KR910013339U - Call circuit for security - Google Patents
Call circuit for securityInfo
- 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
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)
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) |
-
1989
- 1989-12-29 KR KR2019890020585U patent/KR920005402Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920005402Y1 (en) | 1992-08-08 |
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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 |