GB828539A - Improvements in or relating to data processing equipment - Google Patents

Improvements in or relating to data processing equipment

Info

Publication number
GB828539A
GB828539A GB2623056A GB2623056A GB828539A GB 828539 A GB828539 A GB 828539A GB 2623056 A GB2623056 A GB 2623056A GB 2623056 A GB2623056 A GB 2623056A GB 828539 A GB828539 A GB 828539A
Authority
GB
United Kingdom
Prior art keywords
row
digit
pulse
digits
pulses
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2623056A
Inventor
Esmond Philip Goodwin Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB26517/56A priority Critical patent/GB828540A/en
Priority to GB26518/56A priority patent/GB867009A/en
Priority claimed from GB26517/56A external-priority patent/GB828540A/en
Priority to GB38559/56A priority patent/GB833369A/en
Priority claimed from GB3855856A external-priority patent/GB833368A/en
Priority to FR1180746D priority patent/FR1180746A/en
Priority to FR72129D priority patent/FR72129E/en
Priority to FR72138D priority patent/FR72138E/en
Priority to US679935A priority patent/US3104375A/en
Priority to CH358955D priority patent/CH358955A/en
Priority to US680231A priority patent/US3118131A/en
Priority to NL220245A priority patent/NL107382C/xx
Priority to BE560364D priority patent/BE560364A/xx
Priority to DEI13640A priority patent/DE1107289B/en
Priority to BE560429D priority patent/BE560429A/xx
Priority to BE560428D priority patent/BE560428A/xx
Priority to US695363A priority patent/US3013251A/en
Priority to US701767A priority patent/US3081451A/en
Priority to FR753790A priority patent/FR73043E/en
Priority to FR753789A priority patent/FR73042E/en
Priority to CH5388257A priority patent/CH370116A/en
Priority to BE563305D priority patent/BE563305A/xx
Priority to BE563307D priority patent/BE563307A/xx
Priority to CH5388157A priority patent/CH370117A/en
Publication of GB828539A publication Critical patent/GB828539A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00Conversion of the form of the representation of individual digits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02Details not particular to receiver or transmitter
    • H04L13/08Intermediate storage means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

828,539. Automatic exchange systems. STANDARD TELEPHONES & CABLES Ltd. Aug. 16, 1957 [Aug. 28, 1956], No. 26230/56. Class 40 (4). In a system in which 2- digit and 3-digit code prefixes are used, the reception of the first two digits causes the ready out of the information stored in a corresponding row of a matrix store forming part of a translator. If the two digits constitute a code prefix, the information read out is a multi-digit translation; if they do not constitute a code prefix, the information read out is a single digit, which, in combination with the third dialled digit, causes the read out of a further row corresponding to that combination, from which row the required multi-digit translation is obtained. The storage matrix is of the ferro-magnetic type and includes two groups of columns, of which the first consists of a number of sets TA ... TM (Fig. 6), one per digit for the maximum number, say six, of digits in a translation, and a set TI having as many columns as are needed to store one digit, all the columns sharing the same row wires. Each set of columns, as described, consists of ten columns, and in each row there is stored either a multidigit translation in the sections TA-TM, or a single digit in section TI, a row in any set storing a digit by one of its cells being operated to the " 1 " state and the other nine to the " 0 " state. Each column wire is associated with a circuit such as is shown in Fig. 4, and for each set of columns there is provided a pattern shift register RA, RM, RI (Fig. 6). A calling subscriber SUB (Fig. 5) is connected in well-known manner via a line-finder LF to a speech channel SC which is associated by a register finder RF with a free register REG (Figs. 5, 6). Dial tone is reverted and the first three digits dialled are repeated by IR via distributer DS to digit stores R1, R2, R3, respectively, these stores being pattern shift registers which record a digit by leaving operated the corresponding one of a chain of ten binary register elements. After the second digit has been received, DS steps to position 3, whereupon pulses PL (Fig. 2) produced by generator PLG (Fig. 1) are applied via bank DSB (Fig. 5) to the gates OG1, OG2, OG3 associated with R1, R2, R3 respectively. The output of PLG is also applied via a divideby-ten circuit DT (Fig. 1) to a three-stage counter TC which provides pulses t1, t2, t3 (Fig. 2), in its three stages respectively. When the next t1 pulse occurs, OG1 and OG2 both open because the bi-stable trigger circuit IFF (Fig. 6) is in its rest (" 0 ") condition, and ten PL pulses are applied to R1 and R2, thus transferring the first two dialled digits via gates OG4, OG5, respectively, to the pattern shift registers X and Y, which are similar to R1, R2, R3 in type. The registers X and Y control the cells of the access selector XY (Fig. 6), each of which is individual to one row of the storage matrix. Each cell (see Fig. 3) has five windings, an input winding 1 fed from pulse generator RWG which produces a read/ half-write pulse output RW (Fig. 2), an output winding 2 connected to the LG gate (Fig. 6) of the corresponding row, a column winding 3, a row winding 4, and a bias winding 5 which normally saturates the cell negatively. The row and column windings are fed via gates such as 3G1 from the corresponding X and Y register elements. These gates are also fed by pulse t2 and by an output RWA from RWG consisting of a pulse whose duration equals that of a read/half-write pulse RW. On the next t2 pulse the cell corresponding to the first two dialled digits is unsaturated by the current flowing in its row and column windings and operates as a pulse transformer to pass the waveform RW applied to its input winding 1 to its output winding 2 to open the LG gate (Fig. 6) corresponding to the " wanted " row and pass the read half-write pulse to that row. The read pulse causes pulses to appear on those column wires corresponding to the cells of that row in which " 1 " is stored. Each column wire is associated with a gate 4G1 (Fig. 4), fed by pulses RWA and, if the column wire corresponds to a cell of the row which was at " 1," the resulting pulse passes via 4G1 to the amplifier A1 and thence to the appropriate portion of the registers RA-RM or RI. The output from A1 is also applied via gate 4G2 controlled by pulses coincident with the second portion of the read/half-write pulses RW, so that a half-write pulse is applied via A2 to the column wires from which " 1 " was read. This, in conjunction with the half-write portion of the pulse RW applied to the row wire, causes " 1 " to be re-written into the appropriate cells. If the first two digits dialled constitute a code prefix, the translation will thus be read out and entered in RA-RM. On the next t3 pulse, with RA off-normal and RI normal (indicating that a translation has been recorded in response to the first two dialled digits), gate FG (Fig. 6) will not be opened and no further action takes place in the translator. If the first two dialled digits do not constitute a code prefix, the row selected contains one digit only stored in TI, which digit is transferred to RI. Pulse t3 therefore passes via gate FG and operates the trigger circuit IFF to state " 1." Consequently the next t1 pulse opens IG and OG3 instead of OG1 and OG2 and ten pulses from the PL leads transfer the digits in RI and R3 to X and Y, respectively. On the next t2 pulse the cell of XY corresponding to these two digits is rendered unsaturated and the row corresponding thereto is read out as before, the translation corresponding to the three-digit prefix being transferred to RA-RM. After reception of the third dialled digit the stepping of DS to position 4 resets IFF to its normal " 0 " condition. The production of an output pulse from any cell of XY automatically resets the registers X and Y to zero by means not shown. Specifications 719,288, 749,796 and 750,636 are referred to.
GB2623056A 1956-08-28 1956-08-28 Improvements in or relating to data processing equipment Expired GB828539A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB26517/56A GB828540A (en) 1956-08-28 1956-08-30 Improvements in or relating to data processing equipment
GB26518/56A GB867009A (en) 1956-08-28 1956-08-30 Improvements in or relating to data insertion equipment
GB38559/56A GB833369A (en) 1956-08-28 1956-12-18 Improvements in or relating to translating stored data into a code
FR1180746D FR1180746A (en) 1956-08-28 1957-07-19 Improvements to magnetic memory recording systems
FR72129D FR72129E (en) 1956-08-28 1957-07-26 Improvements to magnetic memory recording systems
FR72138D FR72138E (en) 1956-08-28 1957-07-31 Improvements to magnetic memory recording systems
US679935A US3104375A (en) 1956-08-28 1957-08-23 Intelligence storage equipment
US680231A US3118131A (en) 1956-08-28 1957-08-26 Data processing equipment
CH358955D CH358955A (en) 1956-08-28 1957-08-26 Device for processing data
NL220245A NL107382C (en) 1956-08-28 1957-08-27
BE560364D BE560364A (en) 1956-08-28 1957-08-28
DEI13640A DE1107289B (en) 1956-08-28 1957-08-29 Corrector for changing information content stored in memories
BE560428D BE560428A (en) 1956-08-28 1957-08-30
BE560429D BE560429A (en) 1956-08-28 1957-08-30
US695363A US3013251A (en) 1956-08-28 1957-11-08 Data processing equipment
US701767A US3081451A (en) 1956-08-28 1957-12-10 Serial number issuing equipment
FR753790A FR73043E (en) 1956-08-28 1957-12-13 Improvements to magnetic memory recording systems
FR753789A FR73042E (en) 1956-08-28 1957-12-13 Improvements to magnetic memory recording systems
CH5388257A CH370116A (en) 1956-08-28 1957-12-18 Device for converting incoming data into a code
BE563305D BE563305A (en) 1956-08-28 1957-12-18
BE563307D BE563307A (en) 1956-08-28 1957-12-18
CH5388157A CH370117A (en) 1956-08-28 1957-12-18 Electric counting circuit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB26517/56A GB828540A (en) 1956-08-28 1956-08-30 Improvements in or relating to data processing equipment
GB26518/56A GB867009A (en) 1956-08-28 1956-08-30 Improvements in or relating to data insertion equipment
GB38559/56A GB833369A (en) 1956-08-28 1956-12-18 Improvements in or relating to translating stored data into a code
GB3855856A GB833368A (en) 1956-12-18 1956-12-18 Improvements in or relating to electric counting circuits

Publications (1)

Publication Number Publication Date
GB828539A true GB828539A (en) 1960-02-17

Family

ID=27448691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2623056A Expired GB828539A (en) 1956-08-28 1956-08-28 Improvements in or relating to data processing equipment

Country Status (1)

Country Link
GB (1) GB828539A (en)

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