JPS5573948A - Tape end detector of cassette tape recorder - Google Patents

Tape end detector of cassette tape recorder

Info

Publication number
JPS5573948A
JPS5573948A JP14722378A JP14722378A JPS5573948A JP S5573948 A JPS5573948 A JP S5573948A JP 14722378 A JP14722378 A JP 14722378A JP 14722378 A JP14722378 A JP 14722378A JP S5573948 A JPS5573948 A JP S5573948A
Authority
JP
Japan
Prior art keywords
tape
photo
light emitting
pins
detecting
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
JP14722378A
Other languages
Japanese (ja)
Inventor
Teruhisa Furukawa
Toshiharu Iida
Hiroshi Takemoto
Takao Fukuhara
Koji Kasai
Masayoshi Sakamoto
Susumu Sekine
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP14722378A priority Critical patent/JPS5573948A/en
Publication of JPS5573948A publication Critical patent/JPS5573948A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To detect a tape and rapidly and definitely by detecting a transparent leader tape part by a light emitting body and photo detector arranged in a reference pin and at its opposite position respectively.
CONSTITUTION: Reference pins 2, inserted into reference holes 12, has incorporated light emitting bodies 21 such as light emitting diodes. At front surfaces of pins 2, light penetration holes 22 are formed and photo detecting cylinders 3, fitted on a chassis body at positions corresponding to pins 2 or on a head pedestal, have contained photo detectors 31 such as photo transistors. Now, the recording or playback of tape 16 progresses and then its leader tape part, when appearing, passes between left pin 2 and photo detecting cylinder 3 first, and consequently light from light emitting body 21 reaches photo detector 31, which sends a signal for direction reversing operation, so taht a reverse playback mode will be in effect. In this way, the end of the tape can be detected rapidly and definitly.
COPYRIGHT: (C)1980,JPO&Japio
JP14722378A 1978-11-30 1978-11-30 Tape end detector of cassette tape recorder Pending JPS5573948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14722378A JPS5573948A (en) 1978-11-30 1978-11-30 Tape end detector of cassette tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14722378A JPS5573948A (en) 1978-11-30 1978-11-30 Tape end detector of cassette tape recorder

Publications (1)

Publication Number Publication Date
JPS5573948A true JPS5573948A (en) 1980-06-04

Family

ID=15425347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14722378A Pending JPS5573948A (en) 1978-11-30 1978-11-30 Tape end detector of cassette tape recorder

Country Status (1)

Country Link
JP (1) JPS5573948A (en)

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