JPS6424497U - - Google Patents
Info
- Publication number
- JPS6424497U JPS6424497U JP11810887U JP11810887U JPS6424497U JP S6424497 U JPS6424497 U JP S6424497U JP 11810887 U JP11810887 U JP 11810887U JP 11810887 U JP11810887 U JP 11810887U JP S6424497 U JPS6424497 U JP S6424497U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- bit
- terminal device
- communication line
- remote monitoring
- 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
- 238000012806 monitoring device Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Selective Calling Equipment (AREA)
- Alarm Systems (AREA)
Description
第１図は本考案の遠隔監視装置の試験装置の一
実施例を示すブロツク図、第２図は従来の遠隔監
視装置の試験装置の一例を示すブロツク図である
。
１……端末装置、２……監視センタ、３……電
話回線（通信回線）、４１……信号発生器、４２
，５２，５６……スイツチング要素、５１……可
変周波数信号発生器、５４……設定回路、５５…
…増幅器。
FIG. 1 is a block diagram showing an embodiment of a testing device for a remote monitoring device according to the present invention, and FIG. 2 is a block diagram showing an example of a conventional testing device for a remote monitoring device. 1...Terminal device, 2...Monitoring center, 3...Telephone line (communication line), 41...Signal generator, 42
, 52, 56... switching element, 51... variable frequency signal generator, 54... setting circuit, 55...
…amplifier.
Claims (1)
監視する端末装置とこの端末装置を管理する監視
センタとの間に配置され、これらの監視センタと
端末装置を結ぶ通信回線にビツト信号を出力する
遠隔監視装置の試験装置において、前記ビツト信
号の各ビツトを形成するアナログ信号の周波数お
よび信号レベルの少なくとも１つを所定の値に変
更する変更手段と、この変更手段により変更され
た態様のビツト信号を前記通信回線に出力する出
力手段とを設けたことを特徴とする遠隔監視装置
の試験装置。 It is placed between a terminal device that monitors abnormalities in multiple monitored locations in a building and a monitoring center that manages this terminal device, and outputs bit signals to the communication line that connects these monitoring centers and the terminal device. A testing device for a remote monitoring device, comprising a changing means for changing at least one of the frequency and signal level of an analog signal forming each bit of the bit signal to a predetermined value, and a bit signal in a manner changed by the changing means. A testing device for a remote monitoring device, comprising: an output means for outputting the signal to the communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987118108U JPH0525038Y2 (en) | 1987-08-03 | 1987-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987118108U JPH0525038Y2 (en) | 1987-08-03 | 1987-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6424497U true JPS6424497U (en) | 1989-02-09 |
| JPH0525038Y2 JPH0525038Y2 (en) | 1993-06-24 |
Family
ID=31362172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987118108U Expired - Lifetime JPH0525038Y2 (en) | 1987-08-03 | 1987-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0525038Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5431211A (en) * | 1977-08-15 | 1979-03-08 | Hitachi Denshi Ltd | Tester for carrier end office equipment |
| JPS61196632A (en) * | 1985-02-26 | 1986-08-30 | Mitsubishi Electric Corp | Line spurious testing device |
-
1987
- 1987-08-03 JP JP1987118108U patent/JPH0525038Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5431211A (en) * | 1977-08-15 | 1979-03-08 | Hitachi Denshi Ltd | Tester for carrier end office equipment |
| JPS61196632A (en) * | 1985-02-26 | 1986-08-30 | Mitsubishi Electric Corp | Line spurious testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525038Y2 (en) | 1993-06-24 |