JPS551677A - Tape speed display circuit - Google Patents
Tape speed display circuitInfo
- Publication number
- JPS551677A JPS551677A JP7576878A JP7576878A JPS551677A JP S551677 A JPS551677 A JP S551677A JP 7576878 A JP7576878 A JP 7576878A JP 7576878 A JP7576878 A JP 7576878A JP S551677 A JPS551677 A JP S551677A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- speed
- frequency
- frequency division
- tape speed
- 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
Links
Abstract
PURPOSE: To enable to correctly display the shift of tape speed, by comparing the signal obtained through frequency division of reference frequency signal and the signal obtained through the frequency division of the signal detected from the rotating body related to the tape speed, at the phase comparator.
CONSTITUTION: The signal obtained through the frequency division of the signal from the reference signal generator 1 with the first and second frequency dividers 2, 3, and the signal obtained through the frequency division of the signal detected at the revolution detector 4 with the frequency divider 5, are fed to the phase comparison circuit 7 to detect the special state of each signal shown when the rotating speed of the revolving body is shifted from the standard speed. The shift of the tape speed can easily be displayed digitally since the gate circuit 13 is set with the signal detected and count is made by applying the reference frequency signal is fed to the counter 14. Further, the display for advancement or delay is made by the signal different depending on the advancement or delay of the revolving speed of the rotating body from the specified speed at the phase identifying circuit 16.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53075768A JPS5920182B2 (en) | 1978-06-19 | 1978-06-19 | Tape speed display circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53075768A JPS5920182B2 (en) | 1978-06-19 | 1978-06-19 | Tape speed display circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS551677A true JPS551677A (en) | 1980-01-08 |
JPS5920182B2 JPS5920182B2 (en) | 1984-05-11 |
Family
ID=13585708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53075768A Expired JPS5920182B2 (en) | 1978-06-19 | 1978-06-19 | Tape speed display circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5920182B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644436A (en) * | 1982-05-19 | 1987-02-17 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus for determining the type and remaining capacity of a tape |
-
1978
- 1978-06-19 JP JP53075768A patent/JPS5920182B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644436A (en) * | 1982-05-19 | 1987-02-17 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus for determining the type and remaining capacity of a tape |
Also Published As
Publication number | Publication date |
---|---|
JPS5920182B2 (en) | 1984-05-11 |
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