JPS5226199A - Alarm range control method - Google Patents

Alarm range control method

Info

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
Application number
JP50102318A
Other languages
Japanese (ja)
Inventor
Satoru Yamaguchi
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.)
DAIKO ELECTRON KK
Original Assignee
DAIKO ELECTRON KK
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 DAIKO ELECTRON KK filed Critical DAIKO ELECTRON KK
Priority to JP50102318A priority Critical patent/JPS5226199A/en
Publication of JPS5226199A publication Critical patent/JPS5226199A/en
Pending legal-status Critical Current

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
JP50102318A 1975-08-23 1975-08-23 Alarm range control method Pending JPS5226199A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124999A (en) * 1972-12-22 1974-11-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124999A (en) * 1972-12-22 1974-11-29

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