Patents by Inventor Toshiyuki Suzuki
Toshiyuki Suzuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Printing apparatus having a heater that includes a protection section for a heat generating resistor
Patent number: 11198307Abstract: There is provided a printing apparatus including: a transport section that transports a medium in a first direction; a discharge section that discharges a liquid to the medium transported by the transport section; and a heater that is provided downstream of the discharge section in the first direction, and heats the medium, in which the heater includes a ceramic substrate, a heat generating resistor provided on the ceramic substrate, and a protection section that protects the heat generating resistor.Type: GrantFiled: May 21, 2020Date of Patent: December 14, 2021Inventors: Masaaki Fujimori, Hironori Endo, Toshiyuki Suzuki, Toru Matsuyama, Ryo Hirabayashi, Nobuaki Ito -
Patent number: 11179930Abstract: A liquid discharging apparatus has: a discharging section that discharges a liquid by being driven by a driving signal; a detecting section that detects vibration caused in the discharging section; and an inspecting section that inspects the discharging state of the liquid in the discharging section according to the result of detection by the detecting section. In a first period, the potential of the driving signal is changed from a first reference potential to another potential and back to the first reference potential. In a second period, the potential of the driving signal is changed from the first reference potential to a second reference potential. In a third period, the detecting section detects vibration caused in the discharging section. In a fourth period, the potential of the driving signal is changed from the second reference potential to another potential and back to the second reference potential.Type: GrantFiled: February 25, 2020Date of Patent: November 23, 2021Assignee: Seiko Epson CorporationInventors: Osamu Shinkawa, Masashi Kamiyanagi, Toshiyuki Suzuki
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Patent number: 11130332Abstract: A head unit comprising: a first line through which a driving signal is supplied; a first discharging section that has a first piezoelectric element having a first electrode, the first discharging section discharging liquid according to the displacement of the first piezoelectric element, the displacement being caused when the driving signal is supplied to the first electrode; a detection circuit that detects the potential of a second line; a first switch that makes a switchover as to whether to electrically couple the first electrode and first line together; a second switch that makes a switchover as to whether to electrically couple the first electrode and second line together; a third switch that makes a switchover as to whether to electrically couple the first line and second line together; and a first resistor provided in series with the third switch between the first line and the second line.Type: GrantFiled: February 25, 2020Date of Patent: September 28, 2021Assignee: Seiko Epson CorporationInventors: Osamu Shinkawa, Masashi Kamiyanagi, Toshiyuki Suzuki
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Patent number: 10913273Abstract: A liquid ejecting apparatus includes a discharge portion provided with a piezoelectric element that is driven by a driving signal and a compression chamber that discharges a liquid from a nozzle according to the driving of the piezoelectric element, a detection unit detecting residual vibration occurring in the discharge portion, in a detection period after the piezoelectric element is driven and outputting a residual vibration signal indicating a waveform of the residual vibration, a specification unit specifying an initial time from a start time when the detection period starts to a reference time when a residual vibration signal becomes a signal level of a center of an amplitude after the start time of the detection period, and an estimation unit estimating a viscosity of the liquid in the compression chamber, based on the initial time.Type: GrantFiled: September 19, 2019Date of Patent: February 9, 2021Assignee: Seiko Epson CorporationInventors: Daichi Orihara, Toshiyuki Suzuki
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Publication number: 20200374983Abstract: There is provide a printing apparatus including: a transport section that transports a medium in a first direction; a discharge section that discharges a liquid to the medium transported by the transport section; a signal generation section that outputs a first pulse signal; and a heating section that is provided downstream of the discharge section in the first direction, includes a first heater that generates heat in accordance with a first pulse included in the first pulse signal, and heats the medium, in which the signal generation section adjusts the first pulse in accordance with a heating amount for heating the medium by the heating section.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
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Publication number: 20200369045Abstract: There is provided a printing apparatus including: a transport section that transports a medium in a first direction; a discharge section that discharges a liquid to the medium transported by the transport section; and a heater that is provided downstream of the discharge section in the first direction, and heats the medium, in which the heater includes a ceramic substrate, a heat generating resistor provided on the ceramic substrate, and a protection section that protects the heat generating resistor.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
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Publication number: 20200369044Abstract: There is provided a printing apparatus including: a transport section that transports a medium in a first direction; a printing section that makes a liquid adhere to the medium transported by the transport section; a heating section provided downstream of the printing section in the first direction, in which the heating section includes a first heater that extends to a first range in a second direction intersecting the first direction and a second range positioned on one side in the second direction from the first range and heats the medium, and a second heater that extends to the first range and a third range positioned on the other side in the second direction from the first range, and heats the medium, and heats the medium by the first heater and the second heater when the printing section made the liquid adhere to the first range on the medium.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Inventors: Masaaki FUJIMORI, Hironori ENDO, Toshiyuki SUZUKI, Toru MATSUYAMA, Ryo HIRABAYASHI, Nobuaki ITO
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Publication number: 20200269567Abstract: A liquid discharging apparatus has: a discharging section that discharges a liquid by being driven by a driving signal; a detecting section that detects vibration caused in the discharging section; and an inspecting section that inspects the discharging state of the liquid in the discharging section according to the result of detection by the detecting section. In a first period, the potential of the driving signal is changed from a first reference potential to another potential and back to the first reference potential. In a second period, the potential of the driving signal is changed from the first reference potential to a second reference potential. In a third period, the detecting section detects vibration caused in the discharging section. In a fourth period, the potential of the driving signal is changed from the second reference potential to another potential and back to the second reference potential.Type: ApplicationFiled: February 25, 2020Publication date: August 27, 2020Inventors: Osamu SHINKAWA, Masashi KAMIYANAGI, Toshiyuki SUZUKI
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Publication number: 20200269570Abstract: A head unit comprising: a first line through which a driving signal is supplied; a first discharging section that has a first piezoelectric element having a first electrode, the first discharging section discharging liquid according to the displacement of the first piezoelectric element, the displacement being caused when the driving signal is supplied to the first electrode; a detection circuit that detects the potential of a second line; a first switch that makes a switchover as to whether to electrically couple the first electrode and first line together; a second switch that makes a switchover as to whether to electrically couple the first electrode and second line together; a third switch that makes a switchover as to whether to electrically couple the first line and second line together; and a first resistor provided in series with the third switch between the first line and the second line.Type: ApplicationFiled: February 25, 2020Publication date: August 27, 2020Inventors: Osamu SHINKAWA, Masashi KAMIYANAGI, Toshiyuki SUZUKI
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Patent number: 10730289Abstract: A liquid ejecting apparatus includes an ejection unit that ejects a liquid by a piezoelectric element being driven, a drive signal generation unit that generates a drive signal for driving the piezoelectric element, a residual vibration detection unit that detects a residual vibration of the ejection unit after the drive signal is applied to the piezoelectric element, and an inspection control signal generation unit that generates an inspection control signal for instructing start of detection of the residual vibration by the residual vibration detection unit. The inspection control signal when a temperature of the ejection unit is a first temperature differs from the inspection control signal when the temperature of the ejection unit is a second temperature lower than the first temperature.Type: GrantFiled: December 26, 2018Date of Patent: August 4, 2020Assignee: Seiko Epson CorporationInventor: Toshiyuki Suzuki
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Publication number: 20200224259Abstract: A method for determining pregnancy in a ruminant includes measuring an expression level of molecules induced in response to IFN-? in mucosal epithelial cells using a sample containing the mucosal epithelial cells, and determining pregnancy in the test ruminant animal by comparing the expression level with an expression level of the molecules in corresponding mucosal epithelial cells of a non-pregnant ruminant animal of the same species.Type: ApplicationFiled: August 29, 2018Publication date: July 16, 2020Applicant: National University Corporation Hokkaido UniversityInventors: Masashi TAKAHASHI, Hiroki KUNII, Tsukino ITO, Manabu KAWAHARA, Hanako BAI, Toshiyuki SUZUKI
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Patent number: 10603908Abstract: A first drive waveform for causing a liquid to be discharged from a first discharge unit and performing printing becomes a first potential during a first period, becomes a fourth potential during a second period, and becomes the first potential during a third period. A second drive waveform for inspecting the first discharge unit becomes a second potential during a fourth period, becomes a third potential during a fifth period, and becomes the second potential during a sixth period, where the third potential is lower than the fourth potential and the first potential.Type: GrantFiled: December 26, 2018Date of Patent: March 31, 2020Assignee: Seiko Epson CorporationInventor: Toshiyuki Suzuki
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Publication number: 20200094554Abstract: A liquid ejecting apparatus includes a discharge portion provided with a piezoelectric element that is driven by a driving signal and a compression chamber that discharges a liquid from a nozzle according to the driving of the piezoelectric element, a detection unit detecting residual vibration occurring in the discharge portion, in a detection period after the piezoelectric element is driven and outputting a residual vibration signal indicating a waveform of the residual vibration, a specification unit specifying an initial time from a start time when the detection period starts to a reference time when a residual vibration signal becomes a signal level of a center of an amplitude after the start time of the detection period, and an estimation unit estimating a viscosity of the liquid in the compression chamber, based on the initial time.Type: ApplicationFiled: September 19, 2019Publication date: March 26, 2020Inventors: Daichi ORIHARA, Toshiyuki SUZUKI
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Patent number: 10562299Abstract: A drive signal generating unit generates a drive signal during a printing process including a first drive waveform for driving a discharger to discharge a liquid and a first micro-vibration waveform, and generates a drive signal during a discharging state determination process including a second drive waveform for driving the discharger to inspect the discharger, and a second micro-vibration waveform. The first drive waveform becomes a first potential during a first period, becomes a fourth potential during a second period, and becomes the first potential during a third period. The second drive waveform becomes a second potential during a fourth period, becomes a third potential during a fifth period, and becomes the second potential during a sixth period. The first micro-vibration waveform and the second micro-vibration waveform are different from each other.Type: GrantFiled: December 26, 2018Date of Patent: February 18, 2020Assignee: Seiko Epson CorporationInventor: Toshiyuki Suzuki
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Patent number: 10535233Abstract: A checkout system includes a plurality of settlement apparatuses and a registration apparatus. The registration apparatus includes a scanner, a storage unit, a communication interface, and a processor. The processor controls the scanner, the storage unit and the communication interface to identify a commodity corresponding to a scanned code, generate the settlement information, and transmit the settlement information to a selected one of the plurality of settlement apparatuses. The selected one of the plurality of settlement apparatuses determines, with respect to itself, whether a settlement processing is currently being performed and whether a settlement processing was completed within a preceding predetermined amount of time.Type: GrantFiled: August 27, 2018Date of Patent: January 14, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Toshiyuki Suzuki
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Patent number: 10464313Abstract: A liquid droplet ejecting apparatus includes a liquid droplet ejecting head that includes a pressure chamber to which a liquid is supplied from a liquid supply source, a nozzle that communicates with the pressure chamber, and an actuator that vibrates the pressure chamber, and discharges a liquid droplet from the nozzle by driving of the actuator, a cap designed to make a capping state where the cap is in contact with the liquid droplet ejecting head to form a space where the nozzle opens and a non-capping state where the cap is separated from the liquid droplet ejecting head, and a detection unit designed to detect a state in the pressure chamber, in which in the capping state, the detection unit detects the state in the pressure chamber.Type: GrantFiled: July 5, 2018Date of Patent: November 5, 2019Assignee: Seiko Epson CorporationInventors: Toshihiro Shinbara, Toshio Nakata, Toshiyuki Suzuki
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Patent number: 10406805Abstract: A liquid discharging apparatus includes a plurality of dischargers that discharge a liquid, a determination portion that determines discharge states of the liquid in the dischargers, and a controller that controls the plurality of dischargers, in which, in a case in which the determination portion determines that the discharge state of the liquid in one discharger is abnormal, the controller controls the plurality of dischargers so as to cause the liquid to be discharged from another discharger instead of causing the liquid to be discharged from the one discharger until a predetermined time has elapsed since determination, and controls the plurality of dischargers so that a repair operation, which repairs the discharge state of the liquid in the one discharger to normal, is caused to be executed after the predetermined time has elapsed since the determination.Type: GrantFiled: May 12, 2017Date of Patent: September 10, 2019Assignee: Seiko Epson CorporationInventors: Yasuhiro Hosokawa, Toshiyuki Suzuki
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Publication number: 20190202202Abstract: A first drive waveform for causing a liquid to be discharged from a first discharge unit and performing printing becomes a first potential during a first period, becomes a fourth potential during a second period, and becomes the first potential during a third period. A second drive waveform for inspecting the first discharge unit becomes a second potential during a fourth period, becomes a third potential during a fifth period, and becomes the second potential during a sixth period, where the third potential is lower than the fourth potential and the first potential.Type: ApplicationFiled: December 26, 2018Publication date: July 4, 2019Inventor: Toshiyuki SUZUKI
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Publication number: 20190202203Abstract: A drive signal generating unit generates a drive signal during a printing process including a first drive waveform for driving a discharger to discharge a liquid and a first micro-vibration waveform, and generates a drive signal during a discharging state determination process including a second drive waveform for driving the discharger to inspect the discharger, and a second micro-vibration waveform. The first drive waveform becomes a first potential during a first period, becomes a fourth potential during a second period, and becomes the first potential during a third period. The second drive waveform becomes a second potential during a fourth period, becomes a third potential during a fifth period, and becomes the second potential during a sixth period. The first micro-vibration waveform and the second micro-vibration waveform are different from each other.Type: ApplicationFiled: December 26, 2018Publication date: July 4, 2019Inventor: Toshiyuki SUZUKI
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Publication number: 20190193394Abstract: A liquid ejecting apparatus includes an ejection unit that ejects a liquid by a piezoelectric element being driven, a drive signal generation unit that generates a drive signal for driving the piezoelectric element, a residual vibration detection unit that detects a residual vibration of the ejection unit after the drive signal is applied to the piezoelectric element, and an inspection control signal generation unit that generates an inspection control signal for instructing start of detection of the residual vibration by the residual vibration detection unit. The inspection control signal when a temperature of the ejection unit is a first temperature differs from the inspection control signal when the temperature of the ejection unit is a second temperature lower than the first temperature.Type: ApplicationFiled: December 26, 2018Publication date: June 27, 2019Inventor: Toshiyuki SUZUKI