BE549427A - - Google Patents
Info
- Publication number
- BE549427A BE549427A BE549427DA BE549427A BE 549427 A BE549427 A BE 549427A BE 549427D A BE549427D A BE 549427DA BE 549427 A BE549427 A BE 549427A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F15/00—Amplifiers using galvano-magnetic effects not involving mechanical movement, e.g. using Hall effect
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
- H03F3/64—Two-way amplifiers with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/581—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a transformer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Amplifiers (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL342994X | 1955-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE549427A true BE549427A (xx) |
Family
ID=19784777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE549427D BE549427A (xx) | 1955-07-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2924673A (xx) |
| BE (1) | BE549427A (xx) |
| CH (1) | CH342994A (xx) |
| DE (1) | DE1015855B (xx) |
| FR (1) | FR1154649A (xx) |
| GB (1) | GB808390A (xx) |
| NL (2) | NL198813A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3060412A (en) * | 1958-08-18 | 1962-10-23 | Automatic Elect Lab | Magnetic saturation control devices |
| US3014988A (en) * | 1958-08-18 | 1961-12-26 | Automatic Elect Lab | Magnetic saturation control devices |
| FR1215805A (fr) * | 1958-11-18 | 1960-04-20 | Cie Ind Des Telephones | Perfectionnements aux amplificateurs à fréquence vocale |
| US3379895A (en) * | 1964-04-24 | 1968-04-23 | Burroughs Corp | Magneto-resistive trigger circuit |
| US3522598A (en) * | 1966-11-21 | 1970-08-04 | Bendix Corp | Semiconductor voltage generator analog to digital and digital to analog conversion device |
| US3673517A (en) * | 1968-09-19 | 1972-06-27 | Jerrold Electronics Corp | Resistorless radio frequency hybrid signal splitter |
| JPS5226972B2 (xx) * | 1973-07-28 | 1977-07-18 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553490A (en) * | 1949-02-21 | 1951-05-15 | Bell Telephone Labor Inc | Magnetic control of semiconductor currents |
| US2649574A (en) * | 1951-04-05 | 1953-08-18 | Bell Telephone Labor Inc | Hall-effect wave translating device |
| US2743322A (en) * | 1952-11-29 | 1956-04-24 | Bell Telephone Labor Inc | Solid state amplifier |
-
0
- NL NL87158D patent/NL87158C/xx active
- BE BE549427D patent/BE549427A/xx unknown
- NL NL198813D patent/NL198813A/xx unknown
-
1956
- 1956-06-21 US US592845A patent/US2924673A/en not_active Expired - Lifetime
- 1956-07-06 GB GB21011/56A patent/GB808390A/en not_active Expired
- 1956-07-07 DE DEN12462A patent/DE1015855B/de active Pending
- 1956-07-10 CH CH342994D patent/CH342994A/de unknown
- 1956-07-10 FR FR1154649D patent/FR1154649A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL87158C (xx) | |
| DE1015855B (de) | 1957-09-19 |
| US2924673A (en) | 1960-02-09 |
| FR1154649A (fr) | 1958-04-14 |
| CH342994A (de) | 1959-12-15 |
| GB808390A (en) | 1959-02-04 |
| NL198813A (xx) |