KR910013339U - Call circuit for security - Google Patents

Call circuit for security

Info

Publication number
KR910013339U
KR910013339U KR2019890020585U KR890020585U KR910013339U KR 910013339 U KR910013339 U KR 910013339U KR 2019890020585 U KR2019890020585 U KR 2019890020585U KR 890020585 U KR890020585 U KR 890020585U KR 910013339 U KR910013339 U KR 910013339U
Authority
KR
South Korea
Prior art keywords
security
call circuit
call
circuit
Prior art date
Application number
KR2019890020585U
Other languages
Korean (ko)
Other versions
KR920005402Y1 (en
Inventor
오종인
Original Assignee
금성하니웰 주식회사
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 금성하니웰 주식회사 filed Critical 금성하니웰 주식회사
Priority to KR2019890020585U priority Critical patent/KR920005402Y1/en
Publication of KR910013339U publication Critical patent/KR910013339U/en
Application granted granted Critical
Publication of KR920005402Y1 publication Critical patent/KR920005402Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
KR2019890020585U 1989-12-29 1989-12-29 A communication circuit for night securities KR920005402Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890020585U KR920005402Y1 (en) 1989-12-29 1989-12-29 A communication circuit for night securities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890020585U KR920005402Y1 (en) 1989-12-29 1989-12-29 A communication circuit for night securities

Publications (2)

Publication Number Publication Date
KR910013339U true KR910013339U (en) 1991-07-30
KR920005402Y1 KR920005402Y1 (en) 1992-08-08

Family

ID=19294627

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890020585U KR920005402Y1 (en) 1989-12-29 1989-12-29 A communication circuit for night securities

Country Status (1)

Country Link
KR (1) KR920005402Y1 (en)

Also Published As

Publication number Publication date
KR920005402Y1 (en) 1992-08-08

Similar Documents

Publication Publication Date Title
DE69031729D1 (en) MODULATOR CIRCUIT
DE59005957D1 (en) STARTER PROTECTION CIRCUIT.
ATA247090A (en) TERMINAL ARRANGEMENT
DE69017601D1 (en) Circuit arrangement.
DE69008464D1 (en) Circuit arrangement.
BR9002950A (en) TELEPHONE
KR900016210U (en) Electronic switch
KR920701693A (en) Hydraulic circuit
DE69028291D1 (en) HYDRAULIC CIRCUIT
DE69029305D1 (en) Circuit breaker
TR24963A (en) IMMEDIATELY SEMIA
DE69014970D1 (en) Electronic telephone set.
KR910013339U (en) Call circuit for security
DK0489194T3 (en) circuit Event
KR910013424U (en) Sensitivity improvement circuit
FR2648943B1 (en) SAMPLE-LOCKER CIRCUIT
FI914230A0 (en) Circuit arrangement.
KR900013685U (en) Circuit for preventing unauthorized calls
KR910008193U (en) Handset circuit
DE69025862D1 (en) Telephone interface circuit
KR910009176U (en) Slope protection block
KR900019472U (en) Noagate circuit
KR910001299U (en) I / O circuit
BR8902480A (en) ELECTRONIC SECURITY SET
SE8903542D0 (en) ALARM INDICATED CIRCUIT

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19990922

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee