GB1361140A – Circuit arrangements for measuring electrical energy
– Google Patents
GB1361140A – Circuit arrangements for measuring electrical energy
– Google Patents
Circuit arrangements for measuring electrical energy
Info
Publication number
GB1361140A
GB1361140A
GB4996772A
GB4996772A
GB1361140A
GB 1361140 A
GB1361140 A
GB 1361140A
GB 4996772 A
GB4996772 A
GB 4996772A
GB 4996772 A
GB4996772 A
GB 4996772A
GB 1361140 A
GB1361140 A
GB 1361140A
Authority
GB
United Kingdom
Prior art keywords
pulses
divider
gate
duration
pulse
Prior art date
1971-11-09
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4996772A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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.)
1971-11-09
Filing date
1972-10-30
Publication date
1974-07-24
1972-10-30
Application filed by Landis and Gyr AG
filed
Critical
Landis and Gyr AG
1974-07-24
Publication of GB1361140A
publication
Critical
patent/GB1361140A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
G06F—ELECTRIC DIGITAL DATA PROCESSING
G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
G06F7/62—Performing operations exclusively by counting total number of pulses ; Multiplication, division or derived operations using combined denominational and incremental processing by counters, i.e. without column shift
G—PHYSICS
G06—COMPUTING; CALCULATING OR COUNTING
G06F—ELECTRIC DIGITAL DATA PROCESSING
G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
G06F7/70—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using stochastic pulse trains, i.e. randomly occurring pulses the average pulse rates of which represent numbers
Abstract
1361140 Digital wattmeter LANDIS & GYR AG 30 Oct 1972 [9 Nov 1971] 49967/72 Heading G4H A digital wattmeter comprises two modulators 1, 2 receiving a signal indicative of voltage and current being consumed respectively, and each adapted to produce a pulse train, the pulse duration from modulator 1 being # 1 = T 1 /2 + K 1 U where T 1 is a fixed cycle duration, and that from modulator 2 being # 2 = T 2 /2 + K 2 i, where T 2 is a fixed cycle duration, K 1 , K 2 being constants and U and i being input voltage and current values, the outputs from these devices being taken to an AND gate 5 where pulses having a duration of the overlaps of the two pulse trains emerge at 6 and are applied to a second AND gate 8 together with clock pulses from a generator 10, the frequency of output pulses emerging at 11 being shown to be proportional to U x i + “ (clock pulse frequency) and which pulses are applied to a count-up input of a counter 13 together with the clock pulses frequency reduced by a factor of 4 in a divider 15 at a count down input. In a modification, Fig. 2 (not shown), the AND gate 5 is replaced by an equivalence circuit and the divider 15 by a 2 : 1 divider.
GB4996772A
1971-11-09
1972-10-30
Circuit arrangements for measuring electrical energy
Expired
GB1361140A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH1629571A
CH538122A
(en)
1971-11-09
1971-11-09
Circuit arrangement for measuring electrical energy
Publications (1)
Publication Number
Publication Date
GB1361140A
true
GB1361140A
(en)
1974-07-24
Family
ID=4416074
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4996772A
Expired
GB1361140A
(en)
1971-11-09
1972-10-30
Circuit arrangements for measuring electrical energy
Country Status (9)
Country
Link
AT
(1)
AT328556B
(en)
BE
(1)
BE791143A
(en)
CH
(1)
CH538122A
(en)
DE
(1)
DE2160064C3
(en)
ES
(1)
ES408312A1
(en)
FR
(1)
FR2159316B1
(en)
GB
(1)
GB1361140A
(en)
IT
(1)
IT970266B
(en)
NL
(1)
NL157990B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2259779A
(en)
*
1991-09-19
1993-03-24
Ampy Automation Digilog
Power meter
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2651579A1
(en)
*
1976-11-12
1978-05-18
Licentia Gmbh
ARRANGEMENT AND CIRCUIT FOR MEASURING ELECTRICAL POWER AND ENERGY
GB2167619A
(en)
*
1984-11-24
1986-05-29
Crest Energy Scan Ltd
Wattmeter circuit
0
BE
BE791143D
patent/BE791143A/en
not_active
IP Right Cessation
1971
1971-11-09
CH
CH1629571A
patent/CH538122A/en
not_active
IP Right Cessation
1971-11-30
DE
DE19712160064
patent/DE2160064C3/en
not_active
Expired
1972
1972-10-23
AT
AT905872A
patent/AT328556B/en
not_active
IP Right Cessation
1972-10-30
GB
GB4996772A
patent/GB1361140A/en
not_active
Expired
1972-11-07
FR
FR7239328A
patent/FR2159316B1/fr
not_active
Expired
1972-11-07
ES
ES408312A
patent/ES408312A1/en
not_active
Expired
1972-11-08
NL
NL7215121A
patent/NL157990B/en
not_active
IP Right Cessation
1972-11-08
IT
IT3139672A
patent/IT970266B/en
active
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2259779A
(en)
*
1991-09-19
1993-03-24
Ampy Automation Digilog
Power meter
GB2286250A
(en)
*
1991-09-19
1995-08-09
Ampy Automation Digilog
Power meter
GB2259779B
(en)
*
1991-09-19
1996-04-03
Ampy Automation Digilog
Improved power meter
GB2286250B
(en)
*
1991-09-19
1996-04-03
Ampy Automation Digilog
Improved power meter
Also Published As
Publication number
Publication date
CH538122A
(en)
1973-06-15
BE791143A
(en)
1973-03-01
DE2160064B2
(en)
1973-10-18
ES408312A1
(en)
1975-11-01
AT328556B
(en)
1976-03-25
FR2159316A1
(en)
1973-06-22
FR2159316B1
(en)
1979-02-09
ATA905872A
(en)
1975-06-15
NL157990B
(en)
1978-09-15
DE2160064C3
(en)
1974-05-09
DE2160064A1
(en)
1973-05-24
NL7215121A
(en)
1973-05-11
IT970266B
(en)
1974-04-10
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Legal Events
Date
Code
Title
Description
1974-12-04
PS
Patent sealed
1987-06-10
746
Register noted ‘licences of right’ (sect. 46/1977)
1990-06-27
PCNP
Patent ceased through non-payment of renewal fee
