KR200161966Y1 - 음향 제어회로 - Google Patents
음향 제어회로 Download PDFInfo
- Publication number
- KR200161966Y1 KR200161966Y1 KR2019970019616U KR19970019616U KR200161966Y1 KR 200161966 Y1 KR200161966 Y1 KR 200161966Y1 KR 2019970019616 U KR2019970019616 U KR 2019970019616U KR 19970019616 U KR19970019616 U KR 19970019616U KR 200161966 Y1 KR200161966 Y1 KR 200161966Y1
- Authority
- KR
- South Korea
- Prior art keywords
- terminal
- encoder
- signal
- predetermined
- control circuit
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
Landscapes
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
입 력 | 출 력 | |||
A | B | CD | Q |
|
L → H | H | H | ┘ | ┐ |
L → H | L | H | L | H |
H | H → L | H | L | H |
L | H → L | H | ┘ | ┐ |
※ | ※ | L | L | H |
Claims (2)
- 엔코더(10)와, 상기 엔코더(10)의 회전방향에 따라 소정 레벨의 신호를 선택적으로 공급받는 음량제어 집적소자(18)를 갖는 음향 제어 회로에 있어서,상기 엔코더(10)의 복수의 출력에 대한 위상차를 검출하고, 이 검출된 위상차에 따라 소정의 제어 신호를 출력하며, 상기 선택적인 소정 레벨의 신호를 출력하는 발진수단(16)과;상기 엔코더(10)의 복수의 출력에 연결되고, 상기 소정의 제어 신호에 의해 온/오프 되는 제어수단(12, 14)을 포함하는 것을 특징으로 하는 음향 제어 회로.
- 제 1 항에 있어서,상기 발진수단(16)은 단안정 발진기임을 특징으로 하는 음향 제어 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019970019616U KR200161966Y1 (ko) | 1997-07-24 | 1997-07-24 | 음향 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019970019616U KR200161966Y1 (ko) | 1997-07-24 | 1997-07-24 | 음향 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990006179U KR19990006179U (ko) | 1999-02-18 |
KR200161966Y1 true KR200161966Y1 (ko) | 1999-12-01 |
Family
ID=19506456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019970019616U Expired - Fee Related KR200161966Y1 (ko) | 1997-07-24 | 1997-07-24 | 음향 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200161966Y1 (ko) |
-
1997
- 1997-07-24 KR KR2019970019616U patent/KR200161966Y1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990006179U (ko) | 1999-02-18 |
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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: 19970724 |
|
UA0201 | Request for examination |
Patent event date: 19970724 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19990820 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19990909 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19990910 |
|
UG1601 | Publication of registration | ||
UR1001 | Payment of annual fee |
Payment date: 20020830 Start annual number: 4 End annual number: 4 |
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UR1001 | Payment of annual fee |
Payment date: 20030829 Start annual number: 5 End annual number: 5 |
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UR1001 | Payment of annual fee |
Payment date: 20040830 Start annual number: 6 End annual number: 6 |
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UR1001 | Payment of annual fee |
Payment date: 20050830 Start annual number: 7 End annual number: 7 |
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UR1001 | Payment of annual fee |
Payment date: 20060830 Start annual number: 8 End annual number: 8 |
|
FPAY | Annual fee payment |
Payment date: 20070830 Year of fee payment: 9 |
|
UR1001 | Payment of annual fee |
Payment date: 20070830 Start annual number: 9 End annual number: 9 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |
Termination date: 20090810 Termination category: Default of registration fee |