Optical crossbar switching device

Claim 2

Electronic data matrix retrieval means employing optical crossbar switching, with the matrix addresses in a digital code comprising at least three digits, and comprising: resolver means adapted to be responsive to a radix-10 type pulse coded dialing tone signal for providing 10 point count per frame, and having radix 10 frame count output signal lines corresponding to 10n, 101, 100 of a radix 10 coded address of at least three digits; matrix decode means for converting said radix-10 coded address to a line select and column select output pair corresponding to the matrix address of a stored data element in a data storage matrix; and photo electric crossbar switching means having sets of addressing terminals and terminals to be addressed and responsive to said line select and column select outputs of said matrix decode means for interconnecting a selected addressed terminal set with a preselected addressing terminal set.

Claim 3

Electronic data matrix retrieval means for a matrix having digitally coded addresses with at least three digits, and comprising: resolver means adapted to be responsive to a preselectively radix coded pulse coded address of at least three digits for providing serial output lines corresponding to a radix count per frame and frame count corresponding to rn, r1, r0, matrix decode means responsive to said resolver for converting said radix-coded address to a set of concomitant decode outputs corresponding to the matrix address of a selected stored data element of a data storage matrix; and photo electric crossbar switching means responsive to said matrix decode means for interconnecting a selected set of addressing and addressed terminals, said addressed terminals being selected from a plurality of terminals corresponding to the elements of said data storage matrix.

Claim 4

Electronic data matrix retrieval means for a matrix having digitally coded addresses with at least three digits, and comprising: resolver means adapted to be responsive to a preselectively radix coded pulse coded address of at least three digits for providing serial output lines corresponding to a radix count per frame and frame count corresponding to rn, r1, r0, matrix decode means responsive to said resolver for converting said radix-coded address to a set of concomitant decode outputs corresponding to the matrix address of a selected stored data element of a data storage matrix; and photo electric crossbar switching means responsive to said matrix decode means for interconnecting a selected set of addressing and addressed terminals, said addressed terminals being selected from a plurality of terminals corresponding to the elements of said data storage matrix.

Claim 5

Photoelectric optical crossbar switching means for selecting a given element in a matrix of decks of lines and columns of elements and each deck comprising: a column finder having a first plurality of columns of photoelectric responsive switching means, said first plurality correspOnding to the number of columns of each deck of said data matrix; each said column of photoelectric responsive switching means comprising a single switchable light source and a second plurality of photoelectric responsive switches commonly responsive to said light source, said second plurality corresponding to the number of lines in each deck of said data matrix; and a line finder comprising a like plurality of switchable light sources as said second plurality of photoelectric responsive switches, and further comprising a corresponding plurality of associated photoelectric responsive switches, each associated switch being responsive to a mutually exclusive light source of said second plurality of light sources, a like terminal of each said line finder switches being commonly connected to form an addressing terminal, like switches of each column of switches being commonly connected in series with a preselected one of said line finder switches, whereby the concomitant excitation of a mutually exclusive one of the line finder light sources and a mutually exclusive one of the column finder light sources results in the interconnection of said addressing terminal and an addressed terminal.

Claim 6

Photoelectric optical crossbar switching means for selecting a given element in a matrix of decks of lines and columns of elements and each deck comprising: a column finder having a first plurality of columns of photoelectric responsive switching means, said first plurality correspOnding to the number of columns of each deck of said data matrix; each said column of photoelectric responsive switching means comprising a single switchable light source and a second plurality of photoelectric responsive switches commonly responsive to said light source, said second plurality corresponding to the number of lines in each deck of said data matrix; and a line finder comprising a like plurality of switchable light sources as said second plurality of photoelectric responsive switches, and further comprising a corresponding plurality of associated photoelectric responsive switches, each associated switch being responsive to a mutually exclusive light source of said second plurality of light sources, a like terminal of each said line finder switches being commonly connected to form an addressing terminal, like switches of each column of switches being commonly connected in series with a preselected one of said line finder switches, whereby the concomitant excitation of a mutually exclusive one of the line finder light sources and a mutually exclusive one of the column finder light sources results in the interconnection of said addressing terminal and an addressed terminal.

Claim 7

Photoelectric optical crossbar switching means for selecting a given element in a matrix of rows and columns of elements and comprising: a first and second plurality of separately excitable light sources corresponding to the respective number of rows and columns of said data matrix, a like plurality of photoelectric responsive line finder switches as said first plurality of rows of said matrix, with each line finder switch in an electric circuit separate from and electrically isolated from said light sources and responsive to a mutually exclusive source of said first plurality of light sources, and a like plurality of sets of photoelectric responsive switches as said second plurality of columns of said data matrix, each set having a like number of switches as said number of rows of said matrix and each set of switches being responsive to a mutually exclusive source of said second plurality of light sources, a corresponding switch of each set of switches being commonly connected in series with a mutually exclusive one of said line finder switches, with each of said switches in an electric circuit separate from and electrically isolated from aid light sources.

Claim 8

Photoelectric optical crossbar switching means for selecting a given element in a matrix of rows and columns of elements and comprising: a first and second plurality of separately excitable light sources corresponding to the respective number of rows and columns of said data matrix, a like plurality of photoelectric responsive line finder switches as said first plurality of rows of said matrix, with each line finder switch in an electric circuit separate from and electrically isolated from said light sources and responsive to a mutually exclusive source of said first plurality of light sources, and a like plurality of sets of photoelectric responsive switches as said second plurality of columns of said data matrix, each set having a like number of switches as said number of rows of said matrix and each set of switches being responsive to a mutually exclusive source of said second plurality of light sources, a corresponding switch of each set of switches being commonly connected in series with a mutually exclusive one of said line finder switches, with each of said switches in an electric circuit separate from and electrically isolated from aid light sources.

