DE3065345D1 - Passive coupling arrangement and distributed data processing system including such arrangements - Google Patents

Passive coupling arrangement and distributed data processing system including such arrangements

Info

Publication number
DE3065345D1
DE3065345D1 DE8080300842T DE3065345T DE3065345D1 DE 3065345 D1 DE3065345 D1 DE 3065345D1 DE 8080300842 T DE8080300842 T DE 8080300842T DE 3065345 T DE3065345 T DE 3065345T DE 3065345 D1 DE3065345 D1 DE 3065345D1
Authority
DE
Germany
Prior art keywords
arrangements
data processing
processing system
system including
distributed data
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
DE8080300842T
Other languages
English (en)
Inventor
William Warren Davis
Ernest Sharp Griffith
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.)
Unisys Corp
Original Assignee
Sperry 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
Priority claimed from US06/023,795 external-priority patent/US4270214A/en
Priority claimed from US06/023,802 external-priority patent/US4254501A/en
Application filed by Sperry Corp filed Critical Sperry Corp
Application granted granted Critical
Publication of DE3065345D1 publication Critical patent/DE3065345D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Small-Scale Networks (AREA)
  • Dc Digital Transmission (AREA)
DE8080300842T 1979-03-26 1980-03-19 Passive coupling arrangement and distributed data processing system including such arrangements Expired DE3065345D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/023,795 US4270214A (en) 1979-03-26 1979-03-26 High impedance tap for tapped bus transmission systems
US06/023,802 US4254501A (en) 1979-03-26 1979-03-26 High impedance, Manchester (3 state) to TTL (2 wire, 2 state) transceiver for tapped bus transmission systems

Publications (1)

Publication Number Publication Date
DE3065345D1 true DE3065345D1 (en) 1983-11-24

Family

ID=26697616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080300842T Expired DE3065345D1 (en) 1979-03-26 1980-03-19 Passive coupling arrangement and distributed data processing system including such arrangements

Country Status (2)

Country Link
EP (1) EP0016637B1 (de)
DE (1) DE3065345D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901342A (en) * 1986-08-22 1990-02-13 Jones Reese M Local area network connecting computer products via long telephone lines
WO1988001459A1 (en) * 1986-08-22 1988-02-25 Farallon Computing Local area network interconnecting computer products via long telephone lines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1167557A (fr) * 1956-02-01 1958-11-26 Gen Aeronautique Marcel Dassau Perfectionnements apportés aux procédés, dispositifs et appareils de mesures radioélectriques, principalement en haute et très haute fréquence
US3899637A (en) * 1974-02-08 1975-08-12 Westinghouse Electric Corp Frequency shift keyed communications device
FR2261667B1 (de) * 1974-02-18 1978-04-21 Aerospatiale
DE2419173A1 (de) * 1974-04-20 1975-10-30 Bosch Elektronik Gmbh Mehrfachabzweiger zum richtungsabhaengigen uebertragen von hochfrequenzsignalen
DE2603607B1 (de) * 1976-01-30 1977-04-21 Siemens Ag Schutzschaltung fuer eine Datenverarbeitungseinrichtung mit Busleitungen

Also Published As

Publication number Publication date
EP0016637A1 (de) 1980-10-01
EP0016637B1 (de) 1983-10-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: UNISYS CORP. (N.D.GES.D.STAATES DELAWARE), BLUE BE

8328 Change in the person/name/address of the agent

Free format text: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING. RABUS, W., DR.-ING. BRUEGGE, J., DIPL.-ING., 2800 BREMEN MAIWALD, W., DIPL.-CHEM.DR., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee