FR510638A - Transmission facility for submarine telegraphy on board metal-bodied ships - Google Patents

Transmission facility for submarine telegraphy on board metal-bodied ships

Info

Publication number
FR510638A
FR510638A FR510638A FR510638DA FR510638A FR 510638 A FR510638 A FR 510638A FR 510638 A FR510638 A FR 510638A FR 510638D A FR510638D A FR 510638DA FR 510638 A FR510638 A FR 510638A
Authority
FR
France
Prior art keywords
bodied
ships
transmission facility
board metal
telegraphy
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
FR510638A
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR510638A publication Critical patent/FR510638A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR510638A 1914-02-06 1915-02-04 Transmission facility for submarine telegraphy on board metal-bodied ships Expired FR510638A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE287117T 1914-02-06
US5043A US1331640A (en) 1914-02-06 1915-01-29 Sending device for subaqueous-current-line telegraphy

Publications (1)

Publication Number Publication Date
FR510638A true FR510638A (en) 1920-12-08

Family

ID=21713847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510638A Expired FR510638A (en) 1914-02-06 1915-02-04 Transmission facility for submarine telegraphy on board metal-bodied ships

Country Status (3)

Country Link
US (1) US1331640A (en)
DE (1) DE287117C (en)
FR (1) FR510638A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946354A (en) * 1950-12-08 1976-03-23 The United States Of America As Represented By The Secretary Of The Navy Underwater electrical potential detection system
DE977779C (en) * 1954-10-19 1970-03-26 Bundesrep Deutschland Telegraph for underwater wireless telex
US3867710A (en) * 1960-05-02 1975-02-18 Itt Communication system
US3273110A (en) * 1964-03-02 1966-09-13 Douglas Aircraft Co Inc Underwater communication system

Also Published As

Publication number Publication date
DE287117C (en) 1915-09-10
US1331640A (en) 1920-02-24

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