JPS63260309A - 可変減衰回路 - Google Patents
可変減衰回路Info
- Publication number
- JPS63260309A JPS63260309A JP62095574A JP9557487A JPS63260309A JP S63260309 A JPS63260309 A JP S63260309A JP 62095574 A JP62095574 A JP 62095574A JP 9557487 A JP9557487 A JP 9557487A JP S63260309 A JPS63260309 A JP S63260309A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output signal
- transistor
- variable impedance
- capacitor
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000002238 attenuated effect Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
- Attenuators (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62095574A JPS63260309A (ja) | 1987-04-17 | 1987-04-17 | 可変減衰回路 |
| US07/180,483 US4982435A (en) | 1987-04-17 | 1988-04-12 | Automatic loudness control circuit |
| EP88105872A EP0287057B1 (en) | 1987-04-17 | 1988-04-13 | Automatic loudness control circuit |
| DE3850289T DE3850289T2 (de) | 1987-04-17 | 1988-04-13 | Automatische Lautstärkeregelungsschaltung. |
| CA000564288A CA1305432C (en) | 1987-04-17 | 1988-04-15 | Automatic loudness control circuit |
| KR88004342A KR970004616B1 (en) | 1987-04-17 | 1988-04-16 | Automatic loudness control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62095574A JPS63260309A (ja) | 1987-04-17 | 1987-04-17 | 可変減衰回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63260309A true JPS63260309A (ja) | 1988-10-27 |
| JPH0519325B2 JPH0519325B2 (enExample) | 1993-03-16 |
Family
ID=14141360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62095574A Granted JPS63260309A (ja) | 1987-04-17 | 1987-04-17 | 可変減衰回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63260309A (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181213U (enExample) * | 1984-10-31 | 1986-05-29 |
-
1987
- 1987-04-17 JP JP62095574A patent/JPS63260309A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181213U (enExample) * | 1984-10-31 | 1986-05-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519325B2 (enExample) | 1993-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080316 Year of fee payment: 15 |