JPS57172579A - Magnetic recording and reproducing device - Google Patents

Magnetic recording and reproducing device

Info

Publication number
JPS57172579A
JPS57172579A JP56058269A JP5826981A JPS57172579A JP S57172579 A JPS57172579 A JP S57172579A JP 56058269 A JP56058269 A JP 56058269A JP 5826981 A JP5826981 A JP 5826981A JP S57172579 A JPS57172579 A JP S57172579A
Authority
JP
Japan
Prior art keywords
detecting means
counting means
output
rotation
comparator
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
JP56058269A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0245272B2 (ref
Inventor
Kouichi Minami
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56058269A priority Critical patent/JPS57172579A/ja
Publication of JPS57172579A publication Critical patent/JPS57172579A/ja
Publication of JPH0245272B2 publication Critical patent/JPH0245272B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • G11B27/17—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer using electrical sensing means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
JP56058269A 1981-04-16 1981-04-16 Magnetic recording and reproducing device Granted JPS57172579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56058269A JPS57172579A (en) 1981-04-16 1981-04-16 Magnetic recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058269A JPS57172579A (en) 1981-04-16 1981-04-16 Magnetic recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS57172579A true JPS57172579A (en) 1982-10-23
JPH0245272B2 JPH0245272B2 (ref) 1990-10-08

Family

ID=13079451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058269A Granted JPS57172579A (en) 1981-04-16 1981-04-16 Magnetic recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS57172579A (ref)

Also Published As

Publication number Publication date
JPH0245272B2 (ref) 1990-10-08

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