FR2092111A1 - - Google Patents
Info
- Publication number
- FR2092111A1 FR2092111A1 FR7115260A FR7115260A FR2092111A1 FR 2092111 A1 FR2092111 A1 FR 2092111A1 FR 7115260 A FR7115260 A FR 7115260A FR 7115260 A FR7115260 A FR 7115260A FR 2092111 A1 FR2092111 A1 FR 2092111A1
- Authority
- FR
- France
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations
- G06F7/66—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations wherein pulses represent unitary increments only
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/42—Simultaneous measurement of distance and other co-ordinates
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
- G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
- G01S7/6227—Plan-position indicators, i.e. P.P.I.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3295170A | 1970-04-29 | 1970-04-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2092111A1 true FR2092111A1 (fr) | 1972-01-21 |
FR2092111B1 FR2092111B1 (fr) | 1976-12-03 |
Family
ID=21867759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7115260A Expired FR2092111B1 (fr) | 1970-04-29 | 1971-04-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3751712A (fr) |
JP (1) | JPS5040998B1 (fr) |
FR (1) | FR2092111B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2195798A1 (fr) * | 1972-08-09 | 1974-03-08 | Westinghouse Canada Ltd |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889225A (en) * | 1973-08-09 | 1975-06-10 | Westinghouse Canada Ltd | Sonar display |
US4265121A (en) * | 1978-11-13 | 1981-05-05 | Litton Industrial Products, Inc. | High resolution ultrasound diagnostic apparatus |
US6377265B1 (en) | 1999-02-12 | 2002-04-23 | Creative Technology, Ltd. | Digital differential analyzer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3292034A (en) * | 1963-09-27 | 1966-12-13 | Honeywell Inc | Apparatus for synchronizing cathode ray deflection to a rotating antenna using digital techniques |
SE313091B (fr) * | 1965-04-20 | 1969-08-04 | Ericsson Telefon Ab L M | |
US3431459A (en) * | 1967-03-31 | 1969-03-04 | Usa | Spiral sweep phase shift compensation |
US3478357A (en) * | 1968-05-07 | 1969-11-11 | Burroughs Corp | Sweep generator for ppi radar display |
-
1970
- 1970-04-29 US US00032951A patent/US3751712A/en not_active Expired - Lifetime
-
1971
- 1971-04-28 FR FR7115260A patent/FR2092111B1/fr not_active Expired
- 1971-04-28 JP JP46027603A patent/JPS5040998B1/ja active Pending
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2195798A1 (fr) * | 1972-08-09 | 1974-03-08 | Westinghouse Canada Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE2119580B2 (de) | 1975-06-19 |
US3751712A (en) | 1973-08-07 |
DE2119580A1 (de) | 1971-11-11 |
FR2092111B1 (fr) | 1976-12-03 |
JPS5040998B1 (fr) | 1975-12-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |