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Inventor: Abe; Fumiyoshi
Address: Zama, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4528603 |
Drum servo control with reduced head phase error during editing |
July 9, 1985 |
| A head drum servo control arrangement is provided in a video tape recording and reproducing apparatus, for example, of the helical scan type, for reducing head phase error at the cut-in point on a magnetic tape during an electronic editing operation. A variable delay circuit imparts an |
| 4459620 |
Color video signal reproducing apparatus |
July 10, 1984 |
| A color video signal reproducing apparatus, such as a VTR, is capable of being operated in a normal speed reproduction mode, as well as in non-normal modes such as stop motion, slow motion, and fast motion. A rotary pick-up head on the apparatus is mounted, e.g., on a bi-morph leaf, |
| 4418303 |
DC Motor control circuit |
November 29, 1983 |
| A DC motor control circuit for controlling the speed and direction of rotation including a plurality of linear amplifiers which are, respectively, connected to each of the stator windings of the DC motor and a pulse generator for generating rotational pulse trains which represent the |
| 4358720 |
DC Motor driving circuit |
November 9, 1982 |
| A brush-less dc motor driving circuit is disclosed, wherein a variable constant current source is connected in series with motor windings, and motor torque proportional to motor currents is adjusted by controlling current value of said variable constant current source. Further, a supply |
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