FR2389286B1 - Emetteur de telegraphie electronique a courant continu - Google Patents

Emetteur de telegraphie electronique a courant continu

Info

Publication number
FR2389286B1
FR2389286B1 FR7812557A FR7812557A FR2389286B1 FR 2389286 B1 FR2389286 B1 FR 2389286B1 FR 7812557 A FR7812557 A FR 7812557A FR 7812557 A FR7812557 A FR 7812557A FR 2389286 B1 FR2389286 B1 FR 2389286B1
Authority
FR
France
Prior art keywords
direct current
current electronic
telegraphy
transmitter
telegraphy transmitter
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
FR7812557A
Other languages
English (en)
Other versions
FR2389286A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2389286A1 publication Critical patent/FR2389286A1/fr
Application granted granted Critical
Publication of FR2389286B1 publication Critical patent/FR2389286B1/fr
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
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
    • 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
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7812557A 1977-04-29 1978-04-27 Emetteur de telegraphie electronique a courant continu Expired FR2389286B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704703A NL7704703A (nl) 1977-04-29 1977-04-29 Electronische gelijkstroomtelegrafiezender.

Publications (2)

Publication Number Publication Date
FR2389286A1 FR2389286A1 (fr) 1978-11-24
FR2389286B1 true FR2389286B1 (fr) 1987-01-23

Family

ID=19828458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812557A Expired FR2389286B1 (fr) 1977-04-29 1978-04-27 Emetteur de telegraphie electronique a courant continu

Country Status (11)

Country Link
US (1) US4166196A (fr)
JP (1) JPS582499B2 (fr)
AU (1) AU513535B2 (fr)
CA (1) CA1099368A (fr)
CH (1) CH629052A5 (fr)
DE (1) DE2817034C2 (fr)
FR (1) FR2389286B1 (fr)
GB (1) GB1563085A (fr)
IT (1) IT1095006B (fr)
NL (1) NL7704703A (fr)
SE (1) SE429081B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181896C (nl) * 1979-06-05 1987-11-16 Philips Nv Elektronische zender voor gelijkstroomtelegrafietransmissie.
DE2925747C2 (de) * 1979-06-26 1981-07-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für einen elektronischen Gleichstrom-Telegrafiesender
DE3035999C2 (de) * 1980-09-24 1984-07-26 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Umsetzen eines binären Eingangssignals in ein Telegrafiersignal
FR2522909A1 (fr) * 1982-03-02 1983-09-09 Chazenfus Henri Modulateur numerique a plusieurs niveaux d'amplitude avec compensation de composante continue
DE3619098A1 (de) * 1986-06-06 1987-12-10 Bosch Gmbh Robert Schutzvorrichtung gegen stoersignale
NL8800741A (nl) * 1988-03-24 1989-10-16 At & T & Philips Telecomm Binair-ternair omzetter voor het samenvoegen van twee binaire signalen.
GB2421689B (en) * 2002-08-05 2007-03-07 Caretek Medical Ltd Drug delivery system
CN101855840B (zh) * 2007-09-12 2014-07-23 瓦列里·瓦西里耶维奇·奥夫奇尼科夫 用于传输离散电信号的方法
US20120319826A1 (en) * 2011-06-14 2012-12-20 Astronics Advanced Electronic Systems Corp. Power Line Data Communication Using Current Modulation
LT2866354T (lt) * 2013-10-25 2019-10-10 Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) Būdas ir sistema energijos bei duomenų impulsams perduoti per magistralę

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497724A (en) * 1967-10-17 1970-02-24 Ibm Waveshaping circuit apparatus
US3835252A (en) * 1968-11-12 1974-09-10 Burroughs Corp Signal transmission system over bidirectional transmission line
JPS4841722B1 (fr) * 1969-06-13 1973-12-08
US3751682A (en) * 1971-12-17 1973-08-07 Sperry Rand Corp Pulsed voltage driver for capacitive load
FR2199920A5 (fr) * 1972-06-16 1974-04-12 Materiel Telephonique
DE2310940C3 (de) * 1973-03-05 1979-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Anschließen von Telegrafieteilnehmern an Wechselstrom-Übertragungseinrichtungen und Vermittlungsanlagen
DE2358003C3 (de) * 1973-11-21 1982-02-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Pegelumsetzung logischer Signale
DE2410957C2 (de) * 1974-03-07 1982-10-21 Nixdorf Computer Ag, 4790 Paderborn Schaltungsanordnung für Datenübertragungsanlagen, zur Unterdrückung impulsförmiger Signale in einer Eingangssignalfolge
DE2613590C2 (de) * 1976-03-30 1977-10-27 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Auswertung von Zustandsänderung auf Leitungen in Fernmelde- insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
IT1095006B (it) 1985-08-10
DE2817034C2 (de) 1981-09-17
DE2817034A1 (de) 1978-11-09
CH629052A5 (de) 1982-03-31
SE7804747L (sv) 1978-10-30
GB1563085A (en) 1980-03-19
IT7822726A0 (it) 1978-04-26
US4166196A (en) 1979-08-28
CA1099368A (fr) 1981-04-14
NL7704703A (nl) 1978-10-31
AU513535B2 (en) 1980-12-04
SE429081B (sv) 1983-08-08
JPS582499B2 (ja) 1983-01-17
FR2389286A1 (fr) 1978-11-24
AU3543578A (en) 1979-11-01
JPS53135501A (en) 1978-11-27

Similar Documents

Publication Publication Date Title
DK482077A (da) Styrekredsloeb for kommunikationsstation
NL7807364A (nl) Elektronische halftoonvorming.
FR2389286B1 (fr) Emetteur de telegraphie electronique a courant continu
FR2347822A1 (fr) Circuit de commande de tonalite
RO75795A (fr) Circuit d'alimentation pour recepteurs tv
AT367931B (de) Elektronischer rundsteuerempfaenger
JPS5432008A (en) Tuning circuit
GB2008870B (en) Electronic control circuit
JPS5391509A (en) Telephone transmitter receiver circuit
JPS547202A (en) Electronic tuning receiver
GB2004433B (en) Electronic switching circuit
BE883619A (fr) Emetteur electronique pour des systemes de telegraphie par courant continu
JPS5482111A (en) Transmitting circuit
YU165680A (en) Circuit assembly for an electronic telegraphy transmitter with direct current
NO782676L (no) Elektrisk kretsanordning.
JPS5451313A (en) Facsimile receiver circuit
JPS5459060A (en) Tone control circuit
JPS54808A (en) Electronic tuning receiver
JPS5434701A (en) Tuning pulse generating light receiving circuit for electronic tuning receiver
SU597090A1 (ru) Электронный телеграфный ключ
JPS5445556A (en) Low frequency tone control circuit
JPS544014A (en) Muutuning circuit for electronic tuning receiver
GB2001810B (en) Arrangement for monitoring an electrical circuit or network
JPS5437503A (en) Electronic tuning receiver
JPS54809A (en) Electronic tuning receiver

Legal Events

Date Code Title Description
ST Notification of lapse