JPS6459685A - Disk for measuring jitter - Google Patents

Disk for measuring jitter

Info

Publication number
JPS6459685A
JPS6459685A JP62216903A JP21690387A JPS6459685A JP S6459685 A JPS6459685 A JP S6459685A JP 62216903 A JP62216903 A JP 62216903A JP 21690387 A JP21690387 A JP 21690387A JP S6459685 A JPS6459685 A JP S6459685A
Authority
JP
Japan
Prior art keywords
disk
mark
reflection factor
width
jitter
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
JP62216903A
Other languages
English (en)
Inventor
Toshiyuki Shimada
Noboru Kikuchi
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 JP62216903A priority Critical patent/JPS6459685A/ja
Publication of JPS6459685A publication Critical patent/JPS6459685A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP62216903A 1987-08-31 1987-08-31 Disk for measuring jitter Pending JPS6459685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62216903A JPS6459685A (en) 1987-08-31 1987-08-31 Disk for measuring jitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62216903A JPS6459685A (en) 1987-08-31 1987-08-31 Disk for measuring jitter

Publications (1)

Publication Number Publication Date
JPS6459685A true JPS6459685A (en) 1989-03-07

Family

ID=16695719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62216903A Pending JPS6459685A (en) 1987-08-31 1987-08-31 Disk for measuring jitter

Country Status (1)

Country Link
JP (1) JPS6459685A (ja)

Similar Documents

Publication Publication Date Title
JPS5651045A (en) Detector for part between data of record player
JPS6459685A (en) Disk for measuring jitter
CA2061910A1 (en) Method for measuring the flow of fluids
JPS5365777A (en) Surface defect detector
JPH02206714A (ja) 近接センサ
KR0133875Y1 (ko) 릴디스크의 회전속도 감지장치
JPS54102150A (en) Position detecting device
JPS6432105A (en) Angle deviation measuring instrument for flat plate member
JPS57172550A (en) Optical disk
JPS5647707A (en) Detector for angle of reflector tracking sun
JPS57179648A (en) Reflectivity measuring apparatus
US4755050A (en) Standard for monitoring the calibration of an optical line width measuring machine
JPS6432152A (en) Moisture meter
ATE187558T1 (de) Vorrichtung zur optischen messung der drehgeschwindigkeit eines objekts
JPS5257843A (en) Measuring device for thickness of film
SU1555618A1 (ru) Угломер
JPS5357087A (en) Flaw detecting system
JPS5263379A (en) Measurement of space filter speeds using coherent light
JPS5774846A (en) Information storing medium
SU1714344A1 (ru) Способ определени толщины издели
JPS57163851A (en) Optical fiber
JPS56114705A (en) Gap measuring device
JPS56138205A (en) Displacement measuring equipment
JPS57150101A (en) Detecting method for eccentricity of record disc
JPS53130002A (en) Tone arm revolution detector