GB251240A - Improvements in radio receiving apparatus - Google Patents
Improvements in radio receiving apparatusInfo
- Publication number
- GB251240A GB251240A GB3435/26A GB343526A GB251240A GB 251240 A GB251240 A GB 251240A GB 3435/26 A GB3435/26 A GB 3435/26A GB 343526 A GB343526 A GB 343526A GB 251240 A GB251240 A GB 251240A
- Authority
- GB
- United Kingdom
- Prior art keywords
- house
- mains
- supply
- currents
- direct current
- 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
- 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
- H04B1/1607—Supply circuits
- H04B1/1623—Supply circuits using tubes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Amplifiers (AREA)
Abstract
251,240. Wallace, M. April 27, 1925, [Convention date]. Converting pulsating currents into steady continuous currents.- The filament and plate currents, and grid-biasing potentials, of a multivalve receiving-set are derived from the house mains through a chemical rectifier and smoothing unit capable of being applied directly across either an alternating or direct current supply. Rectifying cells 32 - - 35 comprising aluminium electrodes combined with iron, lead, or platinum electrodes in a borax, or sodium, or ammonium-phosphate electrolyte, are arranged as shown to give full-wave rectification from an AC supply through house-matins 31. The condenser 37 across the rectifying cells is stated to give an increased voltage, whilst chokes 39, 40 and condensers 41, 42 eliminate any hum from the mains. Where the house-mains carry direct current, they may be connected, irrespective of their polarity, across the same terminals as those used for an AC supply.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26207A US1627758A (en) | 1925-04-27 | 1925-04-27 | Radio receiving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB251240A true GB251240A (en) | 1927-05-06 |
Family
ID=21830477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3435/26A Expired GB251240A (en) | 1925-04-27 | 1926-02-06 | Improvements in radio receiving apparatus |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1627758A (en) |
| FR (1) | FR614045A (en) |
| GB (1) | GB251240A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2509216A (en) * | 1945-06-15 | 1950-05-30 | Collins Radio Co | Power supply unit |
-
1925
- 1925-04-27 US US26207A patent/US1627758A/en not_active Expired - Lifetime
-
1926
- 1926-02-06 GB GB3435/26A patent/GB251240A/en not_active Expired
- 1926-03-31 FR FR614045D patent/FR614045A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1627758A (en) | 1927-05-10 |
| FR614045A (en) | 1926-12-04 |
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