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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||G01L-005/14 G01P-005/18 G01P-013/00 G01S-015/00|
|미국특허분류(USC)||73/167 ; 364/565 ; 364/558 ; 364/517|
|발명자 / 주소|
|인용정보||피인용 횟수 : 26 인용 특허 : 0|
An apparatus and method for measuring ballistics in a firearm is disclosed. The apparatus comprises (a) a device for measuring pressure in a firearm-firing-chamber disposed at least in part at the strain sensitive region, and for producing analog signals indicative of the pressure, and connected to digitizing circuits which record the amplitudes of the signals representing pressure as a function of time; (b) a plurality of muzzle bullet sensors for measuring the relative times at which the bullet passes the plane of each sensor and for producing analog s...
An apparatus for measuring ballistics in a firearm comprising in combination: (a) an outside-surface-mounted means for measuring pressure in a firearm firing-chamber according to the following formula: [Figure] where the voltage amplifier gain equals 32500/N and N is computed by: [Figure] and where PSIMax is Maximum expected PSI, N is the gain port setting which is a digital setting to an amplifier gain port and is expressed as an integer from 20 to 255, G is the gage factor, D is the outside diameter of the firing chamber at the gage, and d is the insi...