DE2255179C3 - Ultraschalldetektor - Google Patents
UltraschalldetektorInfo
- Publication number
- DE2255179C3 DE2255179C3 DE2255179A DE2255179A DE2255179C3 DE 2255179 C3 DE2255179 C3 DE 2255179C3 DE 2255179 A DE2255179 A DE 2255179A DE 2255179 A DE2255179 A DE 2255179A DE 2255179 C3 DE2255179 C3 DE 2255179C3
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- waves
- transmitter
- detector
- 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.)
- Expired
Links
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 241001465754 Metazoa Species 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000012905 Brassica oleracea var viridis Nutrition 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect 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
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1449671 | 1971-11-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2255179A1 DE2255179A1 (de) | 1973-05-24 |
| DE2255179B2 DE2255179B2 (de) | 1974-02-07 |
| DE2255179C3 true DE2255179C3 (de) | 1974-08-29 |
Family
ID=20299201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2255179A Expired DE2255179C3 (de) | 1971-11-12 | 1972-11-10 | Ultraschalldetektor |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337550B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-10-02 | 1978-10-09 | ||
| GB1544961A (en) * | 1976-03-04 | 1979-04-25 | Rca Corp | High resolution pulse-echo ultrasonic imaging display system |
| EP0541565B1 (de) * | 1990-07-27 | 1994-08-31 | Siemens Aktiengesellschaft | Ultraschall-überwachungssystem für einen kfz-innenraum |
| US5905067A (en) * | 1997-02-10 | 1999-05-18 | Procter & Gamble Company | System for delivering hydrophobic liquid bleach activators |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042899A (en) * | 1959-06-16 | 1962-07-03 | Gen Railway Signal Co | Ultrasonic vehicle detection system |
| US3086196A (en) * | 1960-10-10 | 1963-04-16 | Gen Railway Signal Co | Pulsed ultrasonic detector |
| US3406385A (en) * | 1965-08-16 | 1968-10-15 | Hughes Aircraft Co | Intruder detection system |
| US3553636A (en) * | 1969-01-27 | 1971-01-05 | Bindicator Co | Noncontact ultrasonic interface viscosity and percent solid detecting device |
| US3733580A (en) * | 1970-12-22 | 1973-05-15 | Pitney Bowes Inc | Acoustical sensing curtain |
-
1972
- 1972-11-10 DE DE2255179A patent/DE2255179C3/de not_active Expired
- 1972-11-10 FR FR7240047A patent/FR2159503B1/fr not_active Expired
- 1972-11-10 US US00305579A patent/US3805223A/en not_active Expired - Lifetime
- 1972-11-10 GB GB5213972A patent/GB1398758A/en not_active Expired
- 1972-11-10 JP JP47112822A patent/JPS4860656A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4860656A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-25 |
| DE2255179A1 (de) | 1973-05-24 |
| DE2255179B2 (de) | 1974-02-07 |
| GB1398758A (en) | 1975-06-25 |
| FR2159503B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-08-20 |
| US3805223A (en) | 1974-04-16 |
| FR2159503A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |