FR857472A - Repeater for transmission systems on overhead bare wires using high frequency power lines - Google Patents

Repeater for transmission systems on overhead bare wires using high frequency power lines

Info

Publication number
FR857472A
FR857472A FR857472DA FR857472A FR 857472 A FR857472 A FR 857472A FR 857472D A FR857472D A FR 857472DA FR 857472 A FR857472 A FR 857472A
Authority
FR
France
Prior art keywords
repeater
high frequency
frequency power
power lines
transmission systems
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
Other languages
French (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.)
Fides BV
Original Assignee
Fides BV
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 Fides BV filed Critical Fides BV
Application granted granted Critical
Publication of FR857472A publication Critical patent/FR857472A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Radio Relay Systems (AREA)
  • Amplifiers (AREA)
FR857472D 1938-07-10 1939-07-07 Repeater for transmission systems on overhead bare wires using high frequency power lines Expired FR857472A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES132926D DE722561C (en) 1938-07-10 1938-07-10 Amplifier for overhead lines running between remote offices
DES143413D DE738068C (en) 1938-07-10 1940-12-22 Amplifier for overhead lines running between remote offices

Publications (1)

Publication Number Publication Date
FR857472A true FR857472A (en) 1940-09-14

Family

ID=42224776

Family Applications (2)

Application Number Title Priority Date Filing Date
FR857472D Expired FR857472A (en) 1938-07-10 1939-07-07 Repeater for transmission systems on overhead bare wires using high frequency power lines
FR51876D Expired FR51876E (en) 1938-07-10 1941-12-17 Repeater for transmission systems on overhead bare wires using high frequency power lines

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR51876D Expired FR51876E (en) 1938-07-10 1941-12-17 Repeater for transmission systems on overhead bare wires using high frequency power lines

Country Status (3)

Country Link
CH (1) CH227037A (en)
DE (2) DE722561C (en)
FR (2) FR857472A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960550C (en) * 1942-02-01 1957-03-21 Siemens Ag Carrier-frequency message transmission system
US4392220A (en) * 1980-05-30 1983-07-05 Nippon Electric Co., Ltd. Modem to be coupled to a directional transmission line of an SS multiplex communication network
WO1997018642A1 (en) * 1995-11-14 1997-05-22 Allen Telecom Inc. Bi-directional amplifiers and signal channels for frequency division duplex communications

Also Published As

Publication number Publication date
FR51876E (en) 1943-05-24
CH227037A (en) 1943-05-15
DE722561C (en) 1942-07-13
DE738068C (en) 1943-08-02

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