BE526293A - - Google Patents
Info
- Publication number
- BE526293A BE526293A BE526293DA BE526293A BE 526293 A BE526293 A BE 526293A BE 526293D A BE526293D A BE 526293DA BE 526293 A BE526293 A BE 526293A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Headphones And Earphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE319076X | 1953-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526293A true BE526293A (zh) |
Family
ID=6151494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526293D BE526293A (zh) | 1953-06-15 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE526293A (zh) |
| CH (1) | CH319076A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136639A (en) * | 1990-04-11 | 1992-08-04 | Brito Ronald L | Telephone handset cushion |
-
0
- BE BE526293D patent/BE526293A/xx unknown
-
1953
- 1953-12-07 CH CH319076D patent/CH319076A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136639A (en) * | 1990-04-11 | 1992-08-04 | Brito Ronald L | Telephone handset cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| CH319076A (de) | 1957-01-31 |