GB191026774A - Improvements in or relating to Apparatus for Indicating the Direction whence Sound Travels. - Google Patents
Improvements in or relating to Apparatus for Indicating the Direction whence Sound Travels.Info
- Publication number
- GB191026774A GB191026774A GB191026774DA GB191026774A GB 191026774 A GB191026774 A GB 191026774A GB 191026774D A GB191026774D A GB 191026774DA GB 191026774 A GB191026774 A GB 191026774A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microphones
- ring
- microphone
- sound
- indicating
- 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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
26,774. Hodgkinson, T. G., [Hodgkinson, W.]. Nov. 17. Locating sounds. - A number of receiving microphones are p r ovided with horn-shaped sound - collectors pointing in different directions in the air, and are placed in circuit to operate indicators. The microphone element consists of a metal strip A<2> mounted on the ring H', and another strip A<1> mounted on the glass diaphragm A. The contact is adjusted by the differential screw H<7>. Each microphone is arranged in a system of connexions with a differential relay which brings a magnet into circuit when the microphone is actuated. The relay releases a stop from a frictionallydriven wheel which forms the indicator. In another form of apparatus, the microphones are mounted so as to be rotated together until the line between them is perpendicular to the direction from which the sound comes. The microphones are, in this system, placed in opposite arms of a bridge system. The Provisional Specification also describes an indicating-system in which the diaphragms carry mirrors from which a ring of light is reflected, a disturbance in the ring thus showing the position of a diaphragm which is receiving sound-waves.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191026774T | 1910-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191026774A true GB191026774A (en) | 1911-11-16 |
Family
ID=32494762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191026774D Expired GB191026774A (en) | 1910-11-17 | 1910-11-17 | Improvements in or relating to Apparatus for Indicating the Direction whence Sound Travels. |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR430887A (en) |
| GB (1) | GB191026774A (en) |
-
1910
- 1910-11-17 GB GB191026774D patent/GB191026774A/en not_active Expired
-
1911
- 1911-06-12 FR FR430887A patent/FR430887A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR430887A (en) | 1911-10-26 |
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