JPS562790A - Still picture display system - Google Patents
Still picture display systemInfo
- Publication number
- JPS562790A JPS562790A JP7956579A JP7956579A JPS562790A JP S562790 A JPS562790 A JP S562790A JP 7956579 A JP7956579 A JP 7956579A JP 7956579 A JP7956579 A JP 7956579A JP S562790 A JPS562790 A JP S562790A
- Authority
- JP
- Japan
- Prior art keywords
- picture
- circuit
- memory
- switch
- whole
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
PURPOSE:To make it possible to monitor movement and change of pictures, by making it possible to display the whole of the reproduced picture of the transmission part input TV signal and the picture of a changed picture part in the receiving part simultaneously or while switching them. CONSTITUTION:Memory write is controlled for memory circuits 110 and 111 through signal line 109, and decoded picture element values are written to both memory circuits through signal line 108. Circuit 110 corresponds to a picture changing part, and circuit 111 corresponds to the whole of the picture. Outputs from circuits 110 and 111 are switched by switch 118 and are output from output terminal 120 through D/A converter 119. Circuit 110 has all memory contents reset to a fixed value by the signal from memory reset circuit 113 before data receiving of the receiving side, and the picture region except a changed part is kept fixed-level on the monitor when the output of circuit 110 is selected by switch 118. Otherwise, switch 118 can be removed to reproduce and display only the whole of the picture and the picture changed part simultaneously.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7956579A JPS562790A (en) | 1979-06-22 | 1979-06-22 | Still picture display system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7956579A JPS562790A (en) | 1979-06-22 | 1979-06-22 | Still picture display system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS562790A true JPS562790A (en) | 1981-01-13 |
Family
ID=13693524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7956579A Pending JPS562790A (en) | 1979-06-22 | 1979-06-22 | Still picture display system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS562790A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61116490A (en) * | 1984-11-10 | 1986-06-03 | Matsushita Electric Works Ltd | Picture monitoring method |
JPH06153202A (en) * | 1992-10-29 | 1994-05-31 | F M T:Kk | Abnormality monitoring device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51146109A (en) * | 1975-06-11 | 1976-12-15 | Oki Electric Ind Co Ltd | Narrow band television system |
-
1979
- 1979-06-22 JP JP7956579A patent/JPS562790A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51146109A (en) * | 1975-06-11 | 1976-12-15 | Oki Electric Ind Co Ltd | Narrow band television system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61116490A (en) * | 1984-11-10 | 1986-06-03 | Matsushita Electric Works Ltd | Picture monitoring method |
JPH06153202A (en) * | 1992-10-29 | 1994-05-31 | F M T:Kk | Abnormality monitoring device |
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