Disc memory system including unitary support member and printed circuit board

Claim 2

A disc memory system including a memory disc for storing information and a motor having a shaft member for providing a rotation of the memory disc, including: a unitary main frame member including a first flat portion having a central opening and a plurality of support surfaces and a second cylindrical portion extending below the first flat portion and surrounding the central opening in a perpendicular direction to the first flat portion, means mounted within the cylindrical portion of the main frame member for supporting the motor within the cylindrical portion and with the shaft member extending through the central openiNg of the first flat portion to support the memory disc for rotation above the support surfaces, and a plurality of transducer means mounted on particular ones of the support surfaces and adjacent to the memory disc for use in recording information on and reproducing information from the memory disc and with the particular ones of the support surface having machined surfaces to position the transducer means at desired radial locations relative to the central opening of the first flat portion to record and reproduce the information at different radial positions on the memory disc.

Claim 3

The disc memory system of claim 1 wherein each of the plurality of transducer means is substantially identical and includes a first positioning surface and wherein each of the support surfaces includes a second positioning surface to mate with the first positioning surface of the transducer means and wherein the second positioning surfaces are machined to position the transducer means to different radial positions relative to the memory disc.

Claim 4

The disc memory system of claim 1 wherein the support surfaces are located at different positions to support the transducer means to be located circumferentially around the memory disc.

Claim 5

A disc memory system including a memory disc for storing information and a motor having a shaft member for providing a rotation of the memory disc, including: a unitary main frame member including a first flat portion having a central opening and a plurality of support surfaces and a second cylindrical portion extending below the first flat portion and surrounding the central opening in a perpendicular direction to the first flat portion, means mounted within the cylindrical portion of the main frame member for supporting the motor within the cylindrical portion and with the shaft member extending through the central opening of the first flat portion to support the memory disc for rotation above the support surfaces, transducer means mounted on particular ones of the support surfaces and adjacent to the memory disc for use in recording information from the memory disc and with the particular ones of the support surfaces having machined surfaces to position the transducer means at desired radial locations relative to the central opening of the first flat portion to record and reproduce the information at different radial positions on the memory disc, and housing means in combination with the main frame member for enclosing the memory disc and the transducer means to provide a first dustproof enclosure for the memory disc and the transducer means.

Claim 6

A disc memory system including a memory disc for storing information and a motor having a shaft member for providing a rotation of the memory disc, including: a unitary main frame member including a first flat portion having a central opening and a plurality of support surfaces and a second cylindrical portion extending below the first flat portion and surrounding the central opening in a perpendicular direction to the first flat portion, means mounted within the cylindrical portion of the main frame member for supporting the motor within the cylindrical portion and with the shaft member extending through the central opening of the first flat portion to support the memory disc for rotation above the support surfaces, transducer means mounted on particular ones of the support surfaces and adjacent to the memory disc for use in recording information from the memory disc and with the particular ones of the support surfaces having machined surfaces to position the transducer means at desired radial locations relative to the central opening of the first flat portion to record and reproduce the information at different radial positions on the memory disc, and housing means in combination with the main frame member for enclosing the memory disc and the transducer means to provide a first dustproof enclosure for the memory disc and the transducer means.

Claim 7

The disc memory system of claim 4 additionally including electronic means located adjacent to the housing means and including means for enclosing the electronic means in a second dustproof housing located adjacent to the housing means.

Claim 8

The disc memory system of claim 4 additionally including a single printed circuit board containing a substantial portion of the electronics used to record and reproduce information on the memory disc and with the printed circuit board located adjacent to and in a parallel plane to the memory disc.

Claim 9

A disc memory system for use in recording information on and reproducing information from a memory disc, including: a main frame member, a memory disc, first means mounted on the main frame for supporting the memory disc for rotation above the main frame, a first cover member in combination with the main frame forming a first sealed compartment containing at least the memory disc, a printed circuit board containing a substantial portion of the electronics used in controlling the recording and reproduction of the information on the memory disc, second means for supporting the printed circuit board in proximity to the memory disc and above the first cover member, and a second cover member in combination with the first cover member forming a second sealed compartment containing at least the printed circuit board.

Claim 10

A disc memory system for use in recording information on and reproducing information from a memory disc, including: a main frame member, a memory disc, first means mounted on the main frame for supporting the memory disc for rotation above the main frame, a first cover member in combination with the main frame forming a first sealed compartment containing at least the memory disc, a printed circuit board containing a substantial portion of the electronics used in controlling the recording and reproduction of the information on the memory disc, second means for supporting the printed circuit board in proximity to the memory disc and above the first cover member, and a second cover member in combination with the first cover member forming a second sealed compartment containing at least the printed circuit board.

Claim 11

The disc memory system of claim 7 wherein the main frame member includes various support surfaces to support the memory disc and a plurality of transducer means in interrelation with each other.

Claim 12

The disc memory system of claim 7 wherein the printed circuit board is in a parallel plane to the memory disc.

Claim 13

A disc memory system for use in recording information on and reproducing information from a memory disc, including: a unitary main frame member including a plurality of support surfaces machined to desired tolerances, a memory disc, first means mounted on at least one of the support surfaces of the main frame for supporting the memory disc for rotation a particular distance above the main frame, transducer means mounted on the support surfaces and with the machined tolerances of the support surfaces providing the desired mechanical interrelationship between the transducer means and the memory disc, a first cover member in combination with the main frame forming a first sealed compartment containing at least the memory disc and the transducer means, a printed circuit board containing a substantial portion of the electronics used in controlling the recording and reproduction of the information on the memory disc by the transducer means, second means for supporting the printed circuit board in proximity to the memory disc and above the first cover member, and a second cover member in combination with the first cover member forming a second sealed compartment containing at least the printed circuit board.

Claim 14

A disc memory system for use in recording information on and reproducing information from a memory disc, including: a unitary main frame member including a plurality of support surfaces machined to desired tolerances, a memory disc, first means mounted on at least one of the support surfaces of the main frame for supporting the memory disc for rotation a particular distance above the main frame, transducer means mounted on the support surfaces and with the machined tolerances of the support surfaces providing the desired mechanical interrelationship between the transducer means and the memory disc, a first cover member in combination with the main frame forming a first sealed compartment containing at least the memory disc and the transducer means, a printed circuit board containing a substantial portion of the electronics used in controlling the recording and reproduction of the information on the memory disc by the transducer means, second means for supporting the printed circuit board in proximity to the memory disc and above the first cover member, and a second cover member in combination with the first cover member forming a second sealed compartment containing at least the printed circuit board.

Claim 15

The disc memory system of claim 10 wherein the printed circuit board is in a plane parallel to the plane of the memory disc.

Claim 16

The disc memory system of claim 10 wherein the second cover member is removable to provide access to the printed circuit board for servicing without exposing the memory disc.

Claim 17

A disc memory system for use in recording and reproducing information, including: a memory disc for receiving information for recording on and reproducing from the memory disc, first means for mounting the memory disc for rotation in a first particular plane, a single printed circuit board including a substantial portion of the electronics for controlling the recording of information on the memory disc and the reproduction of information from the memory disc, and second means for mounting the single printed circuit board adjacent to and in a plane parallel to the memory disc.

Claim 18

A disc memory system for use in recording and reproducing information, including: a memory disc for receiving information for recording on and reproducing from the memory disc, first means for mounting the memory disc for rotation in a first particular plane, a single printed circuit board including a substantial portion of the electronics for controlling the recording of information on the memory disc and the reproduction of information from the memory disc, and second means for mounting the single printed circuit board adjacent to and in a plane parallel to the memory disc.

Claim 19

The disc memory system of claim 13 additionally including means for enclosing the memory disc and the printed circuit board in separate sealed compartments.

Claim 20

A disc memory system for use in recording and reproducing information, including: a rotatable memory disc, first means for providing a first sealed compartment for enclosing the rotatable memory disc, second means for providing a second sealed compartment adjacent to the first sealed compartment, electronic means for providing a control of the recording of the information on the memory disc and the reproduction of the information from the memory disc, and third means for mounting the electronic means within the second sealed compartment.

Claim 21

A disc memory system for use in recording and reproducing information, including: a rotatable memory disc, first means for providing a first sealed compartment for enclosing the rotatable memory disc, second means for providing a second sealed compartment adjacent to the first sealed compartment, electronic means for providing a control of the recording of the information on the memory disc and the reproduction of the information from the memory disc, and third means for mounting the electronic means within the second sealed compartment.

Claim 22

The disc memory system of claim 15 wherein the electronic means is contained on a single printed circuit board located in a plane parallel to the plane of the memory disc.