JPS63123200A - Automatic telemetering system utilizing catv circuit - Google Patents

Automatic telemetering system utilizing catv circuit

Info

Publication number
JPS63123200A
JPS63123200A JP26865486A JP26865486A JPS63123200A JP S63123200 A JPS63123200 A JP S63123200A JP 26865486 A JP26865486 A JP 26865486A JP 26865486 A JP26865486 A JP 26865486A JP S63123200 A JPS63123200 A JP S63123200A
Authority
JP
Japan
Prior art keywords
meter reading
meter
automatic
function
system utilizing
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
Application number
JP26865486A
Other languages
Japanese (ja)
Inventor
雄二 松下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP26865486A priority Critical patent/JPS63123200A/en
Publication of JPS63123200A publication Critical patent/JPS63123200A/en
Pending legal-status Critical Current

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は自動検針方式に係夛、特に双方向CATV回線
を利用した自動検針方式に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic meter reading system, and particularly to an automatic meter reading system using a bidirectional CATV line.

〔従来の技術〕[Conventional technology]

従来の自動検針方式は、アドレス判定機能とメータ値の
読取シ機能および検針データの送出機能を有する端末送
信器に対し、起動信号にてメータ値の回答を行う検針用
メータを接続するシステム構成となっていた。
The conventional automatic meter reading system has a system configuration in which a meter reading meter is connected to a terminal transmitter, which has an address determination function, a meter value reading function, and a meter reading data sending function, and a meter reading meter that responds with a meter value using an activation signal. It had become.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上述した従来の自動検針方式では、端末送信器にアドレ
ス判定機能を有するようになっているので、任意にアド
レスが設定可能で、現場設置時にアドレスの設定を行わ
なければならないという問題点がめった。
In the conventional automatic meter reading system described above, the terminal transmitter has an address determination function, so the address can be set arbitrarily, and the problem often arises that the address must be set at the time of on-site installation.

〔問題点を解決するための手段〕[Means for solving problems]

本発明のCATV回線利用自動検針方式は、アドレス判
定機能とデータ送出機能を有する検針用メータが高周波
信号の変復調機能を有するインタフェース装置を経由し
て回線と接続するようにしたものである。
In the automatic meter reading system using a CATV line of the present invention, a meter reading meter having an address determination function and a data sending function is connected to a line via an interface device having a high frequency signal modulation/demodulation function.

〔作用〕[Effect]

本発明においては、検針用メータにアドレス判定機能を
持つことによシ、インタフェース装置の機能としては高
周波の変復調機能だけでよい。
In the present invention, since the meter for meter reading has an address determination function, the only function of the interface device is a high frequency modulation/demodulation function.

〔実施例〕〔Example〕

以下、図面に基づき本発明の実施例を詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

図は本発明の一実施例を示すブロック図である。The figure is a block diagram showing one embodiment of the present invention.

図において、1は検針起動および検針値の処理を行う自
動検針中実装置、2は双方向CATV回線網で、この双
方向CATV回線網2はタップオフ21〜2n を有し
ている。31〜3nは需要家宅で、この需要家宅3□〜
3nには、それぞれ、テレビジョン受像機31□〜31
nとテレビジョン信号を分配する信号分配器321〜3
2nおよび双方向CATV回線網2を伝送路とするため
の高周波信号の変復調を行うインタフェース装置331
〜33nならびにアドレス判定およびメータ値の信号出
力、すなわち、データ送出を行う検針用メータ34□〜
34nが設置てれている。
In the figure, reference numeral 1 denotes an automatic meter-reading device that performs meter-reading activation and processing of meter-read values, and 2 denotes a bidirectional CATV line network, which has tap-offs 21 to 2n. 31~3n are consumer houses, and this consumer house 3□~
3n, television receivers 31□ to 31, respectively.
Signal distributors 321 to 3 that distribute n and television signals
2n and bidirectional CATV network 2 as a transmission path, an interface device 331 performs modulation and demodulation of high frequency signals.
~33n and meter reading meter 34□~ which performs address determination and meter value signal output, that is, data transmission.
34n is installed.

そして、アドレス判定機能とデータ送出機能を有する検
針用メータ341〜34nが高周波信号の変復調機能を
有するインタフェース装置33.〜33nを経由して双
方向CATV回線網2の回線と接続するように構成され
ている。
The meter reading meters 341 to 34n having an address determination function and a data sending function are connected to an interface device 33. which has a high frequency signal modulation/demodulation function. It is configured to be connected to the lines of the bidirectional CATV network 2 via the lines 33n to 33n.

つぎにこの図に示す実施例の動作を説明する。Next, the operation of the embodiment shown in this figure will be explained.

まず、自動検針中実装置1より検針用メータ341を指
定する検針アドレスを高周波で変調し出力すると、双方
向CATV回線網2を介して信号分配器321〜32n
で分配され、インタフェース装置33□〜331mへ入
力式れる。そして、このインタフェース装置33□〜3
3nは高周波信号を復調し、検針用メータ34□〜34
nにそれぞれ復調信号が渡でれ、この検針用メータ34
、〜34nは自己アドレスとのチェックを行い、自動検
針中実装置1からの呼出しアドレスと合った検針用メー
タ34、のみがそのメータ値をインタフェース装置33
1へ出力する。
First, when the automatic meter reading solid device 1 modulates and outputs a meter reading address specifying the meter reading meter 341 with high frequency, it is transmitted to the signal distributors 321 to 32n via the bidirectional CATV line network 2.
and input to the interface devices 33□ to 331m. And this interface device 33□~3
3n demodulates the high frequency signal and connects the meter reading meters 34□ to 34
A demodulated signal is passed to each of n, and this meter 34 for meter reading
, ~34n check with their own address, and only the meter reading meter 34 that matches the calling address from the automatic meter reading solid device 1 transmits its meter value to the interface device 33.
Output to 1.

つぎに、このインタフェース装置331は検針用メータ
34□からの信号を高周波に変調する。そして、このイ
ンタフェース装置331で高周波に信号変換でれた出力
は信号分配器321を通シ、双方向CATV回線網2を
介して自動検針中実装置1へ入力式れ、この自動検針中
実装置1で信号を復調することによシメータ検針を行う
。同様に順次呼出しアドレスを変更していくことによシ
全体の検針を行うことができる。
Next, this interface device 331 modulates the signal from the meter reading meter 34□ into a high frequency. Then, the output signal converted into a high frequency signal by this interface device 331 is inputted to the automatic meter reading solid device 1 via the signal distributor 321 and the two-way CATV line network 2, and this automatic meter reading solid device 1 to perform simeter meter reading by demodulating the signal. Similarly, by sequentially changing the calling address, meter reading for the entire city can be performed.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によれば、検針用メータに
アドレス判定機能を持つことによシ、インタフェース装
置の機能としては高周波の変復調機能だけでよく、すべ
ての需要家に設置するものが同一の装置を使用できる効
果がある。
As explained above, according to the present invention, by providing the meter reading meter with an address determination function, the interface device only needs to have a high-frequency modulation/demodulation function, and it is possible to install the same device at all customers. This has the effect of allowing the use of other devices.

【図面の簡単な説明】[Brief explanation of the drawing]

図は本発明の一実施例を示すブロック図である。 1・・・・自動検針中実装置、2・・・・双方向CAT
V回線網、33□〜33.・・・・インタフェース装置
、34□〜34n・・・・検針用メータ。
The figure is a block diagram showing one embodiment of the present invention. 1... Automatic meter reading solid device, 2... Bidirectional CAT
V line network, 33□-33. ...Interface device, 34□~34n...Meter for meter reading.

Claims (1)

【特許請求の範囲】[Claims] 双方向CATV回線を利用した自動検針方式において、
アドレス判定機能とデータ送出機能を有する検針用メー
タが高周波信号の変復調機能を有するインタフエース装
置を経由して回線と接続することを特徴とするCATV
回線利用自動検針方式。
In the automatic meter reading method using a two-way CATV line,
CATV characterized in that a meter reading meter having an address determination function and a data transmission function is connected to a line via an interface device having a modulation/demodulation function of high frequency signals.
Line-based automatic meter reading method.
JP26865486A 1986-11-13 1986-11-13 Automatic telemetering system utilizing catv circuit Pending JPS63123200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26865486A JPS63123200A (en) 1986-11-13 1986-11-13 Automatic telemetering system utilizing catv circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26865486A JPS63123200A (en) 1986-11-13 1986-11-13 Automatic telemetering system utilizing catv circuit

Publications (1)

Publication Number Publication Date
JPS63123200A true JPS63123200A (en) 1988-05-26

Family

ID=17461550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26865486A Pending JPS63123200A (en) 1986-11-13 1986-11-13 Automatic telemetering system utilizing catv circuit

Country Status (1)

Country Link
JP (1) JPS63123200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207398A (en) * 1990-11-29 1992-07-29 Kyushu Electric Power Co Inc Automatic inspection terminal equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207398A (en) * 1990-11-29 1992-07-29 Kyushu Electric Power Co Inc Automatic inspection terminal equipment

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