NL9274C - - Google Patents
Info
- Publication number
- NL9274C NL9274C NL12308A NL12308A NL9274C NL 9274 C NL9274 C NL 9274C NL 12308 A NL12308 A NL 12308A NL 12308 A NL12308 A NL 12308A NL 9274 C NL9274 C NL 9274C
- Authority
- NL
- Netherlands
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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE350962T | 1918-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9274C true NL9274C (fr) | 1923-08-15 |
Family
ID=33480552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL12308A NL9274C (fr) | 1918-07-12 | 1919-06-25 |
Country Status (4)
Country | Link |
---|---|
DE (3) | DE348126C (fr) |
FR (2) | FR24643E (fr) |
GB (5) | GB147938A (fr) |
NL (1) | NL9274C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774143A (en) * | 1985-12-31 | 1988-09-27 | General Electric Company | Impact resistant glass |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3237451A (en) * | 1962-10-16 | 1966-03-01 | Acoustica Associates Inc | Volumetric measurement system |
-
1917
- 1917-09-18 DE DE1917348126D patent/DE348126C/de not_active Expired
-
1918
- 1918-05-04 DE DE1918350961D patent/DE350961C/de not_active Expired
- 1918-07-12 DE DE1918350962D patent/DE350962C/de not_active Expired
-
1919
- 1919-06-25 NL NL12308A patent/NL9274C/xx active
-
1920
- 1920-07-09 GB GB19993/20A patent/GB147938A/en not_active Expired
- 1920-07-09 GB GB19990/20A patent/GB147935A/en not_active Expired
- 1920-07-10 GB GB20358/20A patent/GB148413A/en not_active Expired
- 1920-07-10 FR FR24643A patent/FR24643E/fr not_active Expired
- 1920-07-10 GB GB20360/20A patent/GB148415A/en not_active Expired
- 1920-07-10 GB GB20356/20A patent/GB148411A/en not_active Expired
- 1920-07-10 FR FR525948A patent/FR525948A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774143A (en) * | 1985-12-31 | 1988-09-27 | General Electric Company | Impact resistant glass |
Also Published As
Publication number | Publication date |
---|---|
GB148413A (en) | 1921-10-10 |
FR24643E (fr) | 1922-09-18 |
GB148415A (en) | 1921-10-10 |
GB147938A (en) | 1921-10-06 |
GB147935A (en) | 1921-09-15 |
DE348126C (de) | 1922-01-31 |
DE350962C (de) | 1922-03-28 |
FR525948A (fr) | 1921-09-29 |
DE350961C (de) | 1922-03-28 |
GB148411A (en) | 1921-10-10 |