Graphic recording system

Claim 2

In a graphic recording system including a two stylus moving strip chart recorder, apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying energizing voltages to said transducing means, mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, first and second output terminal means, and circuit means respectively coupling the output voltages of said first and second transducing means to said first and second output terminal means.

Claim 3

In a graphic recording system including a two stylus moving strip chart recorder, apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying voltages to the resistive portions of said potentiometers, and output terminal means coupled to the wipers of said potentiometers.

Claim 4

In a graphic recording system including a two stylus moving strip chart recorder, apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying voltages to the resistive portions of said potentiometers, and output terminal means coupled to the wipers of said potentiometers.

Claim 5

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying energizing voltages proportional to the velocity of sound in water to said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, first and second output terminal means, and circuit means respectively coupling the output voltages of said first and second transducing means to said first and second output terminal means.

Claim 6

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying energizing voltages proportional to the velocity of sound in water to said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, first and second output terminal means, and circuit means respectively coupling the output voltages of said first and second transducing means to said first and second output terminal means.

Claim 7

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving systems, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respEct to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying voltages proportional to the velocity of sound in water to the resistive portions of said potentiometers, and output terminal means coupled to the wipers of said potentiometers.

Claim 8

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving systems, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respEct to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying voltages proportional to the velocity of sound in water to the resistive portions of said potentiometers, and output terminal means coupled to the wipers of said potentiometers.

Claim 9

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving systems, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying on energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means.

Claim 10

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving systems, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying on energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means.

Claim 11

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltage appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means.

Claim 12

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltage appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means.

Claim 13

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursoRs each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying an energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means, and means to apply a voltage proportional to a reference base line to the other of said output terminal means.

Claim 14

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursoRs each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying an energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means, and means to apply a voltage proportional to a reference base line to the other of said output terminal means.

Claim 15

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltage appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means, and means to apply a voltage proportional to a reference base line to the other of said output terminal means.

Claim 16

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltage appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means, and means to apply a voltage proportional to a reference base line to the other of said output terminal means.

Claim 17

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying an energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third Cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means, means to apply a voltage proportional to a reference base line to the other of said output terminal means, counter means, circuit means coupling said counter means to said pair of output terminal means, and signalling circuit means coupled to said indicating means.

Claim 18

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second electromechanical transducing means, means applying an energizing voltage proportional to the velocity of sound in water to one of said transducing means, means applying an energizing voltage proportional to one-half the velocity of sound in water to the other of said transducing means, means mechanically coupling said first transducing means to said first and second cursors whereby said first transducing means provides an output voltage which varies in accordance with the displacement between said first and second cursors, means mechanically coupling said second transducing means to said first and third Cursors whereby said second transducing means provides an output voltage which varies in accordance with the displacement between said first and third cursors, a pair of output terminal means, circuit means coupling the output voltage of one of said transducing means to one of said output terminal means, circuit means coupling the output voltages of said first and second transducing means in opposition to the other of said output terminal means, means to apply a voltage proportional to a reference base line to the other of said output terminal means, counter means, circuit means coupling said counter means to said pair of output terminal means, and signalling circuit means coupled to said indicating means.

Claim 19

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltages appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means, means to apply a voltage proportional to a reference baseline to the other of said output terminal means, counter means, indicating means, circuit means coupling said counter means to said pair of output terminal means, and signalling circuit means coupled to said indicating means.

Claim 20

In a sonobuoy data processing system including a two stylus moving strip chart recorder having the stylus actuating mechanisms thereof coupled to the output circuits of a two-channel sonobuoy receiving system, read-out and computing apparatus comprising: a first mechanical cursor mounted on said recorder to span said strip chart for sliding movement therealong, second and third mechanical cursors each mounted on said recorder to span a portion of said chart for sliding movement therealong with respect to said first cursor, first and second potentiometers having the resistive portions thereof mechanically coupled to said first cursor for translation with respect to the wipers thereof, means mechanically coupling the wipers of said first and second potentiometers respectively to said second and third cursors for translation with respect to the resistive portions thereof, means applying a voltage proportional to the velocity of sound in water to the resistive portion of one of said potentiometers, means applying a voltage proportional to one-half the velocity of sound in water to the resistive portion of the other of said potentiometers, a pair of output terminal means, circuit means coupling the voltages appearing at the wiper of one of said potentiometers to one of said output terminal means, circuit means coupling the voltages appearing at the wipers of said potentiometers in opposition to the other of said output terminal means, means to apply a voltage proportional to a reference baseline to the other of said output terminal means, counter means, indicating means, circuit means coupling said counter means to said pair of output terminal means, and signalling circuit means coupled to said indicating means.