US3742845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for high-speed printing machines
Assignee: Bull HN Information Systems Italia SpA
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Filing: 1971-10-28
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Granted: 1973-07-03
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Expires: 1991-10-28
Abstract
Abstract A high speed printer is provided with a control circuit wherein each binary code representing a character to be printed in an assigned printing position is linked to one or more recognition bits which serve to determine if such character belongs to that group or groups in a set which are repeated with greater frequency.
Inventors
- 👤 A Giani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:47
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/08
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
254 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said characters identified by a binary code and at least one of said type characters being represented more than once, printing means for printing said type characters in different printing positions along a print line, timing means for generating a plurality of signals to control operation of said high speed printer, counter means, responsive to one of said plurality of signals of said timing means, for supplying an order number indicating the position at which one of said type characters is arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of characters in addition to an information bit indicating Said one character represented more than once, said storage means supplying one of said binary codes, in response to a second of said plurality of signals of said timing means, comparing means, responsive to said order number of said counter means and said one binary code of said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means coupled to said storage means for inhibiting a predetermined portion of said binary code in response to said information bit provided by said storage means, said comparing means in response to said conditioning means enabling a signal corresponding to either of said binary codes of said one type character to be provided to said print means.
Claim 2
Dependent Claim
254 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said characters identified by a binary code and at least one of said type characters being represented more than once, printing means for printing said type characters in different printing positions along a print line, timing means for generating a plurality of signals to control operation of said high speed printer, counter means, responsive to one of said plurality of signals of said timing means, for supplying an order number indicating the position at which one of said type characters is arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of characters in addition to an information bit indicating Said one character represented more than once, said storage means supplying one of said binary codes, in response to a second of said plurality of signals of said timing means, comparing means, responsive to said order number of said counter means and said one binary code of said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means coupled to said storage means for inhibiting a predetermined portion of said binary code in response to said information bit provided by said storage means, said comparing means in response to said conditioning means enabling a signal corresponding to either of said binary codes of said one type character to be provided to said print means.
Claim 3
Dependent Claim
32 words
The printer as defined in claim 1 wherein said conditioning means further includes: means responsive to said storage means for preventing a repetition of said one character in the same printing position.
Claim 4
Dependent Claim
224 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said type characters identified by a binary code, printing means for printing said type characters in different printing positions along a print line, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position at which one of said type characters is arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, conditioning means, coupled to said storage means and responsive to said at least one information bit, for inhibiting a portion of said binary code determined by said at least one information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said one binary code.
Claim 5
Dependent Claim
224 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said type characters identified by a binary code, printing means for printing said type characters in different printing positions along a print line, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position at which one of said type characters is arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, conditioning means, coupled to said storage means and responsive to said at least one information bit, for inhibiting a portion of said binary code determined by said at least one information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said one binary code.
Claim 6
Dependent Claim
35 words
The printer as defined in claim 3 wherein said remaining portion of said one binary code corresponds to remaining portions in others of said binary codes, and wherein said remaining portions identify identical type characters.
Claim 7
Dependent Claim
40 words
The printer as defined in claim 3 wherein one information bit indicates a type character represented twice on said holding unit and wherein more than one information bit indicates the repetition frequency of the type characters on said type-holding unit.
Claim 8
Dependent Claim
35 words
The printer as defined in claim 5 wherein said conditioning means includes: means responsive to said storage means for preventing said type characters represented more than once to be supplied to a same printing position.
Claim 9
Dependent Claim
213 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said type characters identified by a binary code, printing means for printing said plurality of type characters in different printing positions along a print line, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position of said plurality of type characters on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes in response to a second control sIgnal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for modifying a predetermined portion of said order number in response to said information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said order number.
Claim 10
Dependent Claim
213 words
A high speed printer comprising: a mobile type-holding unit having a plurality of different type characters, each of said type characters identified by a binary code, printing means for printing said plurality of type characters in different printing positions along a print line, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position of said plurality of type characters on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes in response to a second control sIgnal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for modifying a predetermined portion of said order number in response to said information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said order number.
Claim 11
Dependent Claim
25 words
The printer as defined in claim 7 wherein said remaining portion of said order number corresponds to identical type characters provided by said type-holding unit.
Claim 12
Dependent Claim
228 words
A parallel printer for printing a line of characters along a printing line, said printer comprising: a drum type holder unit having an axis parallel to said printing line, said drum unit having a plurality of type characters distributed on cylindrical rings with a variable frequency, timing means for generating control signals indicating the movement of said type-holding unit, counter means, responsive to said control signals, for supplying an order number indicating the position of said type-holding unit and the position of said plurality of type characters arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to an information bit indicating type characters provided on said drum unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for inhibiting a predetermined portion of said binary code in response to said information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said one binary code.
Claim 13
Dependent Claim
228 words
A parallel printer for printing a line of characters along a printing line, said printer comprising: a drum type holder unit having an axis parallel to said printing line, said drum unit having a plurality of type characters distributed on cylindrical rings with a variable frequency, timing means for generating control signals indicating the movement of said type-holding unit, counter means, responsive to said control signals, for supplying an order number indicating the position of said type-holding unit and the position of said plurality of type characters arranged on said type-holding unit, storage means for storing a plurality of binary codes representative of said plurality of type characters in addition to an information bit indicating type characters provided on said drum unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for inhibiting a predetermined portion of said binary code in response to said information bit, said comparing means in response to said conditioning means comparing only the remaining portion of said one binary code.
Claim 14
Dependent Claim
209 words
A high speed printer comprising: a continuously moving type-holding unit having a plurality of different type characters distributed with a variable frequency attached thereto, said type-holding unit presenting sequentially in at least one printing position said type characters arranged on said type-holding unit, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position of said type characters on said type-holding unit, storage means for storing a plurality of binary codes representative of said type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for modifying a predetermined portion of said binary code in response to said information bit, said comparing means in response to said conditioning means comparing the remaining portion of said one binary code.
Claim 15
Dependent Claim
209 words
A high speed printer comprising: a continuously moving type-holding unit having a plurality of different type characters distributed with a variable frequency attached thereto, said type-holding unit presenting sequentially in at least one printing position said type characters arranged on said type-holding unit, timing means for generating control signals, counter means, responsive to one of said control signals, for supplying an order number indicating the position of said type characters on said type-holding unit, storage means for storing a plurality of binary codes representative of said type characters in addition to at least one information bit indicating type characters provided on said type-holding unit more than once, said storage means supplying one of said plurality of binary codes, in response to a second control signal of said timing means, comparing means, responsive to said order number of said counter means and said binary code supplied by said storage means, for providing a signal enabling said printer means to print a type character corresponding to said one binary code, and conditioning means, coupled to said storage means, for modifying a predetermined portion of said binary code in response to said information bit, said comparing means in response to said conditioning means comparing the remaining portion of said one binary code.
Claim 16
Dependent Claim
172 words
A control circuit for a high speed printer having a moveable type carrier including a plurality of different type characters distributed with variable frequency and printing means for printing said type characters on a print line, said circuit comprising: timing means for generating signals indicating the movement of said type carrier, counting means responsive to said signals of said timing means for providing An order number indicative of the position of said type carrier and the position of said type characters thereon, means for comparing said order number with coded representations of various type characters to be printed in different printing positions, storage means for storing at least one of said coded representations and for transmitting one of said coded representations to said comparing means, discriminating means for distinguishing between various type characters in accordance with the type character''s repetition on the type carrier, and conditioning means responsive to said discriminating means, for modifying said comparing means as a function of the repetition frequency of a type character on the type carrier.
Claim 17
Dependent Claim
172 words
A control circuit for a high speed printer having a moveable type carrier including a plurality of different type characters distributed with variable frequency and printing means for printing said type characters on a print line, said circuit comprising: timing means for generating signals indicating the movement of said type carrier, counting means responsive to said signals of said timing means for providing An order number indicative of the position of said type carrier and the position of said type characters thereon, means for comparing said order number with coded representations of various type characters to be printed in different printing positions, storage means for storing at least one of said coded representations and for transmitting one of said coded representations to said comparing means, discriminating means for distinguishing between various type characters in accordance with the type character''s repetition on the type carrier, and conditioning means responsive to said discriminating means, for modifying said comparing means as a function of the repetition frequency of a type character on the type carrier.
Claim 18
Dependent Claim
49 words
The control circuit as defined in claim 11 and further including: means responsive to said discriminating means for modifying said coded representation of said type characters, and means responsive to said storage means for preventing a repetition of the printing of the same type character in the same position.
Claim 19
Dependent Claim
50 words
The control circuit as defined in claim 11 wherein said discriminating means is responsive to at least one information bit linked with said coded representations of said storage means, and wherein said condition means comprises logic circuits operating selectively on a portion of said comparing means for inhibiting the comparison.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |