KR880007131U - 음성전류 증폭 및 안정화 회로를 보유하는 전화기용 송화기 - Google Patents
음성전류 증폭 및 안정화 회로를 보유하는 전화기용 송화기Info
- Publication number
- KR880007131U KR880007131U KR2019860013522U KR860013522U KR880007131U KR 880007131 U KR880007131 U KR 880007131U KR 2019860013522 U KR2019860013522 U KR 2019860013522U KR 860013522 U KR860013522 U KR 860013522U KR 880007131 U KR880007131 U KR 880007131U
- Authority
- KR
- South Korea
- Prior art keywords
- current amplification
- telephone handset
- stabilization circuit
- voice current
- voice
- 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
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
- H04M1/745—Protection devices or circuits for voltages surges on the line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860013522U KR890008386Y1 (ko) | 1986-09-02 | 1986-09-02 | 음성전류 증폭 및 안정화 회로를 보유하는 전화기용 송화기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860013522U KR890008386Y1 (ko) | 1986-09-02 | 1986-09-02 | 음성전류 증폭 및 안정화 회로를 보유하는 전화기용 송화기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880007131U true KR880007131U (ko) | 1988-05-31 |
KR890008386Y1 KR890008386Y1 (ko) | 1989-11-25 |
Family
ID=19255415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860013522U KR890008386Y1 (ko) | 1986-09-02 | 1986-09-02 | 음성전류 증폭 및 안정화 회로를 보유하는 전화기용 송화기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890008386Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100519292B1 (ko) | 2002-11-26 | 2005-10-07 | 엘지전자 주식회사 | 세탁기의 포적심 알고리즘 |
-
1986
- 1986-09-02 KR KR2019860013522U patent/KR890008386Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890008386Y1 (ko) | 1989-11-25 |
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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: 20001125 Year of fee payment: 12 |
|
EXPY | Expiration of term |