JPS58171184A - Interphone device provided with monitor television - Google Patents
Interphone device provided with monitor televisionInfo
- Publication number
- JPS58171184A JPS58171184A JP5412882A JP5412882A JPS58171184A JP S58171184 A JPS58171184 A JP S58171184A JP 5412882 A JP5412882 A JP 5412882A JP 5412882 A JP5412882 A JP 5412882A JP S58171184 A JPS58171184 A JP S58171184A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- unit
- circuit
- signals
- base unit
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
Description
【発明の詳細な説明】
未発明は上2タテしじ付インターホシ装置に関するもの
であり、その目的とするところは1大の同軸ケーづルに
て子機と親機との間の信号の伝送および親機から子機へ
の電力の供給ができ、配線作業が簡便なモニタテレビ付
インターホン装置を提供すること忙ある〇
第1図は従来のモニタテレビ付インターホン装置の構成
を示すものであり、親機filと子機1りとの間には、
子機(2)のテしピカメラ13)から出力される映像信
号(V、)を伝送する同軸ケーノル(tl)、親機il
+から子機12)に直流電力を供給する電源線(ts)
ム)、親機Il+から子機12)に音声信号(vCI)
を伝送する信号線(t4)、子機(2)から親機il+
に音声信号(Vcm)を伝送する信号線(tl)、子機
(2)から親機Il+に呼出信号(COl)を伝送する
信号線(t6)、子機12)のイyターホシ回路および
テレビカメラ(3)を制御する制御信号(Cot)を親
機illから子機12)K伝送する信ei(tγ)共通
アース線(t@)が配線されていた。図中1.6)ハ押
釦スイッチよりなる呼出スイッチであり、呼出スイッチ
(5)を押すことにより呼出信号(Col )が送出さ
れる。(6)は押釦スイッチよりなる制御スイッチであ
り、制御スイッチ(6)を押すことにより、子機12)
のインターホシ回路およびテレビカメラ(3)を一定時
間作動させる制御信号(Cot)が送出されるo(4)
はモニタテレビであり、テレビカメラ(31で撮像され
た映像が写し出される。(7)はマイク、(8)はスピ
ーカ、(9)けマイク(71′およびスピーカ(8)/
が一体化されたハンドセット、11o+F′iI) C
12Vが出力される電源部である。[Detailed description of the invention] The invention relates to an interhousing device with two vertical connections, and its purpose is to transmit signals between a slave unit and a master unit using one large coaxial cable. Our goal is to provide an intercom device with a monitor TV that can transmit data and supply power from the base unit to the slave unit, and which has simple wiring work. Figure 1 shows the configuration of a conventional intercom device with a monitor TV. , between the parent device fil and the child device 1,
A coaxial cable (TL) that transmits the video signal (V, ) output from the TV camera 13) of the slave unit (2), and a master unit IL.
Power line (ts) that supplies DC power from + to slave unit 12)
audio signal (vCI) from the base unit Il+ to the slave unit 12)
The signal line (t4) that transmits the
The signal line (tl) that transmits the audio signal (Vcm) to the base unit Il+, the signal line (t6) that transmits the calling signal (COl) from the slave unit (2) to the base unit Il+, the interface circuit of the slave unit 12) and the TV A common ground line (t@) was wired to transmit a control signal (Cot) for controlling the camera (3) from the base unit ill to the slave unit 12). In the figure, 1.6) C is a call switch consisting of a push button switch, and a call signal (Col) is sent by pressing the call switch (5). (6) is a control switch consisting of a push button switch, and by pressing the control switch (6),
A control signal (Cot) is sent to operate the interhoch circuit and television camera (3) for a certain period of time (4).
is a monitor television, on which images captured by a television camera (31) are projected. (7) is a microphone, (8) is a speaker, (9) is a microphone (71' and a speaker (8)/
integrated handset, 11o+F'iI) C
This is a power supply section that outputs 12V.
ところで、このような従来例にあっては上述したように
親機111と子機12)との間には多数の配線が施され
ており、配線作業が煩しい上、施工面から見た経済性が
悪いという問題があった□大発明は上記の点に鑑みて為
されたものである。By the way, in such a conventional example, as mentioned above, a large number of wires are installed between the main unit 111 and the slave unit 12), which makes the wiring work complicated and is not economical from the construction point of view. There was a problem of poor performance.□The great invention was made in view of the above points.
以下、実施例について図を用いて説明する。第、ill
は子機12)に設けられた@1の伝送回路であり、テレ
じカメラ13)から出力される映像信号(V、)にて搬
送波f1を変調して映像搬送信号(Vp+)を形成する
映像信号変調回路FI21と、マイク(7)出力を増巾
して音声信号(Vcs)を形成する音声信号増巾回路a
3と、呼出スイッチ11i1 tl−押すことにより音
声同波数よりも高周波数(IOKHz以上)の呼出信号
(COI)を発生する制御信号発生回路(141と、音
声信号(v(t)および呼出信号(Co 1)を混合し
て多重信号(Va)を形成する混合回路tl15)と、
多重信号(Va)にて搬送波fx (f鵞”−、fl)
を変調して音声/呼出搬送信号CVBi)を形成する変
調回路OQとで構成されており、両搬送信号(Vpt)
(Va→け分波混合回路(lfFにて混合され、伝送信
号(Vl)として同軸ケーづル(4)を介して親機il
+に伝送される。割は親機+11に設けられた第2の伝
送回路であり、マイク(7)′出力を増巾して音声信号
(Vcl)を形成する音声信号増巾回路圓と、制御スイ
ッチ(6)を押すことにより音声周波数よりも高周波数
(10KH2,以上す制御信5j(Col)を発生する
制御信号発生回路i2’21と、音声信”t(Vcs)
および制御信e (CO2)を混合して多重信号(Vb
)をff’;成する混合回路内と、多重信号(Vb)に
て搬送波fs(f;’=f1.fS笑fz)を変調して
音声/制御搬送信号(Vb、)を形成する変調回路t2
41とで構成さねており、この搬送信号(Vl)x)は
分配混合回路1頌および分波回路例を介して伝送信号(
V+)として同軸ケーブル(tに送出される。Examples will be described below using figures. No. ill
is a @1 transmission circuit provided in the handset 12), which modulates the carrier wave f1 with the video signal (V,) output from the TV camera 13) to form a video carrier signal (Vp+). A signal modulation circuit FI21 and an audio signal amplification circuit a that amplifies the output of the microphone (7) to form an audio signal (Vcs).
3, a control signal generation circuit (141) that generates a calling signal (COI) of a higher frequency (IOKHz or higher) than the voice frequency by pressing the calling switch 11i1 tl-, a voice signal (v(t)) and a calling signal ( a mixing circuit tl15) that mixes Co1) to form a multiplexed signal (Va);
Carrier wave fx (f鵞”-, fl) in multiplexed signal (Va)
and a modulation circuit OQ that modulates the voice/call carrier signal (CVBi) to form a voice/call carrier signal (CVBi).
(Va→mixed in the branching/mixing circuit (lfF) and sent as a transmission signal (Vl) to the main unit il via the coaxial cable (4)
+ is transmitted. The second transmission circuit is the second transmission circuit installed in the base unit +11, which includes an audio signal amplification circuit that amplifies the output of the microphone (7)' to form an audio signal (Vcl), and a control switch (6). The control signal generating circuit i2'21 generates a control signal 5j (Col) with a higher frequency than the audio frequency (10KH2, or more) by pressing the button, and the audio signal ``t'' (Vcs).
and control signal e (CO2) to form a multiplexed signal (Vb
) and a modulation circuit that modulates the carrier wave fs (f;'=f1.fS(fz)) with the multiplexed signal (Vb) to form the voice/control carrier signal (Vb, ). t2
41, and this carrier signal (Vl)x) is transmitted to the transmission signal (Vl
V+) on the coaxial cable (t).
一方、子機(2)の第1の伝送回路111)に対応して
親機+11に設けられた受信回路(30)は分波回路(
公から出力される映像搬送信号(Vp+)から映像信号
(■、)を復調する映像信号復調回路3υと、分波回路
例および分配混合回路(ハ)を介して出力される音声/
呼出搬送信号(Vat’)を復調する復調回路Gzと、
復調回路(社)から出力される多重信号(va)を分波
して呼出信号(COt)および音声信号(Vcs)を出
力する分波回路−と、呼出13号(COI)に基いて来
客報知手段を制御するとともに親機tl+の各回路を一
定時間動作状態とする制血回路例と、音声信号(V(t
)を増巾してスピーカ+8)′を駆動する音声信号増巾
回路(至)とで構成され、同軸ケーづル(tを介して伝
送される伝送信’jiffs)の各信号を弁別して受信
し、来客報知を行なうとともに七ニターテしピ14)K
テレビカメラ13)にて漫像された映像を写し出し、ス
ピーカt8)′から子機のマイク(7)にて集音された
音声を発声するようになっている。顛は親機+11の第
2の伝送回路迩に対応して子機12)に設けらhた受信
回路であり、分配混合回路−から出力される音声/制御
搬送信号(Vbm)から多重信号(Vb )を復調する
復調回路(任と、多重信号(vb・)を音声信号(VC
+”)と制御信号(COs)とに分波する分波回路+4
’i5と、音声信8 (vcl)を増巾してスピーカ(
8)を駆動する音声信号増巾回路囮と、制御信号(C0
2)に基いて子機121を一定時間作動させる制御回路
4褐とで構成され、同軸ケーづル(2)を介して伝送さ
れる伝送信号(Vl)の各信号を弁別して受信して子機
12)のテしピカメラ(3)、音声信号増巾回路4:1
などの回路を一定時間作動させるとともに、スし一方(
8)から親機11〜のマイク17)′にて集゛音さねた
音声を発声する。wga +to+出力(DCl 2V
)11 千B −クコイL (CH+)を介して同軸ケ
ーブル(力の親機11)側の端部に接続され、また、子
機12)の各回路の電源端子はチョークコイル(CHW
)を介して同軸ケーづル(4)の子機;2+ (lul
lの端部に接続されており、同軸ケーづル(tにて親機
Il+から子機・2)に直流電源(DC12V)が供給
されるようになっている。但し、上述の搬送波f1の同
波数はIOMH!以上に設定され、f鵞+fsは数百K
H。On the other hand, the receiving circuit (30) provided in the base unit +11 corresponding to the first transmission circuit 111) of the slave unit (2) is connected to the branching circuit (111) of the slave unit (2).
The video signal demodulation circuit 3υ demodulates the video signal (■,) from the video carrier signal (Vp+) output from the public, and the audio/video output via the branching circuit example and the distribution/mixing circuit (c).
a demodulation circuit Gz that demodulates the paging carrier signal (Vat');
A branching circuit that branches the multiplexed signal (VA) output from the demodulation circuit and outputs a calling signal (COt) and a voice signal (Vcs), and a visitor notification based on the calling number 13 (COI). An example of a blood control circuit that controls the means and keeps each circuit of the main unit tl+ in an operating state for a certain period of time, and an audio signal (V(t
) and an audio signal amplification circuit (to) that amplifies the signal and drives the speaker+8)', and distinguishes and receives each signal of the transmission 'jiffs' transmitted via the coaxial cable (t). 14) K
The television camera 13) projects a cartoon image, and the speaker t8)' emits the sound collected by the microphone (7) of the handset. The main feature is a receiving circuit installed in the slave unit 12 corresponding to the second transmission circuit of the base unit +11, which converts the multiplexed signal ( A demodulation circuit (Rin) demodulates the multiplexed signal (Vb) and converts it into a voice signal (VC
+”) and control signal (COs) +4
'i5 and voice signal 8 (vcl) are amplified and the speaker (
8) and a control signal (C0
2), the control circuit 4 operates the slave unit 121 for a certain period of time based on Machine 12) TV camera (3), audio signal amplification circuit 4:1
While operating a circuit such as for a certain period of time,
8), the microphone 17)' of the base unit 11-- emits a collected voice. wga +to+ output (DCl 2V
) 11,000B - Kukoi L (CH+) is connected to the end of the coaxial cable (master unit 11) side, and the power terminal of each circuit of the slave unit 12) is connected to the choke coil (CHW).
) via the coaxial cable (4); 2+ (lul
It is connected to the end of I, and DC power (DC12V) is supplied to the coaxial cable (from the master unit Il+ to the slave unit 2 at t). However, the same wave number of the carrier wave f1 mentioned above is IOMH! With the above settings, f + fs is several hundred K.
H.
程度に設定されている。したがって伝送信号(vl)(
V宜)はいずれも高同波信号となるので、直流電源(D
C12V)と伝送信号(Vl) (Vりとけ小すナチ、
El−クコイル(cHs)(CH2)とコニ、Iチシサ
(Ct)(Ci)にて容易に分離できることになる。ま
た、音声信号(VCL)(vc賃)と、呼出信号(CO
t)あるいけ制御信号(COりとを同一の搬送波げりあ
るいけ(f、)を用いて伝送するようにしているので、
変調復調回路の個数が少なくなっている。なお、音声信
@ (VC+) (VCt)と、呼出信% (Cot)
あるいけ制御信号(Cot)とを異った同波数の搬送波
を用いて伝送するようにして本良い。It is set to about. Therefore, the transmitted signal (vl) (
The DC power supply (D
C12V) and transmission signal (Vl) (V Ritoke small nachi,
This means that it can be easily separated by El-Cucoyl (cHs) (CH2) and Koni-Cucoil (Ct) (Ci). In addition, the voice signal (VCL) (vc fee) and the calling signal (CO
t) Since the control signal (CO) is transmitted using the same carrier wave (f,),
The number of modulation and demodulation circuits is reduced. In addition, voice call @ (VC+) (VCt) and calling call% (Cot)
It is preferable to transmit the control signal (Cot) using a different carrier wave having the same wave number.
未発明は上述のように構改されており、子機と小信号、
制御信号を異った同波数の搬送波を用いて周波数多重伝
送するようになっているので、各信号を1木の同軸ケー
ブルにて伝送でき、しかも各信号を搬送波を用いて伝送
するようになっているので、上記同軸ケーブルにて親機
から子機に直流電力を容易に供給でき、子機と親機との
間の配線が1末の同軸ケーブルだけとなり、配線作業が
簡便な七二タテレヒ付イシターホン装置を提供すること
ができるという利点がある。The uninvented device has been restructured as described above, and has a handset and a small signal,
Since control signals are frequency-multiplexed using different carrier waves with the same number of waves, each signal can be transmitted using a single coaxial cable, and each signal can be transmitted using a carrier wave. Therefore, DC power can be easily supplied from the parent unit to the slave unit using the above coaxial cable, and the wiring between the slave unit and the base unit is only the coaxial cable at one end, making the wiring work simple. There is an advantage in that it is possible to provide an integrated intercom device.
第1図は従来例の概略構成図、第2図は本発明一実施例
の概略構成図、第3図は同上のづ0ツク回路図である。
il+は親機、12)け子機、111)園は伝送回路、
(1A(偵は受信回路、(力は同軸ケーブルであるう代
理人 弁理士 石 1)長 七
ΩのさFIG. 1 is a schematic block diagram of a conventional example, FIG. 2 is a schematic block diagram of an embodiment of the present invention, and FIG. 3 is a circuit diagram of the same. il+ is the main unit, 12) the child unit, 111) the transmission circuit,
(1A (detector is the receiving circuit, (power is the coaxial cable) agent patent attorney stone 1) length 7Ω
Claims (1)
メラから出力される映像信号を親機に伝送するとともに
、℃ニタテしじを具備した親機から音声信号および子機
を制御する制御信号を子機に伝送するようKして成るモ
ニタテレビ付インターホン装置において、子機と親機と
を同軸ケーブルにて接続し、音声同波数よりも高量波数
の呼出信号および音声信号と映像信号とをそれぞれ異っ
た同波数の搬送波を用いて伝送する第1の伝送回路を子
機に設けるとともに、音声信号より本高間波数の制御信
号および音声信号を上記両搬送波と異った同波数の搬送
波を用いて伝送する第2の伝送回路を親機に設け、子機
および親機に上記第1 、@2の伝送回路から伝送され
る伝送信号の各信号を弁別して受信する受信回路をそれ
ぞれ設け、上記同軸ケーづルにて画伝送信号を伝送する
とともに親機から子機に直流電力を供給するようにして
成ることを特徴とする七ニタテレビ付インターホシ装+
16Il+ Transmits calling signals, audio signals, and video signals output from the TV camera from the handset to the base unit, and also transmits audio signals and control signals for controlling the slave unit from the base unit equipped with a temperature control unit to the slave unit. In an intercom device with a monitor TV that transmits data, the slave unit and the base unit are connected with a coaxial cable, and a calling signal with a higher wave number than the same audio wave number, and a voice signal and a video signal are transmitted at different frequencies. A first transmission circuit is provided in the handset to transmit using a carrier wave of the same wave number, and a control signal of the main frequency and the audio signal are transmitted from the audio signal using a carrier wave of the same wave number that is different from the above two carrier waves. A second transmission circuit for transmitting data is provided in the base unit, a receiving circuit is provided in the slave unit and the base unit for discriminating and receiving each signal of the transmission signals transmitted from the first and @2 transmission circuits, and the above-mentioned coaxial An interhospital system with a 7-nitter TV, characterized by transmitting image transmission signals through cables and supplying DC power from the parent unit to the slave units.
16
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5412882A JPS58171184A (en) | 1982-03-31 | 1982-03-31 | Interphone device provided with monitor television |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5412882A JPS58171184A (en) | 1982-03-31 | 1982-03-31 | Interphone device provided with monitor television |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58171184A true JPS58171184A (en) | 1983-10-07 |
Family
ID=12961949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5412882A Pending JPS58171184A (en) | 1982-03-31 | 1982-03-31 | Interphone device provided with monitor television |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58171184A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174425A (en) * | 1984-09-20 | 1986-04-16 | Matsushita Electric Ind Co Ltd | Power line carrier transmission reception network system |
JPS61287392A (en) * | 1985-06-13 | 1986-12-17 | Shimizu Constr Co Ltd | Information communication system for gathered dwelling houses |
JPS62175082A (en) * | 1986-01-28 | 1987-07-31 | Sharp Corp | Doorphone camera apparatus |
JPS62257260A (en) * | 1986-04-30 | 1987-11-09 | Sharp Corp | Power transmission equipment |
JPS63156435A (en) * | 1986-12-19 | 1988-06-29 | Sharp Corp | Video sound controlled power multiplexing transmission by balanced two-wire communication cable |
JPH01103086A (en) * | 1987-10-15 | 1989-04-20 | Matsushita Electric Works Ltd | Interphone set with monitor |
JPH01147582U (en) * | 1988-03-31 | 1989-10-12 | ||
JPH01311667A (en) * | 1988-06-09 | 1989-12-15 | Aiphone Co Ltd | Television speech device |
JPH02135854A (en) * | 1988-11-16 | 1990-05-24 | Matsushita Electric Ind Co Ltd | Interphone equipment |
JPH02135855A (en) * | 1988-11-16 | 1990-05-24 | Matsushita Electric Ind Co Ltd | Interphone equipment |
JPH02140048A (en) * | 1988-11-19 | 1990-05-29 | Matsushita Electric Works Ltd | Television interphone system |
JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |
JPH02101653U (en) * | 1989-01-31 | 1990-08-13 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49108918A (en) * | 1972-04-24 | 1974-10-16 | ||
JPS49131621A (en) * | 1973-04-21 | 1974-12-17 |
-
1982
- 1982-03-31 JP JP5412882A patent/JPS58171184A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49108918A (en) * | 1972-04-24 | 1974-10-16 | ||
JPS49131621A (en) * | 1973-04-21 | 1974-12-17 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174425A (en) * | 1984-09-20 | 1986-04-16 | Matsushita Electric Ind Co Ltd | Power line carrier transmission reception network system |
JPS61287392A (en) * | 1985-06-13 | 1986-12-17 | Shimizu Constr Co Ltd | Information communication system for gathered dwelling houses |
JPS62175082A (en) * | 1986-01-28 | 1987-07-31 | Sharp Corp | Doorphone camera apparatus |
JPS62257260A (en) * | 1986-04-30 | 1987-11-09 | Sharp Corp | Power transmission equipment |
JPS63156435A (en) * | 1986-12-19 | 1988-06-29 | Sharp Corp | Video sound controlled power multiplexing transmission by balanced two-wire communication cable |
JPH01103086A (en) * | 1987-10-15 | 1989-04-20 | Matsushita Electric Works Ltd | Interphone set with monitor |
JPH01147582U (en) * | 1988-03-31 | 1989-10-12 | ||
JPH01311667A (en) * | 1988-06-09 | 1989-12-15 | Aiphone Co Ltd | Television speech device |
JPH02135854A (en) * | 1988-11-16 | 1990-05-24 | Matsushita Electric Ind Co Ltd | Interphone equipment |
JPH02135855A (en) * | 1988-11-16 | 1990-05-24 | Matsushita Electric Ind Co Ltd | Interphone equipment |
JPH02140048A (en) * | 1988-11-19 | 1990-05-29 | Matsushita Electric Works Ltd | Television interphone system |
JPH02196586A (en) * | 1989-01-26 | 1990-08-03 | Matsushita Electric Ind Co Ltd | Television doorphone equipment |
JPH02101653U (en) * | 1989-01-31 | 1990-08-13 |
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