FR623517A - - Google Patents
Info
- Publication number
- FR623517A FR623517A FR623517DA FR623517A FR 623517 A FR623517 A FR 623517A FR 623517D A FR623517D A FR 623517DA FR 623517 A FR623517 A FR 623517A
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- 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
-
- 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
- G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
-
- 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)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER64258D DE441187C (de) | 1925-05-12 | 1925-05-12 | Einrichtung zur Zeichenuebermittelung zwischen zwei Schiffen oder zwischen Schiff und Land, insbesondere fuer Zwecke der Ortsbestimmung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR623517A true FR623517A (no) | 1927-06-25 |
Family
ID=7412356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR623517D Expired FR623517A (no) | 1925-05-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE334398A (no) |
| DE (1) | DE441187C (no) |
| FR (1) | FR623517A (no) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767354C (de) * | 1936-03-17 | 1952-07-10 | Telefunken Gmbh | Verfahren zur Richtungsbestimmung |
| DE748164C (de) * | 1936-08-21 | 1944-10-27 | Empfangseinrichtung fuer die Selbststeuerung oder Fernlenkung von Fahrzeugen laengs einer durch eine drahtlsoe Sendestation festgelegten Leitlinie | |
| DE1226174B (de) * | 1957-12-28 | 1966-10-06 | Pierre Nelli | Funksignalanlage zur Kollisionsverhinderung bei Schiffen |
-
0
- BE BE334398D patent/BE334398A/fr unknown
- FR FR623517D patent/FR623517A/fr not_active Expired
-
1925
- 1925-05-12 DE DER64258D patent/DE441187C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE441187C (de) | 1927-12-05 |
| BE334398A (no) |