FR535618A - Détermination de la direction du son - Google Patents
Détermination de la direction du sonInfo
- Publication number
- FR535618A FR535618A FR535618DA FR535618A FR 535618 A FR535618 A FR 535618A FR 535618D A FR535618D A FR 535618DA FR 535618 A FR535618 A FR 535618A
- Authority
- FR
- France
- Prior art keywords
- sound
- determining
- Prior art date
- 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
-
- 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)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE535618X | 1920-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR535618A true FR535618A (fr) | 1922-04-19 |
Family
ID=6556974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR535618D Expired FR535618A (fr) | 1920-05-21 | 1921-05-18 | Détermination de la direction du son |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR535618A (fr) |
| GB (1) | GB163670A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767988C (de) * | 1935-09-12 | 1955-04-28 | Siemens App | Elektroakustisches binaurales Peilgeraet fuer Luftschall |
-
1921
- 1921-05-18 FR FR535618D patent/FR535618A/fr not_active Expired
- 1921-05-20 GB GB14145/21A patent/GB163670A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767988C (de) * | 1935-09-12 | 1955-04-28 | Siemens App | Elektroakustisches binaurales Peilgeraet fuer Luftschall |
Also Published As
| Publication number | Publication date |
|---|---|
| GB163670A (en) | 1921-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR535618A (fr) | Détermination de la direction du son | |
| FR523749A (fr) | Fraise | |
| FR22680E (fr) | Suspension | |
| FR523449A (fr) | Télémètre acoustique | |
| FR522010A (fr) | Rétracteur | |
| FR530583A (fr) | Indicateur de direction | |
| FR522645A (fr) | Avertisseurs à air | |
| FR529083A (fr) | Suspension compensatrice | |
| FR517740A (fr) | Instruments horométriques | |
| FR513902A (fr) | Harmonica | |
| FR512333A (fr) | Construction de batiments en carreaux-moule | |
| FR526634A (fr) | Perfectionnements aux baignoires | |
| FR509946A (fr) | Indicateur phono-électrique | |
| FR516529A (fr) | Encliquetage | |
| FR533783A (fr) | Bretelles | |
| FR515365A (fr) | Manomètre | |
| FR513672A (fr) | Raccord de tuyaux | |
| FR515856A (fr) | Raccord de tuyaux | |
| FR537770A (fr) | Perfectionnement aux charnières | |
| FR515153A (fr) | Construction de batiments | |
| FR533004A (fr) | Bassinoire | |
| CA4891S (fr) | Phonographe | |
| FI7911A (fi) | Kulhållare | |
| FI8039A (fi) | Högspänningsmotstånd | |
| FI7891A (fi) | Lagerskål |