BE481301A - - Google Patents
Info
- Publication number
- BE481301A BE481301A BE481301DA BE481301A BE 481301 A BE481301 A BE 481301A BE 481301D A BE481301D A BE 481301DA BE 481301 A BE481301 A BE 481301A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radio Transmission System (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US536925A US2384456A (en) | 1944-05-23 | 1944-05-23 | Radio receiving system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE481301A true BE481301A (de) |
Family
ID=24140482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE481301D BE481301A (de) | 1944-05-23 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2384456A (de) |
BE (1) | BE481301A (de) |
CH (1) | CH265990A (de) |
FR (1) | FR959580A (de) |
GB (1) | GB635590A (de) |
NL (1) | NL79786C (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL117404B (de) * | 1944-06-16 | |||
US2421054A (en) * | 1945-06-15 | 1947-05-27 | Press Wireless Inc | Carrier-shift signal control circuits |
BE469690A (de) * | 1945-12-05 | |||
US2553271A (en) * | 1945-12-11 | 1951-05-15 | Rca Corp | Diversity receiver |
FR958675A (de) * | 1946-02-05 | 1950-03-17 | ||
US2512462A (en) * | 1946-02-20 | 1950-06-20 | Rca Corp | Diversity system |
US2785301A (en) * | 1946-03-05 | 1957-03-12 | La Verne R Philpott | Diversity amplification for superheterodyne receivers |
US2589662A (en) * | 1946-04-23 | 1952-03-18 | Bell Telephone Labor Inc | Radiotelephone receiving system |
BE475718A (de) * | 1946-05-13 | |||
US2515055A (en) * | 1946-05-31 | 1950-07-11 | Rca Corp | Diversity receiver |
US2495826A (en) * | 1946-09-18 | 1950-01-31 | Rca Corp | Locking and control circuit in a diversity telegraphy receiver |
US2520308A (en) * | 1947-02-20 | 1950-08-29 | Erco Radio Lab Inc | Frequency shift converter |
US2555557A (en) * | 1947-02-25 | 1951-06-05 | Rca Corp | Diversity receiver |
US2514162A (en) * | 1947-04-25 | 1950-07-04 | Rca Corp | Diversity reception |
US2568408A (en) * | 1947-05-17 | 1951-09-18 | Rca Corp | Frequency shift diversity transmission system |
US2604587A (en) * | 1947-11-12 | 1952-07-22 | Rca Corp | Signal selecting means |
US2497859A (en) * | 1947-11-19 | 1950-02-21 | Western Union Telegraph Co | Frequency diversity telegraph system |
US2543256A (en) * | 1948-05-20 | 1951-02-27 | Rca Corp | Diversity receiver for multiplex frequency shift tones |
BE520745A (de) * | 1948-12-03 | |||
US2636982A (en) * | 1949-05-20 | 1953-04-28 | fluexuu vtftvo | |
NL81996C (de) * | 1949-07-23 | |||
US2694140A (en) * | 1951-11-24 | 1954-11-09 | Bell Telephone Labor Inc | Selection of low interference radio channels |
US2694141A (en) * | 1951-12-22 | 1954-11-09 | Bell Telephone Labor Inc | Radiant energy signaling system |
US2899548A (en) * | 1955-04-22 | 1959-08-11 | channel | |
NL114059C (de) * | 1955-06-24 | |||
US2835800A (en) * | 1955-11-14 | 1958-05-20 | James R Day | Diversity receiving system |
US3026455A (en) * | 1959-07-02 | 1962-03-20 | Philco Corp | Differential switching amplifier |
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0
- BE BE481301D patent/BE481301A/xx unknown
- NL NL79786D patent/NL79786C/xx active
- FR FR959580D patent/FR959580A/fr not_active Expired
-
1944
- 1944-05-23 US US536925A patent/US2384456A/en not_active Expired - Lifetime
-
1947
- 1947-08-01 GB GB20989/47A patent/GB635590A/en not_active Expired
-
1948
- 1948-01-24 CH CH265990D patent/CH265990A/de unknown
Also Published As
Publication number | Publication date |
---|---|
NL79786C (de) | |
FR959580A (de) | 1950-03-31 |
US2384456A (en) | 1945-09-11 |
GB635590A (en) | 1950-04-12 |
CH265990A (de) | 1949-12-31 |