JPS5744945B1 - - Google Patents
Info
- Publication number
- JPS5744945B1 JPS5744945B1 JP47072121A JP7212172A JPS5744945B1 JP S5744945 B1 JPS5744945 B1 JP S5744945B1 JP 47072121 A JP47072121 A JP 47072121A JP 7212172 A JP7212172 A JP 7212172A JP S5744945 B1 JPS5744945 B1 JP S5744945B1
- 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
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
- G01R19/02—Measuring effective values, i.e. root-mean-square values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16546271A | 1971-07-23 | 1971-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4822072A JPS4822072A (https=) | 1973-03-20 |
| JPS5744945B1 true JPS5744945B1 (https=) | 1982-09-24 |
Family
ID=22598991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47072121A Pending JPS5744945B1 (https=) | 1971-07-23 | 1972-07-20 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3743949A (https=) |
| JP (1) | JPS5744945B1 (https=) |
| BR (1) | BR7204883D0 (https=) |
| CA (1) | CA951793A (https=) |
| DE (1) | DE2235944A1 (https=) |
| ES (1) | ES404957A1 (https=) |
| FR (1) | FR2147140B1 (https=) |
| GB (1) | GB1398184A (https=) |
| IT (1) | IT962856B (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027240A (en) * | 1975-10-20 | 1977-05-31 | The United States Of America As Represented By The Secretary Of The Navy | Protected voltage meter |
| US4218736A (en) * | 1978-04-03 | 1980-08-19 | Takeda Riken Kogyo Kabushikikaisha | Effective value measuring apparatus |
| JPS556066A (en) * | 1978-06-29 | 1980-01-17 | Seiko Epson Corp | Production of fluid passage |
| US4375038A (en) * | 1979-08-10 | 1983-02-22 | Beckman Instruments, Inc. | RMS Converter |
| GB2183048B (en) * | 1985-11-11 | 1989-12-20 | British Gas Plc | Method and apparatus for testing ac generators |
| CN1020816C (zh) * | 1990-05-08 | 1993-05-19 | 董献之 | 平方器 |
| GB2262350B (en) * | 1991-11-22 | 1995-11-08 | Multiload Technolgy Ltd | RMS Waveform sensing |
| WO1996024070A1 (en) * | 1995-01-30 | 1996-08-08 | Landis & Gyr Utilities Services, Inc. | Method of sizing transformers in an electrical utility service |
| EP0777306B1 (en) * | 1995-12-01 | 2000-07-26 | Berg Electronics Manufacturing B.V. | Smooth contact terminals, method to manufacture such terminals and products comprising such terminals |
| US7731856B2 (en) | 2003-07-25 | 2010-06-08 | Waste 2 Green, Llc | Method and system for treating waste matter from animals, urea-rich and urea-lean waste-matter products, and uses thereof |
| CN102207518A (zh) * | 2011-03-11 | 2011-10-05 | 华为技术有限公司 | 一种交流电压有效值检测方法和装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070302A (en) * | 1958-08-15 | 1962-12-25 | Phillips Petroleum Co | Flow computer |
| US3064192A (en) * | 1959-03-10 | 1962-11-13 | Gen Electronic Lab Inc | Electric meter |
| US3197626A (en) * | 1962-01-08 | 1965-07-27 | Chrysler Corp | Logarithmic multiplier-divider |
| US3281689A (en) * | 1962-03-26 | 1966-10-25 | Expando Meter Company | R. m. s. meter circuit using linear resistors and voltage biased diodes to approximate the square law characteristic |
| FR1486264A (https=) * | 1965-07-08 | 1967-10-05 | ||
| US3423578A (en) * | 1966-08-29 | 1969-01-21 | Chrysler Corp | True root-mean-square computing circuit |
-
1971
- 1971-07-23 US US00165462A patent/US3743949A/en not_active Expired - Lifetime
-
1972
- 1972-06-16 GB GB2824372A patent/GB1398184A/en not_active Expired
- 1972-06-22 CA CA145,356,A patent/CA951793A/en not_active Expired
- 1972-07-14 IT IT26998/72A patent/IT962856B/it active
- 1972-07-17 ES ES404957A patent/ES404957A1/es not_active Expired
- 1972-07-20 JP JP47072121A patent/JPS5744945B1/ja active Pending
- 1972-07-21 BR BR4883/72A patent/BR7204883D0/pt unknown
- 1972-07-21 DE DE2235944A patent/DE2235944A1/de active Pending
- 1972-07-24 FR FR7226576A patent/FR2147140B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA951793A (en) | 1974-07-23 |
| BR7204883D0 (pt) | 1973-06-07 |
| FR2147140A1 (https=) | 1973-03-09 |
| JPS4822072A (https=) | 1973-03-20 |
| IT962856B (it) | 1973-12-31 |
| DE2235944A1 (de) | 1973-02-01 |
| GB1398184A (en) | 1975-06-18 |
| ES404957A1 (es) | 1975-07-01 |
| FR2147140B1 (https=) | 1978-12-29 |
| US3743949A (en) | 1973-07-03 |