JPS4420903B1 - - Google Patents
Info
- Publication number
- JPS4420903B1 JPS4420903B1 JP3804766A JP3804766A JPS4420903B1 JP S4420903 B1 JPS4420903 B1 JP S4420903B1 JP 3804766 A JP3804766 A JP 3804766A JP 3804766 A JP3804766 A JP 3804766A JP S4420903 B1 JPS4420903 B1 JP S4420903B1
- 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
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US463518A US3417323A (en) | 1965-06-14 | 1965-06-14 | Method and apparatus for determining constriction resistance of electrical contact interfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4420903B1 true JPS4420903B1 (US20030220297A1-20031127-C00074.png) | 1969-09-08 |
Family
ID=23840373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3804766A Pending JPS4420903B1 (US20030220297A1-20031127-C00074.png) | 1965-06-14 | 1966-06-14 |
Country Status (10)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1259272A (US20030220297A1-20031127-C00074.png) * | 1967-11-27 | 1972-01-05 | ||
| US3717810A (en) * | 1971-07-15 | 1973-02-20 | Gulf Research Development Co | Abnormal impedance test for a string of geophones |
| US3996514A (en) * | 1975-11-21 | 1976-12-07 | Bell Telephone Laboratories, Incorporated | Circuit board contact resistance probe |
| US4788490A (en) * | 1987-07-02 | 1988-11-29 | The Boeing Company | Method of measuring resistance of a control servovalve |
| US5166627A (en) * | 1991-05-30 | 1992-11-24 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for remote tube crevice detection by current and voltage probe resistance measurement |
| US5221905A (en) * | 1992-02-28 | 1993-06-22 | International Business Machines Corporation | Test system with reduced test contact interface resistance |
| US5438272A (en) * | 1994-05-09 | 1995-08-01 | International Business Machines Corporation | Voltage-stressing and testing of networks using moving probes |
| US6116101A (en) * | 1997-07-02 | 2000-09-12 | Telcordia Technologies, Inc. | Method and apparatus for determining the intermateability of connector assemblies |
| JP4026418B2 (ja) * | 2002-06-05 | 2007-12-26 | 株式会社デンソー | スイッチ状態検出装置 |
| DE10331158B3 (de) * | 2003-07-10 | 2005-08-25 | Robert Bosch Gmbh | Verfahren und elektronischer Schaltkreis eines elektrischen Kontaktes |
| FR2951828B1 (fr) * | 2009-10-28 | 2012-10-26 | Peugeot Citroen Automobiles Sa | Procede et dispositif de signalement de point chaud |
| US8531305B2 (en) | 2011-05-10 | 2013-09-10 | GM Global Technology Operations LLC | Method of measuring electrical resistance of joints |
| ITUB20154637A1 (it) * | 2015-10-13 | 2017-04-13 | Rosa Micro S R L | Metodo e apparecchiatura per effettuare un test elettrico di un contatto elettrico e/o di una connessione elettrica |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054954A (en) * | 1958-10-14 | 1962-09-18 | Philco Corp | System for testing transistors |
| US3134073A (en) * | 1960-12-22 | 1964-05-19 | Ibm | Null detecting bridge circuit for testing back resistance of a diode |
| US3259829A (en) * | 1961-07-25 | 1966-07-05 | Gen Electric | Resonant charging circuit capable of producing an output voltage which is higher than the input voltage |
| US3296523A (en) * | 1963-07-17 | 1967-01-03 | George A Haas | Apparatus for measuring characteristics of materials through the application of pulses of successively increasing amplitude |
-
1965
- 1965-06-14 US US463518A patent/US3417323A/en not_active Expired - Lifetime
-
1966
- 1966-05-30 BR BR180027/66A patent/BR6680027D0/pt unknown
- 1966-06-07 GB GB25348/66A patent/GB1141904A/en not_active Expired
- 1966-06-08 ES ES0327723A patent/ES327723A1/es not_active Expired
- 1966-06-09 CH CH831966A patent/CH444959A/fr unknown
- 1966-06-10 SE SE7954/66A patent/SE321987B/xx unknown
- 1966-06-10 NL NL666608053A patent/NL153672B/xx unknown
- 1966-06-14 DE DE19661516921 patent/DE1516921B2/de not_active Withdrawn
- 1966-06-14 BE BE682499D patent/BE682499A/xx unknown
- 1966-06-14 JP JP3804766A patent/JPS4420903B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH444959A (fr) | 1967-10-15 |
| DE1516921A1 (US20030220297A1-20031127-C00074.png) | 1970-10-08 |
| US3417323A (en) | 1968-12-17 |
| DE1516921B2 (US20030220297A1-20031127-C00074.png) | 1970-10-08 |
| BE682499A (US20030220297A1-20031127-C00074.png) | 1966-12-14 |
| BR6680027D0 (pt) | 1973-08-09 |
| SE321987B (US20030220297A1-20031127-C00074.png) | 1970-03-23 |
| NL153672B (nl) | 1977-06-15 |
| GB1141904A (en) | 1969-02-05 |
| NL6608053A (US20030220297A1-20031127-C00074.png) | 1966-12-15 |
| ES327723A1 (es) | 1967-03-16 |
