KR920015948U - 전화기에서의 수신감도 자동조절회로 - Google Patents
전화기에서의 수신감도 자동조절회로Info
- Publication number
- KR920015948U KR920015948U KR2019910000350U KR910000350U KR920015948U KR 920015948 U KR920015948 U KR 920015948U KR 2019910000350 U KR2019910000350 U KR 2019910000350U KR 910000350 U KR910000350 U KR 910000350U KR 920015948 U KR920015948 U KR 920015948U
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- reception sensitivity
- sensitivity control
- automatic 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
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910000350U KR950002111Y1 (ko) | 1991-01-12 | 1991-01-12 | 전화기에서의 수신감도 자동조절회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910000350U KR950002111Y1 (ko) | 1991-01-12 | 1991-01-12 | 전화기에서의 수신감도 자동조절회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920015948U true KR920015948U (ko) | 1992-08-17 |
KR950002111Y1 KR950002111Y1 (ko) | 1995-03-24 |
Family
ID=19309658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019910000350U KR950002111Y1 (ko) | 1991-01-12 | 1991-01-12 | 전화기에서의 수신감도 자동조절회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950002111Y1 (ko) |
-
1991
- 1991-01-12 KR KR2019910000350U patent/KR950002111Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950002111Y1 (ko) | 1995-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19990316 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |