-07-13	$7700.00	Window Closed / Lapsed

Function block oriented SPC system

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