Abstract: A set of new printing functions are implemented as defining commands to make it possible to add graphic effects to a printout of a POS printer. These functions are based on a method of designating usually cyclically re-occurring byte strings, usually text in receipts, to act as triggers to launch the graphics function. These functions include optionally eliminating some text, adding graphic surrounds about designated lines, changing the color of designated lines, and inserting logos between or merging logos with text. Such usage need not make any changes to existing store lane checkout applications. Configuring new custom commands in POS printers permits defining byte string triggers occurring in receipt text that are used to trigger adding graphics to the receipt output.

Abstract: A transactional printer having a wheel interconnected to a knife cutting assembly for frictionally engaging a severed slip and ejecting it into a receiving bin. The wheel is moved out of engagement with an ejected slip during the cutting operation of the knife. As the knife blade is restored to its pre-cut position, the wheel is moved into engagement with the slip and rotated to eject the slip into the bin. A depression in the printer housing prevents contact between the housing and the wheel when the wheel is in frictional engagement with a slip. A stop interconnected to the wheel prevents contact between the wheel and the depression.

Abstract: A USB interface having improved EMC immunity where the D+, D?, and USB ground lines each pass through a common mode choke. The USB 5V line is AC coupled to the USB ground line outside the choke and routed through a high impedance into the circuit while maintaining the integrity of the signal. In addition, bypass capacitors, such as Tantalum bypass capacitors, and a 5.6V Transorb device are added to the 5V power supply of the controller, and all unused pins are terminated to reduce unwanted ringing transients in the controller leadframe. In addition, small capacitors within the capacitive loading specification allowed by the USB-IF are positioned next to the controller on each data line.

Abstract: A system and method for targeting marketing messages at a point-of-sale consumer by collecting current transactional receipt data, such as the time of a retail transaction, the date of the transaction, the number of items purchased the transaction, and the total dollar value of a transaction. The data collected from the receipt is then applied to one or more algorithms to determine which marketing messages are most likely to be successful. A predetermined number of marketing messages found most likely to be successful are then printed on the customer receipt in order of priority of expected effectiveness. The system is designed to be used in connection with a point-of-sale terminal without the need for additional hardware, such as a second printer, or the need to access historical customer data.

Abstract: An inrush circuit for electronic devices is particularly useful for point-of-sale printers. The circuit applies an active feedback-controlled voltage ramp to a bulk capacitor by means of a P-channel field effect transistor that is operated linearly after a controlled delay for contact bounce.

Abstract: A program method of converting a multiple color file to a two-color, or limited color file, so that an image contained therein can be printed upon a receipt, Point Of Sale, or two-color printer. Most multiple color files that contain logos and graphics cannot be successfully reduced in color by automatic or computer generated methods. The programmatic method of this invention contains a second-stage routine that requests viewer participation and input. The resulting printed or displayed image is visually acceptable by reason of this viewer input.

Abstract: Commercial establishments that add MICR indicia to commercial instruments usually do so via laser printers that produce a high gain signal. Moreover, commercially printed documents that include MICR indicia can also result in a high gain signal. MICR indicia generated by laser printers are difficult to decode, using conventional DC biasing methods, because the laser-generated MICR high gain signals become clipped. Therefore, in order to decode these distorted signals, the present system processes both low and high gain signals to decode the raw MICR data.

Abstract: A method of controlling noise in an impact printer that modulates the input pulse to the power amplifier of the printer. The resulting current waveform is then applied to the print wire solenoids. The final shape of the force input to the platen reduces or spreads the spectral envelope containing problem harmonics and acoustic output noise.

Abstract: The present invention provides a dot history compensation system for varying the drive current to the points of a thermal print head in response to the printing history of the points. One or two previous print lines may be examined. In addition, the history of points adjacent to a selected point may be used to compute a head drive signal. The inventive system is implemented in an auxiliary control device within a thermal printer. In addition, an end point compensation system is provided to ensure that end points of a thermal print head receive equivalent amounts of energy to central points, even when a large number of points may be simultaneously fired. The inventive system is adapted for operation with both single color and multiple color thermal printers. The auxiliary control device also manages paper movement functions, thus freeing the main microprocessor for communications and other duties within the printer.

Abstract: The present invention features a magnetic read head having an IC component provided within or adjacent to the head case. No low-level, analog signals, which are generally highly susceptible to electrical noise, leave the head structure. Power and ground signals are provided to the hybrid head. Digitized data corresponding to encoded information upon the magnetic stripe on a credit card, ID badge, or similar article is provided at output terminals. Decoding is performed by an ASIC or similar device located at the read head. A data strobe signal and/or a magnetic medium detected signal may also be provided by the read head.

