JPS51117609A - Tape quantity detecting unit - Google Patents

Tape quantity detecting unit

Info

Publication number
JPS51117609A
JPS51117609A JP50043071A JP4307175A JPS51117609A JP S51117609 A JPS51117609 A JP S51117609A JP 50043071 A JP50043071 A JP 50043071A JP 4307175 A JP4307175 A JP 4307175A JP S51117609 A JPS51117609 A JP S51117609A
Authority
JP
Japan
Prior art keywords
detecting unit
quantity detecting
tape quantity
tape
wow
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
JP50043071A
Other languages
Japanese (ja)
Other versions
JPS586224B2 (en
Inventor
Kenkichi Umeda
Hiroyuki Yamauchi
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 JP50043071A priority Critical patent/JPS586224B2/en
Publication of JPS51117609A publication Critical patent/JPS51117609A/en
Publication of JPS586224B2 publication Critical patent/JPS586224B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

PURPOSE: To provide a high pass filter having secondary transmission function, through which passes a frequency signal, obtained by detecting the reel's rotation cycle and modulated after level conversion, thereby avoiding wow and flutter influence.
COPYRIGHT: (C)1976,JPO&Japio
JP50043071A 1975-04-09 1975-04-09 Tape replacement cover Expired JPS586224B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50043071A JPS586224B2 (en) 1975-04-09 1975-04-09 Tape replacement cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50043071A JPS586224B2 (en) 1975-04-09 1975-04-09 Tape replacement cover

Publications (2)

Publication Number Publication Date
JPS51117609A true JPS51117609A (en) 1976-10-15
JPS586224B2 JPS586224B2 (en) 1983-02-03

Family

ID=12653614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50043071A Expired JPS586224B2 (en) 1975-04-09 1975-04-09 Tape replacement cover

Country Status (1)

Country Link
JP (1) JPS586224B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5915916U (en) * 1982-07-21 1984-01-31 グラフテック株式会社 recorder

Also Published As

Publication number Publication date
JPS586224B2 (en) 1983-02-03

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