IT7830876A0 - Assieme circuitale estensore per terminali a distanza azionati mediante scheda. - Google Patents

Assieme circuitale estensore per terminali a distanza azionati mediante scheda.

Info

Publication number
IT7830876A0
IT7830876A0 IT7830876A IT3087678A IT7830876A0 IT 7830876 A0 IT7830876 A0 IT 7830876A0 IT 7830876 A IT7830876 A IT 7830876A IT 3087678 A IT3087678 A IT 3087678A IT 7830876 A0 IT7830876 A0 IT 7830876A0
Authority
IT
Italy
Prior art keywords
card
circuit assembly
remote terminals
extension circuit
terminals operated
Prior art date
Application number
IT7830876A
Other languages
English (en)
Other versions
IT1160348B (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7830876A0 publication Critical patent/IT7830876A0/it
Application granted granted Critical
Publication of IT1160348B publication Critical patent/IT1160348B/it

Links

Classifications

    • 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)
IT30876/78A 1977-12-23 1978-12-15 Assiene circuitale estensore per terminali a distanza azionati mediante scheda IT1160348B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/863,831 US4144584A (en) 1977-12-23 1977-12-23 Remote card operated terminal extensor circuitry

Publications (2)

Publication Number Publication Date
IT7830876A0 true IT7830876A0 (it) 1978-12-15
IT1160348B IT1160348B (it) 1987-03-11

Family

ID=25341888

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30876/78A IT1160348B (it) 1977-12-23 1978-12-15 Assiene circuitale estensore per terminali a distanza azionati mediante scheda

Country Status (7)

Country Link
US (1) US4144584A (it)
JP (1) JPS5488039A (it)
CA (1) CA1104227A (it)
DE (1) DE2852487A1 (it)
FR (1) FR2412887A1 (it)
GB (1) GB2011220B (it)
IT (1) IT1160348B (it)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303472A (en) * 1962-10-08 1967-02-07 Control Data Corp System and apparatus for automatic data collection
US3314051A (en) * 1964-05-12 1967-04-11 Willcox Selective-call data system
US3731282A (en) * 1971-08-27 1973-05-01 Allied Management & Systems Co Multifunction routing network
US3898373A (en) * 1971-09-09 1975-08-05 Leo F Walsh Data communication system
US3803419A (en) * 1972-05-01 1974-04-09 Texas Instruments Inc Optically coupled threshold monitoring system
US3833884A (en) * 1973-06-25 1974-09-03 Ibm Badge or credit card reading system with integral status monitoring
US4025760A (en) * 1975-08-14 1977-05-24 Addressograph Multigraph Corporation Security means for transaction terminal system
US4025905A (en) * 1975-11-28 1977-05-24 Incoterm Corporation System for on-line processing of banking transactions

Also Published As

Publication number Publication date
FR2412887A1 (fr) 1979-07-20
FR2412887B1 (it) 1983-06-10
DE2852487A1 (de) 1979-06-28
GB2011220B (en) 1982-02-24
JPS5488039A (en) 1979-07-12
CA1104227A (en) 1981-06-30
IT1160348B (it) 1987-03-11
GB2011220A (en) 1979-07-04
US4144584A (en) 1979-03-13

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