BE734752A - - Google Patents

Info

Publication number: BE734752A
Authority: BE; Belgium

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1968-10-18

Filing date

1969-06-18

Publication date

1969-12-01

1969-06-18 Application filed filed Critical

1969-12-01 Publication of BE734752A publication Critical patent/BE734752A/xx

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
- 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
- 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
- G06G7/161—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
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06J—HYBRID COMPUTING ARRANGEMENTS
- G06J1/00—Hybrid computing arrangements

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Mathematical Physics (AREA)
Power Engineering (AREA)
Computer Hardware Design (AREA)
Software Systems (AREA)
Automation & Control Theory (AREA)
Evolutionary Computation (AREA)
Fuzzy Systems (AREA)
Measurement Of Current Or Voltage (AREA)
Amplifiers (AREA)
Load-Engaging Elements For Cranes (AREA)

BE734752D 1968-10-18 1969-06-18 BE734752A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1560168A CH472677A (de)	1968-10-18	1968-10-18	Schaltungsanordnung zur Messung elektrischer Energie

Publications (1)

Publication Number	Publication Date
BE734752A true BE734752A (de)	1969-12-01

Family

ID=4410447

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE734752D BE734752A (de)	1968-10-18	1969-06-18

Country Status (11)

Country	Link
JP (1)	JPS4922159B1 (de)
AT (1)	AT287842B (de)
BE (1)	BE734752A (de)
CH (1)	CH472677A (de)
DE (1)	DE1807581C3 (de)
DK (1)	DK134205B (de)
FR (1)	FR2020958A1 (de)
GB (1)	GB1226697A (de)
NL (1)	NL153671B (de)
NO (1)	NO125511B (de)
SE (1)	SE339961B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH462953A (de) *	1967-09-14	1968-09-30	Landis & Gyr Ag	Elektronische Leistungsmesseinrichtung
US3942110A (en) *	1974-05-08	1976-03-02	General Electric Company	Analog to pulse rate converter
US3947763A (en) *	1974-05-30	1976-03-30	General Electric Company	C-MOS electronic kWh meter and method for metering electrical energy
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
JPS5360675A (en) *	1976-11-12	1978-05-31	Yokogawa Hokushin Electric Corp	Converter for power and dc signal
JPS53113250U (de) *	1977-02-16	1978-09-09
JPS53138658U (de) *	1977-04-08	1978-11-02
US4096436A (en) *	1977-05-23	1978-06-20	The Valeron Corporation	Power monitor
DE2747385C2 (de) *	1977-10-21	1983-12-29	Siemens AG, 1000 Berlin und 8000 München	Elektronischer Wechselstromzähler
US4147978A (en) *	1977-12-19	1979-04-03	Dupont Energy Management Corporation	System for monitoring electrical energy consumption
JPS581388B2 (ja) *	1978-07-06	1983-01-11	株式会社東芝	電力量計
JPS571972A (en) *	1980-06-04	1982-01-07	Toshiba Corp	Electronic type electric energy meter
AT392177B (de) *	1984-05-04	1991-02-11	Siemens Ag	Vorrichtung zur erfassung der momentanleistung an einer phase eines wechselrichters mit vorgegebener eingangsgleichspannung, insbesondere eines pulswechselrichters
CH680620A5 (de) *	1989-03-31	1992-09-30	Landis & Gyr Betriebs Ag
DE29511680U1 (de) *	1995-07-19	1996-11-21	Niggemeyer, Gert Günther, 21244 Buchholz	Multiplikationsschaltung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2919408A (en) *	1957-08-23	1959-12-29	Harold J Brown	Electronic watthour meter

1968
- 1968-10-18 CH CH1560168A patent/CH472677A/de not_active IP Right Cessation
- 1968-11-04 DE DE19681807581 patent/DE1807581C3/de not_active Expired
1969
- 1969-05-27 AT AT502469A patent/AT287842B/de not_active IP Right Cessation
- 1969-06-17 FR FR6920081A patent/FR2020958A1/fr active Pending
- 1969-06-18 BE BE734752D patent/BE734752A/xx not_active IP Right Cessation
- 1969-07-21 NL NL6911128A patent/NL153671B/xx not_active IP Right Cessation
- 1969-07-24 JP JP44058675A patent/JPS4922159B1/ja active Pending
- 1969-08-22 SE SE1167769A patent/SE339961B/xx unknown
- 1969-08-29 NO NO347069A patent/NO125511B/no unknown
- 1969-10-13 GB GB1226697D patent/GB1226697A/en not_active Expired
- 1969-10-17 DK DK552769A patent/DK134205B/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO125511B (de)	1972-09-18
GB1226697A (de)	1971-03-31
DK134205B (da)	1976-09-27
NL6911128A (de)	1970-04-21
NL153671B (nl)	1977-06-15
DK134205C (de)	1977-02-28
CH472677A (de)	1969-05-15
AT287842B (de)	1971-02-10
DE1807581C3 (de)	1973-07-05
DE1807581A1 (de)	1970-05-14
JPS4922159B1 (de)	1974-06-06
FR2020958A1 (de)	1970-07-17
SE339961B (de)	1971-11-01
DE1807581B2 (de)	1971-04-08

Publication	Publication Date	Title
AU5506869A (de)	1970-11-26
DK134205C (de)	1977-02-28
AU6168869A (de)	1971-04-08
AU6171569A (de)	1971-04-08
AR203075Q (de)	1975-08-14
AU4744468A (de)	1970-06-18
BE724506A (de)	1969-05-02
BE709484A (de)	1968-05-30
BE708888A (de)	1968-07-03
BE727816A (de)	1969-07-16
BE727809A (de)	1969-07-01
BE727572A (de)	1969-07-29
BE727374A (de)	1969-07-24
BE726976A (de)	1969-07-01
BE726974A (de)	1969-07-16
BE726476A (de)	1969-06-16
BE726446A (de)	1969-06-16
BE726237A (de)	1969-05-29
BE725551A (de)	1969-06-16
BE725205A (de)	1969-06-10
BE728389A (de)	1969-07-16
BE722986A (de)	1969-04-01
BE713203A (de)	1968-08-16
BE712305A (de)	1968-07-15
BE709496A (de)	1968-07-17

Legal Events

Date	Code	Title	Description
1989-01-01	RE20	Patent expired	Owner name: LANDIS & GYR A.G. Effective date: 19890618

Date

Code

Title

Description

1989-01-01

RE20

Patent expired

Owner name: LANDIS & GYR A.G.

Effective date: 19890618