JPS5610021Y2 - - Google Patents
Info
- Publication number
- JPS5610021Y2 JPS5610021Y2 JP1975071927U JP7192775U JPS5610021Y2 JP S5610021 Y2 JPS5610021 Y2 JP S5610021Y2 JP 1975071927 U JP1975071927 U JP 1975071927U JP 7192775 U JP7192775 U JP 7192775U JP S5610021 Y2 JPS5610021 Y2 JP S5610021Y2
- Authority
- JP
- Japan
- 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
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/24—Automatic control in frequency-selective amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975071927U JPS5610021Y2 (en:Method) | 1975-05-28 | 1975-05-28 | |
| US05/689,948 US4030036A (en) | 1975-05-28 | 1976-05-25 | Bandwidth changing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975071927U JPS5610021Y2 (en:Method) | 1975-05-28 | 1975-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51151508U JPS51151508U (en:Method) | 1976-12-03 |
| JPS5610021Y2 true JPS5610021Y2 (en:Method) | 1981-03-05 |
Family
ID=13474639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975071927U Expired JPS5610021Y2 (en:Method) | 1975-05-28 | 1975-05-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4030036A (en:Method) |
| JP (1) | JPS5610021Y2 (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915141Y2 (ja) * | 1976-12-14 | 1984-05-04 | ヤマハ株式会社 | チユ−ナの信号切換回路 |
| US4356567A (en) * | 1977-06-28 | 1982-10-26 | Pioneer Electronic Corporation | Radio receiver with bandwidth switching |
| US4352208A (en) * | 1980-03-04 | 1982-09-28 | Motorola, Inc. | Automatic IF selectivity for radio receiver system |
| JPS579139A (en) * | 1980-06-19 | 1982-01-18 | Pioneer Electronic Corp | Acoustic device having am stereo receiving function |
| DE3612732A1 (de) * | 1986-04-16 | 1987-10-29 | Blaupunkt Werke Gmbh | Anordnung zum schalten von hochfrequenten signalen |
| JPS6489709A (en) * | 1987-09-30 | 1989-04-04 | Toshiba Corp | Band width variable circuit |
| GB8810048D0 (en) * | 1988-04-28 | 1988-06-02 | Ferguson Ltd | Switching circuity |
| GB9326464D0 (en) * | 1993-12-24 | 1994-02-23 | Philips Electronics Uk Ltd | Receiver having an adjustable bandwidth filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969459A (en) * | 1957-11-14 | 1961-01-24 | Collins Radio Co | Method and means for reducing the threshold of angular-modulation receivers |
| US3633119A (en) * | 1969-12-24 | 1972-01-04 | Microdyne Corp | Intermediate-frequency amplifier with wide-range continuously variable bandwidth selection |
| US3904948A (en) * | 1974-11-18 | 1975-09-09 | John L Earle | Source sensing battery charger |
| US3991374A (en) * | 1975-02-26 | 1976-11-09 | General Electric Company | Controllable bandwidth IF filter circuit for radio receivers |
-
1975
- 1975-05-28 JP JP1975071927U patent/JPS5610021Y2/ja not_active Expired
-
1976
- 1976-05-25 US US05/689,948 patent/US4030036A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51151508U (en:Method) | 1976-12-03 |
| US4030036A (en) | 1977-06-14 |