FR2441957B1 - - Google Patents
Info
- Publication number
- FR2441957B1 FR2441957B1 FR7924241A FR7924241A FR2441957B1 FR 2441957 B1 FR2441957 B1 FR 2441957B1 FR 7924241 A FR7924241 A FR 7924241A FR 7924241 A FR7924241 A FR 7924241A FR 2441957 B1 FR2441957 B1 FR 2441957B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- 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
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Networks Using Active Elements (AREA)
- Attenuators (AREA)
- Analogue/Digital Conversion (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7811229A NL7811229A (nl) | 1978-11-14 | 1978-11-14 | Verzwakkerinrichting bevattende een cascadeschakeling van een stappenverzwakker en een regelbare spannings- deler, alsmede een besturingsschakeling voor de rege- ling daarvan. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2441957A1 FR2441957A1 (fr) | 1980-06-13 |
| FR2441957B1 true FR2441957B1 (pt-PT) | 1983-07-08 |
Family
ID=19831890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7924241A Granted FR2441957A1 (fr) | 1978-11-14 | 1979-09-28 | Dispositif attenuateur comportant un montage en cascade d'un attenuateur pas a pas et un diviseur de tension reglable, ainsi qu'un circuit de commande pour le reglage de ce montage |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4280089A (pt-PT) |
| JP (2) | JPS5571312A (pt-PT) |
| AR (1) | AR223192A1 (pt-PT) |
| AT (1) | AT380134B (pt-PT) |
| AU (1) | AU5266179A (pt-PT) |
| BE (1) | BE879979A (pt-PT) |
| BR (1) | BR7907309A (pt-PT) |
| CA (1) | CA1154110A (pt-PT) |
| DE (1) | DE2945494A1 (pt-PT) |
| DK (1) | DK475479A (pt-PT) |
| ES (1) | ES8100576A1 (pt-PT) |
| FR (1) | FR2441957A1 (pt-PT) |
| GB (1) | GB2039435B (pt-PT) |
| IT (1) | IT1119423B (pt-PT) |
| NL (1) | NL7811229A (pt-PT) |
| SE (1) | SE7909303L (pt-PT) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8100033A (nl) * | 1981-01-07 | 1982-08-02 | Philips Nv | Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek. |
| JPS5879320A (ja) * | 1981-11-05 | 1983-05-13 | Arupain Kk | 電子ボリウム |
| US4489270A (en) * | 1983-02-07 | 1984-12-18 | Tektronix, Inc. | Compensation of a high voltage attenuator |
| IT1215237B (it) * | 1985-02-20 | 1990-01-31 | Ates Componenti Elettron | Attenuatore a basso rumore ed elevata stabilita'termica,di tipo integrabile |
| US4810949A (en) * | 1988-03-28 | 1989-03-07 | Motorola, Inc. | Digitally controlled monotonic attenuator |
| JPH01305612A (ja) * | 1988-06-02 | 1989-12-08 | Toshiba Corp | 減衰器 |
| US5079441A (en) * | 1988-12-19 | 1992-01-07 | Texas Instruments Incorporated | Integrated circuit having an internal reference circuit to supply internal logic circuits with a reduced voltage |
| US5216355A (en) * | 1990-10-25 | 1993-06-01 | Pioneer Electronic Corporation | Electronic volume controller |
| DE10007539A1 (de) * | 2000-02-18 | 2001-08-30 | Daimler Chrysler Ag | Steuerbarer Spannungsteiler |
| EP1652020B1 (en) * | 2003-08-04 | 2008-02-13 | Indian Space Research Organisation | A control circuit for diode based rf circuits |
| US7706473B2 (en) * | 2006-03-24 | 2010-04-27 | Freescale Semiconductor, Inc. | Comparative signal strength detection |
| CN101983479B (zh) * | 2007-11-02 | 2014-07-16 | 意法爱立信有限公司 | 匹配的集成电子部件 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE639126A (pt-PT) * | ||||
