CH259857A - Device for measuring distances and locating by means of radio waves. - Google Patents
Device for measuring distances and locating by means of radio waves.Info
- Publication number
- CH259857A CH259857A CH259857DA CH259857A CH 259857 A CH259857 A CH 259857A CH 259857D A CH259857D A CH 259857DA CH 259857 A CH259857 A CH 259857A
- Authority
- CH
- Switzerland
- Prior art keywords
- locating
- radio waves
- measuring distances
- distances
- measuring
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB259856X | 1945-10-12 | ||
GB259857X | 1945-10-12 | ||
GB111046X | 1946-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH259857A true CH259857A (en) | 1949-02-15 |
Family
ID=27256636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH259857D CH259857A (en) | 1945-10-12 | 1946-12-03 | Device for measuring distances and locating by means of radio waves. |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH259857A (en) |
FR (1) | FR945882A (en) |
GB (1) | GB621848A (en) |
-
1945
- 1945-10-12 GB GB26762/45A patent/GB621848A/en not_active Expired
-
1946
- 1946-12-03 CH CH259857D patent/CH259857A/en unknown
-
1947
- 1947-04-26 FR FR945882D patent/FR945882A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB621848A (en) | 1949-04-21 |
FR945882A (en) | 1949-05-17 |
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