CH493854A - FM-Dauerstrich-Radiohöhenmesser - Google Patents
FM-Dauerstrich-RadiohöhenmesserInfo
- Publication number
- CH493854A CH493854A CH1060269A CH1060269A CH493854A CH 493854 A CH493854 A CH 493854A CH 1060269 A CH1060269 A CH 1060269A CH 1060269 A CH1060269 A CH 1060269A CH 493854 A CH493854 A CH 493854A
- Authority
- CH
- Switzerland
- Prior art keywords
- continuous wave
- wave radio
- radio altimeter
- altimeter
- continuous
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3367468 | 1968-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH493854A true CH493854A (de) | 1970-07-15 |
Family
ID=10355975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1060269A CH493854A (de) | 1968-07-15 | 1969-07-11 | FM-Dauerstrich-Radiohöhenmesser |
Country Status (6)
Country | Link |
---|---|
US (1) | US3611378A (de) |
CH (1) | CH493854A (de) |
DE (1) | DE1935011C3 (de) |
FR (1) | FR2012996A1 (de) |
GB (1) | GB1227879A (de) |
NL (1) | NL6910835A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6426717B1 (en) | 2001-05-11 | 2002-07-30 | Rockwell Collins, Inc. | Single antenna FM radio altimeter operating in a continuous wave mode and an interrupted continuous wave mode |
US7095364B1 (en) * | 2005-08-04 | 2006-08-22 | The Boeing Company | Altitude measurement system and associated methods |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3403398A (en) * | 1967-06-01 | 1968-09-24 | Collins Radio Co | Double bounce second signal return filter corrected fmcw radio altimeter |
-
1968
- 1968-07-15 GB GB3367468A patent/GB1227879A/en not_active Expired
-
1969
- 1969-06-11 US US832359A patent/US3611378A/en not_active Expired - Lifetime
- 1969-07-10 DE DE1935011A patent/DE1935011C3/de not_active Expired
- 1969-07-11 CH CH1060269A patent/CH493854A/de not_active IP Right Cessation
- 1969-07-15 FR FR6923997A patent/FR2012996A1/fr not_active Withdrawn
- 1969-07-15 NL NL6910835A patent/NL6910835A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1935011C3 (de) | 1974-10-03 |
FR2012996A1 (de) | 1970-03-27 |
DE1935011A1 (de) | 1970-01-22 |
GB1227879A (de) | 1971-04-07 |
US3611378A (en) | 1971-10-05 |
NL6910835A (de) | 1970-01-19 |
DE1935011B2 (de) | 1974-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE381785B (sv) | Antennavstemningsanordning | |
FR2001009A1 (fr) | Antenne | |
FI52547C (fi) | Band foer bandfordon | |
AT270757B (de) | Radarantenne | |
CH527516A (de) | Mikrowellen-Oszillator | |
BE767223A (fr) | Pare-brise antenne | |
IT995874B (it) | Radio spoletta | |
DE1909205B2 (de) | Tacan - bodenantenne | |
BE765339A (fr) | Antenne | |
AT289892B (de) | Binärer Frequenzteiler | |
FR2002075A1 (fr) | Tige-antenne extensible | |
CH501959A (fr) | Convertisseur de fréquence électronique | |
FI53573C (fi) | Foerfarande foer framstaellning av kinoxalin-di-n-oxider | |
DK125046C (da) | Retningsantenne | |
CH483754A (fr) | Circuit diviseur de fréquence | |
IT981212B (it) | Radio spoletta | |
AT295600B (de) | Frequenzsynthesegerät | |
BE765118A (fr) | Altimetre radio | |
BE764586A (fr) | Pare-brise antenne | |
CH507621A (de) | Frequenzdiskriminator | |
CH493854A (de) | FM-Dauerstrich-Radiohöhenmesser | |
CH469404A (fr) | Diviseur de fréquence | |
CH502022A (de) | Frequenzdiskriminator | |
BE764584A (fr) | Pare-brise antenne | |
CH489022A (de) | Funkfeueranlage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |