Logging apparatus, methods and electronic detonators are presented for logging data, wherein the logger transmits read request messages to preprogrammed electronic detonators without transmitting any delay programming messaging, receives and stores electronic detonator data from a given one of the preprogrammed electronic detonators, and sends a verify command to cause the detonator to update its status flag to prevent the given electronic detonator from responding to subsequent read request messages.

Logging apparatus, methods and electronic detonators are presented for logging data, wherein the logger transmits read request messages to preprogrammed electronic detonators without transmitting any delay programming messaging, receives and stores electronic detonator data from a given one of the preprogrammed electronic detonators, and sends a verify command to cause the detonator to update its status flag to prevent the given electronic detonator from responding to subsequent read request messages.

Provided is an auto-ignition unit for a candle including a wick containing a conductive material, wherein the wick is ignited by a discharge (electric discharge). Further, provided is a candle containing the auto-ignition unit for a candle to thereby be automatically ignited by an electric signal.

Provided is an auto-ignition unit for a candle including a wick containing a conductive material, wherein the wick is ignited by a discharge (electric discharge). Further, provided is a candle containing the auto-ignition unit for a candle to thereby be automatically ignited by an electric signal.

Logging apparatus, methods and electronic detonators are presented for logging data, wherein the logger transmits read request messages to preprogrammed electronic detonators whithout transmitting any delay programming messaging, receives and stores electronic detonator data from a given one of the preprogrammed electronic detonators, and sends a verify command to cause the detonator to update its status flag to prevent the given electronic detonator from responding to subsequent read request messages.

Logging apparatus, methods and electronic detonators are presented for logging data, wherein the logger transmits read request messages to preprogrammed electronic detonators whithout transmitting any delay programming messaging, receives and stores electronic detonator data from a given one of the preprogrammed electronic detonators, and sends a verify command to cause the detonator to update its status flag to prevent the given electronic detonator from responding to subsequent read request messages.

A combustion chamber assembly unit for a fuel-operated vehicle heater includes a combustion chamber housing (14), a combustion chamber (18) formed in the combustion chamber housing (14), an evaporator medium (28) for the absorption of liquid fuel and for the discharge of fuel vapor into the combustion chamber (18), and a heating/ignition device (36) for heating the evaporator medium (28) or/and for igniting a mixture of fuel and combustion air formed in the combustion chamber (18). The heating/ignition device (38) includes at least one radiation source (38) for the emission of electromagnetic radiation into the combustion chamber (18) and at least one absorption body (29, 46) for the absorption of electromagnetic radiation emitted into the combustion chamber (18).

Described herein are methods and systems for using pyrophoric liquids to ignite combustible gas.

Described herein are methods and systems for using pyrophoric liquids to ignite combustible gas.

Described herein are methods and systems for using pyrophoric liquids to ignite combustible gas.