GB293839A - Improvements in or relating to heterodyne radio receiving systems and apparatus for use therein - Google Patents
Improvements in or relating to heterodyne radio receiving systems and apparatus for use thereinInfo
- Publication number
- GB293839A GB293839A GB20348/28A GB2034828A GB293839A GB 293839 A GB293839 A GB 293839A GB 20348/28 A GB20348/28 A GB 20348/28A GB 2034828 A GB2034828 A GB 2034828A GB 293839 A GB293839 A GB 293839A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grid
- wave
- local
- plate
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR649698T | 1927-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB293839A true GB293839A (en) | 1928-11-29 |
Family
ID=9003458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20348/28A Expired GB293839A (en) | 1927-07-13 | 1928-07-12 | Improvements in or relating to heterodyne radio receiving systems and apparatus for use therein |
Country Status (4)
Country | Link |
---|---|
US (1) | US1872634A (enrdf_load_stackoverflow) |
BE (1) | BE352800A (enrdf_load_stackoverflow) |
FR (1) | FR649698A (enrdf_load_stackoverflow) |
GB (1) | GB293839A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL45199C (enrdf_load_stackoverflow) * | 1933-01-14 | |||
DE971670C (de) * | 1933-01-30 | 1959-03-12 | Hazeltine Corp | Schaltung zur gleichzeitigen Schwingungserzeugung und Modulation in einer Roehre mitmindestens drei zwischen Kathode und Anode angeordneten Gitterelektroden |
-
0
- BE BE352800D patent/BE352800A/xx unknown
-
1927
- 1927-07-13 FR FR649698D patent/FR649698A/fr not_active Expired
-
1928
- 1928-07-07 US US290972A patent/US1872634A/en not_active Expired - Lifetime
- 1928-07-12 GB GB20348/28A patent/GB293839A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1872634A (en) | 1932-08-16 |
BE352800A (enrdf_load_stackoverflow) | |
FR649698A (fr) | 1928-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB552658A (en) | Improvements in frequency modulation receivers | |
GB497656A (en) | Improvements in or relating to electric oscillation generators | |
GB293839A (en) | Improvements in or relating to heterodyne radio receiving systems and apparatus for use therein | |
GB606007A (en) | Improvements in angle modulation detectors for carrier wave signalling | |
GB289875A (en) | Improvements in or relating to high frequency circuit arrangements, radio transmitters and the like | |
GB301070A (enrdf_load_stackoverflow) | ||
GB253152A (en) | Improvements in or relating to wireless telegraphy and telephony | |
GB571580A (en) | Frequency modulation detector | |
GB346811A (en) | Improvements in or relating to wireless receiving apparatus | |
GB216308A (en) | Improvements in or relating to wireless systems | |
GB252767A (en) | Improvements relating to wireless receivers | |
GB384591A (en) | Improvements in superheterodyne wireless receivers | |
GB279424A (enrdf_load_stackoverflow) | ||
GB490673A (en) | Improvements in or relating to a method of and apparatus for the reception of radio signals | |
GB429419A (en) | Ultra-short wave reception device | |
GB257294A (en) | Improvements in or relating to radio receivers | |
GB394267A (en) | Improvements in or relating to radio and like receivers | |
GB243017A (en) | Improvements in or relating to radio and the like receivers operating on the heterodyne principle | |
GB369575A (en) | Improvements in or relating to thermionic oscillation generators | |
GB287484A (en) | Improvements in or relating to piezo-electric devices | |
GB159683A (en) | Improvements in or relating to wireless reception apparatus | |
GB469428A (en) | Improvements in or relating to wireless receivers | |
GB284585A (en) | Improvements in thermionic valve circuits for wireless reception | |
GB318860A (en) | Improvements in or relating to high frequency transmitters and receivers | |
GB686979A (en) | Improvements in or relating to piezo-electric crystal controlled frequency selective apparatus |