JPS4958730A - - Google Patents
Info
- Publication number
- JPS4958730A JPS4958730A JP47099006A JP9900672A JPS4958730A JP S4958730 A JPS4958730 A JP S4958730A JP 47099006 A JP47099006 A JP 47099006A JP 9900672 A JP9900672 A JP 9900672A JP S4958730 A JPS4958730 A JP S4958730A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
- H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3083—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type
- H03F3/3086—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type two power transistors being controlled by the input signal
- H03F3/3088—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type two power transistors being controlled by the input signal with asymmetric control, i.e. one control branch containing a supplementary phase inverting transistor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900672A JPS5524284B2 (en]) | 1972-10-04 | 1972-10-04 | |
| US403407A US3867709A (en) | 1972-10-04 | 1973-10-04 | Muting system for power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900672A JPS5524284B2 (en]) | 1972-10-04 | 1972-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4958730A true JPS4958730A (en]) | 1974-06-07 |
| JPS5524284B2 JPS5524284B2 (en]) | 1980-06-27 |
Family
ID=14234934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9900672A Expired JPS5524284B2 (en]) | 1972-10-04 | 1972-10-04 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3867709A (en]) |
| JP (1) | JPS5524284B2 (en]) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS548348U (en]) * | 1977-06-18 | 1979-01-19 | ||
| JPS548349U (en]) * | 1977-06-18 | 1979-01-19 | ||
| JPS548351U (en]) * | 1977-06-20 | 1979-01-19 | ||
| JPS58213512A (ja) * | 1982-06-04 | 1983-12-12 | Sanyo Electric Co Ltd | シヨツク音防止回路 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038043B2 (ja) * | 1978-09-27 | 1985-08-29 | パイオニア株式会社 | スイツチ回路 |
| JPS5644208A (en) * | 1979-09-19 | 1981-04-23 | Toshiba Corp | Amplifier |
| DE3035720C2 (de) * | 1980-09-22 | 1990-12-06 | Vitalij Vasil'evič Andrianov | Als integrierter Schaltkreis aufgebauter Leistungsverstärker für Tonbandgeräte |
| DE3127278C1 (de) * | 1981-07-10 | 1982-12-16 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | NF-Verstaerker fuer ein Fernsehgeraet |
| NL8203325A (nl) * | 1982-08-25 | 1984-03-16 | Philips Nv | Audioversterkerschakeling. |
| DE3729656A1 (de) * | 1987-09-04 | 1989-03-23 | Thomson Brandt Gmbh | Schaltungsanordnung zur unterdrueckung von stoergeraeuschen |
| JPH0642637B2 (ja) * | 1988-08-12 | 1994-06-01 | 三洋電機株式会社 | 低周波電力増幅用パワーセイブ回路 |
| US5332928A (en) * | 1992-12-10 | 1994-07-26 | Threepenny Electronics Corporation | Battery drain reducer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4525366Y1 (en]) * | 1968-12-11 | 1970-10-05 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691427A (en) * | 1970-03-29 | 1972-09-12 | Victor Company Of Japan | Protective circuit for an all stage direct-coupled transistor output transformerless-output condenserless amplifier |
| US3673345A (en) * | 1970-05-26 | 1972-06-27 | Itsuki Ban | Sound control apparatus for a magnetic tape player for cutting off sound from the speaker during fast feed |
-
1972
- 1972-10-04 JP JP9900672A patent/JPS5524284B2/ja not_active Expired
-
1973
- 1973-10-04 US US403407A patent/US3867709A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4525366Y1 (en]) * | 1968-12-11 | 1970-10-05 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS548348U (en]) * | 1977-06-18 | 1979-01-19 | ||
| JPS548349U (en]) * | 1977-06-18 | 1979-01-19 | ||
| JPS548351U (en]) * | 1977-06-20 | 1979-01-19 | ||
| JPS58213512A (ja) * | 1982-06-04 | 1983-12-12 | Sanyo Electric Co Ltd | シヨツク音防止回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3867709A (en) | 1975-02-18 |
| JPS5524284B2 (en]) | 1980-06-27 |