GB1370591A - Device for generating data - Google Patents

Device for generating data

Info

Publication number
GB1370591A
GB1370591A GB1025473A GB1025473A GB1370591A GB 1370591 A GB1370591 A GB 1370591A GB 1025473 A GB1025473 A GB 1025473A GB 1025473 A GB1025473 A GB 1025473A GB 1370591 A GB1370591 A GB 1370591A
Authority
GB
United Kingdom
Prior art keywords
matrix
sets
multivibrator
flop
march
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
GB1025473A
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Publication of GB1370591A publication Critical patent/GB1370591A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc Digital Transmission (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Communication Control (AREA)
  • Computer And Data Communications (AREA)

Abstract

1370591 Telegraphy; station identification NCR CORP 2 March 1973 [17 March 1972] 10254/73 Heading H4P A station identification arrangement comprises a matrix 46 having 21 rows 1-i, each representative of one character, and seven columns A-G representing seven bit characters. Column H represents a stop bit. Normally the matrix is at positive potential but rows are sequentially grounded which is detected by inverter gates 56-59 giving 1 outputs at each position a diode, e.g. 52 is connected. A send SD or enquiry flag signal EY applied over lines 32 or 30 respectively to inputs of OR 72 sets monostable circuit 74, and on reset flip-flop 70 sets and IDSF output enables a 21 stage shift register 76 which is stepped by clock pulses causing issue through the matrix of identification signals. These may be printed or not as desired. A latch 80 set by multivibrator 78 causes a keyboard to be locked during this period. A RST signal from (20), Fig. 1 (not shown), through inverter 81 to NAND 90 sets flip-flop 64 and inhibits multivibrator 74 from acting on any further send or enquiry signals during the time a character is being sent to interface (14).
GB1025473A 1972-03-17 1973-03-02 Device for generating data Expired GB1370591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23559772A 1972-03-17 1972-03-17

Publications (1)

Publication Number Publication Date
GB1370591A true GB1370591A (en) 1974-10-16

Family

ID=22886173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1025473A Expired GB1370591A (en) 1972-03-17 1973-03-02 Device for generating data

Country Status (6)

Country Link
US (1) US3789364A (en)
JP (1) JPS4914054A (en)
CA (1) CA976255A (en)
DE (1) DE2312648C3 (en)
FR (1) FR2176774B1 (en)
GB (1) GB1370591A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990235A (en) * 1972-12-28 1974-08-28
JPS56119596A (en) * 1980-02-26 1981-09-19 Nec Corp Control signal generator
US4456972A (en) * 1982-02-25 1984-06-26 Honeywell Information Systems Inc. Keyboard identification sequence

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610243A (en) * 1951-04-06 1952-09-09 Monroe Calculating Machine Keyboard operated translating circuit
US3064236A (en) * 1959-07-16 1962-11-13 Bell Telephone Labor Inc Selective signaling system
US3171098A (en) * 1961-02-08 1965-02-23 Motorola Inc Binary selective calling system
US3230355A (en) * 1962-12-04 1966-01-18 Melpar Inc Matrix logic computer
US3281795A (en) * 1962-12-28 1966-10-25 Ibm Message assembly and distribution apparatus

Also Published As

Publication number Publication date
US3789364A (en) 1974-01-29
DE2312648B2 (en) 1978-07-13
DE2312648C3 (en) 1979-03-08
FR2176774B1 (en) 1974-05-17
CA976255A (en) 1975-10-14
DE2312648A1 (en) 1973-09-27
JPS4914054A (en) 1974-02-07
FR2176774A1 (en) 1973-11-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee