Line feed-print inhibit system

Claim 2

A line feed-print inhibit system for a printer wherein said printer has a storage unit for storinG a plurality of received input characters prior to printing such characters along lines on a record medium and is responsive to receipt of a line feed signal to change the line along which printing is to take place; means responsive to receipt of a line feed signal for identifying input characters stored by said printer after receipt of said line feed signal; first means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit printing of said identified input characters; second means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit said printer from responding to receipt of said line feed signal until input characters stored by said printer before receipt of a line feed signal have been printed; and means to remove the identification from said input characters after said printer has responded to said line feed signal to permit printing of said last-named input characters.

Claim 3

A line feed-print inhibit system for a printer wherein said printer has a storage unit for storinG a plurality of received input characters prior to printing such characters along lines on a record medium and is responsive to receipt of a line feed signal to change the line along which printing is to take place; means responsive to receipt of a line feed signal for identifying input characters stored by said printer after receipt of said line feed signal; first means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit printing of said identified input characters; second means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit said printer from responding to receipt of said line feed signal until input characters stored by said printer before receipt of a line feed signal have been printed; and means to remove the identification from said input characters after said printer has responded to said line feed signal to permit printing of said last-named input characters.

Claim 4

A line feed-print inhibit system for a printer wherein said printer has a storage unit for storinG a plurality of received input characters prior to printing such characters along lines on a record medium and is responsive to receipt of a line feed signal to change the line along which printing is to take place; means responsive to receipt of a line feed signal for identifying input characters stored by said printer after receipt of said line feed signal; first means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit printing of said identified input characters; second means responsive to input characters stored by said printer before receipt of said line feed signal to inhibit said printer from responding to receipt of said line feed signal until input characters stored by said printer before receipt of a line feed signal have been printed; and means to remove the identification from said input characters after said printer has responded to said line feed signal to permit printing of said last-named input characters.

Claim 5

A line feed-print inhibit system as recited in claim 1 wherein said means for identifying input characters is operative during the period the printer is inhibited from responding to receipt of said line feed signal.

Claim 6

A line feed-print inhibit system for a printer in which the numerical representations of received input characters to be printed along lines on a print medium are stored for comparison with the numerical representations of moving print characters to recognize and print the proper print characters when they are in the proper position for printing characters corresponding to said input characters and where the printer responds to receipt of a line feed signal to change the line of print, comprising: means for adding a numerical representation to each input character numerical representation received by said printer subsequent to receipt of a line feed signal; print inhibit means responsive to input character numerical representations having said added numerical representation to inhibit printing of the corresponding input characters; line feed inhibit means responsive to input character numerical representations without said added numerical representations to inhibit said printer from responding to said line feed signal so long as characters corresponding to input character numerical representations without said added numerical representations still remain to be printed; and means to remove said added numerical representations from input character numerical representations after said printer has responded to said line feed signal.

Claim 7

A line feed-print inhibit system for a printer in which the numerical representations of received input characters to be printed along lines on a print medium are stored for comparison with the numerical representations of moving print characters to recognize and print the proper print characters when they are in the proper position for printing characters corresponding to said input characters and where the printer responds to receipt of a line feed signal to change the line of print, comprising: means for adding a numerical representation to each input character numerical representation received by said printer subsequent to receipt of a line feed signal; print inhibit means responsive to input character numerical representations having said added numerical representation to inhibit printing of the corresponding input characters; line feed inhibit means responsive to input character numerical representations without said added numerical representations to inhibit said printer from responding to said line feed signal so long as characters corresponding to input character numerical representations without said added numerical representations still remain to be printed; and means to remove said added numerical representations from input character numerical representations after said printer has responded to said line feed signal.

Claim 8

A line feed-print inhibit system as recited in claim 3 wherein said line feed inhibit means includes means for continually examining said input character numerical representations for detecting said added numerical representations and providing an inhibit signal to prevent printer response to said line feed signal so long as input character numerical representations without said added numerical representations are detected.

Claim 9

A line feed-print inhibit system as recited in claim 4 further including delay means marking a period of time sufficient for the printer to respond to a line feed signal, said delay means being energized by said line feed inhibit means at the detected absence of input character numerical representations without said added numerical representations; said means to remove responding to the end of said marked period of time to remove added numerical representations.

Claim 10

A line feed-print inhibit system as recited in claim 5 wherein input character numerical representations having said added numerical representation are different from the numerical representations for said print characters, and said print inhibit means is the comparator for comparing input character numerical representations with print character numerical representations, said comparator responsive to noncoincidence of input and print character numerical representations to prevent printout of characters corresponding to thOse input characters having numerical representations including said added numerical representations.

Claim 11

A line feed-print inhibit system as recited in claim 6 further including storage means for storing said line feed signal during the period of printing of characters corresponding to input character numerical representations stored prior to receipt of said line feed signal, and means for clearing the line feed signal storage means in response to the end of said marked period of time.

Claim 12

An end-of-line print inhibit for a printer which produces output signals along lines on a record medium in response to received input signals, comprising: means for identifying input signals being received by said printer after sufficient input signals have been received for producing one line of output signals; means responsive to input signals for inhibiting production of output signals corresponding to such identified input signals; means responsive to input signals for initiating a line change when all output signals corresponding to unidentified input signals have been produced; and means responsive to said line change to remove the identification from input signals received after said line of output signals has been produced.

Claim 13

An end-of-line print inhibit for a printer which produces output signals along lines on a record medium in response to received input signals, comprising: means for identifying input signals being received by said printer after sufficient input signals have been received for producing one line of output signals; means responsive to input signals for inhibiting production of output signals corresponding to such identified input signals; means responsive to input signals for initiating a line change when all output signals corresponding to unidentified input signals have been produced; and means responsive to said line change to remove the identification from input signals received after said line of output signals has been produced.

Claim 14

A print line transition control system for a printer in which received input characters and the column information for printing such input characters are stored in memory for comparison with signals representing moving print characters in order to detect and print out those print characters in proper position for printing desired input characters along a print line on a record medium and where the print line is changed from a first to a second line in response to a received line feed signal, comprising: means coupled to said memory to inhibit printer response to said received line feed signal so long as input characters remain to be printed on a first print line; means for providing an identification for input characters received by said printer after receipt of a line feed signal which are to be printed on a second print line; second means coupled to said memory to inhibit printout of said input characters provided with an identification; and means to remove said identification upon the changing of a print line in response to said received line feed signal.

Claim 15

A print line transition control system for a printer in which received input characters and the column information for printing such input characters are stored in memory for comparison with signals representing moving print characters in order to detect and print out those print characters in proper position for printing desired input characters along a print line on a record medium and where the print line is changed from a first to a second line in response to a received line feed signal, comprising: means coupled to said memory to inhibit printer response to said received line feed signal so long as input characters remain to be printed on a first print line; means for providing an identification for input characters received by said printer after receipt of a line feed signal which are to be printed on a second print line; second means coupled to said memory to inhibit printout of said input characters provided with an identification; and means to remove said identification upon the changing of a print line in response to said received line feed signal.

Claim 16

A first-second print line transition control system as recited in claim 9 wherein said means for providing an identification for input characters comprises means for adding an identification signal to each input character received after receipt of said line feed signal.

Claim 17

A first-second print line transition control system as recited in claim 9 wherein said means for providing an identification for input characters comprises means for adding an identification signal to the column information.

Claim 18

A control system for a printer in which normally unmodified input signals received by the printer are stored for comparison with signals representing print characters to be printed for purposes of printout of print characters comprising means for providing a given printer command signal to the printer for causing said printer to execute said command, means for modifying those input signals received by the printer subsequent to the time of providing said given printer command signal, means to inhibit printout of print characters corresponding to those input signals which have been modified, and means responsive to unmodified input signals to inhibit printer execution of said given command signal so long as any unmodified input signals remain to be printed.

Claim 19

A control system for a printer in which normally unmodified input signals received by the printer are stored for comparison with signals representing print characters to be printed for purposes of printout of print characters comprising means for providing a given printer command signal to the printer for causing said printer to execute said command, means for modifying those input signals received by the printer subsequent to the time of providing said given printer command signal, means to inhibit printout of print characters corresponding to those input signals which have been modified, and means responsive to unmodified input signals to inhibit printer execution of said given command signal so long as any unmodified input signals remain to be printed.

Claim 20

A printer system comprising a source of a command signal, a source of first signals representing print characters, a source of normally unmodified second signals, means for comparing said first and second signals, means responsive to a given comparison of said first signals and said second signals for controlling printing by said print characters of characters corresponding to said input signals, meaNs for modifying input signals occuring subsequent to the time of occurrence of said command signal, means for inhibiting printing of modified input signals, and means responsive to unmodified input signals to inhibit printer response to said command signal so long as characters corresponding to said signals remain to be printed.

Claim 21

A printer system comprising a source of a command signal, a source of first signals representing print characters, a source of normally unmodified second signals, means for comparing said first and second signals, means responsive to a given comparison of said first signals and said second signals for controlling printing by said print characters of characters corresponding to said input signals, meaNs for modifying input signals occuring subsequent to the time of occurrence of said command signal, means for inhibiting printing of modified input signals, and means responsive to unmodified input signals to inhibit printer response to said command signal so long as characters corresponding to said signals remain to be printed.

Claim 22

A control system for a printer in which a plurality of signals representing print characters are circulated and compared with corresponding input signals to be serially received by the printer to effect printout of print characters corresponding to said input signals along a line comprising means for receiving a line change signal for causing said printer to execute a change in the line of printing by said printer, means for modifying those input signals received by said printer subsequent to receipt of said line change signal, means to inhibit printout of characters corresponding to those input signals which have been modified, and means to inhibit the printer executing said line change signal so long as characters corresponding to said unmodified input signals remain to be printed.

Claim 23

A control system for a printer in which a plurality of signals representing print characters are circulated and compared with corresponding input signals to be serially received by the printer to effect printout of print characters corresponding to said input signals along a line comprising means for receiving a line change signal for causing said printer to execute a change in the line of printing by said printer, means for modifying those input signals received by said printer subsequent to receipt of said line change signal, means to inhibit printout of characters corresponding to those input signals which have been modified, and means to inhibit the printer executing said line change signal so long as characters corresponding to said unmodified input signals remain to be printed.

Claim 24

A line feed-print inhibit system for a printer wherein said printer has a storage unit for receiving and storing input characters for subsequent printout along selected lines on a record medium in response to receipt of line feed commands, comprising: means for distinguishing between input characters received by said storage unit before and after receipt of a line feed command by said printer; first means responsive to said means for distinguishing for inhibiting printout of input characters received after receipt of a line feed command; second means responsive to said means for distinguishing to inhibit printer response to said line feed command in the presence of unprinted input characters received before receipt of a line feed command; and means to remove said distinction between input characters after a line feed command has been effected to permit printing of input characters to proceed without distinction until a subsequent line feed command is received by the printer.

Claim 25

A line feed-print inhibit system for a printer wherein said printer has a storage unit for receiving and storing input characters for subsequent printout along selected lines on a record medium in response to receipt of line feed commands, comprising: means for distinguishing between input characters received by said storage unit before and after receipt of a line feed command by said printer; first means responsive to said means for distinguishing for inhibiting printout of input characters received after receipt of a line feed command; second means responsive to said means for distinguishing to inhibit printer response to said line feed command in the presence of unprinted input characters received before receipt of a line feed command; and means to remove said distinction between input characters after a line feed command has been effected to permit printing of input characters to proceed without distinction until a subsequent line feed command is received by the printer.

Claim 26

A line feed-print inhibit system for a printer wherein said printer has a storage unit for storing a plurality of input characters prior to printing along lines on a record medium and is responsive to receipt of line feed signals to control printing of said stored input characters along different lines on a record medium, comprising: means for identifying input characters stored by said printer after receipt of a line feed signal by said printer; first means responsive to input characters to inhibit printing said identified input characters; and second means responsive to input characters to prevent said line feed signals from executing a line feed until input characters received by said printer before receipt of a line feed signal have been printed.

Claim 27

A line feed-print inhibit system for a printer wherein said printer has a storage unit for storing a plurality of input characters prior to printing along lines on a record medium and is responsive to receipt of line feed signals to control printing of said stored input characters along different lines on a record medium, comprising: means for identifying input characters stored by said printer after receipt of a line feed signal by said printer; first means responsive to input characters to inhibit printing said identified input characters; and second means responsive to input characters to prevent said line feed signals from executing a line feed until input characters received by said printer before receipt of a line feed signal have been printed.