FR808236A - Systèmes de télécommande par courants alternatifs - Google Patents

Systèmes de télécommande par courants alternatifs

Info

Publication number
FR808236A
FR808236A FR808236DA FR808236A FR 808236 A FR808236 A FR 808236A FR 808236D A FR808236D A FR 808236DA FR 808236 A FR808236 A FR 808236A
Authority
FR
France
Prior art keywords
remote control
control systems
systems
remote
control
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
English (en)
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.)
Compagnie des Telephones Thomson Houston
Original Assignee
Compagnie des Telephones Thomson Houston
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 Compagnie des Telephones Thomson Houston filed Critical Compagnie des Telephones Thomson Houston
Application granted granted Critical
Publication of FR808236A publication Critical patent/FR808236A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2227—Die seals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/06—Calling by using amplitude or polarity of DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
FR808236D 1938-06-01 1935-10-19 Systèmes de télécommande par courants alternatifs Expired FR808236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US211193A US2209888A (en) 1938-06-01 1938-06-01 Dredge

Publications (1)

Publication Number Publication Date
FR808236A true FR808236A (fr) 1937-02-01

Family

ID=22785920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808236D Expired FR808236A (fr) 1938-06-01 1935-10-19 Systèmes de télécommande par courants alternatifs

Country Status (2)

Country Link
US (1) US2209888A (fr)
FR (1) FR808236A (fr)

Also Published As

Publication number Publication date
US2209888A (en) 1940-07-30

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