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.)
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 LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP56111451ApriorityCriticalpatent/JPS5812157A/ja
Publication of JPS5812157ApublicationCriticalpatent/JPS5812157A/ja
Publication of JPS634255B2publicationCriticalpatent/JPS634255B2/ja
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
G11B15/46—Controlling, regulating, or indicating speed
G11B15/54—Controlling, regulating, or indicating speed by stroboscope; by tachometer
Landscapes
Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs
(AREA)