US3181121A - Electronic programme-control - Google Patents

Electronic programme-control Download PDF

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Publication number
US3181121A
US3181121A US776231A US77623158A US3181121A US 3181121 A US3181121 A US 3181121A US 776231 A US776231 A US 776231A US 77623158 A US77623158 A US 77623158A US 3181121 A US3181121 A US 3181121A
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Prior art keywords
programme
line
lines
input
units
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Expired - Lifetime
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US776231A
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English (en)
Inventor
Losch Jurgen
Zschekel Hans
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International Standard Electric Corp
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International Standard Electric Corp
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit

Definitions

  • This invention relates to an electronic programme-control for data-processing systems comprising a central processing-station, such as an electronic computing, bookingor sorting-unit, to which several inputand output-units are connected.
  • a central processing-station such as an electronic computing, bookingor sorting-unit, to which several inputand output-units are connected.
  • the central processing-station generally consists of a number of structural units which are more or less independent, such as storages, highspeed storages, computingseating-stages, and the like, which are connected together or in individual groups for accomplishing diiferent results.
  • pluggable programmes may be provided, permitting certain programmes to be plugged in for carrying out specific sequences of operations.
  • the recording of received goods is of interest on the one hand, and, on the other hand, the recording of the stcck-onhand at certain times.
  • a computing system is set manually for a certain time to the programme recording of received goods or to the programme recording of outgoing goods, or to the programme of printing issue vouchers, and a greater number of operations are processed for whichever programme the system is set.
  • the present invention is based on the problem of providing, for data-processing systems employing a highspeed electronic processing unit, an automatic programmecontrol permitting a cooperation of this central processing station with a plurality of more or less slow-operating inputand output-units of diiierent types, even in the case of a frequent change in programme corresponding to the the different types of units.
  • the object of the present invention is to provide an electronic programme-control for use in data-processing systems employing a central processing station and a plurality of different inputand output-units capable of being connected with this central station via gating means and corresponding information-transrnission leads, in particular for employment with computing, readin and booking-systems.
  • this electronic programmecontrol of data-"processing systems is arranged in such way that control leads are assigned to each inputand output-unit indicating to the central processing station, by means of marking potentials, the respectively required programme, as well as the state of being ready for operation of the respective unit, and so that the marking potentials are only applied to an electronic progranmieselector after the information or control leads have been connected through to the central processing station, and so that, via this electronic programme-selector, the central processing station is switched over to the indicated programme by the action of electronically controlled switches.
  • a special call line is assigned to each respective inpu or output-unit for indicating the ready-to-operate condition, as well as one or more programme control leads for selecting the programme, and furthermore the arrangement is made in such a Way that the gating means are connected with a line finder which is adapted to effect a cyclical scanning of the call lines and which is rendered inoperative via the first call line conducting a marking potential, until the programme corresponding to this call line and the control line which is assigned thereto is called up in the central processing station.
  • the special call or unit ready lines can be omitted and their function usurped by the programme call lines.
  • the automatic programme-control has the great advantage that, in cases Where a high-speed electronic processing unit cooperates with a plurality of inputand output-units of the same or of a different type, which are actually mostly rather slow with respect to their operation, due to their mechanical or electromechanical component par-ts, and, accordingly, with the same or differentin-formation processing programmes, complete utilization of the operating capacity of the central processing station is obtained.
  • PEG. 1 shows an elemental block diagram for the system involving an electronic programme-control
  • FIG. 2 shows a block diagram of the system embnacing :he main or preferred embodiment of the invention involv-ing control of the gating means and the electronic programme-selector via unit-ready lines, programme call lines and line finder, V
  • FIG. 3 shows a basic circuit diagram for the line finders and the gating means for information-transmission and control leads in their preferred arrangement schematically indicated in FIG. 2, and
  • FIG. .4 shows a basic circuit diagram relating to the variation in which the function of the unit-ready lines in controlling the line finder is usurped by the programme call or control leads.
  • FIG. 1 there is shown a block diagram for dataprocessing systems employing an electronicprogrammecontrol.
  • the central data processing station ZVA and m data handling units; that is respective data input or output-units 1, 2, m, are connected with each other on the one hand, via information-transmission lines i and, on the other hand, via programme call or control leads 2.
  • information-transmission lines i and, on the other hand, via programme call or control leads 2.
  • i and one line p have been shown in FIG. 1 for each respective inputor output-unit.
  • several iand p-lines per unit may also be provided.
  • the iand o-lin'es of all inputand output-units are shown assembled to form respectively a cable I and a cable P.
  • the cable I is terminated in a gating arrangement D1 selectively permitting the connection from any one of the at respective inputor output-units to the central prowss- ,ng station ZVA.
  • the cable P is terminated in a'gating lrr'angement D2, permitting the connection of one of the programme call or control leads p with one of the n input .ines pe.
  • the input lines pe are connected with an electronic grogra-mme-seiector PW and enable the selection of n :liiferent programmes.
  • the eleclIOIllC programme-selector Via the output lines pa, the eleclIOIllC programme-selector is connected with the central processing station ZVA.. Via these output lines, the elecronic programmeselector controls the sequence of func- :ions in the central processing station in accordance with :he programme as selected by marking one of the 12 input mes.
  • the gating arrangements D1 and D2 are connected with each other via control leads S.
  • the number of these control leads is at least :qual to the number of respective inputor output-units, 2r respectively corresponds to the number of different :ypes of these units.
  • FIG. 2 there is shown a correzponding block diagram of a system incorporating the nain or preferred embodiment of the invention. In ac- :ordance With theshowing of FIG.
  • one call line r is lssigned to each of the m respective input or output-units, vhich call line is indicated by a dashline.
  • the call lines of all inputor output-units are shown assembled to orm a cable R which is connected with a line finder AS. fhis line finder is adapted to control the gating means )1 and D2 via control leads S1 and S2, respectively.
  • FIG. 3 shows a detailed basic circuit diagram relating to the gating arrangement D1 and D2, as well as the line finder AS.
  • the expression information transmission line (i) or the like is to have a broad connotation also covering a multi-Wire channel for the concurrent transmission of item coding bits and that a single line and connected gate as shown may represent a multi-wire channel and corresponding multiple gating. Similar broad meaning is to be accorded the terms unit-ready or call line (r) and programmecall line .(p)
  • the informationtransmission line i3, as well as the call line r3 and the programme line 23 are assigned to the input-unit 3.
  • the information-transmission.line i4, .the call line 14 as well as three programme lines p4 p4 and p4 are assigned to the input unit 4.
  • the cable I is connectedwith the gating-arrangement D1.
  • the individual information-transmission lines il-im are respectively applied to the associating gating circuits Gil through Gim, each information transmission line to one of the inputs of the associated gating circuit.
  • the information input-gates are designed as AND-gates.
  • the outputs of the information input-gates are connected with a bus bar d1 which is adapted to feed the information applied via any of the information input-gates to the central processing unit ZVA.
  • the call lines r of all data-handling inputand outputunits are connected with the line finder AS.
  • this line finder one call gate Gr is assigned to each of the call lines r.
  • the call line :1 is connected with one input of the gate Grl, etc., and the call line rm with one input of the gate Grm.
  • the call gates are likewise designed as AND-gates. The outputs thereof are connected respectively with the second inputs of the information input-gates Gil through Gim via the corresponding control leads s1 through sm.
  • a counter Z is provided in the line finder comprising a number of stages Z1, Z2 through Zm corresponding to the number of respective inputor output-units, the outputs of said counting stages being respectively connected with the second inputs of the corresponding call gates Grl arm.
  • the corresponding information-transmission path will only be connected from the respective input unit to the central processing station in the event of a coincidence of both the counter position and the ready-to-operate indication on the call line. 7
  • the call gate Gr2 will be opened and its output .92 will accordingly also be excited, thus unblocking the information input-gate Gi2.
  • the operating resistance which is connected to the information line i2 will be varied. This variationof the operating resistance may be utilized for reading the information from the input-unit 2.
  • an information-reading line a2 which is connected to the output ofGrZ, and which is furthermore connected with the associating input-unit 2.
  • the information-reading line ad for the input-unit 4 is excitedupon operation of the call gate Gr 4 (not shown) associated therewith to notify or condition this input-unit to read or apply information bits to the associated reading gate 61'.
  • the information-reading line a1 through am are shown to be gathered into one cable A.
  • the counter'Z may be stepped on until it detects the next successive inputor output-unit which is ready to operate.
  • the line finder AS a pulse-generator G which, via an AND-gate Ge, feezs stepping pulses to the counter Z Whenever Ge is unblocked.
  • the second input of Ge is indirectly controlled by the call lines r, that is, via the call gates and the control leads s1 through sm. These control leads are individually connected with the inputs or" an (DR-gate Oz which is unblocked when one of the control leads is energized.
  • the output of the OR-gate Gz is connected via an inverter U with one input of Ge.
  • the inverter U operates in such a way that its output is energized whenever its input is not energized, and vice versa.
  • the input of U will be energized via Oz and, consequently, Ge will be locked.
  • Ge is blocked and the counter is prevented from being stepped on until the programme which is desired by the input-unit 2 has been completely carried out.
  • the programme lines p1, p21, p22, p23, pml, pmZ are shown conforming to the assumption that only one programme line is assigned to the input-unit 1, three programme lines to the input-unit 2, and two programme lines to the input-unit
  • the connection of the programme lines p to the input lines pe of the electronic programme-selector PW is effected by gates Gp under the control of the counter Z of the line finder AS.
  • the outputs of the counter stages zl through zm are connected via corresponding control leads spl through spm with the AND-gates in the arrangement D2. Since, as already mentioned in the foregoing,
  • the arrangement D2 will condition the gates o zr through GpZE": for response to the energization or marking of programme call lines p21, p22. and p23 of the data handling unit 2.
  • the input linepeii of the electronic programme-selector will be energized.
  • the programme with the number 3 will be selected.
  • control leads spll through spm may also be connected to the control leads sll through rm and not, asin the described example of embodiment, to the outputs 21 through zm' of the counter. This bears the advantage that additional component parts which are not shown in FIG. 3-for suppressing momentary markings of the input lines pc can be avoided.
  • the outputs of Gp gates may be variously wired to the input lines pe, as by plug wires K. As indicated in FIG. 3, the'outputs of GpZZ and Gpml are both wired to input line pe3;'hence the input line pe3 may also be selected by the input-unit m by marking the programme line pml via the gate Gpml.
  • the electronic programme-selector is designed for the selection of it different programmes. Accordingly, the gating arrangement D2 is provided with n outputs.
  • the programme lines p are applied to the input side of D2, the number of lines being at least equal to the number of the inputand output-units. In most cases the number of programme lines p is substantially greater, because the inputand output-units respectively require several programmes.
  • the gates Gil, Gi2 and Gim which are shown in FIG. 3, are indicated as information input-gates. Accordingly, the data handling units 1, 2, 3, 4 to mare input-units. Whenever the data handling units to be connected are output units, then the corresponding AND- gates in the arrangement D1 will have to be connected as information output-gates, in other words, in the reversed forward-direction. If inputor output-units are each to be connected with the central processing station by means of several information-transmission lines, then, for
  • FIG. 4 of the drawings there is shown a variation of the FIG. 3 embodiment or" the invention.
  • the gates Gr of as weL as by the counter stages 21 to zm.
  • programme line p1 (from input unit 1-FIG. 3) has a branch connection 01 .to an input of the gate Grl, the three programme lines p21, p22 and p23 of the input-unit 2 are connected with the three inputs of the OR-gate O2, and the two programme lines pml and 12/112 of the input-unit m connect with the two inputs of the OR-gate Om.
  • the outputs 0t these OR-gates,-in pairs with the outputs of the corresponding counting stages, constitute the inputs of the associated call gates G22 and Grm.
  • the arrangement of the line finder as well as of the various gates in the gating arrangements chiefly depends on the different types of inputand output-units. For example, if these units are magnetic storage devices, it will be appropriate to employ electronic switches as controllable switches in the line finder within the gating arrangements and in the electronic programme-selector. However, if-the central processing station is supposed to cooperate with electromechanical inputand output-units, then it is preferable to employ as controllable switches of the electromechanical type, such as telegraph relays.
  • the automatic programme control enables a cooperation of the central processing station with a plurality of inputand output-units.
  • the advantages of a data processing system designed in accordance with this invention will become particularly evident in cases where the time required for an input unit to provide data for processing and to achieve a ready-to-transmit condition is substantially longer than the processing time itself.
  • the respective item or list number has to be fed in as well as the piece number.
  • feeding in this data via a keyboard several seconds are required.
  • the processing of the feed-in data within an electronic booking system however,.o nly requires a few milliseconds.
  • the central, booking system is now in position to deal with a great number of input-units which are operated, in parallel by several operators. In this 1 case it is appropriate to feed the information to be processed to the input-units at first, i.e. in the presentexarn stock figuresrelating to the respective itemrto the input operators position.
  • a programme control according to the invention may also be employed in a data processing system comprising severalprocessing units'serving difierent functions. In such a case it is appropriate to'arrange the programming circuit in such away that the call orprogramme lines control a selector for processing units.
  • the programme lines are advantageously marsed via an evaluating circuit for instruction signals.
  • Computing apparatus or the like comprising a plurality of data handling units, each with a data transmis sion line and with at least one programme line, data processing means common to said units for carrying out directed programs of data processing operations, first gatine means conditionable' to connect the data transmis sion lines of the data handling units selectively with the data processing means, program selecting means for directing the data processing means to carry out selected programs as called for by marked programme lines of the units connected by said first gating means,,second gating means conditionable to apply theeflect of marked programme lines of the data handling units selectively to the.
  • program selecting means to operate the latter for selecting the program for the data processing means, unit selecting means for concomitantly conditioning the first and second gating means respectively to connect the transmission line of only one selected data handling unit at a time to the data processing means and to apply the effect of a marked programme line of this same unit to the program selecting means and means coupled to said data handling units for conditioning said unit selecting means.
  • the second gating means including .AND gates, one for each programme line, each gate having one input connected with the related programme line and another input connected with said unit selecting means so as to be effective upon concurrent marking of its inputs by, the programme line and the unit selecting means to apply program selecting potential'to the program selecting means.
  • the data handling units including input units with transmission lines energizable to manifest data for transmission to the data processing means, said first gating means including AND gates havmeans and energizable to signal the unit selecting means of the readiness of the'data handling unit to be selectedfor connection of its transmission line through thefirst gating means with the data processing means and for connection of its programme line through the second gating means:
  • the unit selecting means including a line finding counter having successive unit selecting positions, means for stepping the counter from one position to the next to scan the call line of one data handling unit after another, and means operable under control of the counter and the first call line found thereby to be energized for interrupting stepping of the counter at a position for selecting the data handling unit related to the controlling call line.
  • the unit selecting means including a line finding device having successive positions corresponding to diiferent ones of the data handling units, means for stepping the device from position to position to scan the units for ready signals, and means controlled by the device and first ready signal encountered upon scanning for effecting the conditioning of said first gating means to connect the data processing means to the trans mission line of the data handling unit responsible for the controlling ready signal.
  • the means controlled by the device and ready signal also interrupting stepping of the device to maintain the device in the position corresponding to the data handling device responsible for the controlling ready signal until this signal is withdrawn.
  • Apparatus as in claim 8 some of the data handling units being provided with a plurality of programme lines, and an OR gate operated by marking of any of the plurality of programme lines of a data handling unit for producing the ready signal for this unit.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Selective Calling Equipment (AREA)
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US776231A 1957-12-12 1958-11-25 Electronic programme-control Expired - Lifetime US3181121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST13250A DE1106533B (de) 1957-12-12 1957-12-12 Elektronische Programmumschaltung

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DE (1) DE1106533B (de)
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GB (1) GB874807A (de)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268873A (en) * 1962-11-07 1966-08-23 Honeywell Inc Information handling apparatus including instruction suppression means
US3274589A (en) * 1964-02-27 1966-09-20 Thomas F Droege Encoding and recording apparatus
US3316539A (en) * 1964-02-06 1967-04-25 Phillips Petroleum Co Computer data read-in control system
US3322940A (en) * 1963-01-07 1967-05-30 Lab For Electronics Inc Centralized digital traffic counting system for recording and control
US3341820A (en) * 1964-10-13 1967-09-12 Ncr Co On-line branch for data processing systems
US3359541A (en) * 1963-12-30 1967-12-19 Ultronic Systems Corp Data retreieval system having plural addressed remote request stations
US3408629A (en) * 1966-01-10 1968-10-29 Nielsen A C Co Data handling system
US3416139A (en) * 1966-02-14 1968-12-10 Burroughs Corp Interface control module for modular computer system and plural peripheral devices
US3444525A (en) * 1966-04-15 1969-05-13 Gen Electric Centrally controlled multicomputer system
US3465298A (en) * 1966-10-26 1969-09-02 Bunker Ramo Time shared automatic machine tool control system
US3569935A (en) * 1969-04-30 1971-03-09 Ultronic Systems Corp Keyboard-controlled multiplex information retrieval system
US3582892A (en) * 1968-10-29 1971-06-01 Ibm Sense, store and interlock matrix circuit for a switching device
US3582903A (en) * 1967-11-16 1971-06-01 Bull General Electric For transferring information between a central unit and peripheral elements
US3622994A (en) * 1970-02-11 1971-11-23 Honeywell Inc Control and supervision system having data storage
US3719926A (en) * 1971-03-01 1973-03-06 Jamesbury Corp Tape program control
US3818449A (en) * 1973-03-28 1974-06-18 Action Communication Syst Inc Communications processor system having time shared control devices and dialers
US6039168A (en) * 1971-04-16 2000-03-21 Texas Instruments Incorporated Method of manufacturing a product from a workpiece

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432813A (en) * 1966-04-19 1969-03-11 Ibm Apparatus for control of a plurality of peripheral devices
FR1566177A (de) * 1967-11-16 1969-05-09

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US2587532A (en) * 1948-05-05 1952-02-26 Teleregister Corp System for magnetic storage of data
US2645764A (en) * 1950-06-14 1953-07-14 Int Standard Electric Corp Intelligence exchange system
US2910238A (en) * 1951-11-13 1959-10-27 Sperry Rand Corp Inventory digital storage and computation apparatus
US2995729A (en) * 1956-02-16 1961-08-08 Digital Control Systems Inc Electronic digital inventory computer
US3029414A (en) * 1958-08-11 1962-04-10 Honeywell Regulator Co Information handling apparatus

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US2587532A (en) * 1948-05-05 1952-02-26 Teleregister Corp System for magnetic storage of data
US2645764A (en) * 1950-06-14 1953-07-14 Int Standard Electric Corp Intelligence exchange system
US2910238A (en) * 1951-11-13 1959-10-27 Sperry Rand Corp Inventory digital storage and computation apparatus
US2995729A (en) * 1956-02-16 1961-08-08 Digital Control Systems Inc Electronic digital inventory computer
US3029414A (en) * 1958-08-11 1962-04-10 Honeywell Regulator Co Information handling apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268873A (en) * 1962-11-07 1966-08-23 Honeywell Inc Information handling apparatus including instruction suppression means
US3322940A (en) * 1963-01-07 1967-05-30 Lab For Electronics Inc Centralized digital traffic counting system for recording and control
US3359541A (en) * 1963-12-30 1967-12-19 Ultronic Systems Corp Data retreieval system having plural addressed remote request stations
US3316539A (en) * 1964-02-06 1967-04-25 Phillips Petroleum Co Computer data read-in control system
US3274589A (en) * 1964-02-27 1966-09-20 Thomas F Droege Encoding and recording apparatus
US3341820A (en) * 1964-10-13 1967-09-12 Ncr Co On-line branch for data processing systems
US3408629A (en) * 1966-01-10 1968-10-29 Nielsen A C Co Data handling system
US3416139A (en) * 1966-02-14 1968-12-10 Burroughs Corp Interface control module for modular computer system and plural peripheral devices
US3444525A (en) * 1966-04-15 1969-05-13 Gen Electric Centrally controlled multicomputer system
US3465298A (en) * 1966-10-26 1969-09-02 Bunker Ramo Time shared automatic machine tool control system
US3582903A (en) * 1967-11-16 1971-06-01 Bull General Electric For transferring information between a central unit and peripheral elements
US3582892A (en) * 1968-10-29 1971-06-01 Ibm Sense, store and interlock matrix circuit for a switching device
US3569935A (en) * 1969-04-30 1971-03-09 Ultronic Systems Corp Keyboard-controlled multiplex information retrieval system
US3622994A (en) * 1970-02-11 1971-11-23 Honeywell Inc Control and supervision system having data storage
US3719926A (en) * 1971-03-01 1973-03-06 Jamesbury Corp Tape program control
US6039168A (en) * 1971-04-16 2000-03-21 Texas Instruments Incorporated Method of manufacturing a product from a workpiece
US6076652A (en) * 1971-04-16 2000-06-20 Texas Instruments Incorporated Assembly line system and apparatus controlling transfer of a workpiece
US6467605B1 (en) 1971-04-16 2002-10-22 Texas Instruments Incorporated Process of manufacturing
US3818449A (en) * 1973-03-28 1974-06-18 Action Communication Syst Inc Communications processor system having time shared control devices and dialers

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CH370940A (de) 1963-07-31
DE1106533B (de) 1961-05-10
GB874807A (en) 1961-08-10
FR1223367A (fr) 1960-06-16

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