GB191116956A - Telephonic Instruments including Transmitters. - Google Patents
Telephonic Instruments including Transmitters.Info
- Publication number
- GB191116956A GB191116956A GB191116956DA GB191116956A GB 191116956 A GB191116956 A GB 191116956A GB 191116956D A GB191116956D A GB 191116956DA GB 191116956 A GB191116956 A GB 191116956A
- Authority
- GB
- United Kingdom
- Prior art keywords
- instruments including
- including transmitters
- telephonic instruments
- fluid
- telephonic
- 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
- 239000012530 fluid Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/023—Microphones with more than one granular chamber
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191116956T | 1911-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191116956A true GB191116956A (en) | 1912-05-09 |
Family
ID=34357433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191116956D Expired GB191116956A (en) | 1911-07-24 | 1911-07-24 | Telephonic Instruments including Transmitters. |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR434390A (enrdf_load_stackoverflow) |
| GB (1) | GB191116956A (enrdf_load_stackoverflow) |
-
0
- FR FR434390D patent/FR434390A/fr active Active
-
1911
- 1911-07-24 GB GB191116956D patent/GB191116956A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR434390A (enrdf_load_stackoverflow) |
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