FR821032A - Perfectionnements aux machines tabulatrices - Google Patents

Perfectionnements aux machines tabulatrices

Info

Publication number
FR821032A
FR821032A FR821032DA FR821032A FR 821032 A FR821032 A FR 821032A FR 821032D A FR821032D A FR 821032DA FR 821032 A FR821032 A FR 821032A
Authority
FR
France
Prior art keywords
tabulating machines
tabulating
machines
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 FR821032A publication Critical patent/FR821032A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
FR821032D 1935-10-11 1936-10-07 Perfectionnements aux machines tabulatrices Expired FR821032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44554A US2150227A (en) 1935-10-11 1935-10-11 Tabulating machine

Publications (1)

Publication Number Publication Date
FR821032A true FR821032A (fr) 1937-11-25

Family

ID=21933015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821032D Expired FR821032A (fr) 1935-10-11 1936-10-07 Perfectionnements aux machines tabulatrices

Country Status (4)

Country Link
US (1) US2150227A (fr)
DE (1) DE661465C (fr)
FR (1) FR821032A (fr)
GB (1) GB483021A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608346A (en) * 1946-06-14 1952-08-26 Friden Calculating Machine Co Ten key differential entry mechanism
US2480744A (en) * 1948-02-19 1949-08-30 Ibm Accumulator of the step by step operated type
US2770416A (en) * 1951-04-13 1956-11-13 Friden Calculating Machine Co Calculating machine
US2647600A (en) * 1951-10-13 1953-08-04 Underwood Corp Overload release device
US3236348A (en) * 1964-05-22 1966-02-22 Ibm Clutch with cushion engagement
US3581856A (en) * 1969-05-06 1971-06-01 Lambert W Fleckenstein Transverse engaging, pivoted pawl clutch

Also Published As

Publication number Publication date
GB483021A (en) 1938-04-11
DE661465C (de) 1938-06-22
US2150227A (en) 1939-03-14

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