JPS637491B2 - - Google Patents
Info
- Publication number
- JPS637491B2 JPS637491B2 JP14716780A JP14716780A JPS637491B2 JP S637491 B2 JPS637491 B2 JP S637491B2 JP 14716780 A JP14716780 A JP 14716780A JP 14716780 A JP14716780 A JP 14716780A JP S637491 B2 JPS637491 B2 JP S637491B2
- Authority
- JP
- Japan
- Prior art keywords
- level
- station
- tuning
- reception
- received
- 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
- 238000007689 inspection Methods 0.000 description 16
- 238000012935 Averaging Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/341—Muting when no signals or only weak signals are present
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
- H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14716780A JPS5769925A (en) | 1980-10-20 | 1980-10-20 | Receiver |
US06/285,440 US4430753A (en) | 1980-07-24 | 1981-07-21 | Radio receiver |
SE8104484A SE454034B (sv) | 1980-07-24 | 1981-07-22 | Radiomottagare |
DE19813129349 DE3129349A1 (de) | 1980-07-24 | 1981-07-24 | Rundfunkempfaenger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14716780A JPS5769925A (en) | 1980-10-20 | 1980-10-20 | Receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5769925A JPS5769925A (en) | 1982-04-30 |
JPS637491B2 true JPS637491B2 (US07122547-20061017-C00273.png) | 1988-02-17 |
Family
ID=15424094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14716780A Granted JPS5769925A (en) | 1980-07-24 | 1980-10-20 | Receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5769925A (US07122547-20061017-C00273.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60132426A (ja) * | 1983-12-21 | 1985-07-15 | Fujitsu Ten Ltd | 電子同調式カ−ラジオの同調方式 |
WO1991008618A1 (en) * | 1989-11-29 | 1991-06-13 | Matsushita Electric Industrial Co., Ltd. | Receiver |
-
1980
- 1980-10-20 JP JP14716780A patent/JPS5769925A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5769925A (en) | 1982-04-30 |