Ammunition and explosives – Igniting devices and systems – Electrical primer or ignitor
Reexamination Certificate
2007-12-19
2009-11-10
Carone, Michael (Department: 3641)
Ammunition and explosives
Igniting devices and systems
Electrical primer or ignitor
C102S202120
Reexamination Certificate
active
07614344
ABSTRACT:
The present invention is a method of assembling a device employing electric ignition by comprising assembling an igniter assembly in the device, the igniter assembly having an electric igniter provided with a first electroconductive pin and a second electroconductive pin, connected to a power source, the method comprising steps of:forming two measurement circuits by using the first electroconductive pin and the second electroconductive pin as a measurement terminal on one end side, respectively, and using another member provided in the igniter assembly as a terminal on the other end side with a pass through a dielectric provided in the igniter assembly,measuring pure resistances and/or impedances of the two measurement circuits, respectively, by applying a high frequency thereto separately,distinguishing the first electroconductive pin from the second electroconductive pin from a magnitude relationship (difference) between the measured pure resistance and/or impedance values, andthen, disposing the igniter assembly to the device such that the first electroconductive pin and the second electroconductive pin correspond to predetermined power source electrodes, respectively.
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Birch, Stewart, Kolasch and Birch LLP
Carone Michael
Daicel Chemical Industries Ltd.
Tillman, Jr. Reginald
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