JPS5672369A - Radar display device - Google Patents

Radar display device

Info

Publication number
JPS5672369A
JPS5672369A JP14869579A JP14869579A JPS5672369A JP S5672369 A JPS5672369 A JP S5672369A JP 14869579 A JP14869579 A JP 14869579A JP 14869579 A JP14869579 A JP 14869579A JP S5672369 A JPS5672369 A JP S5672369A
Authority
JP
Japan
Prior art keywords
video
character
signal
time
circuit
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
Application number
JP14869579A
Other languages
Japanese (ja)
Inventor
Kenji Oe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP14869579A priority Critical patent/JPS5672369A/en
Publication of JPS5672369A publication Critical patent/JPS5672369A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04—Display arrangements
    • G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
    • G01S7/22—Producing cursor lines and indicia by electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To avoid the original video from being not displayed by displaying characters, by detecting the presence of video signal and performing character display for the time in which sweep is being removed from the part corresponding to the absence of original video. CONSTITUTION:A video comparison circuit 22 and a duration time detection circuit 23 detect the duration of the state for a given time that the video amplitude is not in excess of the threshold value, the signal indicating video ineffective time is made, and this signal is fed to a timing control circuit 24, where the sweep display and character display switching signals are produced, and the character liminace signal and the character deflection signal from the character generation circuit 27 controlled with the character control signal temporarily stored in the memory circuit 26 in video ineffective time are fed to a cathode ray tube 32.
JP14869579A 1979-11-16 1979-11-16 Radar display device Pending JPS5672369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14869579A JPS5672369A (en) 1979-11-16 1979-11-16 Radar display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14869579A JPS5672369A (en) 1979-11-16 1979-11-16 Radar display device

Publications (1)

Publication Number Publication Date
JPS5672369A true JPS5672369A (en) 1981-06-16

Family

ID=15458524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14869579A Pending JPS5672369A (en) 1979-11-16 1979-11-16 Radar display device

Country Status (1)

Country Link
JP (1) JPS5672369A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04133324U (en) * 1991-05-30 1992-12-11 株式会社イノアツクコーポレーシヨン cable cover

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343088U (en) * 1976-09-20 1978-04-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343088U (en) * 1976-09-20 1978-04-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04133324U (en) * 1991-05-30 1992-12-11 株式会社イノアツクコーポレーシヨン cable cover

Similar Documents

Publication Publication Date Title
GB1388966A (en) Television channel indicator
JPS5672369A (en) Radar display device
JPS5245832A (en) Braun tube display equipment
ES477437A1 (en) Picture display device comprising a field deflection circuit and a field blanking circuit
JPS5432223A (en) Level display unit
JPS5541506A (en) Position detection system in crt display unit
JPS5597774A (en) Cathode-ray tube display unit
JPS56141527A (en) Detector for equal luminance line
JPS54826A (en) Display unit for characters or the like
JPS5679976A (en) Color cathode ray tube display device
JPS57174760A (en) Partial erasing method of picture image
JPS5590872A (en) Detecting-indication system for scanning sonar
JPS5468280A (en) Waveform display device
JPS5765658A (en) Electron beam device
RU2094952C1 (en) Generator of information sampling pulses for cathode-ray tube screen
JPS57107547A (en) Scan type electron microscope
JPS6435484A (en) Display device
JPS5451558A (en) Bearing defection display device
JPS5640763A (en) Oscilloscope having waveform memory function
JPS6460155A (en) Image processor
JPS5666773A (en) Generating system of video of mimic background noise
JPS524116A (en) Cathode-ray tube protecting circuit
JPS57123435A (en) Display device
JPS55156477A (en) Automatic controlling device for screen display size
JPS54158131A (en) Trend graph generator circuit