CA955336A - Data communication controller having dual scanning - Google Patents

Data communication controller having dual scanning

Info

Publication number
CA955336A
CA955336A CA122,705A CA122705A CA955336A CA 955336 A CA955336 A CA 955336A CA 122705 A CA122705 A CA 122705A CA 955336 A CA955336 A CA 955336A
Authority
CA
Canada
Prior art keywords
data communication
communication controller
dual scanning
dual
scanning
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
CA122,705A
Other languages
English (en)
Other versions
CA122705S (en
Inventor
James A. Kennedy
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA955336A publication Critical patent/CA955336A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F13/225—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling with priority control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters
    • H04L5/245—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters with a number of discharge tubes or semiconductor elements which successively connect the different channels to the transmission channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
CA122,705A 1970-09-30 1971-09-13 Data communication controller having dual scanning Expired CA955336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7678770A 1970-09-30 1970-09-30

Publications (1)

Publication Number Publication Date
CA955336A true CA955336A (en) 1974-09-24

Family

ID=22134183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122,705A Expired CA955336A (en) 1970-09-30 1971-09-13 Data communication controller having dual scanning

Country Status (6)

Country Link
US (1) US3723973A (enExample)
JP (1) JPS5512778B1 (enExample)
CA (1) CA955336A (enExample)
DE (1) DE2148956C3 (enExample)
FR (1) FR2108113B3 (enExample)
GB (1) GB1359662A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828325A (en) * 1973-02-05 1974-08-06 Honeywell Inf Systems Universal interface system using a controller to adapt to any connecting peripheral device
US4296464A (en) * 1977-03-03 1981-10-20 Honeywell Inc. Process control system with local microprocessor control means
USRE36989E (en) * 1979-10-18 2000-12-12 Storage Technology Corporation Virtual storage system and method
US4688212A (en) * 1985-01-31 1987-08-18 Harris Corporation Centralized image responsive telephone time slot interchange system
US4809164A (en) * 1986-03-26 1989-02-28 Tandem Computers Incorporated Processor controlled modifying of tabled input/output priority
US4954950A (en) * 1986-09-17 1990-09-04 International Business Machines Corporation Terminal communications circuit
US5218552A (en) * 1990-07-30 1993-06-08 Smart House, L.P. Control apparatus for use in a dwelling
US6665733B1 (en) 1996-12-30 2003-12-16 Hewlett-Packard Development Company, L.P. Network communication device including bonded ports for increased bandwidth
US6098109A (en) 1996-12-30 2000-08-01 Compaq Computer Corporation Programmable arbitration system for determining priority of the ports of a network switch
WO1998040810A2 (en) 1997-03-12 1998-09-17 Storage Technology Corporation Network attached virtual tape data storage subsystem
US6658526B2 (en) 1997-03-12 2003-12-02 Storage Technology Corporation Network attached virtual data storage subsystem
US6094605A (en) 1998-07-06 2000-07-25 Storage Technology Corporation Virtual automated cartridge system
US6272113B1 (en) 1998-09-11 2001-08-07 Compaq Computer Corporation Network controller system that uses multicast heartbeat packets
US6381218B1 (en) 1998-09-11 2002-04-30 Compaq Computer Corporation Network controller system that uses directed heartbeat packets
US6229538B1 (en) 1998-09-11 2001-05-08 Compaq Computer Corporation Port-centric graphic representations of network controllers
US6330621B1 (en) 1999-01-15 2001-12-11 Storage Technology Corporation Intelligent data storage manager
US6834324B1 (en) 2000-04-10 2004-12-21 Storage Technology Corporation System and method for virtual tape volumes
US8954007B2 (en) * 2011-08-12 2015-02-10 Wicentric, Inc. Systems and methods for low power short range wireless device communication scanning

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26984A (en) * 1860-01-31 Improved paddle-wheel
BE638436A (enExample) * 1962-10-15
US3331055A (en) * 1964-06-01 1967-07-11 Sperry Rand Corp Data communication system with matrix selection of line terminals
US3350697A (en) * 1965-02-24 1967-10-31 Collins Radio Co Storage means for receiving, assembling, and distributing teletype characters
US3407387A (en) * 1965-03-01 1968-10-22 Burroughs Corp On-line banking system
US3534339A (en) * 1967-08-24 1970-10-13 Burroughs Corp Service request priority resolver and encoder
US3618039A (en) * 1969-07-28 1971-11-02 Honeywell Inf Systems Data communication system including automatic information transfer control means

Also Published As

Publication number Publication date
GB1359662A (en) 1974-07-10
FR2108113A3 (enExample) 1972-05-12
DE2148956B2 (de) 1979-05-31
DE2148956C3 (de) 1980-01-24
JPS5512778B1 (enExample) 1980-04-04
FR2108113B3 (enExample) 1974-06-07
US3723973A (en) 1973-03-27
DE2148956A1 (de) 1972-04-06

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