FR703473A - Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals - Google Patents

Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals

Info

Publication number
FR703473A
FR703473A FR703473DA FR703473A FR 703473 A FR703473 A FR 703473A FR 703473D A FR703473D A FR 703473DA FR 703473 A FR703473 A FR 703473A
Authority
FR
France
Prior art keywords
transmission
radiotelegraph
telegraph
signals
automatic transmission
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)
Inventor
Jacques Emile Marce Detruiseux
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 filed Critical
Application granted granted Critical
Publication of FR703473A publication Critical patent/FR703473A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Brushes (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
FR703473D 1930-10-08 1930-10-08 Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals Expired FR703473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR583405X 1930-10-08

Publications (1)

Publication Number Publication Date
FR703473A true FR703473A (en) 1931-04-30

Family

ID=8958656

Family Applications (2)

Application Number Title Priority Date Filing Date
FR703473D Expired FR703473A (en) 1930-10-08 1930-10-08 Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals
FR40719D Expired FR40719E (en) 1930-10-08 1931-09-09 Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR40719D Expired FR40719E (en) 1930-10-08 1931-09-09 Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals

Country Status (3)

Country Link
DE (1) DE583405C (en)
FR (2) FR703473A (en)
GB (1) GB378251A (en)

Also Published As

Publication number Publication date
GB378251A (en) 1932-08-11
FR40719E (en) 1932-08-22
DE583405C (en) 1933-09-04

Similar Documents

Publication Publication Date Title
FR855820A (en) Method and device for transmitting or receiving television signals
FR754760A (en) Improved method and devices for transmitting electrical signals
FR40719E (en) Apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals
FR723907A (en) transmitter element for apparatus for the automatic transmission and transmission of telegraph or radiotelegraph signals
FR679528A (en) Device for the transmission or reception of short waves
FR712017A (en) Force development and transmission device
FR737182A (en) Ultra-shortwave transmission and reception device
FR627045A (en) Apparatus of t. s. f. for reception and for transmission
FR720686A (en) Transmission device
FR702231A (en) Device for the transmission of signals between train and line
FR654714A (en) Method for the telegraphic transmission of Morse signals and device for its realization
FR717687A (en) Control device for clutches and the like
FR722390A (en) Device for remote transmission of still or moving images
FR720309A (en) Transmission device
FR855416A (en) Methods and apparatus for transmitting and receiving telegraph signals
FR706881A (en) Device allowing the remote launching of lottery wheels or discs
FR727625A (en) Device for transmitting and recording signals
FR669415A (en) Device for transmitting or receiving ultra-short waves
FR653312A (en) Television transmission and reception device
FR45056E (en) Device for transmitting orders or signals
FR711236A (en) Improvements made to order or signal transmission installations
FR763352A (en) Method and device for the telegraphic transmission of write and image signals
CA312651A (en) Signal transmitting and recording apparatus
CA295945A (en) Apparatus for transmitting and receiving signals
CA304286A (en) Sound or vibration transmitting apparatus