BE864142A - COUPLING DEVICE FOR AN AMPLIFICATION CONTROL - Google Patents
COUPLING DEVICE FOR AN AMPLIFICATION CONTROLInfo
- Publication number
- BE864142A BE864142A BE185324A BE185324A BE864142A BE 864142 A BE864142 A BE 864142A BE 185324 A BE185324 A BE 185324A BE 185324 A BE185324 A BE 185324A BE 864142 A BE864142 A BE 864142A
- Authority
- BE
- Belgium
- Prior art keywords
- coupling device
- amplification control
- amplification
- control
- coupling
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title 1
- 230000008878 coupling Effects 0.000 title 1
- 238000010168 coupling process Methods 0.000 title 1
- 238000005859 coupling reaction Methods 0.000 title 1
- 238000003199 nucleic acid amplification method Methods 0.000 title 1
Classifications
-
- 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
- H04M1/76—Compensating for differences in line impedance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2707870A DE2707870C2 (en) | 1977-02-24 | 1977-02-24 | Circuit arrangement for gain control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE864142A true BE864142A (en) | 1978-06-16 |
Family
ID=6001999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE185324A BE864142A (en) | 1977-02-24 | 1978-02-21 | COUPLING DEVICE FOR AN AMPLIFICATION CONTROL |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE864142A (en) |
| DE (1) | DE2707870C2 (en) |
| DK (1) | DK82278A (en) |
| ES (1) | ES467264A1 (en) |
| FR (1) | FR2382131A1 (en) |
| IT (1) | IT1094218B (en) |
| LU (1) | LU79109A1 (en) |
| NL (1) | NL7802048A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002311A (en) * | 1960-03-09 | 1961-10-03 | James G Kyper | Fishing lure |
| DE2946305A1 (en) * | 1979-11-16 | 1981-05-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | IMPEDANCE CIRCUIT WITH CONTROLLABLE RESISTANCE |
| DE3116262A1 (en) * | 1981-04-24 | 1982-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "CIRCUIT ARRANGEMENT FOR GENERATING CONTROL SIZES FROM THE LOOP CURRENT" |
| EP0102945A1 (en) * | 1982-03-04 | 1984-03-21 | Standard Telephones And Cables Public Limited Company | Waveform clipping circuits |
| DE3235686A1 (en) * | 1982-03-15 | 1983-09-22 | Wilfred E. Zürich Schönmann | Counterflow heat exchanger having a tiltable coil |
| DE3329665A1 (en) * | 1983-08-17 | 1985-03-07 | Telefunken electronic GmbH, 7100 Heilbronn | CIRCUIT ARRANGEMENT FOR THE AMPLIFICATION OF ELECTRICAL SIGNALS |
| GB8702730D0 (en) * | 1987-02-06 | 1987-03-11 | Shaffer A E | Weedless fish lure |
| US5195268A (en) * | 1991-11-21 | 1993-03-23 | Ellis Gregory T | Weedless hook for lures |
| US5218778A (en) * | 1992-05-28 | 1993-06-15 | Szantor Alfons J | Fishing lure |
| DE102004004862B4 (en) | 2004-01-30 | 2010-04-08 | Infineon Technologies Ag | Integrated semiconductor diode arrangement and integrated semiconductor device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1911547A1 (en) * | 1969-03-07 | 1970-09-24 | Blaupunkt Werke Gmbh | Adjustable AC voltage amplifier |
| DE2308835C3 (en) * | 1972-03-02 | 1986-03-27 | Sony Corp., Tokio/Tokyo | Adjustable amplifier for electrical signals |
| US3873933A (en) * | 1973-11-08 | 1975-03-25 | Rca Corp | Circuit with adjustable gain current mirror amplifier |
| DE2402801C2 (en) * | 1974-01-22 | 1982-08-05 | Robert Bosch Gmbh, 7000 Stuttgart | Transistor hearing aid amplifier with automatic gain control |
| NL7414217A (en) * | 1974-10-31 | 1976-05-04 | Philips Nv | AMPLIFIER WITH SIGNAL LEVEL CONTROL. |
-
1977
- 1977-02-24 DE DE2707870A patent/DE2707870C2/en not_active Expired
-
1978
- 1978-02-21 IT IT20494/78A patent/IT1094218B/en active
- 1978-02-21 BE BE185324A patent/BE864142A/en not_active IP Right Cessation
- 1978-02-22 LU LU79109A patent/LU79109A1/en unknown
- 1978-02-23 NL NL7802048A patent/NL7802048A/en not_active Application Discontinuation
- 1978-02-23 ES ES467264A patent/ES467264A1/en not_active Expired
- 1978-02-23 DK DK82278A patent/DK82278A/en unknown
- 1978-02-24 FR FR7805437A patent/FR2382131A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2707870C2 (en) | 1983-04-28 |
| DE2707870A1 (en) | 1978-08-31 |
| ES467264A1 (en) | 1980-02-01 |
| DK82278A (en) | 1978-08-25 |
| LU79109A1 (en) | 1978-06-27 |
| IT1094218B (en) | 1985-07-26 |
| IT7820494A0 (en) | 1978-02-21 |
| FR2382131A1 (en) | 1978-09-22 |
| NL7802048A (en) | 1978-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: LICENTIA PATENT-VERWALTUNGS-G.M.B.H. Effective date: 19840221 |