JPH0332789U - - Google Patents
Info
- Publication number
- JPH0332789U JPH0332789U JP9204589U JP9204589U JPH0332789U JP H0332789 U JPH0332789 U JP H0332789U JP 9204589 U JP9204589 U JP 9204589U JP 9204589 U JP9204589 U JP 9204589U JP H0332789 U JPH0332789 U JP H0332789U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- signal
- converts
- frequency
- switch
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図はＡＭ信号をＡ−Ｄ変換のために周波数変換す
る説明図、第３図乃至第５図はＡＭ信号をＡ−Ｄ
変換するための構成例のブロツク図、第６図はＦ
Ｍ信号をＡＭ信号に変換するための構成例のブロ
ツク図、第７図は従来の複合型音響装置のブロツ
ク図である。
３……デイジタル信号源再生部、４……Ｄ−Ａ
変換器、６……出力増幅器、７……スピーカ、８
……ＡＭフロントエンド、９……ＦＭフロントエ
ンド、１０……周波数変換器、１１……ＦＭ−Ａ
Ｍ変換器、１２……周波数変換器、１３……スイ
ツチ、１４……Ａ−Ｄ変換器、１５……デイジタ
ルスイツチ。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is an explanatory diagram of frequency conversion of an AM signal for A-D conversion.
A block diagram of a configuration example for conversion, Figure 6 is F
FIG. 7 is a block diagram of an example of a configuration for converting an M signal into an AM signal. FIG. 7 is a block diagram of a conventional composite acoustic device. 3...Digital signal source reproducing section, 4...D-A
Converter, 6... Output amplifier, 7... Speaker, 8
...AM front end, 9...FM front end, 10...frequency converter, 11...FM-A
M converter, 12... Frequency converter, 13... Switch, 14... A-D converter, 15... Digital switch.
Claims (1)
源再生部とを具備する複合型音響装置において、 上記ＡＭ受信部により受信された第１のＡＭ信
号の周波数を上記デイジタル信号源再生部のクロ
ツクに対応した周波数に変換する周波数変換回路
と、 上記ＦＭ受信部により受信されたＦＭ受信信号
を第２のＡＭ信号に変換するＦＭ−ＡＭ変換器と
、 上記周波数変換回路の出力信号とＦＭ−ＡＭ変
換器の出力信号とを選択する第１のスイツチと、 該第１のスイツチにより選択された信号をデイ
ジタル信号に変換するＡ−Ｄ変換器と、 上記デイジタル信号源再生部の出力とＡ−Ｄ変
換器の出力とを選択する第２のスイツチと、 該第２のスイツチにより選択されたデイジタル
信号をアナログ信号に変換するＤ−Ａ変換器と、 を備えたことを特徴とする複合型音響装置。[Claims for Utility Model Registration] In a composite audio device comprising an AM receiving section, an FM receiving section, and a digital signal source reproducing section, the frequency of the first AM signal received by the AM receiving section is set as above. a frequency conversion circuit that converts the frequency to a frequency corresponding to the clock of the digital signal source reproducing section; an FM-AM converter that converts the FM reception signal received by the FM reception section into a second AM signal; and the frequency conversion circuit. a first switch that selects the output signal of the FM-AM converter and an output signal of the FM-AM converter; an A-D converter that converts the signal selected by the first switch into a digital signal; and a D-A converter that converts the digital signal selected by the second switch into an analog signal. Composite sound device with special features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9204589U JPH087597Y2 (en) | 1989-08-04 | 1989-08-04 | Combined acoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9204589U JPH087597Y2 (en) | 1989-08-04 | 1989-08-04 | Combined acoustic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0332789U true JPH0332789U (en) | 1991-03-29 |
| JPH087597Y2 JPH087597Y2 (en) | 1996-03-04 |
Family
ID=31641492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9204589U Expired - Lifetime JPH087597Y2 (en) | 1989-08-04 | 1989-08-04 | Combined acoustic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087597Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024959A (en) * | 2001-07-17 | 2003-01-28 | Fuji Clean Kogyo Kk | Method and apparatus for treating wastewater |
| JP2008279446A (en) * | 2008-07-07 | 2008-11-20 | Hitachi Housetec Co Ltd | Combination treatment septic tank |
-
1989
- 1989-08-04 JP JP9204589U patent/JPH087597Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024959A (en) * | 2001-07-17 | 2003-01-28 | Fuji Clean Kogyo Kk | Method and apparatus for treating wastewater |
| JP2008279446A (en) * | 2008-07-07 | 2008-11-20 | Hitachi Housetec Co Ltd | Combination treatment septic tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087597Y2 (en) | 1996-03-04 |