JPH0547902B2 - - Google Patents

Info

Publication number
JPH0547902B2
JPH0547902B2 JP57145983A JP14598382A JPH0547902B2 JP H0547902 B2 JPH0547902 B2 JP H0547902B2 JP 57145983 A JP57145983 A JP 57145983A JP 14598382 A JP14598382 A JP 14598382A JP H0547902 B2 JPH0547902 B2 JP H0547902B2
Authority
JP
Japan
Prior art keywords
signal
circuit
frequency
speed
mode
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 - Lifetime
Application number
JP57145983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5935152A (ja
Inventor
Hiroshi Yoshioka
Shoji Nemoto
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP57145983A priority Critical patent/JPS5935152A/ja
Publication of JPS5935152A publication Critical patent/JPS5935152A/ja
Publication of JPH0547902B2 publication Critical patent/JPH0547902B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
JP57145983A 1982-08-23 1982-08-23 記録媒体速度検出装置 Granted JPS5935152A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57145983A JPS5935152A (ja) 1982-08-23 1982-08-23 記録媒体速度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57145983A JPS5935152A (ja) 1982-08-23 1982-08-23 記録媒体速度検出装置

Publications (2)

Publication Number Publication Date
JPS5935152A JPS5935152A (ja) 1984-02-25
JPH0547902B2 true JPH0547902B2 (en]) 1993-07-20

Family

ID=15397471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57145983A Granted JPS5935152A (ja) 1982-08-23 1982-08-23 記録媒体速度検出装置

Country Status (1)

Country Link
JP (1) JPS5935152A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60151858A (ja) * 1984-01-19 1985-08-09 Toshiba Corp 記録速度自動判別装置
JPH0654560B2 (ja) * 1984-04-13 1994-07-20 松下電器産業株式会社 記録モード判別方法
JPS615684A (ja) * 1984-06-20 1986-01-11 Sanyo Electric Co Ltd トラツキングエラ−信号波形整形回路
JPS6150238A (ja) * 1984-08-18 1986-03-12 Pioneer Electronic Corp 磁気記録再生装置の記録モ−ド判別方式

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898860A (ja) * 1981-12-09 1983-06-11 Hitachi Ltd 磁気記録再生装置
JPS5919260A (ja) * 1982-07-20 1984-01-31 Matsushita Electric Ind Co Ltd 記録モ−ド判別方式

Also Published As

Publication number Publication date
JPS5935152A (ja) 1984-02-25

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