BE580594A - - Google Patents
Info
- Publication number
- BE580594A BE580594A BE580594DA BE580594A BE 580594 A BE580594 A BE 580594A BE 580594D A BE580594D A BE 580594DA BE 580594 A BE580594 A BE 580594A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
- H03D1/18—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL229550 | 1958-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE580594A true BE580594A (da) |
Family
ID=19751278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE580594D BE580594A (da) | 1958-07-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3092779A (da) |
| BE (1) | BE580594A (da) |
| CA (1) | CA640327A (da) |
| DE (1) | DE1115831B (da) |
| FR (1) | FR1229572A (da) |
| GB (1) | GB921606A (da) |
| NL (1) | NL229550A (da) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1007079A (en) * | 1963-04-23 | 1965-10-13 | Philips Electronic Associated | Improvements in or relating to transistorized frequency detectors |
| US3293450A (en) * | 1963-09-16 | 1966-12-20 | Beckman Instruments Inc | Transfer circuit having wide range antilogarithm response |
| US3320530A (en) * | 1964-07-08 | 1967-05-16 | Nexus Res Lab Inc | Quasi-logarithmic multimeter for providing an output which is a linear function of the logarithmic of the input |
| US3408582A (en) * | 1966-06-16 | 1968-10-29 | Alfred Electronics | Wide dynamic range square-law detector with logarithmic read-out |
| US4730603A (en) * | 1987-01-28 | 1988-03-15 | Minnesota Mining And Manufacturing Company | Receiver of amplitude modulated signals |
| GB0721481D0 (en) * | 2007-11-01 | 2007-12-12 | Odaenathus Ltd | Improvements in and relating to logarithmic amplifiers |
| US9503133B2 (en) | 2012-12-03 | 2016-11-22 | Dockon Ag | Low noise detection system using log detector amplifier |
| US9048943B2 (en) | 2013-03-15 | 2015-06-02 | Dockon Ag | Low-power, noise insensitive communication channel using logarithmic detector amplifier (LDA) demodulator |
| US9236892B2 (en) | 2013-03-15 | 2016-01-12 | Dockon Ag | Combination of steering antennas, CPL antenna(s), and one or more receive logarithmic detector amplifiers for SISO and MIMO applications |
| WO2014145129A1 (en) | 2013-03-15 | 2014-09-18 | Forrest James Brown | Logarithmic amplifier with universal demodulation capabilities |
| EP2974000B1 (en) | 2013-03-15 | 2024-07-17 | Dockon AG | Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability |
| US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
| WO2015038191A1 (en) | 2013-09-12 | 2015-03-19 | Dockon Ag | Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion |
| US11183974B2 (en) | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2313666A (en) * | 1940-01-26 | 1943-03-09 | Rca Corp | Logarithmic instrument circuit |
| NL76055C (da) * | 1948-04-21 | |||
| US2864002A (en) * | 1953-09-16 | 1958-12-09 | Bell Telephone Labor Inc | Transistor detector |
| NL92537C (da) * | 1953-12-04 |
-
0
- BE BE580594D patent/BE580594A/xx unknown
- NL NL229550D patent/NL229550A/xx unknown
- CA CA640327A patent/CA640327A/en not_active Expired
-
1959
- 1959-07-03 US US824867A patent/US3092779A/en not_active Expired - Lifetime
- 1959-07-08 DE DEN16954A patent/DE1115831B/de active Pending
- 1959-07-09 GB GB23627/59A patent/GB921606A/en not_active Expired
- 1959-07-10 FR FR799974A patent/FR1229572A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA640327A (en) | 1962-04-24 |
| GB921606A (en) | 1963-03-20 |
| FR1229572A (fr) | 1960-09-08 |
| US3092779A (en) | 1963-06-04 |
| NL229550A (da) | |
| DE1115831B (de) | 1961-10-26 |