FR757570A - Call device for watertight stations - Google Patents

Call device for watertight stations

Info

Publication number
FR757570A
FR757570A FR757570DA FR757570A FR 757570 A FR757570 A FR 757570A FR 757570D A FR757570D A FR 757570DA FR 757570 A FR757570 A FR 757570A
Authority
FR
France
Prior art keywords
watertight
stations
call device
call
watertight stations
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR757570A publication Critical patent/FR757570A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR757570D 1932-09-30 1932-09-30 Call device for watertight stations Expired FR757570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR757570T 1932-09-30

Publications (1)

Publication Number Publication Date
FR757570A true FR757570A (en) 1933-12-28

Family

ID=9166214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757570D Expired FR757570A (en) 1932-09-30 1932-09-30 Call device for watertight stations

Country Status (1)

Country Link
FR (1) FR757570A (en)

Similar Documents

Publication Publication Date Title
FR775474A (en) Attachment device for one or more cables
FR757570A (en) Call device for watertight stations
FR719750A (en) Call device for automatic telephone
FR753671A (en) Device for obtaining galvanic coatings
CH195492A (en) Auxiliary device for automatic telephone device call disc.
FR758822A (en) Call device for telephone sets
FR766329A (en) Device for launching a top
FR765932A (en) Call device for automatic telephony
FR738067A (en) Boat propulsion device
FR755198A (en) Rescue device for submarines
FR748260A (en) Cable hooking device
FR750683A (en) Sealing device for vaults
FR777885A (en) Service call device
FR728914A (en) Device for operating the call disc of automatic telephony stations
FR739805A (en) Trailer coupling device
FR751737A (en) Advanced telephone call dial device
FR759776A (en) Call dial
FR759562A (en) Device for stretching skins
FR734605A (en) Device for the automatic selection of any number of telephone calls
FR734607A (en) Device for the automatic selection of any number of telephone calls
FR759945A (en) Loudspeaker centering device
FR781716A (en) Device for foam improvement
FR791004A (en) Selective calling device for powerline communications
FR776938A (en) Radiotelegraph and radiotelephone call device
FR731755A (en) Anchoring device for mobile winches