FR790917A - Système de transmission à fréquences porteuses multiples comportant des bouchons d'écho - Google Patents

Système de transmission à fréquences porteuses multiples comportant des bouchons d'écho

Info

Publication number
FR790917A
FR790917A FR790917DA FR790917A FR 790917 A FR790917 A FR 790917A FR 790917D A FR790917D A FR 790917DA FR 790917 A FR790917 A FR 790917A
Authority
FR
France
Prior art keywords
plugs
transmission system
carrier frequency
frequency transmission
system incorporating
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR790917A publication Critical patent/FR790917A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D9/00—Counting coins; Handling of coins not provided for in the other groups of this subclass
    • G07D9/04—Hand- or motor-driven devices for counting coins
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
FR790917D 1934-06-18 1935-06-05 Système de transmission à fréquences porteuses multiples comportant des bouchons d'écho Expired FR790917A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE458419X 1934-06-18

Publications (1)

Publication Number Publication Date
FR790917A true FR790917A (fr) 1935-11-29

Family

ID=6539437

Family Applications (2)

Application Number Title Priority Date Filing Date
FR458419D Expired FR458419A (fr) 1912-04-18 1913-04-12 Perfectionnements aux machines à compter les pièces de monnaie, jetons, etc.
FR790917D Expired FR790917A (fr) 1934-06-18 1935-06-05 Système de transmission à fréquences porteuses multiples comportant des bouchons d'écho

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR458419D Expired FR458419A (fr) 1912-04-18 1913-04-12 Perfectionnements aux machines à compter les pièces de monnaie, jetons, etc.

Country Status (2)

Country Link
FR (2) FR458419A (fr)
GB (1) GB458419A (fr)

Also Published As

Publication number Publication date
GB458419A (en) 1936-12-18
FR458419A (fr) 1913-10-10

Similar Documents

Publication Publication Date Title
FR786404A (fr) Système de magnétron
FR791198A (fr) Système de transmission par courants porteurs
FR790917A (fr) Système de transmission à fréquences porteuses multiples comportant des bouchons d'écho
FR44331E (fr) Système de transmission
FR813383A (fr) Système de transmission par câble, à fréquences porteuses multiples
FR823502A (fr) Système de transmission comportant des étouffeurs d'échos
FR795108A (fr) Système de transmission à distance particulièrement applicable à la télégraphie
FR819636A (fr) Système de transmission comportant des étouffeurs d'échos
FR790115A (fr) Système de transmission à courants porteurs
FR842226A (fr) Système de transmission à ondes porteuses multiplex
CA343997A (fr) Systeme de transmission de signaux
CA342507A (fr) Systeme de transmission de signaux
CA338573A (fr) Systeme de transmission de signaux
FR778227A (fr) Système de changement de vitesses
FR802881A (fr) Système de transmission à haute fréquence
FR828306A (fr) Système de transmission électriques pour bateaux
CA344741A (fr) Systeme de graissage
FR45226E (fr) Système de classeur pour disques
CA343305A (fr) Systeme de transmission des sons
CA343612A (fr) Systeme a determiner les frequences
CA346057A (fr) Dispositif a transmettre les vibrations
CA340528A (fr) Instrument pour la transmission electrique
CA362549A (fr) Systeme de transmission de signaux
FR818739A (fr) Système de transmission d'ondes porteuses électriques
CA342508A (fr) Systeme de transmission d'ondes