CH540498A - Device for finding fixed or mobile obstacles in case of poor visibility - Google Patents
Device for finding fixed or mobile obstacles in case of poor visibilityInfo
- Publication number
- CH540498A CH540498A CH1706771A CH1706771A CH540498A CH 540498 A CH540498 A CH 540498A CH 1706771 A CH1706771 A CH 1706771A CH 1706771 A CH1706771 A CH 1706771A CH 540498 A CH540498 A CH 540498A
- Authority
- CH
- Switzerland
- Prior art keywords
- case
- poor visibility
- mobile obstacles
- finding fixed
- finding
- Prior art date
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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT7093070 | 1970-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH540498A true CH540498A (en) | 1973-08-15 |
Family
ID=11314494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1706771A CH540498A (en) | 1970-11-25 | 1971-11-24 | Device for finding fixed or mobile obstacles in case of poor visibility |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE775715A (en) |
CH (1) | CH540498A (en) |
DE (1) | DE2155305A1 (en) |
FR (1) | FR2115325A1 (en) |
NL (1) | NL7115831A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4120816C2 (en) * | 1991-06-25 | 2001-11-08 | Rabotek Ind Comp Gmbh | Method and device for monitoring tunnel structures |
-
1971
- 1971-11-03 DE DE19712155305 patent/DE2155305A1/en active Pending
- 1971-11-17 NL NL7115831A patent/NL7115831A/xx unknown
- 1971-11-22 FR FR7141721A patent/FR2115325A1/fr not_active Withdrawn
- 1971-11-23 BE BE775715A patent/BE775715A/en unknown
- 1971-11-24 CH CH1706771A patent/CH540498A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2115325A1 (en) | 1972-07-07 |
BE775715A (en) | 1972-03-16 |
NL7115831A (en) | 1972-05-29 |
DE2155305A1 (en) | 1972-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |