IE50163B1 - Improved echo recognition system - Google Patents
Improved echo recognition systemInfo
- Publication number
- IE50163B1 IE50163B1 IE2052/80A IE205280A IE50163B1 IE 50163 B1 IE50163 B1 IE 50163B1 IE 2052/80 A IE2052/80 A IE 2052/80A IE 205280 A IE205280 A IE 205280A IE 50163 B1 IE50163 B1 IE 50163B1
- Authority
- IE
- Ireland
- Prior art keywords
- signal
- echo
- rangefinding
- time
- voltage
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 43
- 238000001514 detection method Methods 0.000 description 11
- 238000010009 beating Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8135779A | 1979-10-03 | 1979-10-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE802052L IE802052L (en) | 1981-04-03 |
| IE50163B1 true IE50163B1 (en) | 1986-02-19 |
Family
ID=22163638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2052/80A IE50163B1 (en) | 1979-10-03 | 1980-10-02 | Improved echo recognition system |
Country Status (10)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8334394D0 (en) * | 1983-12-23 | 1984-02-01 | Czajowski S B | Electrical circuits |
| DE3581335D1 (de) * | 1984-08-28 | 1991-02-21 | Hewlett Packard Co | Vorrichtung zur messung der geschwindigkeit eines stromes von teilchen. |
| DE4433957A1 (de) * | 1994-09-23 | 1996-03-28 | Mayser Gmbh & Co | Verfahren zur Ultraschall-Hinderniserkennung |
| GB2338132B (en) * | 1998-06-02 | 2003-05-28 | Federal Ind Ind Group Inc | Echo detection in echo ranging systems |
| DE102012200024A1 (de) | 2012-01-02 | 2013-07-04 | Robert Bosch Gmbh | Verfahren und Umfelderfassungsvorrichtung zur Bestimmung der Position und/oder der Bewegung von mindestens einem Objekt in der Umgebung eines Bewegungshilfsmittels mittels mindestens eines akustischen Pulses |
| DE102012200716A1 (de) * | 2012-01-19 | 2013-07-25 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Position und/oder Bewegung von Objekten in der Umgebung eines Bewegungshilfsmittels mittels von Schallsignalen sowie Vorrichtung zur Durchführung des Verfahrens |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1566852C3 (de) * | 1967-10-12 | 1974-02-07 | Fried. Krupp Gmbh, 4300 Essen | Anordnung zur Unterscheidung von Echolotimpulsen |
| US3701090A (en) * | 1970-12-22 | 1972-10-24 | Amf Inc | Shipboard acoustic receiver |
| JPS5121852A (ja) * | 1974-08-15 | 1976-02-21 | Furuno Kyotaka | Tantaibutsutaihanbetsusochi |
| US4199246A (en) * | 1976-10-04 | 1980-04-22 | Polaroid Corporation | Ultrasonic ranging system for a camera |
| CA1120578A (en) * | 1976-10-04 | 1982-03-23 | Juerg Muggli | Ultrasonic ranging system for a camera |
| DE2726981C2 (de) * | 1977-06-15 | 1984-11-22 | Fried. Krupp Gmbh, 4300 Essen | Vorrichtung zur Zeitmessung zwischen Impulsen |
| JPS5484762A (en) * | 1977-12-17 | 1979-07-05 | Fuji Roiyaru Kk | Noise reject device of ultrasonic underwater detector |
-
1980
- 1980-09-22 CA CA000360730A patent/CA1154140A/en not_active Expired
- 1980-09-30 AU AU62810/80A patent/AU536697B2/en not_active Ceased
- 1980-10-01 DE DE19803037139 patent/DE3037139A1/de active Granted
- 1980-10-02 JP JP13681480A patent/JPS5660374A/ja active Granted
- 1980-10-02 CH CH7372/80A patent/CH651387A5/de not_active IP Right Cessation
- 1980-10-02 IE IE2052/80A patent/IE50163B1/en not_active IP Right Cessation
- 1980-10-02 IT IT25072/80A patent/IT1133656B/it active
- 1980-10-03 AT AT0493880A patent/AT375198B/de not_active IP Right Cessation
- 1980-10-03 GB GB8031900A patent/GB2059590B/en not_active Expired
- 1980-10-03 FR FR8021256A patent/FR2466780B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT8025072A0 (it) | 1980-10-02 |
| FR2466780B1 (fr) | 1986-02-28 |
| AT375198B (de) | 1984-07-10 |
| DE3037139A1 (de) | 1981-04-16 |
| CA1154140A (en) | 1983-09-20 |
| AU536697B2 (en) | 1984-05-17 |
| IT1133656B (it) | 1986-07-09 |
| ATA493880A (de) | 1983-11-15 |
| JPH0156712B2 (enrdf_load_stackoverflow) | 1989-12-01 |
| GB2059590A (en) | 1981-04-23 |
| FR2466780A1 (fr) | 1981-04-10 |
| IE802052L (en) | 1981-04-03 |
| JPS5660374A (en) | 1981-05-25 |
| AU6281080A (en) | 1981-04-09 |
| GB2059590B (en) | 1984-02-29 |
| CH651387A5 (de) | 1985-09-13 |
| DE3037139C2 (enrdf_load_stackoverflow) | 1993-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |