NL117953B - - Google Patents
Info
- Publication number
- NL117953B NL117953B NL117953DA NL117953B NL 117953 B NL117953 B NL 117953B NL 117953D A NL117953D A NL 117953DA NL 117953 B NL117953 B NL 117953B
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL253842X | 1944-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL117953B true NL117953B (zh) |
Family
ID=19781220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL117953D NL117953B (zh) | 1944-07-13 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH253842A (zh) |
| FR (1) | FR937945A (zh) |
| NL (1) | NL117953B (zh) |
-
0
- NL NL117953D patent/NL117953B/xx unknown
-
1946
- 1946-07-29 CH CH253842D patent/CH253842A/de unknown
- 1946-09-05 FR FR937945D patent/FR937945A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH253842A (de) | 1948-03-31 |
| FR937945A (fr) | 1948-08-31 |