NL89562C - - Google Patents
Info
- Publication number
- NL89562C NL89562C NL89562DA NL89562C NL 89562 C NL89562 C NL 89562C NL 89562D A NL89562D A NL 89562DA NL 89562 C NL89562 C NL 89562C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers 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
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
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)
- Amplifiers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT791793X | 1955-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL89562C true NL89562C (en) |
Family
ID=3681002
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL89562D NL89562C (en) | 1955-05-05 | ||
| NL206890D NL206890A (en) | 1955-05-05 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL206890D NL206890A (en) | 1955-05-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2846503A (en) |
| BE (1) | BE547520A (en) |
| DE (1) | DE1001327B (en) |
| FR (1) | FR1152720A (en) |
| GB (1) | GB791793A (en) |
| NL (2) | NL206890A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1055839B (en) * | 1957-10-25 | 1959-04-23 | Loewe Opta Ag | Method for recording sound vibrations on magnetic sound carriers |
| US2980840A (en) * | 1958-08-08 | 1961-04-18 | Levy Lester | Wide band, low distortion, high efficiency amplifier |
| US3060264A (en) * | 1959-01-27 | 1962-10-23 | Rojprasit Adisaun | Amplifier |
| NL248979A (en) * | 1959-03-06 | |||
| NL8600901A (en) * | 1986-04-09 | 1987-11-02 | Ir Ronald Jan Geluk | MULTI-WAY SPEAKER SYSTEM. |
| JPS63136494U (en) * | 1987-02-27 | 1988-09-07 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2084160A (en) * | 1925-06-09 | 1937-06-15 | Rca Corp | Filter system for loudspeakers |
| US2612558A (en) * | 1946-08-13 | 1952-09-30 | Paul W Klipsch | Crossover filter network |
-
0
- NL NL89562D patent/NL89562C/xx active
- BE BE547520D patent/BE547520A/xx unknown
- NL NL206890D patent/NL206890A/xx unknown
-
1956
- 1956-04-09 US US577113A patent/US2846503A/en not_active Expired - Lifetime
- 1956-04-30 DE DEN12183A patent/DE1001327B/en active Pending
- 1956-05-02 GB GB13544/56A patent/GB791793A/en not_active Expired
- 1956-05-03 FR FR1152720D patent/FR1152720A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2846503A (en) | 1958-08-05 |
| BE547520A (en) | |
| FR1152720A (en) | 1958-02-24 |
| NL206890A (en) | |
| GB791793A (en) | 1958-03-12 |
| DE1001327B (en) | 1957-01-24 |