JPS57162171A - Magnetic bubble memory chip - Google Patents

Magnetic bubble memory chip

Info

Publication number
JPS57162171A
JPS57162171A JP4385981A JP4385981A JPS57162171A JP S57162171 A JPS57162171 A JP S57162171A JP 4385981 A JP4385981 A JP 4385981A JP 4385981 A JP4385981 A JP 4385981A JP S57162171 A JPS57162171 A JP S57162171A
Authority
JP
Japan
Prior art keywords
double
period pattern
length period
minor loop
bit
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.)
Granted
Application number
JP4385981A
Other languages
Japanese (ja)
Other versions
JPS611830B2 (en
Inventor
Minoru Hiroshima
Kozo Hara
Makoto Suzuki
Masatoshi Takeshita
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4385981A priority Critical patent/JPS57162171A/en
Publication of JPS57162171A publication Critical patent/JPS57162171A/en
Publication of JPS611830B2 publication Critical patent/JPS611830B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0816—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To input/output 1 bit information by 1 bit transfer and to improve the data transfer rate by constituting an I/O track corresponding to a minor loop by a 4 double-length period pattern. CONSTITUTION:An I/O track such as a replicate 6 and a swap gate 7 corresponding to a minor loop 1 with overlapped construction is constituted by a 4 double-length period pattern 10 and each minor loop 1 is bonded by the 4 double- length period pattern 10 of 1 bit per minor loop. The constitution makes it possible to input/output 1 bit information by 1 bit transfer, increasing the data transfer rate 4 times to the 1 double-length period pattern and twice to the 2 double-length period pattern.
JP4385981A 1981-03-27 1981-03-27 Magnetic bubble memory chip Granted JPS57162171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4385981A JPS57162171A (en) 1981-03-27 1981-03-27 Magnetic bubble memory chip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4385981A JPS57162171A (en) 1981-03-27 1981-03-27 Magnetic bubble memory chip

Publications (2)

Publication Number Publication Date
JPS57162171A true JPS57162171A (en) 1982-10-05
JPS611830B2 JPS611830B2 (en) 1986-01-20

Family

ID=12675421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4385981A Granted JPS57162171A (en) 1981-03-27 1981-03-27 Magnetic bubble memory chip

Country Status (1)

Country Link
JP (1) JPS57162171A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0392025U (en) * 1989-10-20 1991-09-19
JPH03124563U (en) * 1990-03-30 1991-12-17

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580878A (en) * 1978-12-08 1980-06-18 Fujitsu Ltd Magnetic bubble memory device
JPS5616987A (en) * 1979-07-17 1981-02-18 Fujitsu Ltd Magnetic bubble memory unit
JPS5619579A (en) * 1979-07-17 1981-02-24 Fujitsu Ltd Exchange circuit of bubble magnetic domain

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580878A (en) * 1978-12-08 1980-06-18 Fujitsu Ltd Magnetic bubble memory device
JPS5616987A (en) * 1979-07-17 1981-02-18 Fujitsu Ltd Magnetic bubble memory unit
JPS5619579A (en) * 1979-07-17 1981-02-24 Fujitsu Ltd Exchange circuit of bubble magnetic domain

Also Published As

Publication number Publication date
JPS611830B2 (en) 1986-01-20

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