NL72257C - - Google Patents
Info
- Publication number
- NL72257C NL72257C NL72257DA NL72257C NL 72257 C NL72257 C NL 72257C NL 72257D A NL72257D A NL 72257DA NL 72257 C NL72257 C NL 72257C
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL248352X | 1943-03-27 | ||
| NL130543X | 1943-05-13 | ||
| NL211043X | 1943-10-21 | ||
| NL91143X | 1943-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72257C true NL72257C (es) |
Family
ID=27483681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72257D NL72257C (es) | 1943-03-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US2606283A (es) |
| CH (1) | CH248352A (es) |
| DE (1) | DE908868C (es) |
| GB (1) | GB632658A (es) |
| NL (1) | NL72257C (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2710315A (en) * | 1950-11-03 | 1955-06-07 | Ben H Tongue | Wide-band amplifying system |
| US2788493A (en) * | 1953-10-28 | 1957-04-09 | Rca Corp | Modulated semi-conductor oscillator circuit |
| US2802069A (en) * | 1954-09-07 | 1957-08-06 | Bell Telephone Labor Inc | Amplifier with high frequency compensation |
| US2857511A (en) * | 1956-03-02 | 1958-10-21 | Ben H Tongue | Balanced mixer |
| US3110863A (en) * | 1959-09-21 | 1963-11-12 | Vector Mfg Company | Phase modulation transmitter |
| US3275951A (en) * | 1963-08-01 | 1966-09-27 | Joachim A Maass | Ring modulator with large dynamic operating range |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1396786A (en) * | 1916-11-06 | 1921-11-15 | Western Electric Co | System for transmission of intelligence |
| US1596102A (en) * | 1924-12-24 | 1926-08-17 | American Telephone & Telegraph | High-frequency translating circuits |
| US1767508A (en) * | 1925-07-27 | 1930-06-24 | Crosley Radio Corp | Vacuum-tube circuits |
| FR690565A (fr) * | 1930-05-13 | 1930-09-23 | Radio Electr Soc Fr | Perfectionnements aux récepteurs de télégraphie et téléphonie sans fil |
| BE387351A (es) * | 1931-03-23 | |||
| BE406777A (es) * | 1933-12-13 | |||
| US2088432A (en) * | 1934-02-17 | 1937-07-27 | Rca Corp | Frequency converter circuit |
| US2169305A (en) * | 1935-06-15 | 1939-08-15 | Rca Corp | Low-loss circuits |
| DE727990C (de) * | 1939-10-06 | 1942-11-17 | Habil Friedrich Vilbig Dr Ing | Verfahren zur Beseitigung der durch Amplituden- und/oder Phasenverzerrung der beidenSeitenbaender hervorgerufenen Stoerungen einer mit Traegerfrequenz uebertragenen Nachricht |
| NL58327C (es) * | 1940-12-05 | |||
| US2434474A (en) * | 1941-01-28 | 1948-01-13 | Hartford Nat Bank & Trust Co | Circuit arrangement for ultra short waves |
| BE444311A (es) * | 1941-01-31 | |||
| BE470453A (es) * | 1942-11-16 | |||
| US2483766A (en) * | 1942-12-29 | 1949-10-04 | Rca Corp | Power converter system |
| US2479537A (en) * | 1942-12-30 | 1949-08-16 | Gen Electric | Detector-oscillator circuit for ultra high frequency receivers |
-
0
- NL NL72257D patent/NL72257C/xx active
-
1944
- 1944-03-25 DE DEN2440D patent/DE908868C/de not_active Expired
- 1944-10-30 CH CH248352D patent/CH248352A/de unknown
-
1946
- 1946-09-06 GB GB26858/46A patent/GB632658A/en not_active Expired
- 1946-09-10 US US695889A patent/US2606283A/en not_active Expired - Lifetime
- 1946-09-10 US US695890A patent/US2606284A/en not_active Expired - Lifetime
- 1946-09-10 US US695888A patent/US2609495A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2609495A (en) | 1952-09-02 |
| DE908868C (de) | 1954-04-12 |
| US2606283A (en) | 1952-08-05 |
| US2606284A (en) | 1952-08-05 |
| CH248352A (de) | 1947-04-30 |
| GB632658A (en) | 1949-11-28 |