Geometrical instruments – Area integrators – Electrical
Patent
1975-12-10
1977-09-20
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
35 29R, 116124R, 340282, G08B 2100
Patent
active
040487261
ABSTRACT:
An apparatus for sighting a projectile firing weapon includes signal generators for producing signals when the weapon is oriented for firing at a pre-selected elevation and azimuth. An actuator mounted on the weapon activates the signal generators when the weapon is in the desired position. The device is particularly suited for use by blind persons and provides an audible signal which may be used to indicate when a weapon such as a bow and arrow, rifle or pistol has been properly oriented by the user for firing at a distant target.
REFERENCES:
patent: 1273034 (1918-07-01), Coleman
patent: 2064603 (1936-12-01), Harrison
patent: 2791762 (1957-05-01), Berry
patent: 3291111 (1966-12-01), Smith
patent: 3306616 (1967-02-01), Baldwin et al.
Aegerter Richard E.
Stearns Richard R.
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