DK136742C - - Google Patents
Info
- Publication number
- DK136742C DK136742C DK376768A DK376768A DK136742C DK 136742 C DK136742 C DK 136742C DK 376768 A DK376768 A DK 376768A DK 376768 A DK376768 A DK 376768A DK 136742 C DK136742 C DK 136742C
- Authority
- DK
- Denmark
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/10—Combined modulation, e.g. rate modulation and amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Amplitude Modulation (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1297367A CH462953A (de) | 1967-09-14 | 1967-09-14 | Elektronische Leistungsmesseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK136742B DK136742B (da) | 1977-11-14 |
| DK136742C true DK136742C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-05-01 |
Family
ID=4388137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK376768AA DK136742B (da) | 1967-09-14 | 1968-08-05 | Amplitudemoduleret multivibratorkobling til måling af vekselstrømseffekter. |
Country Status (12)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE29079E (en) * | 1970-01-27 | 1976-12-14 | Motor Finance Corporation | Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator |
| US3746851A (en) * | 1971-12-21 | 1973-07-17 | Technical Management Services | Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator |
| DE2206223A1 (de) * | 1972-02-10 | 1973-08-23 | Siemens Ag | Elektronische multipliziereinrichtung nach dem time-division-verfahren |
| US3976912A (en) * | 1972-02-23 | 1976-08-24 | Owens-Illinois, Inc. | Electrical supply system and method for improving the operating characteristics of gaseous discharge display panels |
| US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
| DE2747385C2 (de) * | 1977-10-21 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer Wechselstromzähler |
| JPS54163624U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-05-08 | 1979-11-16 | ||
| US4217546A (en) * | 1978-12-11 | 1980-08-12 | General Electric Company | Electronic energy consumption meter and system with automatic error correction |
| CH659140A5 (de) * | 1982-11-30 | 1986-12-31 | Landis & Gyr Ag | Mark-space-amplituden-modulator zur ermittlung eines verbrauchs von blindleistung oder von blindenergie. |
| CH680620A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-03-31 | 1992-09-30 | Landis & Gyr Betriebs Ag | |
| CH681491A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-03-31 | 1993-03-31 | Landis & Gyr Business Support | |
| DE29511680U1 (de) * | 1995-07-19 | 1996-11-21 | Niggemeyer, Gert Günther, 21244 Buchholz | Multiplikationsschaltung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH472677A (de) * | 1968-10-18 | 1969-05-15 | Landis & Gyr Ag | Schaltungsanordnung zur Messung elektrischer Energie |
-
1967
- 1967-09-14 CH CH1297367A patent/CH462953A/de unknown
- 1967-10-02 DE DE1591963A patent/DE1591963C3/de not_active Expired
- 1967-10-05 AT AT905667A patent/AT278171B/de not_active IP Right Cessation
-
1968
- 1968-06-19 NL NL686808637A patent/NL145114B/xx not_active IP Right Cessation
- 1968-07-25 FR FR1581124D patent/FR1581124A/fr not_active Expired
- 1968-07-26 JP JP43052553A patent/JPS4823012B1/ja active Pending
- 1968-07-31 SE SE10381/68A patent/SE342919B/xx unknown
- 1968-08-01 BE BE718938D patent/BE718938A/xx not_active IP Right Cessation
- 1968-08-02 NO NO3046/68A patent/NO126099B/no unknown
- 1968-08-05 DK DK376768AA patent/DK136742B/da unknown
- 1968-09-05 GB GB42220/68A patent/GB1186132A/en not_active Expired
- 1968-09-13 US US759631A patent/US3602843A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1591963B2 (de) | 1973-01-11 |
| NL6808637A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-03-18 |
| DE1591963C3 (de) | 1982-05-13 |
| GB1186132A (en) | 1970-04-02 |
| FR1581124A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-09-12 |
| AT278171B (de) | 1970-01-26 |
| US3602843A (en) | 1971-08-31 |
| NL145114B (nl) | 1975-02-17 |
| DE1591963A1 (de) | 1970-08-06 |
| NO126099B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-18 |
| SE342919B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-21 |
| BE718938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-01-16 |
| JPS4823012B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-07-10 |
| CH462953A (de) | 1968-09-30 |
| DK136742B (da) | 1977-11-14 |