ES458490A1 - Receptor de radio con sintonizacion de voltaje. - Google Patents
Receptor de radio con sintonizacion de voltaje.Info
- Publication number
- ES458490A1 ES458490A1 ES458490A ES458490A ES458490A1 ES 458490 A1 ES458490 A1 ES 458490A1 ES 458490 A ES458490 A ES 458490A ES 458490 A ES458490 A ES 458490A ES 458490 A1 ES458490 A1 ES 458490A1
- Authority
- ES
- Spain
- Prior art keywords
- voltage
- radio receivers
- low voltage
- tuned radio
- band
- 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
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Receptor de radio con sintonización de voltaje para su uso con un suministro de bajo voltaje, que comprende la combinación de una etapa de entrada de radiofrecuencia en forma de filtro de paso bajo destinado a atenuar señales a frecuencias superiores a la de la banda deseada, un primer oscilador local con sintonización de voltaje para oscilar a una frecuencia variable en una banda superior a la requerida banda de radiofrecuencia.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1854376A GB1581632A (en) | 1976-05-06 | 1976-05-06 | Voltage tuned radio receivers for low voltage supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES458490A1 true ES458490A1 (es) | 1978-04-01 |
Family
ID=10114247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES458490A Expired ES458490A1 (es) | 1976-05-06 | 1977-05-05 | Receptor de radio con sintonizacion de voltaje. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS52135609A (es) |
| DE (1) | DE2719966A1 (es) |
| ES (1) | ES458490A1 (es) |
| FR (1) | FR2350739A1 (es) |
| GB (1) | GB1581632A (es) |
| IT (1) | IT1078184B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9804708D0 (en) * | 1998-03-05 | 1998-04-29 | Nec Technologies Uk Ltd | Radio transmitter/reciever channel selection |
-
1976
- 1976-05-06 GB GB1854376A patent/GB1581632A/en not_active Expired
-
1977
- 1977-04-29 FR FR7713630A patent/FR2350739A1/fr active Granted
- 1977-05-04 IT IT4925277A patent/IT1078184B/it active
- 1977-05-04 JP JP5084077A patent/JPS52135609A/ja active Pending
- 1977-05-04 DE DE19772719966 patent/DE2719966A1/de not_active Withdrawn
- 1977-05-05 ES ES458490A patent/ES458490A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1581632A (en) | 1980-12-17 |
| JPS52135609A (en) | 1977-11-12 |
| FR2350739A1 (fr) | 1977-12-02 |
| DE2719966A1 (de) | 1977-11-17 |
| IT1078184B (it) | 1985-05-08 |
| FR2350739B1 (es) | 1980-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19990301 |