FR2051688B1 - - Google Patents
Info
- Publication number
- FR2051688B1 FR2051688B1 FR7025454A FR7025454A FR2051688B1 FR 2051688 B1 FR2051688 B1 FR 2051688B1 FR 7025454 A FR7025454 A FR 7025454A FR 7025454 A FR7025454 A FR 7025454A FR 2051688 B1 FR2051688 B1 FR 2051688B1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- 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
- G01S1/02—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 radio 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)
- Radar Systems Or Details Thereof (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3506769A GB1263357A (en) | 1969-07-11 | 1969-07-11 | Linear frequency modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2051688A1 FR2051688A1 (fr) | 1971-04-09 |
FR2051688B1 true FR2051688B1 (fr) | 1975-01-10 |
Family
ID=10373407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7025454A Expired FR2051688B1 (fr) | 1969-07-11 | 1970-07-09 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE753349A (fr) |
DE (1) | DE2033649A1 (fr) |
FR (1) | FR2051688B1 (fr) |
GB (1) | GB1263357A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7905255A (nl) * | 1979-07-05 | 1981-01-07 | Plessey Handel Investment Ag | Frequentiemodulator. |
DE19713967A1 (de) * | 1997-04-04 | 1998-10-08 | Siemens Ag | Vorrichtung zur Abstandsmessung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3414842A (en) * | 1965-10-21 | 1968-12-03 | Collins Radio Co | Frequency modulated reference controlled oscillator |
-
1969
- 1969-07-11 GB GB3506769A patent/GB1263357A/en not_active Expired
-
1970
- 1970-07-07 DE DE19702033649 patent/DE2033649A1/de active Pending
- 1970-07-09 FR FR7025454A patent/FR2051688B1/fr not_active Expired
- 1970-07-13 BE BE753349D patent/BE753349A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE2033649A1 (de) | 1971-01-21 |
FR2051688A1 (fr) | 1971-04-09 |
BE753349A (fr) | 1971-01-13 |
GB1263357A (en) | 1972-02-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |