Electronic firing device for soft recoil weapons

Claim 2

In a weapon system having recoilable parts adapted for mounting a round of ammunition to be fired, nonrecoilable parts supporting the recoilable parts, and means for accelerating the recoilable parts relative to the nonrecoilable parts during a portion of a firing cycle, the combination comprising a toothed member mounted on one of said recoilable and nonrecoilable parts, sensing means mounted on the other of said parts and sensitive to the toothed surface of said member during acceleration of the recoilable parts for generating a first electrical signal, a delay circuit connected to a source of input voltage for generating a second electrical signal which is a function of temperature, a plurality of networks each connectible for forming a voltage divider and each voltage divider having a terminal whose voltage constitutes a third electrical signal representative of an individual round of ammunition, first control means responsive to said input voltage and said first, second, and third electrical signals for generating a fourth electrical signal to fire the weapon, and second control means responsive to said first and third electricals signals for generating a fifth electrical signal to terminate acceleration of said recoilable parts.

Claim 3

A combination according to claim 1 wherein said toothed member is a rack constructed of ferrous metal and said sensing means comprises a magnetized element whose magnetic field intercepts said toothed surface.

Claim 4

A combination according to claim 1 wherein said delay circuit is a temperature sensitive operational amplifier circuit.

Claim 5

A combination according to claim 1 wherein said first electrical signal is an ac signal and said first control means comprises a frequency to dc converter connected to receive said ac signal and generating means responsive to the output of said frequency to dc converter and to said second and third electricAl signals and said input voltage for generating said fourth electrical signal.

Claim 6

A combination according to claim 4 wherein said generating means comprises an operational ampilfier circuit.

Claim 7

A combination according to claim 1 wherein said first electrical signal is an ac signal and said second control means comprises a frequency to dc converter connected to receive said ac signal and generating means responsive to said frequency to dc converter and said third electrical signal for generating said fifth electrical signal.

Claim 8

A combination according to claim 6 wherein said generating means comprises an operational amplifier circuit.

Claim 9

In a soft recoil weapon system having recoilable parts adapted for mounting a round of ammunition to be fired, nonrecoilable parts supporting the recoilable parts, and means for accelerating the recoilable parts relative to the nonrecoilable parts during a portion of a firing cycle, the combination comprising a rack constructed of ferrous metal and mounted on said nonrecoilable parts, a magnetized element mounted on the recoilable parts and having a magnetic field which intercepts the teeth of said rack during acceleration of the recoilable parts for generating a first electrical signal, a temperature sensitive operational amplifier circuit, connected to a source of input voltage for generating a second electrical signal as a function of temperature, a plurality of networks each connectible for forming a voltage divider and each voltage divider having a terminal whose voltage constitutes a third electrical signal representative of an individual round of ammunition, first control means responsive to said input voltage and said first, second, and third electrical signals for generating a fourth electrical signal to fire the weapon, and second control means responsive to said first and third electrical signals for generating a fifth electrical signal to terminate acceleration of said recoilable parts.

Claim 10

In a soft recoil weapon system having recoilable parts adapted for mounting a round of ammunition to be fired, nonrecoilable parts supporting the recoilable parts, and means for accelerating the recoilable parts relative to the nonrecoilable parts during a portion of a firing cycle, the combination comprising a rack constructed of ferrous metal and mounted on said nonrecoilable parts, a magnetized element mounted on the recoilable parts and having a magnetic field which intercepts the teeth of said rack during acceleration of the recoilable parts for generating a first electrical signal, a temperature sensitive operational amplifier circuit, connected to a source of input voltage for generating a second electrical signal as a function of temperature, a plurality of networks each connectible for forming a voltage divider and each voltage divider having a terminal whose voltage constitutes a third electrical signal representative of an individual round of ammunition, first control means responsive to said input voltage and said first, second, and third electrical signals for generating a fourth electrical signal to fire the weapon, and second control means responsive to said first and third electrical signals for generating a fifth electrical signal to terminate acceleration of said recoilable parts.

Claim 11

A combination according to claim 8 characterized further by the provision of a temperature sensitive impedance element connected in the feedback loop of said temperature sensitive operational amplifier.

Claim 12

A combination according to claim 8 wherein said first electrical signal is an ac signal and said first control means comprises a frequency to dc converter connected to receive said ac signal and an operational amplifier circuit responsive to the output of said frequency to dc converter and to said second and third electrical signals and said input voltage for generating said fourth electrical signal.

Claim 13

A combination according to claim 8 wherein said first electrical signal is an ac signal and said second control means comprises a frequency to dc converter connected to receive said ac signal and an operational amplifier circuit responsive to the output of said frequency to dc converter and to said third electrical signal for generating said fifth electrical signal.