JPS553271A - Rotary head type magnetic picture recorder/reproducer - Google Patents
Rotary head type magnetic picture recorder/reproducerInfo
- Publication number
- JPS553271A JPS553271A JP7604578A JP7604578A JPS553271A JP S553271 A JPS553271 A JP S553271A JP 7604578 A JP7604578 A JP 7604578A JP 7604578 A JP7604578 A JP 7604578A JP S553271 A JPS553271 A JP S553271A
- Authority
- JP
- Japan
- Prior art keywords
- gate
- output
- rotary head
- circuit
- reproduction
- 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 secure reproduction of the stable still pictures through a simple constitution for the helical scan type VTR by giving a fixed duration to the output pulse of the level deciding means.
CONSTITUTION: Motor druve circuit 5 is connected to gate 4 and 7 which switch capstan motor 6 to the low-speed driving in case the normal reproduction state is switched to the still picture reproduction. And detection circuit 14 generates the pulses in accordance with the period when the level of the reproduction output envelope of the rotary head becomes less than the fixed detection level. In addition these circuits, the following units are provided: gate 13 to generate the AND output between of the pulse generated at circuit 14 and the rotary head switching pulse; motor brake circuit 9 which is connected to gate 15 to stop motor 6 having the low-speed driving via the AND output of gate 13; and FF12 to control the detection level which made constant the output pulse duration of gate 13. Thus switch signal (a) is applied to gate 15 for control.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7604578A JPS553271A (en) | 1978-06-22 | 1978-06-22 | Rotary head type magnetic picture recorder/reproducer |
US06/049,116 US4306255A (en) | 1978-06-22 | 1979-06-18 | Magnetic record/playback system of rotating head type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7604578A JPS553271A (en) | 1978-06-22 | 1978-06-22 | Rotary head type magnetic picture recorder/reproducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS553271A true JPS553271A (en) | 1980-01-11 |
JPS6117391B2 JPS6117391B2 (en) | 1986-05-07 |
Family
ID=13593816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7604578A Granted JPS553271A (en) | 1978-06-22 | 1978-06-22 | Rotary head type magnetic picture recorder/reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS553271A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476421A1 (en) * | 1980-02-20 | 1981-08-21 | Sony Corp | APPARATUS FOR REPRODUCING VIDEO SIGNALS RECORDED ON TRACKS PROVIDED OBLIALLY ON A BAND |
JPS57127370A (en) * | 1981-01-29 | 1982-08-07 | Mitsubishi Electric Corp | Reproducer of static picture |
JPS58205941A (en) * | 1982-05-25 | 1983-12-01 | Matsushita Electric Ind Co Ltd | Rotary head type magnetic video recording and reproducing device |
JPS60123181A (en) * | 1983-12-07 | 1985-07-01 | Sony Corp | Track jump detector for video tape recorder |
JPS61191678U (en) * | 1985-05-22 | 1986-11-28 | ||
JPS6298680U (en) * | 1985-12-13 | 1987-06-23 | ||
JPS63232585A (en) * | 1987-03-19 | 1988-09-28 | Mitsubishi Electric Corp | Magnetic video recorder and reproducing device |
JPH03238286A (en) * | 1990-02-16 | 1991-10-24 | Mitsubishi Electric Corp | Device for controlling elevator door |
-
1978
- 1978-06-22 JP JP7604578A patent/JPS553271A/en active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476421A1 (en) * | 1980-02-20 | 1981-08-21 | Sony Corp | APPARATUS FOR REPRODUCING VIDEO SIGNALS RECORDED ON TRACKS PROVIDED OBLIALLY ON A BAND |
JPS57127370A (en) * | 1981-01-29 | 1982-08-07 | Mitsubishi Electric Corp | Reproducer of static picture |
JPS6322672B2 (en) * | 1981-01-29 | 1988-05-12 | Mitsubishi Electric Corp | |
JPS58205941A (en) * | 1982-05-25 | 1983-12-01 | Matsushita Electric Ind Co Ltd | Rotary head type magnetic video recording and reproducing device |
JPS60123181A (en) * | 1983-12-07 | 1985-07-01 | Sony Corp | Track jump detector for video tape recorder |
JPS61191678U (en) * | 1985-05-22 | 1986-11-28 | ||
JPS6298680U (en) * | 1985-12-13 | 1987-06-23 | ||
JPH0313507Y2 (en) * | 1985-12-13 | 1991-03-27 | ||
JPS63232585A (en) * | 1987-03-19 | 1988-09-28 | Mitsubishi Electric Corp | Magnetic video recorder and reproducing device |
JPH03238286A (en) * | 1990-02-16 | 1991-10-24 | Mitsubishi Electric Corp | Device for controlling elevator door |
Also Published As
Publication number | Publication date |
---|---|
JPS6117391B2 (en) | 1986-05-07 |
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