NL239870A - - Google Patents
Info
- Publication number
- NL239870A NL239870A NL239870DA NL239870A NL 239870 A NL239870 A NL 239870A NL 239870D A NL239870D A NL 239870DA NL 239870 A NL239870 A NL 239870A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
- G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
- G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers
-
- 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
- G06G7/162—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M11/00—Power conversion systems not covered by the preceding groups
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
- H03B19/03—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using non-linear inductance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/48—Amplitude modulation by means of Hall-effect devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18190/58A GB883338A (en) | 1958-06-06 | 1958-06-06 | Improvements relating to devices for multiplying electrical quantities |
Publications (1)
Publication Number | Publication Date |
---|---|
NL239870A true NL239870A (xx) |
Family
ID=10108203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL239870D NL239870A (xx) | 1958-06-06 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3097296A (xx) |
DE (1) | DE1134754B (xx) |
FR (1) | FR1226314A (xx) |
GB (1) | GB883338A (xx) |
NL (1) | NL239870A (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3226657A (en) * | 1965-12-28 | Hall mgdulatqr having magnetic cir- cuit with air gap and signal winding movable for zero balancing | ||
DE1124998B (de) * | 1960-09-30 | 1962-03-08 | Siemens Ag | Signalgeber mit einem Hallgenerator-Abtastkopf |
DE1297755B (de) * | 1963-05-10 | 1969-06-19 | Siemens Ag | Magnetfeldmessgeraet mit einer Sonde mit magnetfeldabhaengigem Widerstand |
US3218480A (en) * | 1963-09-03 | 1965-11-16 | Automatic Elect Lab | Expander circuit utilizing hall multiplier |
GB1079853A (en) * | 1963-10-25 | 1967-08-16 | Ass Elect Ind | Improvements relating to hall effect devices |
US3284726A (en) * | 1964-03-03 | 1966-11-08 | Motorola Inc | Square law compander system utilizing a hall effect multiplier as the square law device |
US3335383A (en) * | 1965-01-04 | 1967-08-08 | Gen Telephone & Elect | Hall-effect multiplier |
FR1602845A (xx) * | 1968-03-18 | 1971-02-01 | ||
CH673160A5 (xx) * | 1986-02-10 | 1990-02-15 | Landis & Gyr Ag |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US253806A (en) * | 1882-02-14 | Machine | ||
FR970066A (xx) * | 1947-08-16 | 1950-12-29 | ||
US2550492A (en) * | 1950-05-27 | 1951-04-24 | Gen Electric | Hall effect alternating current measuring apparatus |
DE954355C (de) * | 1952-12-23 | 1956-12-13 | Kieler Howaldtswerke Ag | Verfahren zur Messung und Ortung von Kabelfehlern u. dgl. |
IT520084A (xx) * | 1953-09-21 | |||
DE1011041B (de) * | 1954-01-07 | 1957-06-27 | Siemens Ag | Einrichtung, bei der ein in einem stromdurchflossenen Widerstandskoerper unter dem Einfluss eines Magnetfeldes auftretender Effekt ausgenutzt wird |
-
0
- US US3097296D patent/US3097296A/en not_active Expired - Lifetime
- NL NL239870D patent/NL239870A/xx unknown
-
1958
- 1958-06-06 GB GB18190/58A patent/GB883338A/en not_active Expired
-
1959
- 1959-06-04 FR FR796599A patent/FR1226314A/fr not_active Expired
- 1959-06-05 DE DEM41735A patent/DE1134754B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3097296A (en) | 1963-07-09 |
FR1226314A (fr) | 1960-07-11 |
DE1134754B (de) | 1962-08-16 |
GB883338A (en) | 1961-11-29 |