SU89277A1 - Photoelectric Integrameter - Google Patents

Description

The subject of the invention is a device for integrating functions defined graphically.

The known devices containing photocells have the disadvantage that the result of the calculation depends on the characteristics of the photocell.

In the described invention, this disadvantage is eliminated by the fact that the photocell is connected (electrically) with a counter that is switched on at the time the beam intersects the segment Between the abscissa axis and the graph of the integrable function.

In FIG. 1 shows a schematic cross-sectional view of an integramet1) a, in FIG. 2 - its longitudinal section.

Tape 1 with a plot of an integrable function printed on it is drawn through pipe 2 provided with a guide longitudinal protrusion 3.

Inside the pipe there is a light source 4, covered by a casing 5, which is rotated from shaft 6 through gears 7. On the casing, an optical system 8 is fixed, throwing a light beam onto the paper, concentrated at one point and reflected on the photocell I

Shaft 6 simultaneously drives the counting wheel; the transmission is carried out through a scene activated mechanically at the moment when the beam passes a protrusion 3 and is switched off by an electromagnet from a photocell pulse when the beam crosses the graph of the integrated function. The number of revolutions of the counting wheel (not shown in the drawing) is proportional to the value. the area enclosed between the protrusion 3 and the curve under study, or the integral of the function depicted graphically.

Subject invention

Claims (2)

1. A photoelectric integrator equipped with a counter, distinguished by the fact that, in order to eliminate errors in integration, resulting from the nonlinearity of the photocell characteristics, as well as to study the graphs of unrestricted distance, it is made the tape is printed with a plot of the integrated function printed on it and inside which there is a photocell, including entered into the counter circuit, and the light source illuminating the photocell through the optical system with a beam of light reflected from the surface of the tape with a graphnka of the integrated function, the onsche system being fixed in a rotatable environment, an eM light source connected to a revolution counter switched on by a light beam graphics of the integrated JI function that is turned off at nonresractonin. The light beam of the ribbon edge. 2. A photoelectric integrameter according to claim 1, characterized in that, in order to prevent possible inconsistencies in its operation, due to the presence of extraneous points or spots on the tape, the meter is mechanically connected with the rotating one in such a way that it turns on (or is turned off) by a non-truncated ribbon light.