Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7992975 | Non-conductive fluid droplet forming apparatus and method A method and apparatus for forming fluid droplets includes a nozzle channel, a pressurized source of a non-conductive fluid in fluid communication with the nozzle channel, and a stimulation electrode. The pressurized source is operable to form a jet of the non-condu... | 08/09/2011 |
| 7748829 | Adjustable drop placement printing method A method of printing includes associating a pixel area of a recording medium with a nozzle and a time interval during which a fluid drop ejected from the nozzle can impinge the pixel area of the recording medium. The time interval is divided into a plurality of subi... | 07/06/2010 |
| 7731342 | Image correction system and method for a direct marking system A system and method for image correction in a direct marking system is provided using input scaling. The system and method utilize spatial dependent scale factors for each color of a liquid ink printer in the direct marking system. The value of each scale factor dep... | 06/08/2010 |
| 7658478 | Non-conductive fluid droplet forming apparatus and method A method and apparatus for forming fluid droplets includes a nozzle channel, a pressurized source of a non-conductive fluid in fluid communication with the nozzle channel, and a stimulation electrode. The pressurized source is operable to form a jet of the non-condu... | 02/09/2010 |
| 7364276 | Continuous ink jet apparatus with integrated drop action devices and control circuitry A continuous liquid drop emission apparatus is provided. The liquid drop emission apparatus is comprised of a liquid chamber containing a positively pressurized liquid in flow communication with at least one nozzle for emitting a continuous stream of liquid and a je... | 04/29/2008 |
| 7273270 | Ink jet printing device with improved drop selection control An ink jet printing system includes a printhead generating a plurality of continuous ink jets that are in a row and directed toward a print receiving medium. The printhead contains a drop generator and an orifice plate that includes a plurality of nozzles to form th... | 09/25/2007 |
| 7249828 | Method and apparatus for controlling charging of droplets An apparatus for controlling droplets allows the phase difference between a calibration signal and its signature signal on a detector to be minimized, or the amplitude of the signature signal to be maximized, by adjusting the droplet charging means of the device, or... | 07/31/2007 |
| 7246890 | Detection device for detecting ejection condition of nozzles When an refresh ink droplet ejected from a nozzle and deflected by an inclined electric field impinges on a orifice electrode/ink receiving member, electric charge is discharged from the refresh ink droplet, thereby an electric current is generated. A current-voltag... | 07/24/2007 |
| 7204735 | Production apparatus and method of producing a light-emitting device by using the same apparatus The present invention relates to a method for manufacturing a light-emitting device. At least one of a light-emitting film forming step, a conductive film forming step and an insulating film forming step is carried out while holding a substrate in a manner that an a... | 04/17/2007 |
| 7175263 | Converging axis dual-nozzled print head and printer fitted therewith A twin-nozzle print head for a continuous inkjet deflection printer comprises an ink drop generator assembly having two inkjet ejection nozzles, each of the nozzles having an ejection axis. Charge electrodes, deflection electrodes deflecting charged drops and a sing... | 02/13/2007 |
| 7116355 | Instant printer, printing method for using the same, combination printer/electronic still camera system Printing light beams from a printing head that is driven based on image data are used for recording a latent image in a predetermined exposure area on an instant film. The instant film is exposed through an exposure opening formed through a case of a film pack. The ... | 10/03/2006 |
| 7080897 | System for delivering material onto a substrate A system for delivering material onto a substrate. The system includes a jetting system having a reservoir containing the material and the reservoir includes a nozzle through which the material is expelled from the reservoir. An arcuate section is positioned between... | 07/25/2006 |
| 7022535 | Thin film forming device, method of forming a thin film, and self-light-emitting device Measure of forming an EL layer by selectively depositing through evaporation a material for forming the EL layer at a desired location is provided. When a material for forming an EL layer is deposited, a mask (113) is provided between a sample boat (111 | 04/04/2006 |
| 7003031 | Pulse width modulating device and exposure device A PWM signal is made to rise synchronously with a pixel clock by inputting of a pulse to a set terminal (S terminal) of an R-S flip-flop. One of a reference clock, which is generated by a reference clock generator, and a delay clock, which is obtained by a delay cir... | 02/21/2006 |
| 6969159 | Ink drop detector configurations A sensor configuration for use in detecting ink droplets ejected from an ink drop generator is provided. The sensor configuration includes a sensing element configured to receive a biasing voltage which creates an electric field from the sensing element to the ink d... | 11/29/2005 |
| 6926394 | Elastomeric polymer catcher for continuous ink jet printers A catcher device is provided for a continuous ink jet printer of the kind for generating a row of parallel selectively charged drop streams catches charged ink drops. The catcher device combines the attributes of two different materials, specifically a polymer and a... | 08/09/2005 |
| 6609786 | Four color modular printhead assembly A printhead assembly includes at least one printhead module including a printhead chip. A carrier supports the, or each, printhead module in an operative position for printing on print media. Mating formations are carried by the, or each, printhead module... | 08/26/2003 |
| 6595629 | Continuous inkjet printer Ink particles that start flying toward the printing medium P earlier than or later than the ink particles for the line central area are used as ink particles for the line ends. Accordingly, it is possible to compensate for the affects of electrical charge... | 07/22/2003 |
| 6447108 | Continuous inkjet printhead control A method is disclosed for controlling a multi-nozzle CIJ printhead having a pressure modulator for causing streams of ink emitted from the nozzles to be broken up into individual droplets, and charge electrodes 6 and charge electrode controllers for contr... | 09/10/2002 |
| 6325494 | Modulation waveform amplitude adjustment in a multi-nozzle printhead based on charge signal phase relationships A method for adjusting the amplitude of the pressure modulation waveform in a multi-nozzle continuous jet printhead having a pressure modulator for causing streams of ink emitted from the nozzles to be broken up into individual droplets, and charge electr... | 12/04/2001 |
| 5867194 | Method and apparatus for automatic setting of nozzle drive voltage in an ink jet printer A method and apparatus for accurately determining and setting the optimal nozzle drive voltage for an ink jet printer. The current carried by charged test drops is monitored by a sensing electrode and ammeter while the nozzle drive voltage is slowly varie... | 02/02/1999 |
| 5583552 | Optimum phase determination based on the detected jet current An ink jet recording apparatus wherein ink drops can be controlled individually to assure high quality printing and adjustment in registration of ink nozzles in a drum circumferential direction can be performed at a sufficiently high resolution. The ink j... | 12/10/1996 |
| 5547292 | Printing apparatus To provide a printing apparatus in which a mechanical portion that is heavy in weight and needs a high precision is fixed to simplify a structure and to perform a high speed operation with a high quality printing. A piece of printing paper P is guided bet... | 08/20/1996 |
| 5523778 | Segmented charge tunnel for drop charging in a printhead A segmented charge tunnel for ink jet printing having a plurality of individual segments is utilized to sequentially apply charges to a droplet stream. Precise location of the stream break-off point within the tunnel is accomplished by identifying which o... | 06/04/1996 |
| 5481288 | Modulation signal amplitude adjustment for an ink jet printer A method is provided for adjusting the operating amplitude of a modulation signal which influences the separation of drops from an ink jet of an ink jet printer. The method includes (1) determining the phase relationship between the modulation signal and ... | 01/02/1996 |
| 5408255 | Method and apparatus for on line phasing of multi-nozzle ink jet printheads A pilot nozzle is provided for a multi-jet printing head. The pilot nozzle is continuously monitored to detect changes in phase due to changes in ink temperature, viscosity, pressure or other reason. Should a change occur requiring that the pilot nozzle b... | 04/18/1995 |
| 5396273 | Automatic character height control for ink jet printers A microprocessor-based control system for use in ink jet printers periodically measures flow rate of marking fluid, flow time or flight time of marking fluid drops and adjusts the voltage supplied to deflection electrodes-to maintain constant character he... | 03/07/1995 |
| 5196860 | Ink jet droplet frequency drive control system A drive control system automatically maintains nozzle drive voltage within a proper range. The control system monitors the state of the "intermediate satellites" positioned between ink drops used for printing. When these satellites are neither forwared no... | 03/23/1993 |
| 4839665 | Method and apparatus for controlling the electrical charging of drops in an ink jet recording apparatus In an ink jet recording apparatus, the generation of insufficiently charged or discharged drops which may occur when a charge controlling signal (print pulse) is switched within a forbidden zone of the period of the drop formation process is avoided. The ... | 06/13/1989 |
| 4695848 | Inkjet printing system An inkjet printing system has a drop generator with a nozzle fed by a pressurized ink source to cause a continuous stream of ink to break into synchronized droplets. A pair of electrodes positioned on either side of the path followed by the droplets are c... | 09/22/1987 |
| 4631549 | Method and apparatus for adjusting stimulation amplitude in continuous ink jet printer In a continuous ink jet printer, the stimulation amplitude is adjusted by sensing the stimulation amplitude at which infinite satellites are first produced, and adjusting the stimulation as a function of the sensed amplitude.... | 12/23/1986 |
| 4631550 | Device and method for sensing the impact position of an ink jet on a surface of an ink catcher, in a continuous ink jet printer Information relating to the impact position on a catcher face of a deflected ink jet is used to adjust various parameters of an ink jet printing system, such as the charge voltage, the time between orifice plate stimulation and drop charging, etc., or to ... | 12/23/1986 |
| 4616234 | Simultaneous phase detection and adjustment of multi-jet printer In a continuous multi-jet ink jet printing apparatus, it is a problem to accurately adjust the phase of a printing pulse with respect to the drop separation profile. The problem is solved according to the invention by generating a short sample pulse and a... | 10/07/1986 |
| 4524366 | Ink jet charge phasing apparatus In an ink jet recording apparatus of charge control type, a pair of independent electrode plates serving as a charging electrode are disposed so as to face each other with the flying path of ink droplets between the electrode plates, and the connection of... | 06/18/1985 |
| 4470052 | A-C Coupled, modulator based, phase-error sensing for IJP Disclosed is a drop modulator based phase error sensing circuit for use in drop-charge phase control circuitry in ink jet printers. A phase control is required to maintain the correct relationship between drop break off time and the drop charging signal. ... | 09/04/1984 |
| 4438440 | Print-distortion compensating device for the ink jet printing apparatus A print-distortion compensating apparatus and method for an improved electrostatic type ink jet printing apparatus including a print-distortion compensating means, in which the compensating amounts for the print-distortion due to the influence of the neig... | 03/20/1984 |
| 4418352 | Ink jet printing apparatus An ink jet printing apparatus uses as its charge detection means a gutter which is made of a conductive material, insulated from collected ink and grounded through a resistor. A charging electrode is supplied with charging voltage pulses for a phase searc... | 11/29/1983 |
| 4373164 | Droplet charge condition detection in an ink jet system printer of the charge amplitude controlling type A charge condition detection system is provided in an ink jet system printer of the charge amplitude controlling type in order to synchronize the application of the charging signal with the droplet formation timing. The charge condition detection system i... | 02/08/1983 |
| 4329695 | Charge timing evaluation in an ink jet system printer of the charge amplitude controlling type In an ink jet system printer of the charge amplitude controlling type, an electric current flows through an ink droplet issuance unit to ink liquid when an ink droplet is properly charged by a charging tunnel. A detection circuit is connected to the ink d... | 05/11/1982 |
| 4328505 | Ink jet printing apparatus An alternating drive signal is applied to an ink ejection head (11) to cause a jet of ink to be ejected which separates into droplets at a certain position. A charging electrode (16) is provided at this position to charge the droplets where it is desired ... | 05/04/1982 |
