KR910013325U - Switching circuit for automatic reception of telephone - Google Patents
Switching circuit for automatic reception of telephoneInfo
- Publication number
- KR910013325U KR910013325U KR2019890021098U KR890021098U KR910013325U KR 910013325 U KR910013325 U KR 910013325U KR 2019890021098 U KR2019890021098 U KR 2019890021098U KR 890021098 U KR890021098 U KR 890021098U KR 910013325 U KR910013325 U KR 910013325U
- Authority
- KR
- South Korea
- Prior art keywords
- telephone
- switching circuit
- automatic reception
- reception
- automatic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/18—Comparators
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890021098U KR920006207Y1 (en) | 1989-12-30 | 1989-12-30 | Telephone automatic stand-by switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890021098U KR920006207Y1 (en) | 1989-12-30 | 1989-12-30 | Telephone automatic stand-by switching circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910013325U true KR910013325U (en) | 1991-07-30 |
KR920006207Y1 KR920006207Y1 (en) | 1992-09-17 |
Family
ID=19294937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890021098U KR920006207Y1 (en) | 1989-12-30 | 1989-12-30 | Telephone automatic stand-by switching circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920006207Y1 (en) |
-
1989
- 1989-12-30 KR KR2019890021098U patent/KR920006207Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920006207Y1 (en) | 1992-09-17 |
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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: 19961231 Year of fee payment: 6 |
|
LAPS | Lapse due to unpaid annual fee |