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Class Information
Number: 361/251
Name: Electricity: electrical systems and devices > Igniting systems > For explosive devices > With capacitor discharging into explosive device
Description: Subject matter wherein an explosive device is ignited by switching a charge capacitor to discharge into the device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533613 |
Slave device, such as in an electronic blasting system, capable of being identified if unknown or unmarked |
May. 19, 2009 |
| 7490552 |
MEMS microdetonator/initiator apparatus for a MEMS fuze |
Feb. 17, 2009 |
| 7466532 |
Ignition circuit for squib |
Dec. 16, 2008 |
| 7327550 |
Frequency diversity remote controlled initiation system |
Feb. 5, 2008 |
| 7322293 |
Device and system for identifying an unknow or unmarked slave device such as in an electronic blasting system |
Jan. 29, 2008 |
| 7322292 |
Squib |
Jan. 29, 2008 |
| 7301750 |
Electronic switching system for a detonation device, method of operation and explosive device including the same |
Nov. 27, 2007 |
| 7116542 |
Micro-switches for downhole use |
Oct. 3, 2006 |
| 7116543 |
Apparatus for supplying electric energy to explosion cartridge |
Oct. 3, 2006 |
| 7107908 |
Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator |
Sep. 19, 2006 |
| 7021218 |
Safety and performance enhancement circuit for primary explosive detonators |
Apr. 4, 2006 |
| 7017494 |
Method of identifying an unknown or unmarked slave device such as in an electronic blasting system |
Mar. 28, 2006 |
| 6789483 |
Detonator utilizing selection of logger mode or blaster mode based on sensed voltages |
Sep. 14, 2004 |
| 6268775 |
Dual capacitor oscillator circuit |
Jul. 31, 2001 |
| 5721391 |
Electronic firing circuit |
Feb. 24, 1998 |
| 5571985 |
Sequential blasting system |
Nov. 5, 1996 |
| 5510952 |
Ignition system using multiple gated switches with variable discharge energy levels and rates |
Apr. 23, 1996 |
| 5440991 |
Miniature self contained firing system |
Aug. 15, 1995 |
| 5415100 |
Apparatus and method for setting missile fuze delay |
May. 16, 1995 |
| 5367428 |
Integrated safety discharge module |
Nov. 22, 1994 |
| 5335598 |
Timing and firing circuitry |
Aug. 9, 1994 |
| 5282421 |
Timing apparatus |
Feb. 1, 1994 |
| 5249095 |
Laser initiated dielectric breakdown switch |
Sep. 28, 1993 |
| 5148346 |
EMI protected water-activated pressurized gas release apparatus |
Sep. 15, 1992 |
| 5146104 |
Electronic device for triggering a safety device |
Sep. 8, 1992 |
| 5023556 |
Sensor circuit response to different fluid conductivities and having time delay feature |
Jun. 11, 1991 |
| 4853637 |
Fluid conductivity sensor for actuating an electroexploding device |
Aug. 1, 1989 |
| 4827844 |
Electronic firing circuit |
May. 9, 1989 |
| 4768128 |
Water activated pressurized gas release device |
Aug. 30, 1988 |
| 4768127 |
Ignition system |
Aug. 30, 1988 |
| 4763077 |
Sensor circuit responsive to different fluid conductivities |
Aug. 9, 1988 |
| 4703280 |
Fluid conductivity sensor controlling an electro explosive device |
Oct. 27, 1987 |
| 4700263 |
Safe-arm system with electrical charge transfer circuit |
Oct. 13, 1987 |
| 4641580 |
Circuit apparatus for operating fireworks ignition |
Feb. 10, 1987 |
| 4517497 |
Capacitor discharge apparatus |
May. 14, 1985 |
| 4513248 |
Fluid conductivity sensor |
Apr. 23, 1985 |
| 4482858 |
Apparatus for and a method of testing detonating systems |
Nov. 13, 1984 |
| 4328751 |
Electronic delay blasting circuit |
May. 11, 1982 |
| 4157069 |
Initiation of blasting detonators |
Jun. 5, 1979 |
| 4089035 |
Hand-held detonator |
May. 9, 1978 |
| 4041865 |
Method and apparatus for detonating explosives |
Aug. 16, 1977 |
| 4024440 |
Water activated pressurized gas release device |
May. 17, 1977 |
| 4022131 |
Electrically-operated release apparatus |
May. 10, 1977 |
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