KR920008564U - 키폰전화기와 키폰주장치간의 데이타 송수신 장치 - Google Patents
키폰전화기와 키폰주장치간의 데이타 송수신 장치Info
- Publication number
- KR920008564U KR920008564U KR2019900016335U KR900016335U KR920008564U KR 920008564 U KR920008564 U KR 920008564U KR 2019900016335 U KR2019900016335 U KR 2019900016335U KR 900016335 U KR900016335 U KR 900016335U KR 920008564 U KR920008564 U KR 920008564U
- Authority
- KR
- South Korea
- Prior art keywords
- key phone
- data transmission
- reception device
- phone
- key
- 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
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephone Function (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900016335U KR930002146Y1 (ko) | 1990-10-27 | 1990-10-27 | 키폰전화기와 키폰주장치간의 데이타 송수신 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900016335U KR930002146Y1 (ko) | 1990-10-27 | 1990-10-27 | 키폰전화기와 키폰주장치간의 데이타 송수신 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008564U true KR920008564U (ko) | 1992-05-20 |
KR930002146Y1 KR930002146Y1 (ko) | 1993-04-26 |
Family
ID=19304675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900016335U KR930002146Y1 (ko) | 1990-10-27 | 1990-10-27 | 키폰전화기와 키폰주장치간의 데이타 송수신 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930002146Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464146B1 (ko) * | 2000-06-23 | 2004-12-31 | 엘지전자 주식회사 | 교환기에서 데이터 선택 장치 |
-
1990
- 1990-10-27 KR KR2019900016335U patent/KR930002146Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464146B1 (ko) * | 2000-06-23 | 2004-12-31 | 엘지전자 주식회사 | 교환기에서 데이터 선택 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR930002146Y1 (ko) | 1993-04-26 |
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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: 20000323 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |