KR0114677Y1 - 전화기의 착신 신호음 자동조절장치 - Google Patents
전화기의 착신 신호음 자동조절장치 Download PDFInfo
- Publication number
- KR0114677Y1 KR0114677Y1 KR2019940009036U KR19940009036U KR0114677Y1 KR 0114677 Y1 KR0114677 Y1 KR 0114677Y1 KR 2019940009036 U KR2019940009036 U KR 2019940009036U KR 19940009036 U KR19940009036 U KR 19940009036U KR 0114677 Y1 KR0114677 Y1 KR 0114677Y1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- incoming
- gain
- ring tone
- telephone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 27
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- H04M19/042—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations with variable loudness of the ringing tone, e.g. variable envelope or amplitude of ring signal
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- 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
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/12—Counting circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims (1)
- 국선에 접속되어 착신 신호의 인가여부를 감지하여 착신음 신호를 출력하는 착신신호 감지부(2)와; 착신음 신호를 증폭하는 증폭기(4)와; 상기 증폭기(4)로부터 인가되는 착신음 신호를 청취가능하게 출력하는 스피커(5)와; 상기 증폭기(4)의 이득을 조절하는 이득조절부(9)를 구비하는 전화기에 있어서, 상기 착신신호 감지부(2)로부터 인가되는 착신음 신호를 정합하여 상기 증폭기(4)측으로 입력시키는 정합부(3)와; 상기 착신신호 감지부(2)로부터 정합부(3)를 통해 인가되는 착신음 신호를 검출하는 신호음 검출부(6)와; 상기 신호음 검출부(6)에 의해 검출된 착신음 신호의 검출횟수를 계수하여 계수신호를 출력하는 카운터(7)와; 상기 이득 조절부(9)측에 인가되는 이득조절 제어신호를 검출하여 해당 검출신호를 출력하는 제어신호 검출부(8)와; 상기 신호음 검출부(6)에 의해 착신음 신호의 입력을 감지하면 상기 카운터(7)로부터 인가되는 계수신호에 따라 상기 이득 조절부(9)측에 이득조절 제어신호를 출력하고, 상기 제어신호 검출부(8)를 통해 검출된 이득조절 제어신호의 출력횟수에 따라 상기 이득 조절부(9)측에 출력되는 이득조절 제어신호를 변경하고, 상기 카운터(7)의 계수값이 설정된 소정값에 도달하면 상기 카운터(7)를 리셋시키는 제어부(1)를 구비하는 것을 특징으로 하는 전화기의 착신 신호음 자동조절장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940009036U KR0114677Y1 (ko) | 1994-04-27 | 1994-04-27 | 전화기의 착신 신호음 자동조절장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940009036U KR0114677Y1 (ko) | 1994-04-27 | 1994-04-27 | 전화기의 착신 신호음 자동조절장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950031630U KR950031630U (ko) | 1995-11-22 |
KR0114677Y1 true KR0114677Y1 (ko) | 1998-04-18 |
Family
ID=19381914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019940009036U Expired - Lifetime KR0114677Y1 (ko) | 1994-04-27 | 1994-04-27 | 전화기의 착신 신호음 자동조절장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0114677Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101130007B1 (ko) * | 2005-10-31 | 2012-03-28 | 에스케이 텔레콤주식회사 | 착신벨 제어 기능을 갖는 이동통신 단말 및 착신벨 제어방법 |
-
1994
- 1994-04-27 KR KR2019940009036U patent/KR0114677Y1/ko not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101130007B1 (ko) * | 2005-10-31 | 2012-03-28 | 에스케이 텔레콤주식회사 | 착신벨 제어 기능을 갖는 이동통신 단말 및 착신벨 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
KR950031630U (ko) | 1995-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19940427 |
|
UA0201 | Request for examination |
Patent event date: 19940427 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19961220 |
|
N231 | Notification of change of applicant | ||
UN2301 | Change of applicant |
Comment text: Notification of Change of Applicant Patent event code: UN23011R01D Patent event date: 19970220 |
|
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19970618 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19971127 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19971203 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19971203 |
|
UG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20000427 Year of fee payment: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 20000427 Start annual number: 4 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee |