JPS54127618A - Still picture transmission device - Google Patents
Still picture transmission deviceInfo
- Publication number
- JPS54127618A JPS54127618A JP3480678A JP3480678A JPS54127618A JP S54127618 A JPS54127618 A JP S54127618A JP 3480678 A JP3480678 A JP 3480678A JP 3480678 A JP3480678 A JP 3480678A JP S54127618 A JPS54127618 A JP S54127618A
- Authority
- JP
- Japan
- Prior art keywords
- picture
- field
- writing
- memory
- counter
- 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
Abstract
PURPOSE: To prevent occurrence of the flicker at the time of picture renewal by carrying out the writing to the memory to the receiver side during the horizontal blanking period and reading twice the picture of the same field to reproduce the picture in the form of the 1-frame picture.
CONSTITUTION: The picture of the 1st field and the picture of the 2nd field are written into addresses 1∼n and n + 1∼2n of 1-frame memory 7 during the horizontal blanking period via writing address counter 16 which counts the clocks synchronized with the velocity of the still picture transmission. Counter 11 and 12 generate the reading addresses of 1∼2n and 1∼n in synchronization with the displayed synchronous signals. Comparator 17 identifies in which field the writing action is carried out in the 1st or 2nd field, and the output selects the output of counter 11 or 12. Thus, the field of the side where no writing action is given is read out from memory 7.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3480678A JPS54127618A (en) | 1978-03-28 | 1978-03-28 | Still picture transmission device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3480678A JPS54127618A (en) | 1978-03-28 | 1978-03-28 | Still picture transmission device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54127618A true JPS54127618A (en) | 1979-10-03 |
Family
ID=12424456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3480678A Pending JPS54127618A (en) | 1978-03-28 | 1978-03-28 | Still picture transmission device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54127618A (en) |
-
1978
- 1978-03-28 JP JP3480678A patent/JPS54127618A/en active Pending
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