KR920010676U - Interphone mosquito call and call circuit - Google Patents
Interphone mosquito call and call circuitInfo
- Publication number
- KR920010676U KR920010676U KR2019900018110U KR900018110U KR920010676U KR 920010676 U KR920010676 U KR 920010676U KR 2019900018110 U KR2019900018110 U KR 2019900018110U KR 900018110 U KR900018110 U KR 900018110U KR 920010676 U KR920010676 U KR 920010676U
- Authority
- KR
- South Korea
- Prior art keywords
- call
- circuit
- interphone mosquito
- interphone
- mosquito
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900018110U KR930002741Y1 (en) | 1990-11-23 | 1990-11-23 | Interphone circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900018110U KR930002741Y1 (en) | 1990-11-23 | 1990-11-23 | Interphone circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920010676U true KR920010676U (en) | 1992-06-17 |
KR930002741Y1 KR930002741Y1 (en) | 1993-05-19 |
Family
ID=19305798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900018110U KR930002741Y1 (en) | 1990-11-23 | 1990-11-23 | Interphone circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930002741Y1 (en) |
-
1990
- 1990-11-23 KR KR2019900018110U patent/KR930002741Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930002741Y1 (en) | 1993-05-19 |
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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: 20020417 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |