KR880008467U - Alarm circuit when battery voltage drops - Google Patents

Alarm circuit when battery voltage drops

Info

Publication number
KR880008467U
KR880008467U KR2019860016819U KR860016819U KR880008467U KR 880008467 U KR880008467 U KR 880008467U KR 2019860016819 U KR2019860016819 U KR 2019860016819U KR 860016819 U KR860016819 U KR 860016819U KR 880008467 U KR880008467 U KR 880008467U
Authority
KR
South Korea
Prior art keywords
battery voltage
voltage drops
alarm circuit
alarm
circuit
Prior art date
Application number
KR2019860016819U
Other languages
Korean (ko)
Other versions
KR890006732Y1 (en
Inventor
이흥석
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019860016819U priority Critical patent/KR890006732Y1/en
Publication of KR880008467U publication Critical patent/KR880008467U/en
Application granted granted Critical
Publication of KR890006732Y1 publication Critical patent/KR890006732Y1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Alarm Devices (AREA)
KR2019860016819U 1986-10-31 1986-10-31 Alarm device of battery voltage falling KR890006732Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860016819U KR890006732Y1 (en) 1986-10-31 1986-10-31 Alarm device of battery voltage falling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860016819U KR890006732Y1 (en) 1986-10-31 1986-10-31 Alarm device of battery voltage falling

Publications (2)

Publication Number Publication Date
KR880008467U true KR880008467U (en) 1988-06-29
KR890006732Y1 KR890006732Y1 (en) 1989-09-30

Family

ID=19256694

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860016819U KR890006732Y1 (en) 1986-10-31 1986-10-31 Alarm device of battery voltage falling

Country Status (1)

Country Link
KR (1) KR890006732Y1 (en)

Also Published As

Publication number Publication date
KR890006732Y1 (en) 1989-09-30

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19930329

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee