FR2506028A1 - Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif - Google Patents

Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif Download PDF

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Publication number
FR2506028A1
FR2506028A1 FR8109713A FR8109713A FR2506028A1 FR 2506028 A1 FR2506028 A1 FR 2506028A1 FR 8109713 A FR8109713 A FR 8109713A FR 8109713 A FR8109713 A FR 8109713A FR 2506028 A1 FR2506028 A1 FR 2506028A1
Authority
FR
France
Prior art keywords
write
memories
circuit
memory
read
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.)
Granted
Application number
FR8109713A
Other languages
English (en)
French (fr)
Other versions
FR2506028B1 (enExample
Inventor
Jean-Yves Maurice Guiglini
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.)
OMERA SEGID
Original Assignee
OMERA SEGID
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 OMERA SEGID filed Critical OMERA SEGID
Priority to FR8109713A priority Critical patent/FR2506028A1/fr
Priority to US06/375,148 priority patent/US4601001A/en
Priority to DE8282200573T priority patent/DE3272847D1/de
Priority to EP82200573A priority patent/EP0066319B1/fr
Publication of FR2506028A1 publication Critical patent/FR2506028A1/fr
Application granted granted Critical
Publication of FR2506028B1 publication Critical patent/FR2506028B1/fr
Granted 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
    • G01S7/064—Cathode-ray tube displays or other two dimensional or three-dimensional displays using a display memory for image processing
    • G01S7/066—Cathode-ray tube displays or other two dimensional or three-dimensional displays using a display memory for image processing with means for showing the history of the radar trails, e.g. artificial remanence
    • 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
    • G01S7/10—Providing two-dimensional and co-ordinated display of distance and direction
    • G01S7/12—Plan-position indicators, i.e. P.P.I.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR8109713A 1981-05-15 1981-05-15 Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif Granted FR2506028A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8109713A FR2506028A1 (fr) 1981-05-15 1981-05-15 Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif
US06/375,148 US4601001A (en) 1981-05-15 1982-05-05 Invalidation arrangement for information stored in a memory during a certain period of time and radar comprising such an arrangement
DE8282200573T DE3272847D1 (en) 1981-05-15 1982-05-11 Device for erasing data stored for a given time and radar system equipped therewith
EP82200573A EP0066319B1 (fr) 1981-05-15 1982-05-11 Dispositif d'oubli pour invalider des informations contenues dans une mémoire depuis un certain temps et radar comportant un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8109713A FR2506028A1 (fr) 1981-05-15 1981-05-15 Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2506028A1 true FR2506028A1 (fr) 1982-11-19
FR2506028B1 FR2506028B1 (enExample) 1983-08-19

Family

ID=9258504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8109713A Granted FR2506028A1 (fr) 1981-05-15 1981-05-15 Dispositif d'oubli pour invalider des informations contenues dans une memoire depuis un certain temps et radar comportant un tel dispositif

Country Status (4)

Country Link
US (1) US4601001A (enExample)
EP (1) EP0066319B1 (enExample)
DE (1) DE3272847D1 (enExample)
FR (1) FR2506028A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530064B1 (fr) * 1982-07-07 1988-08-05 Omera Segid Dispositif de memoire a inscription controlee destine notamment a cooperer avec une unite de visualisation d'images radar
FR2614994B1 (fr) * 1987-05-07 1989-06-30 Thomson Csf Procede et dispositif de visualisation de plusieurs images radar en une mosaique unique
US5742297A (en) * 1994-11-04 1998-04-21 Lockheed Martin Corporation Apparatus and method for constructing a mosaic of data
US6167473A (en) * 1997-05-23 2000-12-26 New Moon Systems, Inc. System for detecting peripheral input activity and dynamically adjusting flushing rate of corresponding output device in response to detected activity level of the input device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541529A (en) * 1969-09-22 1970-11-17 Ibm Replacement system
US3821735A (en) * 1973-01-29 1974-06-28 Burroughs Corp Digital data refreshing apparatus for radar display system
US3964064A (en) * 1972-09-21 1976-06-15 Brandao Ruy L Data display system having a multilevel video storage device
FR2357036A1 (fr) * 1976-07-02 1978-01-27 Ibm Memoire du type " premier entre, premier sorti " et ses circuits de commande
US4208657A (en) * 1978-08-16 1980-06-17 Raytheon Company Electronic automatic plotter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1205859A (fr) * 1958-01-17 1960-02-05 L Outil R B V Et De La Radioin Perfectionnements aux dispositifs d'élaboration et d'utilisation de signaux radar conformément à un programme pré-établi
US3882502A (en) * 1974-01-17 1975-05-06 Us Navy Crt multiple-scan display apparatus and method providing target discrimination
US4271402A (en) * 1979-08-29 1981-06-02 General Motors Corporation Motor vehicle diagnostic and monitoring device having keep alive memory

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541529A (en) * 1969-09-22 1970-11-17 Ibm Replacement system
US3964064A (en) * 1972-09-21 1976-06-15 Brandao Ruy L Data display system having a multilevel video storage device
US3821735A (en) * 1973-01-29 1974-06-28 Burroughs Corp Digital data refreshing apparatus for radar display system
FR2357036A1 (fr) * 1976-07-02 1978-01-27 Ibm Memoire du type " premier entre, premier sorti " et ses circuits de commande
US4095283A (en) * 1976-07-02 1978-06-13 International Business Machines Corporation First in-first out memory array containing special bits for replacement addressing
US4208657A (en) * 1978-08-16 1980-06-17 Raytheon Company Electronic automatic plotter

Also Published As

Publication number Publication date
DE3272847D1 (en) 1986-10-02
US4601001A (en) 1986-07-15
EP0066319B1 (fr) 1986-08-27
FR2506028B1 (enExample) 1983-08-19
EP0066319A1 (fr) 1982-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse