JPS54101257A - Image dispaly unit - Google Patents
Image dispaly unitInfo
- Publication number
- JPS54101257A JPS54101257A JP721378A JP721378A JPS54101257A JP S54101257 A JPS54101257 A JP S54101257A JP 721378 A JP721378 A JP 721378A JP 721378 A JP721378 A JP 721378A JP S54101257 A JPS54101257 A JP S54101257A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sweep
- cathode ray
- blanking
- ray tubes
- 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 establish the image display unit having excellent sight field selection function.
CONSTITUTION: The signal from the signal detector such as scanning type electronic microscope is applied to the cathode ray tubes 2,3 as the luminance modulation signal through the signal amplifier 1. On the other hand, the sweep signal from the sweep generators 6,7 is fed to the deflection coil 4 of the cathode ray tubes 2,3 through the amplifier 5. Further, this signal is synthesized with the sweep signal which is changed for the amplitude and level with the level setter 14 through the attenuator 9 and with the original sweep signal by means of the mixer 12, and the synthesized signal is fed to the deflection coil of the mirror body through the magnification setter 13. On the other hand, in the cathode ray tubes 2,3, when blanking is made to one cathode ray tube, no blanking is made to another. Then, alternate blanking to horizontal sweep is made.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP721378A JPS54101257A (en) | 1978-01-27 | 1978-01-27 | Image dispaly unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP721378A JPS54101257A (en) | 1978-01-27 | 1978-01-27 | Image dispaly unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54101257A true JPS54101257A (en) | 1979-08-09 |
Family
ID=11659711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP721378A Pending JPS54101257A (en) | 1978-01-27 | 1978-01-27 | Image dispaly unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54101257A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5730251A (en) * | 1980-07-30 | 1982-02-18 | Hitachi Ltd | Automatic image viewer for particle beam scan type image display |
-
1978
- 1978-01-27 JP JP721378A patent/JPS54101257A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5730251A (en) * | 1980-07-30 | 1982-02-18 | Hitachi Ltd | Automatic image viewer for particle beam scan type image display |
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