NL7001169A - - Google Patents
Info
- Publication number
- NL7001169A NL7001169A NL7001169A NL7001169A NL7001169A NL 7001169 A NL7001169 A NL 7001169A NL 7001169 A NL7001169 A NL 7001169A NL 7001169 A NL7001169 A NL 7001169A NL 7001169 A NL7001169 A NL 7001169A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06J—HYBRID COMPUTING ARRANGEMENTS
- G06J1/00—Hybrid computing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
- G01R21/1331—Measuring real or reactive component, measuring apparent energy
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Measurement Of Current Or Voltage (AREA)
- Manipulation Of Pulses (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH140269A CH479123A (de) | 1969-01-30 | 1969-01-30 | Schaltungsanordnung zur Multiplikation zweier Grössen, insbesondere von Strom und Spannung zur Wikleistungsmessung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7001169A true NL7001169A (enExample) | 1970-08-03 |
Family
ID=4209577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7001169A NL7001169A (enExample) | 1969-01-30 | 1970-01-28 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3605028A (enExample) |
| CA (1) | CA922377A (enExample) |
| CH (1) | CH479123A (enExample) |
| FR (1) | FR2029661A1 (enExample) |
| GB (1) | GB1254834A (enExample) |
| NL (1) | NL7001169A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2199122B1 (enExample) * | 1972-09-13 | 1975-03-14 | Langella Antoni | |
| US3851158A (en) * | 1973-06-29 | 1974-11-26 | Ceske Vysoke Uceni Tech | Method and apparatus for deriving the mean value of the product of a pair of analog quantities |
| DE2339839C2 (de) * | 1973-08-07 | 1982-06-03 | Teldix Gmbh, 6900 Heidelberg | Verfahren zur Messung der Impulsfolgefrequenz und Anordnung zur Durchführung des Verfahrens |
| GB2205425A (en) * | 1987-06-03 | 1988-12-07 | Omega Electric Ltd | Pseudo four quadrant multiplier for use in power measurement meters |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486122A (en) * | 1967-01-17 | 1969-12-23 | Roger E Clapp | Double switch multiplier |
| US3466460A (en) * | 1967-01-20 | 1969-09-09 | Weston Instruments Inc | Time division multiplier |
-
1969
- 1969-01-30 CH CH140269A patent/CH479123A/de not_active IP Right Cessation
- 1969-12-17 CA CA070214A patent/CA922377A/en not_active Expired
- 1969-12-29 FR FR6945221A patent/FR2029661A1/fr not_active Withdrawn
-
1970
- 1970-01-22 GB GB3125/70A patent/GB1254834A/en not_active Expired
- 1970-01-27 US US6202A patent/US3605028A/en not_active Expired - Lifetime
- 1970-01-28 NL NL7001169A patent/NL7001169A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1960673B2 (de) | 1972-09-07 |
| US3605028A (en) | 1971-09-14 |
| DE1960673A1 (de) | 1970-08-06 |
| GB1254834A (en) | 1971-11-24 |
| CA922377A (en) | 1973-03-06 |
| FR2029661A1 (enExample) | 1970-10-23 |
| CH479123A (de) | 1969-09-30 |