JPS57198529A - Characteristic measuring device for magnetic tape and head - Google Patents

Characteristic measuring device for magnetic tape and head

Info

Publication number
JPS57198529A
JPS57198529A JP8076281A JP8076281A JPS57198529A JP S57198529 A JPS57198529 A JP S57198529A JP 8076281 A JP8076281 A JP 8076281A JP 8076281 A JP8076281 A JP 8076281A JP S57198529 A JPS57198529 A JP S57198529A
Authority
JP
Japan
Prior art keywords
cylinder
tape
head
magnetic tape
measuring device
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.)
Pending
Application number
JP8076281A
Other languages
Japanese (ja)
Inventor
Kuniaki Miura
Katsuo Konishi
Hideo Zama
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 JP8076281A priority Critical patent/JPS57198529A/en
Publication of JPS57198529A publication Critical patent/JPS57198529A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To measure the characteristics of a tape and a head, by winding and holding a test tape on a rotary cylinder with ring shaped groove on the outer circumference and rotating the rotary cylinder through the contact of a magnetic head for test on the tape. CONSTITUTION:A ring shaped groove 2 is formed on the outer circumference of a cylinder, a magnetic tape with a prescribed length is wound on the cylinder 1, and the both ends are taken inside of the cylinder 1 from a slit 3 and fixed with a holder 4. The position of recording, reproduction and erase heads 6, 7, and 8 is adjusted and they are contacted externally from a magnetic tape so that they are located at the center of broadwise direction of the groove 2. In this state, a motor 5 is rotated, the rotating speed of the cylinder 1 is kept to a specified value, and recording, reproduction and erase signals are applied to the heads 6, 7 and 8, allowing to measure the characteristics.
JP8076281A 1981-05-29 1981-05-29 Characteristic measuring device for magnetic tape and head Pending JPS57198529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8076281A JPS57198529A (en) 1981-05-29 1981-05-29 Characteristic measuring device for magnetic tape and head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8076281A JPS57198529A (en) 1981-05-29 1981-05-29 Characteristic measuring device for magnetic tape and head

Publications (1)

Publication Number Publication Date
JPS57198529A true JPS57198529A (en) 1982-12-06

Family

ID=13727425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8076281A Pending JPS57198529A (en) 1981-05-29 1981-05-29 Characteristic measuring device for magnetic tape and head

Country Status (1)

Country Link
JP (1) JPS57198529A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62106309U (en) * 1985-12-20 1987-07-07
JPS63112827A (en) * 1986-10-28 1988-05-17 Fuji Photo Film Co Ltd Inspecting method for magnetic sheet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629833A (en) * 1979-08-13 1981-03-25 Hitachi Ltd Measuring unit of magnetic head characteristics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629833A (en) * 1979-08-13 1981-03-25 Hitachi Ltd Measuring unit of magnetic head characteristics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62106309U (en) * 1985-12-20 1987-07-07
JPS63112827A (en) * 1986-10-28 1988-05-17 Fuji Photo Film Co Ltd Inspecting method for magnetic sheet

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