JPS57146121U - - Google Patents

Info

Publication number: JPS57146121U
Authority: JP; Japan
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.): Pending

Application number

JP1981031282U

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.)

1981-03-06

Filing date

1981-03-06

Publication date

1982-09-14

1981-03-06 Application filed filed Critical

1981-03-06 Priority to JP1981031282U priority Critical patent/JPS57146121U/ja

1981-12-07 Priority to US06/328,001 priority patent/US4444481A/en

1981-12-17 Priority to GB8138039A priority patent/GB2090423B/en

1981-12-23 Priority to US06/333,887 priority patent/US4475081A/en

1981-12-23 Priority to DE3151211A priority patent/DE3151211C2/de

1982-02-12 Priority to GB8204164A priority patent/GB2094989B/en

1982-03-02 Priority to FR8203429A priority patent/FR2501377B1/fr

1982-03-03 Priority to DE19823207528 priority patent/DE3207528A1/de

1982-09-14 Publication of JPS57146121U publication Critical patent/JPS57146121U/ja

Status Pending legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/14—Indicating direction of current; Indicating polarity of voltage
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Measurement Of Current Or Voltage (AREA)
Inverter Devices (AREA)
Amplifiers (AREA)
Exposure Control For Cameras (AREA)

JP1981031282U 1980-12-26 1981-03-06 Pending JPS57146121U (ja)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
JP1981031282U JPS57146121U (ja)	1981-03-06	1981-03-06
US06/328,001 US4444481A (en)	1980-12-26	1981-12-07	Exposure control circuit for a camera
GB8138039A GB2090423B (en)	1980-12-26	1981-12-17	Exposure control circuit for a camera
US06/333,887 US4475081A (en)	1981-03-06	1981-12-23	Electronic watthour meter
DE3151211A DE3151211C2 (de)	1980-12-26	1981-12-23	Belichtungssteuerschaltung für eine Kamera
GB8204164A GB2094989B (en)	1981-03-06	1982-02-12	Electronic watthour meter
FR8203429A FR2501377B1 (fr)	1981-03-06	1982-03-02	Wattheuremetre electronique
DE19823207528 DE3207528A1 (de)	1981-03-06	1982-03-03	Elektronischer wirkverbrauchszaehler

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1981031282U JPS57146121U (ja)	1981-03-06	1981-03-06

Publications (1)

Publication Number	Publication Date
JPS57146121U true JPS57146121U (ja)	1982-09-14

Family

ID=12326957

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1981031282U Pending JPS57146121U (ja)	1980-12-26	1981-03-06

Country Status (5)

Country	Link
US (1)	US4475081A (ja)
JP (1)	JPS57146121U (ja)
DE (1)	DE3207528A1 (ja)
FR (1)	FR2501377B1 (ja)
GB (1)	GB2094989B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4615009A (en) *	1983-02-16	1986-09-30	Transdata, Inc.	Electronic energy and power monitoring apparatus
US4870351A (en) *	1987-07-07	1989-09-26	General Electric Company	Electronic watt-hour meter with up and down integration for error correction
JPH0821049B2 (ja) *	1987-09-24	1996-03-04	株式会社東芝	乗算器
CH681491A5 (ja) *	1989-03-31	1993-03-31	Landis & Gyr Business Support
FI100488B (fi) *	1993-04-16	1997-12-15	Enermet Oy	Mittauskytkentä kolmivaiheverkon energian mittauksiin tarkoitettuja mi ttauslaitteita varten
DE19630605A1 (de) *	1996-07-29	1998-02-05	Tech Gmbh Antriebstechnik Und	Multiplikationsschaltung für Leistungs-Meßgerät
US8085055B2 (en) *	2009-04-20	2011-12-27	Veris Industries, Llc	Branch current monitoring system
US9424975B2 (en)	2013-08-23	2016-08-23	Veris Industries, Llc	Split core transformer with self-aligning cores
US9588148B2 (en)	2014-01-23	2017-03-07	Veris Industries, Llc	Input circuit for current transformer
US9607749B2 (en)	2014-01-23	2017-03-28	Veris Industries, Llc	Split core current transformer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53107828A (en) *	1977-03-02	1978-09-20	Asahi Optical Co Ltd	Electronic shutter circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA606427A (en) *	1955-05-20	1960-10-04	B. Squires Rathbun	Electrical measuring system
DE2128883B2 (de) *	1971-06-11	1973-11-15	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Schaltungsanordnung zur Messung des elektrischen Verbrauchs entsprechend der jeweiligen Energieflußrichtung (Lieferung und Bezug) mit einem elektronischen kWh Zahler
DE2539981A1 (de) *	1974-09-13	1976-04-01	Gen Electric	Geraet zum messen elektrischer energie
DE2450252C2 (de) *	1974-10-23	1982-07-01	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Schaltungsanordnung für die energieflußabhängige Umschaltung bei einem Elektrizitätszähler
JPS5149430A (en) *	1974-10-28	1976-04-28	Hitachi Ltd	Henatsukimakisenno reikyakusochi
US4058768A (en) *	1977-01-07	1977-11-15	General Electric Company	Two-way electronic kWh meter
JPS581388B2 (ja) *	1978-07-06	1983-01-11	株式会社東芝	電力量計

1981
- 1981-03-06 JP JP1981031282U patent/JPS57146121U/ja active Pending
- 1981-12-23 US US06/333,887 patent/US4475081A/en not_active Expired - Lifetime
1982
- 1982-02-12 GB GB8204164A patent/GB2094989B/en not_active Expired
- 1982-03-02 FR FR8203429A patent/FR2501377B1/fr not_active Expired
- 1982-03-03 DE DE19823207528 patent/DE3207528A1/de active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53107828A (en) *	1977-03-02	1978-09-20	Asahi Optical Co Ltd	Electronic shutter circuit

Also Published As

Publication number	Publication date
DE3207528A1 (de)	1982-09-23
US4475081A (en)	1984-10-02
GB2094989B (en)	1985-01-03
FR2501377A1 (fr)	1982-09-10
DE3207528C2 (ja)	1988-03-17
GB2094989A (en)	1982-09-22
FR2501377B1 (fr)	1986-04-25

Publication	Publication Date	Title
DE3236545C2 (ja)	1991-12-12
FR2502485B1 (ja)	1985-02-15
DE3131808C2 (ja)	1987-04-09
DE3122693C2 (ja)	1987-04-23
FR2499354B1 (ja)	1985-02-01
FR2500140B1 (ja)	1984-12-28
DE3212185C2 (ja)	1987-01-08
FR2500861B1 (ja)	1985-01-04
FR2499333B1 (ja)	1984-07-27
DE3213057C2 (ja)	1987-01-29
DE3153257C2 (ja)	1987-05-14
FR2497551B3 (ja)	1983-10-28
FR2498218B1 (ja)	1984-04-20
DE3240397C2 (ja)	1987-01-29
DE3228094C2 (ja)	1994-08-11
DE3148383C2 (ja)	1989-11-23
DE3229269C2 (ja)	1987-04-23
FR2500043B1 (ja)	1983-05-13
JPS57146121U (ja)	1982-09-14
FR2499980B1 (ja)	1985-03-22
FR2500122B1 (ja)	1986-04-11
DE3144737C2 (ja)	1987-02-19
FR2499025B1 (ja)	1984-08-03
FR2498542B1 (ja)	1984-10-26
DE3114774C2 (ja)	1987-01-02