JPS6315653U - - Google Patents
Info
- Publication number
- JPS6315653U JPS6315653U JP10911286U JP10911286U JPS6315653U JP S6315653 U JPS6315653 U JP S6315653U JP 10911286 U JP10911286 U JP 10911286U JP 10911286 U JP10911286 U JP 10911286U JP S6315653 U JPS6315653 U JP S6315653U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- filter
- filter group
- multiplex communication
- communication circuit
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第１図及び第２図は本考案の実施例を示し、第
１図はブロツク図、第２図はフイルタの特性図、
第３図は従来の送線路における入出力端末回路を
示す回路図、第４図は特開昭５９―１２８８９５
号公報に記載されているＦＤＭ方式の周波数スペ
クトル図である。
１……第１のフイルタ群、２……第１の加算回
路、３……ハイブリツド回路、４……第２のフイ
ルタ群、５，６……第２の加算回路。
1 and 2 show an embodiment of the present invention, FIG. 1 is a block diagram, FIG. 2 is a filter characteristic diagram,
Figure 3 is a circuit diagram showing the input/output terminal circuit in a conventional transmission line, and Figure 4 is a circuit diagram based on Japanese Patent Application Laid-Open No. 59-128895.
FIG. 2 is a frequency spectrum diagram of the FDM method described in the publication. 1... First filter group, 2... First addition circuit, 3... Hybrid circuit, 4... Second filter group, 5, 6... Second addition circuit.
Claims (1)
とを夫々重複しない複数の周波数帯域に分離する
第１のフイルタ群と、この第１のフイルタ群から
の各出力を合成する第１の加算回路と、受信した
信号を前記第１のフイルタ群と同一の通過帯域で
分離する第２のフイルタ群と、この第２のフイル
タ群の各出力をステレオ信号の左信号と右信号と
に夫々合成して出力する第２の加算回路とを備え
ていることを特徴とする多重通信回路。 (2) 前記第１のフイルタ群と第２のフイルタ群
には、ステレオ信号の左信号と右信号のうち一方
の信号をろ波すべき中低域バンドパスフイルタ及
びハイパスフイルタと、他方の信号をろ波すべき
中高域バンドパスフイルタ及びローパスフイルタ
とが含まれていることを特徴とする実用新案登録
請求の範囲第１項記載の多重通信回路。 (3) 前記第１のフイルタ群と第２のフイルタ群
とを共用するとともに送受信の切り替えに連動し
てこれを送信用または受信用として切り替え使用
するようにしたことを特徴とする実用新案登録請
求の範囲第１項記載の多重通信回路。[Claims for Utility Model Registration] (1) A first filter group that separates the left signal and right signal of the stereo signal to be transmitted into a plurality of non-overlapping frequency bands, and each filter group from the first filter group. a first adder circuit that combines the outputs; a second filter group that separates the received signal in the same passband as the first filter group; A multiplex communication circuit characterized by comprising a second addition circuit that combines and outputs a signal and a right signal, respectively. (2) The first filter group and the second filter group include a mid-low band pass filter and a high pass filter that filter one of the left and right signals of the stereo signal, and a high pass filter that filters the other signal. 2. The multiplex communication circuit according to claim 1, characterized in that the multiplex communication circuit includes a mid-high frequency band pass filter and a low pass filter for filtering. (3) A request for registration of a utility model characterized in that the first filter group and the second filter group are used in common, and are switched between transmitting and receiving in conjunction with switching between transmitting and receiving. The multiplex communication circuit according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10911286U JPS6315653U (en) | 1986-07-16 | 1986-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10911286U JPS6315653U (en) | 1986-07-16 | 1986-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6315653U true JPS6315653U (en) | 1988-02-02 |
Family
ID=30986920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10911286U Pending JPS6315653U (en) | 1986-07-16 | 1986-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6315653U (en) |
-
1986
- 1986-07-16 JP JP10911286U patent/JPS6315653U/ja active Pending
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