KR910013319U - 키폰 시스템용 다중 데이타 송수신 회로 - Google Patents
키폰 시스템용 다중 데이타 송수신 회로Info
- Publication number
- KR910013319U KR910013319U KR2019890021185U KR890021185U KR910013319U KR 910013319 U KR910013319 U KR 910013319U KR 2019890021185 U KR2019890021185 U KR 2019890021185U KR 890021185 U KR890021185 U KR 890021185U KR 910013319 U KR910013319 U KR 910013319U
- Authority
- KR
- South Korea
- Prior art keywords
- data transmission
- multiple data
- reception circuit
- phone system
- key phone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/14—Delay circuits; Timers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890021185U KR960001472Y1 (ko) | 1989-12-30 | 1989-12-30 | 키폰 시스템용 다중 데이타 송수신 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890021185U KR960001472Y1 (ko) | 1989-12-30 | 1989-12-30 | 키폰 시스템용 다중 데이타 송수신 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910013319U true KR910013319U (ko) | 1991-07-30 |
KR960001472Y1 KR960001472Y1 (ko) | 1996-02-17 |
Family
ID=19294961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890021185U KR960001472Y1 (ko) | 1989-12-30 | 1989-12-30 | 키폰 시스템용 다중 데이타 송수신 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR960001472Y1 (ko) |
-
1989
- 1989-12-30 KR KR2019890021185U patent/KR960001472Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960001472Y1 (ko) | 1996-02-17 |
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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: 19990316 Year of fee payment: 4 |
|
LAPS | Lapse due to unpaid annual fee |