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| Number | Title | Issue Date |
| 7196604 | Sensing apparatus and method There is described a position sensor comprising at least one planar substrate having formed thereon a magnetic field generator which comprises conductive tracks formed on at least two planes defined by the at least one planar substrate. An intermediate coupling elem... | 03/27/2007 |
| 6682233 | Supporting structure of an armature of a wire dot printer head In a wire dot printer head of the present invention, an armature is formed by coupling a magnetic circuit formation member having a supported piece with one end inserted into a cavity formed on a surface of a yoke to an arm coupled to a wire. The supporte... | 01/27/2004 |
| 5011309 | Ribbon drive for low cost quiet impact printer A serial impact printer comprising a support frame, a platen mounted for rotation upon the support frame, a print element having character imprinting portions disposed thereon, a print element selector for moving the print element to position a selected c... | 04/30/1991 |
| 4875788 | Postage meter printwheel setting apparatus The printwheel setting apparatus comprises a voice coil motor having a magnet reciprocating in a coil which magnet is connected by a flexible link to a picker link for advancing the printwheel. The picker link has a picker cam which cooperates with a cam ... | 10/24/1989 |
| 4846715 | Postage meter voice coil motor printwheel setting assembly A voice coil motor assembly for a voice coil motor printwheel setting apparatus comprises a plate having the voice coil motor coils mounted thereon. The plate is adapted for attachment to a printed circuit board by pins electrically connected to the voice... | 07/11/1989 |
| 4810115 | Character selecting mechanism A character selecting mechanism for a printer having a plurality of type wheel units arranged axially on a shaft. The character selecting mechanism comprises a plurality of electromagnetic clutches each having a solenoid, a sleeve rotatably received in th... | 03/07/1989 |
| 4804282 | Character selecting mechanism A character selecting mechanism for a printer having a plurality of type wheel units arranged axially on a shaft. The character selecting mechanism comprises a plurality of electromagnetic clutches each having a solenoid, a sleeve rotatably received in th... | 02/14/1989 |
| 4423972 | Serial printer A small and light-weight serial printer adapted to portable electric-powered typewriters and output devices of personal computers. The serial printer of the present invention requires a reduced number of drive sources and is simply constructed. The serial... | 01/03/1984 |
| 4352576 | Serial printer having a single drive motor A printer having clutches for selectively transmitting the driving power from a single motor to a rotary shaft for rotating the type wheels and to a hammer drive shaft for driving a hammer is described. The clutches are under the control of a single contr... | 10/05/1982 |
| 4275653 | Line printer system and method of operation with microprocessor control A printer system comprising a belt printer mechanism controlled by a stored program digital microprocessor to print lines of data on a print medium. Selective operation of a linear array of print hammers, paper feeding, data conversion and arranging in sc... | 06/30/1981 |
| 4273041 | Belt printer control architecture A belt printer control system for attachment to a host system has a first microprocessor connected by a dedicated bus to the host system and control elements operable to perform carriage control, belt drive, and ribbon drive operations of the printer mech... | 06/16/1981 |
| 4244291 | Printer with a fixed and an axially movable character ring A serial printer includes two character rings having raised characters disposed therearound. Both rings rotate on a common axis for selection of characters for printing. One character ring is laterally fixed relative to the common axis; the other characte... | 01/13/1981 |
| 3985218 | Low inertia impact printing means In a print head, a print wheel comprising the combination of a disk, a plurality of permanently magnetized printing members bearing characters thereon, and electromagnet imparting translation to the printing members by magnetic interaction, and also provi... | 10/12/1976 |
| 3977320 | Electrically controlled postage meter An electromechanical setting mechanism is disclosed, which uses a plurality of solenoid banks to set each print wheel of a postage printing drum. Each bank features two pairs of solenoids which are mounted upon a movable frame. One pair of the two pairs o... | 08/31/1976 |
| 3952853 | Vertical shift mechanism A pair of electromagnets, each including pole faces separated by an air gap, cooperate with a permanent bar magnet, the ends of which extend into the electromagnet air gaps. Polarization of the electromagnets causes the bar magnet to shift into four possi... | 04/27/1976 |
| 3949664 | Compact flying printer A compact flying printer has a continuously rotating print drum and ratchet wheel, a trigger lever positionable to be struck by a tooth of said ratchet wheel and a hammer lever driven by said trigger lever and provided with a print hammer at its end. The ... | 04/13/1976 |
| 3942436 | Computer responsive supplemental printer A supplemental printer is mounted piggy-back fashion atop a conventional high speed chain printer or other form of computer output printing equipment; and prints, upon the same print-out sheet as the high speed printer, information generated by the same e... | 03/09/1976 |
