NL255345A - - Google Patents
Info
- Publication number
- NL255345A NL255345A NL255345DA NL255345A NL 255345 A NL255345 A NL 255345A NL 255345D A NL255345D A NL 255345DA NL 255345 A NL255345 A NL 255345A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
-
- 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
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/164—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using means for evaluating powers, e.g. quarter square multiplier
-
- 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
- G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
-
- 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
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US837006A US3211901A (en) | 1959-08-31 | 1959-08-31 | Nonlinear function generating means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255345A true NL255345A (xx) |
Family
ID=25273245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255345D NL255345A (xx) | 1959-08-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3211901A (xx) |
| GB (1) | GB901503A (xx) |
| NL (1) | NL255345A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3281585A (en) * | 1960-05-16 | 1966-10-25 | Exxon Research Engineering Co | Means for generating a plurality of non-linear functions |
| US3441728A (en) * | 1966-08-29 | 1969-04-29 | Bourns Inc | Square law function generator |
| US3440617A (en) * | 1967-03-31 | 1969-04-22 | Andromeda Inc | Signal responsive systems |
| US4710727A (en) * | 1985-08-30 | 1987-12-01 | Aardvark Audio Inc. | Nonlinear distortion synthesizer using over-threshold power-function feedback |
| US5434536A (en) * | 1987-03-23 | 1995-07-18 | Pritchard; Eric K. | Semiconductor emulation of vacuum tubes |
| US7639470B2 (en) * | 2005-12-14 | 2009-12-29 | Tdk Corporation | Varistor element |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698134A (en) * | 1940-08-27 | 1954-12-28 | Bosch Arma Corp | Electric computer |
| BE487637A (xx) * | 1948-03-02 | |||
| US2683766A (en) * | 1948-08-10 | 1954-07-13 | Melpar Inc | Method of casting electrical device and article produced thereby |
| US2643348A (en) * | 1950-09-29 | 1953-06-23 | Phillips Petroleum Co | Apparatus for producing a power function of an input voltage |
| US2691724A (en) * | 1953-04-13 | 1954-10-12 | Hoffman Radio Corp | Tuner for television receivers or the like |
| US2890832A (en) * | 1954-09-02 | 1959-06-16 | Joseph J Stone | Smooth-curve function generator |
| US3051873A (en) * | 1954-11-17 | 1962-08-28 | Honeywell Regulator Co | Temperature compensated transistor circuit |
| US2945177A (en) * | 1956-08-27 | 1960-07-12 | Western Electric Co | Circuit for adjusting symmetrical band-pass systems |
| US2942182A (en) * | 1956-10-03 | 1960-06-21 | Fairchild Engine & Airplane | System for testing electric signal transfer devices |
| US3051847A (en) * | 1957-03-15 | 1962-08-28 | Acf Ind Inc | Transistor switching circuit with thermistor biasing means |
| GB853554A (en) * | 1957-07-17 | 1960-11-09 | Gen Electric Co Ltd | Improvements in or relating to power law function generators and to other function generators which include at least one power law function generator |
| US3056100A (en) * | 1959-12-04 | 1962-09-25 | Bell Telephone Labor Inc | Temperature compensated field effect resistor |
-
0
- NL NL255345D patent/NL255345A/xx unknown
-
1959
- 1959-08-31 US US837006A patent/US3211901A/en not_active Expired - Lifetime
-
1960
- 1960-08-22 GB GB28940/60A patent/GB901503A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3211901A (en) | 1965-10-12 |
| GB901503A (en) | 1962-07-18 |