JPS5571365A - Access unit of video signal reproducing device - Google Patents
Access unit of video signal reproducing deviceInfo
- Publication number
- JPS5571365A JPS5571365A JP14514578A JP14514578A JPS5571365A JP S5571365 A JPS5571365 A JP S5571365A JP 14514578 A JP14514578 A JP 14514578A JP 14514578 A JP14514578 A JP 14514578A JP S5571365 A JPS5571365 A JP S5571365A
- Authority
- JP
- Japan
- Prior art keywords
- code
- circuit
- line number
- video signal
- access unit
- 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
Links
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
PURPOSE: To obtain position information, by which relative positions of a pickup means and a recording medium are automatically changed accurately and easily, and make it possible to display a playing time on a basis of this information.
CONSTITUTION: Line number code 21 is superposed with digital signals between proper horizontal synchronizing pulses HP in a vettical flyback time. This line number code is extracted by line signl extracting circuit 31, and the code number is displayed on display part 33 and is applied to comparator circuit 34. Comparator 34 is provided with code input end 35 from the external, and code is set previously; and if this set code agrees with the line number code from circuit 31, a coincidence pulse is applied to access circuit 37 to execute information processings for device control.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14514578A JPS5571365A (en) | 1978-11-24 | 1978-11-24 | Access unit of video signal reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14514578A JPS5571365A (en) | 1978-11-24 | 1978-11-24 | Access unit of video signal reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5571365A true JPS5571365A (en) | 1980-05-29 |
Family
ID=15378450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14514578A Pending JPS5571365A (en) | 1978-11-24 | 1978-11-24 | Access unit of video signal reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5571365A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5137602A (en) * | 1974-09-26 | 1976-03-30 | Teac Corp | |
JPS53111228A (en) * | 1977-01-04 | 1978-09-28 | Thomson Brandt | Optical reader |
-
1978
- 1978-11-24 JP JP14514578A patent/JPS5571365A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5137602A (en) * | 1974-09-26 | 1976-03-30 | Teac Corp | |
JPS53111228A (en) * | 1977-01-04 | 1978-09-28 | Thomson Brandt | Optical reader |
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