JPS5545273A - Focus control circuit - Google Patents
Focus control circuitInfo
- Publication number
- JPS5545273A JPS5545273A JP11895078A JP11895078A JPS5545273A JP S5545273 A JPS5545273 A JP S5545273A JP 11895078 A JP11895078 A JP 11895078A JP 11895078 A JP11895078 A JP 11895078A JP S5545273 A JPS5545273 A JP S5545273A
- Authority
- JP
- Japan
- Prior art keywords
- outline
- signals
- mixed
- video signals
- soft
- 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
- Studio Circuits (AREA)
Abstract
PURPOSE: To make it possible to obtain easily a desired focus effect and realize a small-size camera head by generating soft outline signals for weakening the outline of video signals separately from sharp outline signals.
CONSTITUTION: In the TV camera unit, outline signal generation circuit 20 generates sharp outline signals (b), which strengthens the outline of an object on the screen corresponding to input video signals (a) to improve visually the resolution of the picture, and soft outline signals (d) which weakens the outline of the object to lower visually the resolution of the picture and generate blooming, and these outline signal outputs are led to a color coder after being mixed into video signals by outline signal mixer circuits 17∼19. The change of rise and break parts of video signals is rapid as shown in (c) when signals (b) are mixed with (a), and meanwhile, the change of rise and break parts is gentle as shown in (e) when signals (d) are mixed with (a), so that soft-focus pictures can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11895078A JPS5545273A (en) | 1978-09-27 | 1978-09-27 | Focus control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11895078A JPS5545273A (en) | 1978-09-27 | 1978-09-27 | Focus control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5545273A true JPS5545273A (en) | 1980-03-29 |
Family
ID=14749258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11895078A Pending JPS5545273A (en) | 1978-09-27 | 1978-09-27 | Focus control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5545273A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057779A (en) * | 1983-09-08 | 1985-04-03 | Matsushita Electric Ind Co Ltd | Television signal processing circuit |
JPH04290086A (en) * | 1990-10-30 | 1992-10-14 | Gold Star Co Ltd | Picture control system of video tape recorder |
-
1978
- 1978-09-27 JP JP11895078A patent/JPS5545273A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057779A (en) * | 1983-09-08 | 1985-04-03 | Matsushita Electric Ind Co Ltd | Television signal processing circuit |
JPH04290086A (en) * | 1990-10-30 | 1992-10-14 | Gold Star Co Ltd | Picture control system of video tape recorder |
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