KR890007539A - Handheld condition test method of emergency telephone in emergency telephone system - Google Patents
Handheld condition test method of emergency telephone in emergency telephone system Download PDFInfo
- Publication number
- KR890007539A KR890007539A KR870011185A KR870011185A KR890007539A KR 890007539 A KR890007539 A KR 890007539A KR 870011185 A KR870011185 A KR 870011185A KR 870011185 A KR870011185 A KR 870011185A KR 890007539 A KR890007539 A KR 890007539A
- Authority
- KR
- South Korea
- Prior art keywords
- handset
- emergency telephone
- emergency
- main body
- test tone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephone Function (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제 1 도는 본 발명에 따른 비상전화 시스템의 구성도,1 is a block diagram of an emergency call system according to the present invention,
제 2 도는 본 발명에 따른 제 1 도의 구성 부분중 제어장치.2 is a control device of the component parts of FIG. 1 according to the present invention;
제 3 도는 본 발명에 따른 비상전화기의 구성회로도.3 is a circuit diagram of an emergency telephone according to the present invention.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870011185A KR900007707B1 (en) | 1987-10-05 | 1987-10-05 | Handset testing method in emergency call system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870011185A KR900007707B1 (en) | 1987-10-05 | 1987-10-05 | Handset testing method in emergency call system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890007539A true KR890007539A (en) | 1989-06-20 |
KR900007707B1 KR900007707B1 (en) | 1990-10-18 |
Family
ID=19265061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870011185A KR900007707B1 (en) | 1987-10-05 | 1987-10-05 | Handset testing method in emergency call system |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900007707B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100326948B1 (en) * | 1999-07-24 | 2002-03-13 | 다우전자통신 주식회사 | Apparatus For Detection Of State Of Emergence Telephone |
-
1987
- 1987-10-05 KR KR1019870011185A patent/KR900007707B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100326948B1 (en) * | 1999-07-24 | 2002-03-13 | 다우전자통신 주식회사 | Apparatus For Detection Of State Of Emergence Telephone |
Also Published As
Publication number | Publication date |
---|---|
KR900007707B1 (en) | 1990-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20060920 Year of fee payment: 17 |
|
EXPY | Expiration of term |