FR830761A - Perfectionnements aux dispositifs de communication ou de transmission - Google Patents

Perfectionnements aux dispositifs de communication ou de transmission

Info

Publication number
FR830761A
FR830761A FR830761DA FR830761A FR 830761 A FR830761 A FR 830761A FR 830761D A FR830761D A FR 830761DA FR 830761 A FR830761 A FR 830761A
Authority
FR
France
Prior art keywords
communication
transmission devices
transmission
devices
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR830761A publication Critical patent/FR830761A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/02—Methods or arrangements for marking the record carrier in digital fashion by punching

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Conveying Record Carriers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Credit Cards Or The Like (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR830761D 1936-09-23 1937-09-15 Perfectionnements aux dispositifs de communication ou de transmission Expired FR830761A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US102112A US2098305A (en) 1936-09-23 1936-09-23 Communication system

Publications (1)

Publication Number Publication Date
FR830761A true FR830761A (fr) 1938-08-09

Family

ID=22288182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830761D Expired FR830761A (fr) 1936-09-23 1937-09-15 Perfectionnements aux dispositifs de communication ou de transmission

Country Status (4)

Country Link
US (1) US2098305A (fr)
DE (1) DE728553C (fr)
FR (1) FR830761A (fr)
GB (1) GB502692A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505069A (en) * 1948-02-19 1950-04-25 Henry C Savino Automatic telephone transmitter with photocells
DE975374C (de) * 1948-11-23 1961-11-16 Ibm Deutschland Dupliziereinrichtung zum spaltenweisen Lochen von Mehrdeckkarten
US2746549A (en) * 1951-07-20 1956-05-22 Ibm Selective film control for card punch
DE1189293B (de) * 1956-08-24 1965-03-18 Dr Gerhard Dirks Schrittweise bewegter magnetischer Bandspeicher
DE1114658B (de) * 1958-07-18 1961-10-05 Remington Rand G M B H Einrichtung zur optischen Abtastung von Aufzeichnungstraegern
US3171021A (en) * 1961-08-31 1965-02-23 Jonker Business Machines Inc Printing of superimposable card systems
US4322614A (en) * 1980-01-04 1982-03-30 Consolidated Foods Corporation Ticket reader

Also Published As

Publication number Publication date
DE728553C (de) 1942-11-28
GB502692A (en) 1939-03-22
US2098305A (en) 1937-11-09

Similar Documents

Publication Publication Date Title
FR827344A (fr) Perfectionnements aux dispositifs vibrateurs.
FR777114A (fr) Perfectionnements aux dispositifs de traction
FR830761A (fr) Perfectionnements aux dispositifs de communication ou de transmission
FR734220A (fr) Perfectionnements aux dispositifs de suspension
FR829278A (fr) Perfectionnements aux appareils transmetteurs de télévision
FR758132A (fr) Perfectionnements aux dispositifs de transmission
FR816345A (fr) Perfectionnements aux émetteurs dirigés pour communications secrètes
FR832076A (fr) Perfectionnements aux dispositifs de transmission
FR772191A (fr) Perfectionnements aux dispositifs emplieurs de feuilles
FR836881A (fr) Perfectionnements aux dispositifs de publicité ou de réclame
FR810814A (fr) Perfectionnements apportés aux dispositifs de suspension
FR780952A (fr) Perfectionnements apportés aux dispositifs de transformation électroacoustiques
FR782720A (fr) Perfectionnements aux dispositifs de raccordement
FR814483A (fr) Dynamomètre de transmission ou torsiomètre
FR757587A (fr) Perfectionnements aux dispositifs de graissage
FR797135A (fr) Perfectionnements apportés aux dispositifs de sauvetage
FR782381A (fr) Perfectionnements aux dispositifs de télémesures
FR833485A (fr) Chaîne de transmission
FR799077A (fr) Perfectionnements aux dispositifs de sédimentation
FR807982A (fr) Perfectionnements aux organes de transmission
FR781789A (fr) Perfectionnements aux dispositifs de réception
FR787442A (fr) Perfectionnements aux appareils de transmission hydrauliques
FR794638A (fr) Perfectionnements aux dispositifs de graissage
FR826576A (fr) Perfectionnements aux dispositifs hydrauliques de transmission de mouvement
FR784090A (fr) Perfectionnements aux dispositifs de soutirage