FI71048C - Foerfarande och anordning vid en fjaerrskrivanlaeggning - Google Patents

Foerfarande och anordning vid en fjaerrskrivanlaeggning Download PDF

Info

Publication number
FI71048C
FI71048C FI770014A FI770014A FI71048C FI 71048 C FI71048 C FI 71048C FI 770014 A FI770014 A FI 770014A FI 770014 A FI770014 A FI 770014A FI 71048 C FI71048 C FI 71048C
Authority
FI
Finland
Prior art keywords
current
voltage
loop
transistor
impedance
Prior art date
Application number
FI770014A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI71048B (fi
FI770014A (fi
Inventor
Hans Eric Hultman
Alexander Stridh
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of FI770014A publication Critical patent/FI770014A/fi
Application granted granted Critical
Publication of FI71048B publication Critical patent/FI71048B/fi
Publication of FI71048C publication Critical patent/FI71048C/fi

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
    • H04L25/12—Compensating for variations in line impedance
    • 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
    • H04L25/028—Arrangements specific to the transmitter end
    • H04L25/0282—Provision for current-mode coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Communication Control (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Electrotherapy Devices (AREA)
FI770014A 1976-12-29 1977-01-04 Foerfarande och anordning vid en fjaerrskrivanlaeggning FI71048C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7614647 1976-12-29
SE7614647A SE408362B (sv) 1976-12-29 1976-12-29 Sett att vid en fjerrskrivanleggning reglera strommmen samt anordning for utforande av settet

Publications (3)

Publication Number Publication Date
FI770014A FI770014A (fi) 1978-06-30
FI71048B FI71048B (fi) 1986-07-18
FI71048C true FI71048C (fi) 1986-10-27

Family

ID=20329868

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770014A FI71048C (fi) 1976-12-29 1977-01-04 Foerfarande och anordning vid en fjaerrskrivanlaeggning

Country Status (10)

Country Link
US (1) US4143239A (it)
JP (1) JPS6012825B2 (it)
AU (1) AU509616B2 (it)
CA (1) CA1101517A (it)
DE (1) DE2756382A1 (it)
FI (1) FI71048C (it)
FR (1) FR2376575A1 (it)
GB (1) GB1563580A (it)
IT (1) IT1089616B (it)
SE (1) SE408362B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54110710A (en) * 1978-02-17 1979-08-30 Nippon Telegr & Teleph Corp <Ntt> Pulse signal transmission system
DE3049821A1 (de) * 1979-08-29 1982-02-25 Fuji Electric Co Ltd Wire data transmission system
DE3172331D1 (en) * 1981-06-25 1985-10-24 Ibm Method and device for transmitting logic signals between micro chips
DE3421784A1 (de) * 1984-06-12 1985-12-12 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum schutz elektronischer schaltungsteile gegen ueberstrom
JPS6387638U (it) * 1986-11-28 1988-06-08
US4885795A (en) * 1987-11-06 1989-12-05 Bunting, Inc. Hospital digital data transfer system
GB9006088D0 (en) * 1990-03-17 1990-05-16 Digital Equipment Int Interference suppression
US5274703A (en) * 1991-05-23 1993-12-28 At&T Bell Laboratories Automatic loss control circuit
DE4205241C2 (de) * 1992-02-21 1997-12-18 Itt Ind Gmbh Deutsche Potentialfreie Datenübertragungseinrichtung
DE19926006A1 (de) * 1999-06-08 2000-12-14 Moeller Gmbh Datenübertragungseinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE626083A (it) * 1964-03-04
US3497721A (en) * 1966-04-22 1970-02-24 Fred A Dexter Variable resistance diode in an automatic signal voltage leveler
DE2035379C3 (de) * 1970-07-16 1975-10-09 Siemens Ag Schaltungsanordnung zum Einstellen des Linienstromes in Telegrafieteilnehmer-Anschlußschaltungen einer Vermittlungsanlage
JPS4825403U (it) * 1971-08-03 1973-03-26
FR2199920A5 (it) * 1972-06-16 1974-04-12 Materiel Telephonique
JPS5143525B2 (it) * 1973-02-12 1976-11-22
DE2358003C3 (de) * 1973-11-21 1982-02-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Pegelumsetzung logischer Signale

Also Published As

Publication number Publication date
SE7614647L (sv) 1978-06-30
FR2376575B1 (it) 1985-04-05
JPS6012825B2 (ja) 1985-04-03
US4143239A (en) 1979-03-06
GB1563580A (en) 1980-03-26
FR2376575A1 (fr) 1978-07-28
FI71048B (fi) 1986-07-18
AU509616B2 (en) 1980-05-15
CA1101517A (en) 1981-05-19
IT1089616B (it) 1985-06-18
DE2756382A1 (de) 1978-07-06
JPS5384404A (en) 1978-07-25
SE408362B (sv) 1979-06-05
AU3208577A (en) 1979-07-05
FI770014A (fi) 1978-06-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN