JPS62219862A - Incoming signal generating circuit of captain receiver - Google Patents
Incoming signal generating circuit of captain receiverInfo
- Publication number
- JPS62219862A JPS62219862A JP61062896A JP6289686A JPS62219862A JP S62219862 A JPS62219862 A JP S62219862A JP 61062896 A JP61062896 A JP 61062896A JP 6289686 A JP6289686 A JP 6289686A JP S62219862 A JPS62219862 A JP S62219862A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- captain
- signal
- incoming signal
- receiver
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、キャプテン受信機の上り信号生成−路に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to an upstream signal generation path for a captain receiver.
「従来の技術」
キャプテン放送は電話回線を利用するものであるから、
第２図に示すように、通常は電話回線（１）が切換スイ
ッチ（２）の一方の接点（３）に切換わり電話器（４）
に結合されている。ここで、キャプテン受信機（５）を
オンにすると、前記切換スイッチ（２）は他方の接点（
６）に切換わる。すると、キャプテンセンターから電話
回線（１）を介して入力したいわゆる下り信号は変復調
回路（７）で復調され、信号入出力回路（８）を経てＣ
Ｐ Ｕ （９）へ送られ、ここで処理され、さらに表示
制御回路（１０）、 Ｄ−Ａ変換回路（１１）を経てモ
ニタＴＶへ送られる。``Conventional technology'' Since Captain Broadcasting uses telephone lines,
As shown in Figure 2, normally the telephone line (1) is switched to one contact (3) of the changeover switch (2) and the telephone set (4)
is combined with Here, when the captain receiver (5) is turned on, the changeover switch (2) switches to the other contact (
6). Then, the so-called downlink signal input from the captain center via the telephone line (1) is demodulated by the modulation/demodulation circuit (7), and sent to the C through the signal input/output circuit (8).
The signal is sent to the P U (9), processed there, and further sent to the monitor TV via the display control circuit (10) and the DA conversion circuit (11).
リモコン（１２）から受光器（１３）を経て入力された
データまたは本体キーボード（１４）から入力されたデ
ータは、ＣＰ Ｕ （９）、信号入出力回路（８）を経
て変復調回路（７）で７５Ｂａｕｄの周波数変調信号と
なりこれがいわゆる上り信号として電話回線（１）を経
てキャプテンセンターへ送出される。Data input from the remote control (12) via the receiver (13) or data input from the main body keyboard (14) is sent to the modulation/demodulation circuit (7) via the CPU (9) and the signal input/output circuit (8). This becomes a frequency modulated signal of 75 Baud and is sent to the captain center via the telephone line (1) as a so-called up signal.
［発明が解決しようとする問題点」
上述のように、キャプテン受信機（５）をオンすると、
ｆ！１話器（４）は全く不使用状態になるばかりか、電
話器（４）が入力機として機能するにも拘らずキャプテ
ン受信機（５）にも入力機としてのりモコン（１２）、
受光器（１３）、本体キーボード（１４）などを必要と
し、同一機能の装置が里腹するという問題があった。[Problem to be solved by the invention] As mentioned above, when the captain receiver (5) is turned on,
f! Not only does the first phone (4) become completely unused, but even though the phone (4) functions as an input device, it also functions as an input device for the captain's receiver (5), and the remote control (12).
This requires a light receiver (13), a main body keyboard (14), etc., and there is a problem that devices with the same functions are required.
「問題点を解決するための手段」
本発明は上述のような問題点を解決するためになされた
もので、電話回線を切換スイッチにより切換えて電話器
とキャプテン受信機とに選択的結合してなる回路におい
て、前記電話器と切換スイッチとの間に、前記切換スイ
ッチをキャプテン受信機側へ切換えたとき電源に結合す
るための電源スイッチを接続するとともに、電話器から
の入力信号を周波数判別して上り信号を生成して変復調
回路へ送出する上り信号生成回路を接続してなるもので
ある。"Means for Solving the Problems" The present invention has been made to solve the above-mentioned problems.The present invention has been made in order to solve the above-mentioned problems. In this circuit, a power switch is connected between the telephone and the changeover switch for connecting to the power supply when the changeover switch is switched to the captain receiver side, and the frequency of the input signal from the telephone is determined. An upstream signal generating circuit is connected to the upstream signal generating circuit, which generates an upstream signal and sends it to the modulation/demodulation circuit.
「作用」
キャプテン受信機をオンすると、切換スイッチは電話器
側の接点からキャプテン受信機側の接点に切換り、キャ
プテンセンターからの信号が入力し、復調されモニタＴ
Ｖで映し出される。前記切換スイッチの切換えに連動し
て電源スイッチが電話器側へ結合され、電話器は電話回
線が切れても作動状態となる。ここで、電話器のキーボ
ードを利用して信号を入力すると、入力されたトーン信
号は周波数判別され、判別されたデータに相応した８ビ
ツト構成の上り信号が生成される。この信号が変復調回
路で変調されて、いわゆる上り信号となり、これが電話
回線を介してキャプテンセンターへ送出される。"Operation" When the captain receiver is turned on, the changeover switch switches from the contact on the telephone side to the contact on the captain receiver side, and the signal from the captain center is input, demodulated, and displayed on the monitor T.
It is displayed in V. In conjunction with the switching of the changeover switch, the power switch is connected to the telephone set, and the telephone set remains in an operating state even if the telephone line is disconnected. Here, when a signal is input using the keyboard of the telephone, the frequency of the input tone signal is determined, and an upstream signal having an 8-bit configuration corresponding to the determined data is generated. This signal is modulated by a modulation/demodulation circuit to become a so-called uplink signal, which is sent to the captain center via a telephone line.
「実施例」 以下、本発明の一実施例を図面に基き説明する。"Example" Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図において、（１）は電話回線、（４）は電話器で
、これらは切換スイッチ（２）の一方の接点（３）を介
し、て結合されている。また、切換スイッチ（２）の他
方の接点（６）にはキャプテン受信機（５）の変復調回
路（７）が結合されている。前記電話器（４）と一方の
接点（３）の間に、電源スイッチ（１５）を介して電源
回路（１６）が結合されている。この電源スイッチ（１
５）は前記切換スイッチ（２）と連動し、この切換スイ
ッチ（２）が他方の接点（６）に切換ったときオンして
電源回路（１６）に結合される。In FIG. 1, (1) is a telephone line, (4) is a telephone set, and these are connected through one contact (3) of a changeover switch (2). Further, the other contact (6) of the changeover switch (2) is coupled to a modulation/demodulation circuit (7) of the captain receiver (5). A power circuit (16) is connected between the telephone (4) and one contact (3) via a power switch (15). This power switch (1
5) is interlocked with the changeover switch (2), and when the changeover switch (2) switches to the other contact (6), it is turned on and connected to the power supply circuit (16).
前記変復調回路（７）は、信号入出力回路（８）を介し
てＣＰ Ｕ （９）に結合され、また、このＣＰ Ｕ
（９）は、ＲＯＭ （１７）、ＲＡ Ｍ （１８）、キ
ャラクタ発生ＲＯＭ （１９）、表示制御回路（１０）
、表示ＲＡ Ｍ （２０）に結合され、前記表示制御
回路（１０）はＤ−Ａ変換回路（１１）を介してＲ，Ｇ
、Ｂ、および輝度信号がモニタＴＶへ出力される。（２
１）は同期信号発生回路である。The modulation/demodulation circuit (7) is coupled to the CPU (9) via a signal input/output circuit (8), and the CPU
(9) is ROM (17), RAM (18), character generation ROM (19), display control circuit (10)
, and a display RAM (20), and the display control circuit (10) converts R, G through a D-A conversion circuit (11).
, B, and the luminance signal are output to the monitor TV. (2
1) is a synchronization signal generation circuit.
前記切換スイッチ（２）の一方の接点（３）にはまた。Also, one contact (3) of the changeover switch (2).
周波数判別回路（２２）と上り信号生成回路（２３）が
結合されている６前記回路（２３）はＣＰ Ｕ （９）
の中でも処理可能である。6 The circuit (23) in which the frequency discrimination circuit (22) and the uplink signal generation circuit (23) are combined is a CPU (9).
It is possible to process even among
以上のような構成において１通常は切換スイッチ（２）
が一方の接点（３）に接続され、かつ電源スイッチ（１
５）はオフしている。したがって、電話回線（１）と電
話器（４）が結合され、通常のｆ！！話器として機能す
る。In the above configuration, 1 is usually a selector switch (2)
is connected to one contact (3), and the power switch (1
5) is off. Therefore, the telephone line (1) and the telephone set (4) are combined and the normal f! ! Functions as a speaker.
ここで、キャプテン受信機（５）をオンすると、切換ス
イッチ（２）は他方の接点（６）に切換ねるとともに、
電源スイッチ（１５）がオンする。キャプテンセンター
から電話回線（１）により送られてきた下り信号のデー
タは、これまでと同様、変復調回路（７）で復調され、
信号入出力回路（８）を経てＣＰＵ（９）に送られ、さ
らに表示制御回路（１０）、Ｄ−Ａ変換回路（１１）を
経てモニタＴＶへ送られて映像が映し出される。１！話
器（４）は電源回路（１６）に結合されているので作動
可能であるから、上り信号は、電話器（４）の数字キー
と実行キーを使用して周波数判別回路（２２）へ送り、
入力したトーン信号をデータ分析し、上り信号生成回路
（２３）でデータに対応した８ビツト構成の上り信号を
生成し、これを信号入出力回路（８）を経て変復調回路
（７）へ送り、ここで変調されて上り信号となって、電
話回線（１）を通、リキャブテンセンターへ送り出す。Here, when the captain receiver (5) is turned on, the changeover switch (2) switches to the other contact (6), and
The power switch (15) is turned on. The data of the downlink signal sent from the captain center via the telephone line (1) is demodulated by the modulation/demodulation circuit (7) as before.
The signal is sent to the CPU (9) via the signal input/output circuit (8), and further sent to the monitor TV via the display control circuit (10) and the D-A conversion circuit (11), where the image is displayed. 1! Since the telephone set (4) is connected to the power supply circuit (16) and is therefore operational, the upstream signal is sent to the frequency discrimination circuit (22) using the number keys and execution key of the telephone set (4). ,
The input tone signal is data analyzed, an upstream signal generation circuit (23) generates an 8-bit upstream signal corresponding to the data, and this is sent to the modulation/demodulation circuit (7) via the signal input/output circuit (8). Here, it is modulated and becomes an upstream signal, which is then sent to the recall center through the telephone line (1).
「発明の効果」
本発明は上述のように構成したので、従来は上り信号を
本体キーボードやリモコンから入力していたのを、電話
器のキーボードで入力でき、したがって、本体キーボー
ド、リモコン、リモコン信号受光部などを省略でき、安
価なシステムを提供できる。"Effects of the Invention" Since the present invention is configured as described above, upstream signals that were conventionally input from the main body keyboard or remote control can be input using the telephone keyboard. A light receiving section etc. can be omitted and an inexpensive system can be provided.
第１図は本発明による上り信号生成回路のブロック図、
第２図は従来の回路のブロック図である。
（１）・・・電話回線、（２）・・・切換スイッチ、（
３）（６）・・・接点、（４）・・・電話器、（５）・
・・キャプテン受信機、（７）・・・変復調回路、（８
）・・・信号入出力回路、（９）・・・ＣＰＵ、（１２
）・・・リモコン、 （１３）・・・受光器、（１４）
・・・本体キーボード、 （１５）・・・電源スイッチ
、（１６）・・・電源回路、（２２）・・・周波数判別
回路、 （２３）・・・上り信号生成回路。FIG. 1 is a block diagram of an upstream signal generation circuit according to the present invention,
FIG. 2 is a block diagram of a conventional circuit. (1)...Telephone line, (2)...Selector switch, (
3) (6)...Contact, (4)...Telephone, (5)...
... Captain receiver, (7) ... Modulation/demodulation circuit, (8
)...Signal input/output circuit, (9)...CPU, (12
)...Remote control, (13)...Receiver, (14)
... main body keyboard, (15) ... power switch, (16) ... power supply circuit, (22) ... frequency discrimination circuit, (23) ... upstream signal generation circuit.
Claims (1)
キャプテン受信機とに選択的に結合してなる回路におい
て、前記電話器と切換スイッチとの間に、前記切換スイ
ッチをキャプテン受信機側へ切換えたとき電源に結合す
るための電源スイッチを接続するとともに、電話器から
の入力信号を周波数判別して上り信号を生成して変復調
回路へ送出する上り信号生成回路を接続してなることを
特徴とするキャプテン受信機の上り信号生成回路。(1) In a circuit in which a telephone line is switched by a changeover switch and selectively connected to a telephone and a captain receiver, the changeover switch is switched to the captain receiver between the telephone and the changeover switch. The device is characterized by being connected to a power switch for coupling to a power supply when the telephone is in use, as well as an upstream signal generation circuit that determines the frequency of the input signal from the telephone, generates an upstream signal, and sends it to the modulation/demodulation circuit. Captain receiver's upstream signal generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062896A JPS62219862A (en) | 1986-03-20 | 1986-03-20 | Incoming signal generating circuit of captain receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61062896A JPS62219862A (en) | 1986-03-20 | 1986-03-20 | Incoming signal generating circuit of captain receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62219862A true JPS62219862A (en) | 1987-09-28 |
Family
ID=13213464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61062896A Pending JPS62219862A (en) | 1986-03-20 | 1986-03-20 | Incoming signal generating circuit of captain receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62219862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01236873A (en) * | 1988-03-17 | 1989-09-21 | Erubetsukusu Video Kk | Closed circuit television system |
-
1986
- 1986-03-20 JP JP61062896A patent/JPS62219862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01236873A (en) * | 1988-03-17 | 1989-09-21 | Erubetsukusu Video Kk | Closed circuit television system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62219862A (en) | Incoming signal generating circuit of captain receiver | |
| JPH10164275A (en) | Telephone system, modem, computer system and communication terminal | |
| JPS62199155A (en) | Communication equipment | |
| KR0162239B1 (en) | Trs device with double protocol | |
| KR0149713B1 (en) | Device and method of mode change of communication machinery for transmitting/receiving of voice and message | |
| KR0118566Y1 (en) | Roundabout calling circuit of two line videophone | |
| JP2518238B2 (en) | Video phone | |
| JPS63155882A (en) | Captain and teletext receiver | |
| JPH0287759A (en) | Information transmission system | |
| KR950009563B1 (en) | Hand-free cellular phone | |
| JPH05284491A (en) | Video telephone system | |
| KR100189247B1 (en) | Voice communication device using source line | |
| JPH066466A (en) | Extension terminal controller | |
| JPS63155890A (en) | Display switching device | |
| JPH0338187A (en) | Television telephone set with superimposing function | |
| JPH04137967A (en) | Still picture television telephone set | |
| JPH01117487A (en) | Stational picture visual telephone equipment | |
| JPS6273852A (en) | Adaptor for communication system | |
| JPS6271369A (en) | Modulator, and demodulator with talking function | |
| JPH02231858A (en) | Voice picture communication system | |
| JPH05260205A (en) | Data transmission equipment | |
| JPS6178262A (en) | Information terminal equipment | |
| JP2000201301A (en) | Transmitter for distributing video and sound | |
| JPS62210536A (en) | Audio response system | |
| JPH04165834A (en) | Confidential communication device |