IT973905B - Perfezionamento nei circuiti elettronici di controllo di segnali elettrici - Google Patents
Perfezionamento nei circuiti elettronici di controllo di segnali elettriciInfo
- Publication number
- IT973905B IT973905B IT54495/72A IT5449572A IT973905B IT 973905 B IT973905 B IT 973905B IT 54495/72 A IT54495/72 A IT 54495/72A IT 5449572 A IT5449572 A IT 5449572A IT 973905 B IT973905 B IT 973905B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- control
- electric signals
- electronic circuits
- circuits
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
-
- 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
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20905071A | 1971-12-17 | 1971-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT973905B true IT973905B (it) | 1974-06-10 |
Family
ID=22777112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT54495/72A IT973905B (it) | 1971-12-17 | 1972-12-05 | Perfezionamento nei circuiti elettronici di controllo di segnali elettrici |
Country Status (7)
Country | Link |
---|---|
US (1) | US3755626A (it) |
JP (1) | JPS4869453A (it) |
AR (1) | AR193448A1 (it) |
CA (1) | CA957951A (it) |
DE (1) | DE2261827A1 (it) |
GB (1) | GB1407845A (it) |
IT (1) | IT973905B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2535344C2 (de) * | 1975-08-07 | 1985-10-03 | CMB Colonia Management- und Beratungsgesellschaft mbH & Co KG, 5000 Köln | Einrichtung zum elektronischen Erzeugen von Klangsignalen |
US4031319A (en) * | 1975-12-12 | 1977-06-21 | Motorola, Inc. | Single control power-frequency control circuit |
US4150253A (en) * | 1976-03-15 | 1979-04-17 | Inter-Technology Exchange Ltd. | Signal distortion circuit and method of use |
US4532849A (en) * | 1983-12-15 | 1985-08-06 | Drew Dennis M | Signal shape controller |
JP3610494B2 (ja) * | 2002-06-26 | 2005-01-12 | オリオン電機株式会社 | プリント基板の極性表示 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2488410A (en) * | 1945-01-26 | 1949-11-15 | Rca Corp | Control circuits for alternating current transmission networks |
US3111635A (en) * | 1960-05-05 | 1963-11-19 | Fairchild Recording Equipment | Method and apparatus for eliminating overloading in modulating systems having pre-emphasis means |
US3153189A (en) * | 1961-02-15 | 1964-10-13 | Westinghouse Electric Corp | Attenuation network automatically controlled by level of signal carrier |
US3233177A (en) * | 1962-09-17 | 1966-02-01 | Tracor | Radio frequency receiver gain control system with constant input impedance |
US3302132A (en) * | 1965-10-01 | 1967-01-31 | Gen Dynamics Corp | Bistable multivibrator with self-triggering circuit utilizing level detector tunnel diodes |
US3700811A (en) * | 1970-07-20 | 1972-10-24 | Motorola Inc | Tone and volume control for a multi-channel audio amplifier system |
-
1971
- 1971-12-17 US US00209050A patent/US3755626A/en not_active Expired - Lifetime
-
1972
- 1972-11-19 CA CA157,766A patent/CA957951A/en not_active Expired
- 1972-12-01 GB GB5561872A patent/GB1407845A/en not_active Expired
- 1972-12-05 IT IT54495/72A patent/IT973905B/it active
- 1972-12-06 AR AR245521A patent/AR193448A1/es active
- 1972-12-14 JP JP47124815A patent/JPS4869453A/ja active Pending
- 1972-12-18 DE DE19722261827 patent/DE2261827A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4869453A (it) | 1973-09-20 |
AR193448A1 (es) | 1973-04-23 |
GB1407845A (en) | 1975-09-24 |
US3755626A (en) | 1973-08-28 |
DE2261827A1 (de) | 1973-06-28 |
CA957951A (en) | 1974-11-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE783738A (fr) | Circuit integre | |
SE400132B (sv) | Referensspenningskrets | |
IT945378B (it) | Perfezionamento nei connettori per circuiti stampati | |
IT947476B (it) | Costruzione di un telaio per cartel le di circuiti elettronici | |
IT957549B (it) | Perfezionamento nei circuiti di controllo per la elaborazione di segnali di colore | |
AT325704B (de) | Leitungsschutzschalter | |
SE385756B (sv) | Forsterkarkrets | |
IT947705B (it) | Controllo di commutazione per circuiti invertitori | |
BE784096A (fr) | Disjoncteur | |
IT969458B (it) | Perfezionamento nei circuiti rego latori di corrente | |
BE791473A (fr) | Disjoncteur | |
IT973905B (it) | Perfezionamento nei circuiti elettronici di controllo di segnali elettrici | |
IT948628B (it) | Perfezionamento nei circuiti di controllo della temperatura | |
SE383570B (sv) | Reglerkrets | |
IT945076B (it) | Perfezionamento nei circuiti di rivelazione di cresta per segnali elettrici | |
BE748211A (fr) | Circuit pour hyperfrequence | |
AT332482B (de) | Leitungsschutzschalter | |
AT313978B (de) | Gyratorschaltung | |
AT344266B (de) | Konvergenzschaltung | |
IT948015B (it) | Procedimento per la fabbricazione di circuiti elettrici stampati | |
BE778687A (fr) | Circuit de limitation de courant | |
IT957945B (it) | Perfezionamento nei circuiti oscillatori elettrici in parti colare per dispositivi di orolo geria | |
IT962620B (it) | Composizione di schermatura per la realizzazione di circuiti stampati metodo di realizzazione dei cir cuiti stampati e circuiti stampati ottenuti con detto metodo | |
ZA714216B (en) | Improvements in or relating to frequency control circuits | |
IT957916B (it) | Perfezionamento nei circuiti di divisione per due |