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JPS539104A - Cassette tape running speed detector - Google Patents

Cassette tape running speed detector

Info

Publication number
JPS539104A
JPS539104A JP8330976A JP8330976A JPS539104A JP S539104 A JPS539104 A JP S539104A JP 8330976 A JP8330976 A JP 8330976A JP 8330976 A JP8330976 A JP 8330976A JP S539104 A JPS539104 A JP S539104A
Authority
JP
Japan
Prior art keywords
running speed
tape running
speed detector
cassette tape
revolutions
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
JP8330976A
Other languages
Japanese (ja)
Inventor
Yasuhiro Fukushima
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP8330976A priority Critical patent/JPS539104A/en
Publication of JPS539104A publication Critical patent/JPS539104A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Dc Machiner (AREA)

Abstract

PURPOSE: The revolutions of a roller are detected by changing the quantities of light proportional to the revolutions of a magnetic tape running speed detection roller to electric signals with a light receiving element.
COPYRIGHT: (C)1978,JPO&Japio
JP8330976A 1976-07-13 1976-07-13 Cassette tape running speed detector Pending JPS539104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8330976A JPS539104A (en) 1976-07-13 1976-07-13 Cassette tape running speed detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8330976A JPS539104A (en) 1976-07-13 1976-07-13 Cassette tape running speed detector

Publications (1)

Publication Number Publication Date
JPS539104A true JPS539104A (en) 1978-01-27

Family

ID=13798805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8330976A Pending JPS539104A (en) 1976-07-13 1976-07-13 Cassette tape running speed detector

Country Status (1)

Country Link
JP (1) JPS539104A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451582U (en) * 1978-08-17 1979-04-10
JPS556244A (en) * 1978-06-28 1980-01-17 Keisuke Honda Recorder of fish detector
JPS56160878A (en) * 1980-05-15 1981-12-10 Nippon Kokan Kk <Nkk> High-current density gas shielded down hand welding method
JPS5714771A (en) * 1980-07-01 1982-01-26 Nec Corp Sounding system of sonar
JPS5776413A (en) * 1980-09-03 1982-05-13 Asea Ab Optical fiber pulse converter
JPS57135967U (en) * 1981-02-20 1982-08-25
JPS5822570A (en) * 1981-08-04 1983-02-09 Pioneer Electronic Corp Frequency generator for micromotor
JPS59103274U (en) * 1982-12-27 1984-07-11 シャープ株式会社 Tape speed detection device
JPS6085746U (en) * 1983-11-16 1985-06-13 赤井電機株式会社 Tape recorder reel stand rotation detection device
US5097708A (en) * 1989-09-20 1992-03-24 Nissan Motor Co., Ltd. Ultrasonic rotational speed sensor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556244A (en) * 1978-06-28 1980-01-17 Keisuke Honda Recorder of fish detector
JPS5643739Y2 (en) * 1978-08-17 1981-10-13
JPS5451582U (en) * 1978-08-17 1979-04-10
JPS6149027B2 (en) * 1980-05-15 1986-10-27 Nippon Kokan Kk
JPS56160878A (en) * 1980-05-15 1981-12-10 Nippon Kokan Kk <Nkk> High-current density gas shielded down hand welding method
JPS5714771A (en) * 1980-07-01 1982-01-26 Nec Corp Sounding system of sonar
JPS5776413A (en) * 1980-09-03 1982-05-13 Asea Ab Optical fiber pulse converter
JPS57135967U (en) * 1981-02-20 1982-08-25
JPH032858Y2 (en) * 1981-02-20 1991-01-25
JPS5822570A (en) * 1981-08-04 1983-02-09 Pioneer Electronic Corp Frequency generator for micromotor
JPS59103274U (en) * 1982-12-27 1984-07-11 シャープ株式会社 Tape speed detection device
JPS6085746U (en) * 1983-11-16 1985-06-13 赤井電機株式会社 Tape recorder reel stand rotation detection device
JPH0135310Y2 (en) * 1983-11-16 1989-10-27
US5097708A (en) * 1989-09-20 1992-03-24 Nissan Motor Co., Ltd. Ultrasonic rotational speed sensor

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