FR2234709A1 - - Google Patents
Info
- Publication number
- FR2234709A1 FR2234709A1 FR7421766A FR7421766A FR2234709A1 FR 2234709 A1 FR2234709 A1 FR 2234709A1 FR 7421766 A FR7421766 A FR 7421766A FR 7421766 A FR7421766 A FR 7421766A FR 2234709 A1 FR2234709 A1 FR 2234709A1
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7012373A JPS5710612B2 (en) | 1973-06-21 | 1973-06-21 | |
JP48076392A JPS5753698B2 (en) | 1973-07-06 | 1973-07-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2234709A1 true FR2234709A1 (en) | 1975-01-17 |
FR2234709B1 FR2234709B1 (en) | 1979-08-03 |
Family
ID=26411279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7421766A Expired FR2234709B1 (en) | 1973-06-21 | 1974-06-21 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2429753A1 (en) |
FR (1) | FR2234709B1 (en) |
GB (1) | GB1438606A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2343370A1 (en) * | 1976-03-03 | 1977-09-30 | Us Commerce | WIDE BAND AND HIGH DYNAMIC RANGE ANALOG / DIGITAL CONVERSION METHOD AND APPARATUS |
FR2581492A1 (en) * | 1985-05-06 | 1986-11-07 | Inovelf Sa | LOGARITHMIC CONVERTERS AND THEIR APPLICATION TO LIGHT MEASUREMENT TRANSMITTED |
EP0436222A1 (en) * | 1990-01-05 | 1991-07-10 | Alcatel Mobile Communication France | Circuit for the digital measurement of an electrical signal |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441956A1 (en) * | 1978-11-17 | 1980-06-13 | Inst Francais Du Petrole | MULTIPLEX SIGNAL AMPLIFICATION METHOD AND IMPLEMENTATION DEVICE |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187323A (en) * | 1961-10-24 | 1965-06-01 | North American Aviation Inc | Automatic scaler for analog-to-digital converter |
FR1481960A (en) * | 1966-01-10 | 1967-05-26 | Societe D'etudes, Recherches Et Constructions Electroniques | Digital coding method and device |
US3685047A (en) * | 1970-07-31 | 1972-08-15 | Sds Data Systems Inc | Seismic amplifiers |
-
1974
- 1974-06-19 GB GB2721174A patent/GB1438606A/en not_active Expired
- 1974-06-21 FR FR7421766A patent/FR2234709B1/fr not_active Expired
- 1974-06-21 DE DE2429753A patent/DE2429753A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187323A (en) * | 1961-10-24 | 1965-06-01 | North American Aviation Inc | Automatic scaler for analog-to-digital converter |
FR1481960A (en) * | 1966-01-10 | 1967-05-26 | Societe D'etudes, Recherches Et Constructions Electroniques | Digital coding method and device |
US3685047A (en) * | 1970-07-31 | 1972-08-15 | Sds Data Systems Inc | Seismic amplifiers |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2343370A1 (en) * | 1976-03-03 | 1977-09-30 | Us Commerce | WIDE BAND AND HIGH DYNAMIC RANGE ANALOG / DIGITAL CONVERSION METHOD AND APPARATUS |
FR2581492A1 (en) * | 1985-05-06 | 1986-11-07 | Inovelf Sa | LOGARITHMIC CONVERTERS AND THEIR APPLICATION TO LIGHT MEASUREMENT TRANSMITTED |
EP0201415A1 (en) * | 1985-05-06 | 1986-11-12 | INOVELF, Société anonyme dite: | Logarithmic converters and their use in the measurement of transmitted light |
EP0436222A1 (en) * | 1990-01-05 | 1991-07-10 | Alcatel Mobile Communication France | Circuit for the digital measurement of an electrical signal |
FR2656930A1 (en) * | 1990-01-05 | 1991-07-12 | Alcatel Radiotelephone | CIRCUIT FOR DIGITAL MEASUREMENT OF AN ELECTRICAL SIGNAL. |
US5146155A (en) * | 1990-01-05 | 1992-09-08 | Alcatel N.V. | Digital measuring circuit for measuring an electrical signal |
Also Published As
Publication number | Publication date |
---|---|
FR2234709B1 (en) | 1979-08-03 |
DE2429753A1 (en) | 1975-01-23 |
GB1438606A (en) | 1976-06-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |