FR477E - Telephone receiver for dispatches sent by means of electromagnetic oscillations by signals of the Morse alphabet - Google Patents

Telephone receiver for dispatches sent by means of electromagnetic oscillations by signals of the Morse alphabet

Info

Publication number
FR477E
FR477E FR477DA FR477E FR 477 E FR477 E FR 477E FR 477D A FR477D A FR 477DA FR 477 E FR477 E FR 477E
Authority
FR
France
Prior art keywords
dispatches
sent
signals
telephone receiver
electromagnetic oscillations
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
Popoff Alexandre
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR477E publication Critical patent/FR477E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C8/00Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material
    • H01C8/02Coherers or like imperfect resistors for detecting electromagnetic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR477D 1900-01-22 1902-04-28 Telephone receiver for dispatches sent by means of electromagnetic oscillations by signals of the Morse alphabet Expired FR477E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR296354T 1900-01-22
FR477T 1902-04-28

Publications (1)

Publication Number Publication Date
FR477E true FR477E (en) 1903-01-17

Family

ID=1342116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR477D Expired FR477E (en) 1900-01-22 1902-04-28 Telephone receiver for dispatches sent by means of electromagnetic oscillations by signals of the Morse alphabet

Country Status (1)

Country Link
FR (1) FR477E (en)

Similar Documents

Publication Publication Date Title
FR477E (en) Telephone receiver for dispatches sent by means of electromagnetic oscillations by signals of the Morse alphabet
CH30579A (en) Device for the preparation of carbonated drinks
GB190525507A (en) Improvements in and relating to Torpedoes
CH23014A (en) Agrafe et oellet avec dispositif de fixage distinct pour chacun d'eux
CH28622A (en) Device for establishing foundations
CH24417A (en) Adjustment device for stoves
CH14447A (en) Racket adjustment device
FR329231A (en) Elastic supports for railways (coÜard system)
FR428141A (en) Device for the transmission of written communications over telephone lines
Renié Trio [pour] harpe (ou piano) violon et violoncelle.
FR330697A (en) Propulsion device for erostatic vessels
FR334289A (en) Method of receiving radio waves using electrolytic elements
FR319089A (en) Attachment system for suspenders and for all similar uses
CA85523A (en) Telegraph sounder
FR322792A (en) Hoist system operated by means of atmospheric air at minimum pressure
FR336957A (en) Coupling device for telegraphic or multiple telephone correspondence
FR321250A (en) Device for actuating tools by means of electricity
FR325561A (en) Tubular compensating balance for watchmaking
FR323985A (en) Shaker device for induction coils
FR320386A (en) Elastic ligature for grafting the vine, etc.
FR422341A (en) Device suitable for maintaining the balance of vessels or other unstable bodies, by a gyroscopic action
CH25829A (en) Installation for maneuvering points, railway signals, etc.
FR336006A (en) Advanced system for attaching the helmet to the diving suit
FR6997E (en) Device for eliminating or reducing the influence of disturbing currents on telephone circuits
FR334039A (en) Mode of advertising by ticket books, for trams, boats, etc.