LU27852A1 - - Google Patents
Info
- Publication number
- LU27852A1 LU27852A1 LU27852DA LU27852A1 LU 27852 A1 LU27852 A1 LU 27852A1 LU 27852D A LU27852D A LU 27852DA LU 27852 A1 LU27852 A1 LU 27852A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Electric hearing aids
- H04R25/35—Electric hearing aids using translation techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Mechanisms For Operating Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR901359T | 1943-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU27852A1 true LU27852A1 (https=) | 1945-12-22 |
Family
ID=9401782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU27852D LU27852A1 (https=) | 1943-09-07 | 1946-02-22 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE464926A (https=) |
| CH (1) | CH250537A (https=) |
| FR (1) | FR901359A (https=) |
| GB (1) | GB646196A (https=) |
| LU (1) | LU27852A1 (https=) |
| NL (1) | NL60927C (https=) |
-
1943
- 1943-09-07 FR FR901359D patent/FR901359A/fr not_active Expired
-
1944
- 1944-02-08 NL NL115194A patent/NL60927C/nl active
- 1944-12-19 CH CH250537D patent/CH250537A/fr unknown
-
1946
- 1946-02-22 LU LU27852D patent/LU27852A1/fr unknown
- 1946-03-14 GB GB7984/47A patent/GB646196A/en not_active Expired
- 1946-04-30 BE BE464926A patent/BE464926A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR901359A (fr) | 1945-07-25 |
| BE464926A (fr) | 1946-05-31 |
| GB646196A (en) | 1950-11-15 |
| CH250537A (fr) | 1947-08-31 |
| NL60927C (https=) | 1948-04-15 |