Abstract: Methods of enhancing the appearance of, and safeguarding, sales receipts. The methods provide sales receipts with watermarks, strike-throughs, and circles-about-an-item. These added functions can be accomplished in real time. Some of them can be printed in distinguishing colors.

Abstract: There is provided a method for monitoring paper or other jams of a carriage in a printer by monitoring the current waveshape in a first winding of a stepper motor at or near the time when a second winding of the stepper motor commutates. The current waveshape is received from a low-value sensing resistor, typically within an integrated circuit stepper motor driver device. Changes in the current waveshape during this time window may be interpreted and accurate deductions may be made concerning the loading of the stepper motor. In the case where the stepper motor is the drive motor for a printer carriage, the loading information may be used to detect a paper jam or similar problem in the printer carriage.

Abstract: A compact drive mechanism for both driving a paper web and severing a printed receipt in a transaction or point-of-sales printer. Both driving the paper web and cutting the printed receipt is accomplished through a bi-directional stepper motor that is operative through a one-way clutch.

Abstract: A method for improving the image quality of a thermal print image uses preprocessed image and color matrices, in which special combinations of black dots and black dot patterns are filtered out. These patterns are then replaced with printer-friendly patterns. This altering technique improves the image quality and reduces halo effects.

Abstract: The present invention features an enclosure for a credit card reader. The enclosure has a top cover for protecting and enclosing the card reader and a base disposed below the card reader, enclosing the bottom surface thereof. The top cover need not be used. The base is configured to allow debris to be conveyed below the card reader. An aperture is formed between the top cover and the base. The aperture is aligned with the card slot opening of the card reader so that a user can insert a credit card into, and withdraw the credit card from, the card reader. The base of the enclosure is disposed at an angle relative to the horizontal for facilitating conveyance of debris to the rear of the enclosure. The base also has an outlet at its rear for allowing debris to fall out of the enclosure, preventing blocking of the card reader by debris. The enclosure can be used with an improved credit card reader for processing bent, bowed, or warped credit or smart cards.

Abstract: A system for issuing printed documents exchangeable for value having interconnected printer and feeder modules. The printer module includes a printing station having a printhead supported for reciprocal movement in a direction transverse to the path of movement of the print medium. A sensor carried by the printhead is operative to sense and read preprinted indicia on the print medium. The feeder module includes a receptacle for storing the print medium as a continuous form. A slot is provided for enabling the insertion of print media external to the feeder module. A gate mechanism blocks the feed slot under predetermined operating conditions. A first drive mechanism is operative to feed the print medium from the receptacle towards the printing station. A severing mechanism is operative to sever the lead document from the supply. A severing sensor detects failure of the severing mechanism.

Abstract: The present invention provides a dot history compensation system for varying the drive current to the points of a thermal print head in response to the printing history of the points. One or two previous print lines may be examined. In addition, the history of points adjacent to a selected point may be used to compute a head drive signal. The inventive system is implemented in an auxiliary control device within a thermal printer. In addition, an end point compensation system is provided to ensure that end points of a thermal print head receive equivalent amounts of energy to central points, even when a large number of points may be simultaneously fired. The inventive system is adapted for operation with both single color and multiple color thermal printers. The auxiliary control device also manages paper movement functions, thus freeing the main microprocessor for communications and other duties within the printer.

Abstract: The present invention features a Point of Sale (POS) printer that includes an encoding module that magnetizes and reads the account and bank information from existing magnetic characters on a check. The encoding module prints the characters in the AMOUNT field of the check, according to ANSI1, ISO2, or other standards. The characters are printed with an ink having magnetic particles embedded therein. The POS printer magnetizes and reads these characters after they are printed, in order to verify that the correct amount has been encoded onto the check. The encoding module can include a magnet to magnetize the characters; a read head to read and analyze the signal waveform from each character; and a print mechanism with the capability of using magnetic ink for printing the characters. The method of the invention directs the POS printer to follow a certain sequence of actions in order to accomplish the printing and verification at the point of sale.

Abstract: A transaction printer includes the MICR encoding of indicia at a precise location called the amount field. In order to accomplish this, an optical sensor is provided in a transaction printer at a point-of-sale, to detect the edge of the check and stage it at a known location from the thermal, MICR print head. A clutch mechanism is used to engage the print head with a platen, and to engage two MICR read heads with the check, so that indicia can be sequentially imprinted and read within the transaction printer in a single, sequential operation.