Electrical connectors – Including handle or distinct manipulating means – Randomly manipulated implement
Patent
1992-08-27
1993-08-10
Howell, Daniel W.
Electrical connectors
Including handle or distinct manipulating means
Randomly manipulated implement
439729, H01R 1300
Patent
active
052343596
ABSTRACT:
This invention provides a terminal device for electrical connection to a lead section to be measured. The LCR measurement is easily and accurately taken with a single operation even when a space between lead sections to be measured is narrow. Thereby, an efficiency of the LCR measurement with the Kelvin connection is enhanced.
An electroconductive pin is slidably inserted into a fine insulating housing. A hook-shaped terminal section is formed at the tip of the electroconductive pin. The electroconductive pin is urged by a spring in such a direction that the hook-shaped terminal section is retracted into the insulating housing and a lead section to be measured is engaged by the hook-shaped terminal section and a fixed terminal. The fixed terminal is provided at the tip of the insulating case so as to oppose the inner surface of the hook-shaped terminal portion. Two lead wires are respectively connected to the electroconductive pin and the fixed terminal at the rear end of the insulating housing.
REFERENCES:
patent: 2677117 (1954-04-01), Swain
patent: 3201746 (1965-08-01), Askew
patent: 3864629 (1975-02-01), Danna
patent: 4390233 (1983-06-01), Sanders, Jr.
Hewlett-Packard Milliohmmeter 4328A Operating and Service Manual, Yokogawa-Hewlett-Packard, Ltd., Jan. 1982, pp. 2-5-3-7.
Honda, M. "The Impedance Measurement Handbook", Yokogawa-Hewlett-Packard, Ltd., May 1989, pp. 3-1-3-3.
Takahashi Hideyuki
Takeda Koji
Hewlett--Packard Company
Howell Daniel W.
Vu Hien D.
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