KR880010905U - 자동 전화 응답장치의 제어회로 - Google Patents
자동 전화 응답장치의 제어회로Info
- Publication number
- KR880010905U KR880010905U KR2019860017325U KR860017325U KR880010905U KR 880010905 U KR880010905 U KR 880010905U KR 2019860017325 U KR2019860017325 U KR 2019860017325U KR 860017325 U KR860017325 U KR 860017325U KR 880010905 U KR880010905 U KR 880010905U
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- answering machine
- answering
- machine
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/02—Diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/04—Transistors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/10—Logic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860017325U KR900009642Y1 (ko) | 1986-11-07 | 1986-11-07 | 자동 전화 응답장치의 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860017325U KR900009642Y1 (ko) | 1986-11-07 | 1986-11-07 | 자동 전화 응답장치의 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880010905U true KR880010905U (ko) | 1988-07-28 |
KR900009642Y1 KR900009642Y1 (ko) | 1990-10-15 |
Family
ID=19256891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860017325U KR900009642Y1 (ko) | 1986-11-07 | 1986-11-07 | 자동 전화 응답장치의 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900009642Y1 (ko) |
-
1986
- 1986-11-07 KR KR2019860017325U patent/KR900009642Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900009642Y1 (ko) | 1990-10-15 |
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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: 19970829 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |