IT1027873B - Memoria a dischi perfezionata - Google Patents

Memoria a dischi perfezionata

Info

Publication number
IT1027873B
IT1027873B IT30797/74A IT3079774A IT1027873B IT 1027873 B IT1027873 B IT 1027873B IT 30797/74 A IT30797/74 A IT 30797/74A IT 3079774 A IT3079774 A IT 3079774A IT 1027873 B IT1027873 B IT 1027873B
Authority
IT
Italy
Prior art keywords
perfected
disk memory
disk
memory
perfected disk
Prior art date
Application number
IT30797/74A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1027873B publication Critical patent/IT1027873B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M9/00—Counting of objects in a stack thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Automatic Disk Changers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Transform (AREA)
  • Optical Recording Or Reproduction (AREA)
IT30797/74A 1973-12-26 1974-12-20 Memoria a dischi perfezionata IT1027873B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/428,601 US3936878A (en) 1973-12-26 1973-12-26 Disc interface location

Publications (1)

Publication Number Publication Date
IT1027873B true IT1027873B (it) 1978-12-20

Family

ID=23699616

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30797/74A IT1027873B (it) 1973-12-26 1974-12-20 Memoria a dischi perfezionata

Country Status (7)

Country Link
US (1) US3936878A (it)
JP (1) JPS528689B2 (it)
CA (1) CA1042547A (it)
DE (1) DE2457196A1 (it)
FR (1) FR2256481B1 (it)
GB (1) GB1464648A (it)
IT (1) IT1027873B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051541A (en) * 1975-12-08 1977-09-27 International Business Machines Corporation Access to floppy disk stack
JPS5841164U (ja) * 1981-09-10 1983-03-18 株式会社オリムピック 釣竿
US4598199A (en) * 1983-11-03 1986-07-01 Hewlett-Packard Company Safety device for controlling a light signal generator based on fiber position
US4814589A (en) * 1986-04-18 1989-03-21 Leonard Storch Information transfer and use, particularly with respect to objects such as gambling chips
US5315107A (en) * 1993-04-23 1994-05-24 Wea Manufacturing Inc. Compact disc counter arranged to minimize counting errors having a pair of beams and a pulse counting means
FR2709702B1 (fr) * 1993-09-07 1995-12-08 Helio Corbeil Snc Dispositif de comptage d'articles défilant sur une bande transporteuse et procédé comportant un tel dispositif.
US5698860A (en) * 1994-07-28 1997-12-16 Hewlett-Packard Company Edge position sensor for magnetic tape using light pipes
FR2833102B1 (fr) * 2001-12-03 2004-02-27 Bourgogne Grasset Dispositif de rangement electronique pour jetons de jeu
FR2854972B1 (fr) * 2003-05-12 2005-07-15 Bourgogne Grasset Poste de lecture et/ou d'ecriture pour jetons de jeu electroniques
AU2005203494B2 (en) * 2005-04-07 2012-05-31 Gaming Partners International Method of managing a plurality of electronic microcircuit chip readers and equipments for implementing said method
FR2888372B1 (fr) * 2005-07-08 2007-10-12 Caming Partners Internationale Jeton a puce electronique et son procede de fabrication
US20070026949A1 (en) * 2005-07-28 2007-02-01 Gaming Partners International Equipment for transporting chips and chip carrier structure therefor
CA2553949C (fr) * 2005-11-09 2016-02-16 Pierre Chapet Jeton a insert a puce electronique
PT2165293E (pt) * 2007-05-25 2013-01-24 Gaming Partners Int Ficha com dispositivo electrónico

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994072A (en) * 1959-05-04 1961-07-25 Jr James W Woody Photoelectric control for tape positioning
US3130393A (en) * 1959-05-13 1964-04-21 Sperry Rand Corp Information storage device
NL6603388A (it) * 1965-03-30 1966-10-03
US3435314A (en) * 1966-12-22 1969-03-25 Ibm Electronic high speed device incrementing control circuitry
US3573471A (en) * 1967-01-09 1971-04-06 Harris Intertype Corp Optically encoded disk read out system employing optical fibers
US3539716A (en) * 1968-03-18 1970-11-10 Ampex Method and apparatus for recording and reproducing television or other broad band signals with an altered time base effect
US3585396A (en) * 1969-04-01 1971-06-15 Mohawk Data Sciences Corp Apparatus and method for sensing perforations in a perforated member
JPS5336304B2 (it) * 1971-11-16 1978-10-02

Also Published As

Publication number Publication date
DE2457196A1 (de) 1975-07-10
US3936878A (en) 1976-02-03
FR2256481A1 (it) 1975-07-25
CA1042547A (en) 1978-11-14
JPS528689B2 (it) 1977-03-10
JPS5099108A (it) 1975-08-06
FR2256481B1 (it) 1978-02-24
GB1464648A (en) 1977-02-16

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