JPS5218305A - Tape quantity detector - Google Patents

Tape quantity detector

Info

Publication number
JPS5218305A
JPS5218305A JP9445275A JP9445275A JPS5218305A JP S5218305 A JPS5218305 A JP S5218305A JP 9445275 A JP9445275 A JP 9445275A JP 9445275 A JP9445275 A JP 9445275A JP S5218305 A JPS5218305 A JP S5218305A
Authority
JP
Japan
Prior art keywords
quantity detector
tape quantity
tape
signals
regard
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
JP9445275A
Other languages
Japanese (ja)
Other versions
JPS5811709B2 (en
Inventor
Hiroyuki Yamauchi
Kenkichi Umeda
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 JP9445275A priority Critical patent/JPS5811709B2/en
Publication of JPS5218305A publication Critical patent/JPS5218305A/en
Publication of JPS5811709B2 publication Critical patent/JPS5811709B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: Detect reel tape balance quantity electrically without regard to tape thickness or operating conditions by detecting revolutions of feed and rewind reels and obtaining the total of output signals of both and the ratio with either of these signals.
COPYRIGHT: (C)1977,JPO&Japio
JP9445275A 1975-08-01 1975-08-01 Tape replacement cover Expired JPS5811709B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9445275A JPS5811709B2 (en) 1975-08-01 1975-08-01 Tape replacement cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9445275A JPS5811709B2 (en) 1975-08-01 1975-08-01 Tape replacement cover

Publications (2)

Publication Number Publication Date
JPS5218305A true JPS5218305A (en) 1977-02-10
JPS5811709B2 JPS5811709B2 (en) 1983-03-04

Family

ID=14110646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9445275A Expired JPS5811709B2 (en) 1975-08-01 1975-08-01 Tape replacement cover

Country Status (1)

Country Link
JP (1) JPS5811709B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150811A (en) * 1982-03-03 1983-09-07 Nippon Precision Saakitsutsu Kk Tape measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150811A (en) * 1982-03-03 1983-09-07 Nippon Precision Saakitsutsu Kk Tape measuring device
JPH0226314B2 (en) * 1982-03-03 1990-06-08 Nippon Pureshijon Saakitsutsu Kk

Also Published As

Publication number Publication date
JPS5811709B2 (en) 1983-03-04

Similar Documents

Publication Publication Date Title
JPS539104A (en) Cassette tape running speed detector
JPS5235604A (en) Tape feeding device free from iregular winding
JPS5218305A (en) Tape quantity detector
JPS51117610A (en) Tape quantity indication unit
JPS5240118A (en) Alarm system
JPS5217006A (en) Tape tension control unit
JPS5235607A (en) Tape feeding device free from irregular winding
JPS5221813A (en) Cassette tape recording reproduction equipment
JPS53119014A (en) Tape quantity detector for tape recorder
JPS54145118A (en) Winding quantity measuring system of magnetic tape
JPS5241512A (en) Tape quantity detector
JPS527619A (en) Magnetic tape record playback system
JPS5264958A (en) Tape position detecting system
JPS51117611A (en) Tape thickness detecting unit
JPS52101020A (en) Tape running length indicating system
JPS5371823A (en) Tape final end announcing device of tape recorders
JPS5212817A (en) Tape balance indicator
JPS52107810A (en) End part detecting unit by means of the signal recorded on tape
JPS5220091A (en) Solid electrolyte oxygen detecting device
JPS5346711A (en) Counter for cassette
JPS51126118A (en) Tape amount detector in tape driving device
JPS51117608A (en) Tape quantity detecting unit
JPS51118996A (en) Material detector
JPS5210720A (en) Tape residue notification device
JPS5428115A (en) Magnetic tape recorder-reproducer