| US3262049A (en) * | 1963-09-12 | 1966-07-19 | Hewlett Packard Co | Signal dividers |
| DE1472085A1 (de) * | 1964-01-28 | 1969-10-02 | Ceskoslovenska Akademie Ved | Spannungsteiler,vorzugsweise zur Kompensation nichtlinear verlaufender Spannungen |
| US3370181A (en) * | 1964-06-17 | 1968-02-20 | Massachusetts Inst Technology | High-speed transistorized switches providing multiple stable current levels for inertial instruments |
| US3403324A (en) * | 1965-10-22 | 1968-09-24 | Frank R. Bradley | Voltage divider networks |
| DE2343092C3 (de) * | 1973-08-25 | 1980-06-19 | Vereinigte Flugtechnische Werkefokker Gmbh, 2800 Bremen | Programmierbarer Funktionsgenerator |
| US3977291A (en) * | 1974-08-13 | 1976-08-31 | C. G. Conn, Ltd. | Attenuator network for musical instrument keying system |
| JPS5337351A (en) * | 1976-09-20 | 1978-04-06 | Hitachi Ltd | Adjuster such as sound volume and sound tone for audio equipment |
| US4121183A (en) * | 1976-10-29 | 1978-10-17 | Tektronix, Inc. | Programmable attenuator apparatus employing active FET switching |
| DE2758310A1 (de) * | 1977-12-27 | 1979-07-05 | Bosch Gmbh Robert | Elektronische schaltungsanordnung zur erzeugung einer wechselspannung |
-
1978
- 1978-11-14 NL NL7811229A patent/NL7811229A/nl not_active Application Discontinuation
-
1979
- 1979-09-28 FR FR7924241A patent/FR2441957A1/fr active Granted
- 1979-10-24 AR AR278605A patent/AR223192A1/es active
- 1979-10-26 US US06/088,734 patent/US4280089A/en not_active Expired - Lifetime
- 1979-11-08 CA CA000339440A patent/CA1154110A/en not_active Expired
- 1979-11-09 IT IT69196/79A patent/IT1119423B/it active
- 1979-11-09 AU AU52661/79A patent/AU5266179A/en not_active Abandoned
- 1979-11-09 GB GB7938977A patent/GB2039435B/en not_active Expired
- 1979-11-09 DK DK475479A patent/DK475479A/da unknown
- 1979-11-10 DE DE19792945494 patent/DE2945494A1/de active Granted
- 1979-11-12 BE BE0/198078A patent/BE879979A/fr unknown
- 1979-11-12 SE SE7909303A patent/SE7909303L/xx unknown
- 1979-11-12 ES ES485867A patent/ES8100576A1/es not_active Expired
- 1979-11-12 BR BR7907309A patent/BR7907309A/pt unknown
- 1979-11-13 AT AT0725779A patent/AT380134B/de not_active IP Right Cessation
- 1979-11-14 JP JP14663879A patent/JPS5571312A/ja active Pending
-
1988
- 1988-07-11 JP JP1988091042U patent/JPS6418829U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2945494C2 (pt-PT) | 1991-06-27 |
| ES485867A0 (es) | 1980-11-01 |
| SE7909303L (sv) | 1980-05-15 |
| FR2441957A1 (fr) | 1980-06-13 |
| ES8100576A1 (es) | 1980-11-01 |
| GB2039435B (en) | 1983-05-11 |
| US4280089A (en) | 1981-07-21 |
| DE2945494A1 (de) | 1980-05-29 |
| JPS5571312A (en) | 1980-05-29 |
| NL7811229A (nl) | 1980-05-19 |
| AR223192A1 (es) | 1981-07-31 |
| CA1154110A (en) | 1983-09-20 |
| IT1119423B (it) | 1986-03-10 |
| ATA725779A (de) | 1985-08-15 |
| IT7969196A0 (it) | 1979-11-09 |
| AU5266179A (en) | 1980-05-22 |
| JPS6418829U (pt-PT) | 1989-01-30 |
| GB2039435A (en) | 1980-08-06 |
| AT380134B (de) | 1986-04-10 |
| BE879979A (fr) | 1980-05-12 |
| BR7907309A (pt) | 1980-07-22 |
| DK475479A (da) | 1980-05-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| CD | Change of name or company name | ||
| ST | Notification of lapse |