Facsimile transducer

Claim 2

The improvement in a facsimile transducer of the moving coil type comprising: first means defining two parallel surfaces; and a coil card disposed between said surfaces and adapted for movement in a direction parallel to said surfaces, said card being provided with three raised portions adjacent each parallel surface, said portions providing a low and controlled friction between said card and said surfaces.

Claim 3

A facsimile transducer comprising: a. means for providing a magnetic field; b. first means movably disposed in said magnetic field; c. second means responsive to movement of said first means for imprinting information on copy paper, said second means being directly coupled to said first means; d. positioning means for establishing the relative position of said second means and a copy material; and e. bearing means on said first means for positioning said first means in said magnetic field whereby the frictional forces between said first means and said magnetic field means are maintained at a low and uniform level independent of minor surface variations in said first means.

Claim 4

A facsimile transducer comprising: a. means for providing a magnetic field; b. first means movably disposed in said magnetic field; c. second means responsive to movement of said first means for imprinting information on copy paper, said second means being directly coupled to said first means; d. positioning means for establishing the relative position of said second means and a copy material; and e. bearing means on said first means for positioning said first means in said magnetic field whereby the frictional forces between said first means and said magnetic field means are maintained at a low and uniform level independent of minor surface variations in said first means.

Claim 5

The transducer of claim 2 wherein said bearing means comprises three raised portions on each surface of said first means.

Claim 6

The transducer of claim 3 wherein said raised portions comprise three inserts.

Claim 7

An improved facsimile transducer comprising: first means for creating a magnetic field; second means movably disposed in said magnetic field and provided with an aperture; and third means for damping the motion of said second means, said third means comprising a single damping member passing through said aperture.

Claim 8

An improved facsimile transducer comprising: first means for creating a magnetic field; second means movably disposed in said magnetic field and provided with an aperture; and third means for damping the motion of said second means, said third means comprising a single damping member passing through said aperture.

Claim 9

An improved facsimile transducer comprising: first means for creating a magnetic field; second means movably disposed in said magnetic field, said second means being provided with an aperture; third means for damping the motion of said second means, said third means comprising first and second members passing through said aperture, said first member isolating said second member from direct contact with said second means.

Claim 10

An improved facsimile transducer comprising: first means for creating a magnetic field; second means movably disposed in said magnetic field, said second means being provided with an aperture; third means for damping the motion of said second means, said third means comprising first and second members passing through said aperture, said first member isolating said second member from direct contact with said second means.

Claim 11

The improved transducer of claim 6 further comprising positioning means coupled to said second member for establishing the relative position of said second means and a copy material.

Claim 12

The improved transducer of claim 7 further comprising inertial means mechanically coupled to said second member and second damping means coupling said second member with said positioning means.

Claim 13

A facsimile transducer comprising: a. means for providing a magnetic field; b. first means movably disposed in said magnetic field; c. second means responsive to movement of said first means for imprinting information on a copy paper, said second means being directly coupled to said first means; d. positioning means for establishing the relative pOsition of said second means and a copy material, wherein e. said positioning means comprises damping means adapted to transmit relative position information and to not transmit undesired vibrations, said damping means further adapted to provide a damping of the motion of said first means throughout the extent of its travel.

Claim 14

A facsimile transducer comprising: a. means for providing a magnetic field; b. first means movably disposed in said magnetic field; c. second means responsive to movement of said first means for imprinting information on a copy paper, said second means being directly coupled to said first means; d. positioning means for establishing the relative pOsition of said second means and a copy material, wherein e. said positioning means comprises damping means adapted to transmit relative position information and to not transmit undesired vibrations, said damping means further adapted to provide a damping of the motion of said first means throughout the extent of its travel.

Claim 15

The transducer of claim 9 further comprising bearing means for positioning said first means in said magnetic field.

Claim 16

The transducer of claim 9 wherein said damping means comprises a first member passing through an aperture in said first means, and a damping material in contact with both said first member and said first means.

Claim 17

The transducer of claim 11 wherein said damping material prevents said first member from directly contacting said first means.