JPH01122641U - - Google Patents
Info
- Publication number
- JPH01122641U JPH01122641U JP1848788U JP1848788U JPH01122641U JP H01122641 U JPH01122641 U JP H01122641U JP 1848788 U JP1848788 U JP 1848788U JP 1848788 U JP1848788 U JP 1848788U JP H01122641 U JPH01122641 U JP H01122641U
- Authority
- JP
- Japan
- Prior art keywords
- field strength
- difference signal
- electric field
- stereo receiver
- gain
- 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.)
- Granted
Links
- 230000005684 electric field Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第１図は本考案によるＦＭステレオ受信機の構
成を示すブロツク図、第２図は電界強度検出器出
力、利得および分離度と電界強度の関係を示す図
、第３図は従来の音場拡大装置の構成を示すブロ
ツク図である。
１……ＦＭステレオチユーナ、２……電界強度
検出器、３……利得制御回路、ＯＰ１，ＯＰ２，
ＯＰ５，ＯＰ６……反転増幅器、ＯＰ３，ＯＰ４
……差動増幅器、Ｃ１〜Ｃ４……コンデンサ、ｒ
１〜ｒ８……抵抗。
Figure 1 is a block diagram showing the configuration of the FM stereo receiver according to the present invention, Figure 2 is a diagram showing the relationship between field strength detector output, gain, degree of separation, and field strength, and Figure 3 is a conventional sound field expansion. FIG. 2 is a block diagram showing the configuration of the device. 1...FM stereo tuner, 2...Field strength detector, 3...Gain control circuit, OP1, OP2,
OP5, OP6...Inverting amplifier, OP3, OP4
... Differential amplifier, C 1 to C 4 ... Capacitor, r
1 to r8 ...Resistance.
Claims (1)
をそれぞれ重畳して出力するＦＭステレオ受信機
において、 (a) 受信電界強度に応じる出力を発生する電界
強度検出手段、および (b) 該電界強度出力に応じて、上記差信号の高
域成分の利得を制御する利得制御手段 を含むことを特徴とするＦＭステレオ受信機。[Claims for Utility Model Registration] In an FM stereo receiver that superimposes and outputs high-frequency components of the difference signal between the left and right signals, respectively, (a) an electric field strength that generates an output corresponding to the received electric field strength; An FM stereo receiver comprising: a detection means; and (b) a gain control means for controlling the gain of the high frequency component of the difference signal in accordance with the field strength output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1848788U JPH0635562Y2 (en) | 1988-02-15 | 1988-02-15 | Sound field expansion device for stereo receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1848788U JPH0635562Y2 (en) | 1988-02-15 | 1988-02-15 | Sound field expansion device for stereo receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01122641U true JPH01122641U (en) | 1989-08-21 |
| JPH0635562Y2 JPH0635562Y2 (en) | 1994-09-14 |
Family
ID=31233181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1848788U Expired - Lifetime JPH0635562Y2 (en) | 1988-02-15 | 1988-02-15 | Sound field expansion device for stereo receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635562Y2 (en) |
-
1988
- 1988-02-15 JP JP1848788U patent/JPH0635562Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635562Y2 (en) | 1994-09-14 |