JPS5226199A - Alarm range control method - Google Patents
Alarm range control methodInfo
- Publication number
- JPS5226199A JPS5226199A JP50102318A JP10231875A JPS5226199A JP S5226199 A JPS5226199 A JP S5226199A JP 50102318 A JP50102318 A JP 50102318A JP 10231875 A JP10231875 A JP 10231875A JP S5226199 A JPS5226199 A JP S5226199A
- Authority
- JP
- Japan
- Prior art keywords
- control method
- range control
- alarm range
- alarm
- changing
- 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
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Abstract
PURPOSE: Control of the sensing range by changing the amplification characteristic of the receiving amplifier and/or the setting value of the level detector.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50102318A JPS5226199A (en) | 1975-08-23 | 1975-08-23 | Alarm range control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50102318A JPS5226199A (en) | 1975-08-23 | 1975-08-23 | Alarm range control method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5226199A true JPS5226199A (en) | 1977-02-26 |
Family
ID=14324218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50102318A Pending JPS5226199A (en) | 1975-08-23 | 1975-08-23 | Alarm range control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5226199A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49124999A (en) * | 1972-12-22 | 1974-11-29 |
-
1975
- 1975-08-23 JP JP50102318A patent/JPS5226199A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49124999A (en) * | 1972-12-22 | 1974-11-29 |
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