Alphanumeric parallel tone, sequential character system, method, and apparatus

Claim 2

A parallel tone transmitter comprising a plurality of means for operating a pair of oscillators selectively to produce predetermined pairs of tones, means for automatically changing the earlier frequency of one of each of said pairs of tones to a later frequency during the interval of generation of a chained sequential character commenced by one of each of said predetermined pairs, said earlier frequency changing to said later frequency after a predetermined interval, substantially without an intracharacter gap interval between the earlier and later frequencies, whereby a continuous chained sequential character is generated.

Claim 3

A parallel tone character code transmission system wherein each character is transmitted in a character interval, comprising: means for generating one tone of each of a plurality of sets of tones simultaneously during a character interval, and means for completing a Character by chaining a substitution of tones in only one set during a character interval.

Claim 4

A parallel tone character code transmission system wherein each character is transmitted in a character interval, comprising: means for generating one tone of each of a plurality of sets of tones simultaneously during a character interval, and means for completing a Character by chaining a substitution of tones in only one set during a character interval.

Claim 5

A multiple frequency split character code transmission system comprising: means for generating a plurality of sets of tones, means for varying at least one tone of each set during an interval of substantially continuous tone transmission to complete a character, substantially without an intracharacter gap in said sets of tones during said interval, means for receiving a character comprising means for providing a different signal for each tone of each set, means for assuring continuous presence of at least one tone of each set for a minimum interval of time in excess of the period of an unwanted interfering signal to be suppressed, means for storing an indication of the presence of a signal representing a tone present during only the initial interval of a character period, and means for presenting an indication of said signals representing the tones of each set in parallel at outputs determined in accordance with sequential order and sets simultaneously including said indication stored in said means for storing.

Claim 6

A multiple frequency split character code transmission system comprising: means for generating a plurality of sets of tones, means for varying at least one tone of each set during an interval of substantially continuous tone transmission to complete a character, substantially without an intracharacter gap in said sets of tones during said interval, means for receiving a character comprising means for providing a different signal for each tone of each set, means for assuring continuous presence of at least one tone of each set for a minimum interval of time in excess of the period of an unwanted interfering signal to be suppressed, means for storing an indication of the presence of a signal representing a tone present during only the initial interval of a character period, and means for presenting an indication of said signals representing the tones of each set in parallel at outputs determined in accordance with sequential order and sets simultaneously including said indication stored in said means for storing.

Claim 7

Apparatus for splitting parallel tones comprising a first set of inputs adapted to be coupled to a first set of outputs in a first frequency range of a parallel tone receiver, a second set of inputs adapted to be coupled to a second set of outputs in a second frequency range of a parallel tone receiver, means for assuring continuity of at least one signal in each set for a minimum interval of time, means for storing the identity of the initial output of one of said oscillators, and means for providing signals indicative of the identity of each of the tones received by said apparatus during said minimum interval of time including a separate signal indicative of the identity of said initial output and the subsequent output of one of said oscillators during said minimum interval of time.

Claim 8

Apparatus for splitting parallel tones comprising a first set of inputs adapted to be coupled to a first set of outputs in a first frequency range of a parallel tone receiver, a second set of inputs adapted to be coupled to a second set of outputs in a second frequency range of a parallel tone receiver, means for assuring continuity of at least one signal in each set for a minimum interval of time, means for storing the identity of the initial output of one of said oscillators, and means for providing signals indicative of the identity of each of the tones received by said apparatus during said minimum interval of time including a separate signal indicative of the identity of said initial output and the subsequent output of one of said oscillators during said minimum interval of time.

Claim 13

A method in accordance with claim 6 wherein: the resultant tones are transmitted over a communications channel capable of transmitting parallel tones, and receiving said tones and splitting said tones to provide y+n parallel outputs for each character.

Claim 16

Apparatus for processing sequential-parallel, complex character signals including: first means for receiving a first set of input signals; second means for receiving a second set of input signals; duration means for assuring substantial signal continuity for a minimum duration, means for storing indications of the identity of initial portions of sequential characters for said second set of input signals, said means for storing being coupled to said second means, and means for coupling output signals to outputs from said first and second means for receiving input signals and said means for storing signals for a character, in response to an output from said duration means, said output signals being indicative of the identity of said input signals and being converted from sequential to parallel output by character. 10 Apparatus for processing sequential-parallel, complex character signals including: first means for receiving a first set of input signals; second means for receiving a second set of input signals; duration means for assuring substantial continuity of reception of a signal in at least one of said sets for a minimum duration, means for storing indications of the identity of initial portions of sequential characters for said second set of input signals, said means for storing being coupled to said second means, and means for coupling output signals to outputs from said means for receiving input signals and said means for storing signals, said output signals being indicative of the identity of all said input signals for a character, in parallel, in response to an output from said duration means.

Claim 17

Apparatus for processing sequential-parallel, complex character signals including: first means for receiving a first set of input signals; second means for receiving a second set of input signals; duration means for assuring substantial signal continuity for a minimum duration, means for storing indications of the identity of initial portions of sequential characters for said second set of input signals, said means for storing being coupled to said second means, and means for coupling output signals to outputs from said first and second means for receiving input signals and said means for storing signals for a character, in response to an output from said duration means, said output signals being indicative of the identity of said input signals and being converted from sequential to parallel output by character. 10 Apparatus for processing sequential-parallel, complex character signals including: first means for receiving a first set of input signals; second means for receiving a second set of input signals; duration means for assuring substantial continuity of reception of a signal in at least one of said sets for a minimum duration, means for storing indications of the identity of initial portions of sequential characters for said second set of input signals, said means for storing being coupled to said second means, and means for coupling output signals to outputs from said means for receiving input signals and said means for storing signals, said output signals being indicative of the identity of all said input signals for a character, in parallel, in response to an output from said duration means.

Claim 18

Apparatus for processing sequential-parallel complex character signals including: first means for receiving a first set of inputs, second means for receiving a second set of inputs, duration means for determining that there is substantial continuity of reception of a signal in at least one of said first and second means for a minimum duration and for providing an output indicative thereof, means for storing indications of the identity of the initial portions of sequential characters for one of said sets of input signals, and means for coupling output signals to outputs from said means for receiving input signals and said means for storing signals, said output signals being indicative of the identity of said input signals for a character in response to said output from said duration means, said sequential-parallel complex character signals being converted to parallel output by character.

Claim 19

Apparatus for processing sequential-parallel complex character signals including: first means for receiving a first set of inputs, second means for receiving a second set of inputs, duration means for determining that there is substantial continuity of reception of a signal in at least one of said first and second means for a minimum duration and for providing an output indicative thereof, means for storing indications of the identity of the initial portions of sequential characters for one of said sets of input signals, and means for coupling output signals to outputs from said means for receiving input signals and said means for storing signals, said output signals being indicative of the identity of said input signals for a character in response to said output from said duration means, said sequential-parallel complex character signals being converted to parallel output by character.

Claim 20

A sequential-parallel to parallel conversion system comprising A input means, B input means, B storage means, an A output means for coupling said A input means to said A output means, a first B output and a second B output, means for coupling an input signal received by said B input means to said B storage means and second means for coupling the contents of said B storage means to said first B output in response to a gating signal, and means for timing reception of an input signal having substantial continuity for a minimum interval couple to one of said input means and operative to provide said gating signal at its output coupled to said second means for coupling at the end of said minimum interval, means for coupling said B input means to said second B output.

Claim 21

A sequential-parallel to parallel conversion system comprising A input means, B input means, B storage means, an A output means for coupling said A input means to said A output means, a first B output and a second B output, means for coupling an input signal received by said B input means to said B storage means and second means for coupling the contents of said B storage means to said first B output in response to a gating signal, and means for timing reception of an input signal having substantial continuity for a minimum interval couple to one of said input means and operative to provide said gating signal at its output coupled to said second means for coupling at the end of said minimum interval, means for coupling said B input means to said second B output.

Claim 22

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a firsT portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and sequential signal of said second set during said second portion of said time period, input means for receiving parallel-sequential signals, storing means for storing signals of said second set received during said first portion of said time period, said storing means being coupled to said input means, output means for said signals, continuity means for detecting and indicating substantial continuity of a signal during said entire character time period, said continuity means being coupled to said input means, and coupling means responsive to said continuity means, when said substantial continuity is detected, for assuring coincident output by said output means during said second portion of said time period of a signal indicative of said first set of both signals indicative of said second set, said output means being coupled to said input means and said storing means by said coupling means in response to said continuity means.

Claim 23

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a firsT portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and sequential signal of said second set during said second portion of said time period, input means for receiving parallel-sequential signals, storing means for storing signals of said second set received during said first portion of said time period, said storing means being coupled to said input means, output means for said signals, continuity means for detecting and indicating substantial continuity of a signal during said entire character time period, said continuity means being coupled to said input means, and coupling means responsive to said continuity means, when said substantial continuity is detected, for assuring coincident output by said output means during said second portion of said time period of a signal indicative of said first set of both signals indicative of said second set, said output means being coupled to said input means and said storing means by said coupling means in response to said continuity means.

Claim 24

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a first portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and a sequential signal of said second set during said second portion of said time period, wherein said sequential signals of said second set may be the same during both portions of said time period, input means for receiving said first set of signals; input means for receiving said second set of signals; means for storing signals of said second set received during said first portion of said time period, first output means for signals of said first set, second output means for stored signals of said second set, third output means for said sequential signals of said second set, means for detecting and indicating substantial continuity of a signal during said entire character time period, means responsive to said detecting and indicating means, when said substantial continuity is detected, for assuring coincident output during said second portion of said time period of signals from each of said first, second, and third output means.

Claim 25

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a first portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and a sequential signal of said second set during said second portion of said time period, wherein said sequential signals of said second set may be the same during both portions of said time period, input means for receiving said first set of signals; input means for receiving said second set of signals; means for storing signals of said second set received during said first portion of said time period, first output means for signals of said first set, second output means for stored signals of said second set, third output means for said sequential signals of said second set, means for detecting and indicating substantial continuity of a signal during said entire character time period, means responsive to said detecting and indicating means, when said substantial continuity is detected, for assuring coincident output during said second portion of said time period of signals from each of said first, second, and third output means.

Claim 26

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a first portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and a sequential signal of said second set during said second portion of said time period, wherein said sequential signals of said second set may be the same during both portions of said time period, first input means for receiving said first set of signals, second input means for receiving said second set of signals, storage means for storing signals of said second set received during said first portion of said time period, said storage means being coupled to said second input means, first output means for signals of said first set, second output means for stored signals of said second set coupled to an output of said storage means, third output means for said sequential signal of said second set, continuity means for detecting and indicating substantial continuity of a signal during said entire character time period having an input coupled to said first and second means, means responsive to said continuity means, when said substantial continuity is dEtected, for providing coincident output during said second portion of said time period of signals from each of said first, second and third output means.

Claim 27

Apparatus for processing parallel-sequential character representing signals consisting of a first set of input signals and a second set of input signals wherein a character time period consists of a first portion and a sequential second portion and a character representation consists of a signal of said first set during the entire time period and a signal of said second set during said first portion of said time period, and a sequential signal of said second set during said second portion of said time period, wherein said sequential signals of said second set may be the same during both portions of said time period, first input means for receiving said first set of signals, second input means for receiving said second set of signals, storage means for storing signals of said second set received during said first portion of said time period, said storage means being coupled to said second input means, first output means for signals of said first set, second output means for stored signals of said second set coupled to an output of said storage means, third output means for said sequential signal of said second set, continuity means for detecting and indicating substantial continuity of a signal during said entire character time period having an input coupled to said first and second means, means responsive to said continuity means, when said substantial continuity is dEtected, for providing coincident output during said second portion of said time period of signals from each of said first, second and third output means.

Claim 28

Apparatus in accordance with claim 11 wherein said first set of inputs has a normal duration of a full character interval, said second set of inputs have a normal duration of first and second portions of a character interval, said duration means is coupled to said first means to determine that there is substantial continuity in said first set of inputs for a full character interval, said means for storing being coupled to the said second means.

Claim 29

Apparatus in accordance with claim 16 wherein said duration means is coupled to said second means to determine that there is presence of a signal during said first and second portions of a character interval simultaneously with presence of an input to said first means.

Claim 34

A system in accordance with claim 2 wherein each said character is transmitted substantially without an intracharacter gap interval coincident with said chaining.

Claim 35

A method in accordance with claim 19 wherein each said character is transmitted substantially without an intracharacter gap interval coincident with said chaining.