Claim 9

In a data retrieval system for operation with a source of radix-coded pulse code addresses to connect an addressed terminal of a data matrix to an addressing terminal, where the terminal address comprises at least three digits, the combination of: a resolver having an input responsive to a radix-coded serial pulse code address which corresponds to the matrix address of a data element to be retrieved, and providing n+1 output sets radix-coded rn, r1, r0, with an output set corresponding to a digit of the terminal address and with n at least 2, with an output signal on a line of each output set corresponding to the radix-coded address of said data element; a decode matrix having said output sets of said resolver as an input and having a line output set and a column output set corresponding to the rows and columns, respectively, of said data matrix, said decode matrix providing outputs on a line and column output pair corresponding to the address in said data matrix of said input serial pulse code address; and a photoelectric crossbar switching unit having a plurality of addressed terminals corresponding to data elements and having said decode matrix line and column output sets as inputs and responsive to outputs on a line and column pair for connecting a selected addressed terminal to the addressing terminal.

Claim 10

In a data retrieval system for operation with a source of radix-coded pulse code addresses to connect an addressed terminal of a data matrix to an addressing terminal, where the terminal address comprises at least three digits, the combination of: a resolver having an input responsive to a radix-coded serial pulse code address which corresponds to the matrix address of a data element to be retrieved, and providing n+1 output sets radix-coded rn, r1, r0, with an output set corresponding to a digit of the terminal address and with n at least 2, with an output signal on a line of each output set corresponding to the radix-coded address of said data element; a decode matrix having said output sets of said resolver as an input and having a line output set and a column output set corresponding to the rows and columns, respectively, of said data matrix, said decode matrix providing outputs on a line and column output pair corresponding to the address in said data matrix of said input serial pulse code address; and a photoelectric crossbar switching unit having a plurality of addressed terminals corresponding to data elements and having said decode matrix line and column output sets as inputs and responsive to outputs on a line and column pair for connecting a selected addressed terminal to the addressing terminal.

Claim 11

In a data retrieval system for operation with a source of radix-coded pulse code addresses to connect an addressed terminal of a data matrix to an addressing terminal, the combination of: a resolver having an input responSive to a radix-coded serial pulse code address which corresponds to the matrix address of a data element to be retrieved, and providing n+ 1 output sets radix-coded rn, r1, r0, with n at least 2, with an output signal on a line of each output set corresponding to the radix-coded address of said data element; a decode matrix having said output sets of said resolver as an input and having a line output set and a column output set corresponding to the rows and columns, respectively, of said data matrix, said decode matrix providing outputs on a line and column output pair corresponding to the address in said data matrix of said input serial pulse code address; and a photoelectric crossbar switching unit having a plurality of addressed terminals corresponding to data elements and having said decode matrix line and column output sets as inputs and responsive to outputs on a line and column pair for connecting a selected addressed terminal to the addressing terminal, said crossbar switching unit including: a first plurality of separately excitable light sources corresponding to the number of rows of said data matrix with said decode matrix line output set connected thereto in driving relation; a second plurality of separately excitable light sources corresponding to the number of columns of said data matrix with said decode matrix column output set connected thereto in driving relation; a corresponding first plurality of photoelectric responsive line finder switches, each line finder switch responsive to a mutually exclusive source of said first plurality of light sources; and a corresponding second plurality of sets of photoelectric responsive switches, each set having a like number of switches as said number of rows of said matrix and each set of switches being responsive to a mutually exclusive source of said second plurality of light sources, a corresponding switch of each set of switches being commonly connected in series with a mutually exclusive one of said line finder switches.

Claim 12

In a data retrieval system for operation with a source of radix-coded pulse code addresses to connect an addressed terminal of a data matrix to an addressing terminal, the combination of: a resolver having an input responSive to a radix-coded serial pulse code address which corresponds to the matrix address of a data element to be retrieved, and providing n+ 1 output sets radix-coded rn, r1, r0, with n at least 2, with an output signal on a line of each output set corresponding to the radix-coded address of said data element; a decode matrix having said output sets of said resolver as an input and having a line output set and a column output set corresponding to the rows and columns, respectively, of said data matrix, said decode matrix providing outputs on a line and column output pair corresponding to the address in said data matrix of said input serial pulse code address; and a photoelectric crossbar switching unit having a plurality of addressed terminals corresponding to data elements and having said decode matrix line and column output sets as inputs and responsive to outputs on a line and column pair for connecting a selected addressed terminal to the addressing terminal, said crossbar switching unit including: a first plurality of separately excitable light sources corresponding to the number of rows of said data matrix with said decode matrix line output set connected thereto in driving relation; a second plurality of separately excitable light sources corresponding to the number of columns of said data matrix with said decode matrix column output set connected thereto in driving relation; a corresponding first plurality of photoelectric responsive line finder switches, each line finder switch responsive to a mutually exclusive source of said first plurality of light sources; and a corresponding second plurality of sets of photoelectric responsive switches, each set having a like number of switches as said number of rows of said matrix and each set of switches being responsive to a mutually exclusive source of said second plurality of light sources, a corresponding switch of each set of switches being commonly connected in series with a mutually exclusive one of said line finder switches.