Patents by Inventor Rajan Narayanaswami

Rajan Narayanaswami 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).

  • Patent number: 11949827
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 2, 2024
    Assignee: Hand Held Products, Inc.
    Inventors: Ramanathan Alaganchetty, Boon Kheng Lim, Rajan Narayanaswami, Qibao Yu, Jian Zeng, Hongqiang Liu, Quanjin Shi, Zhiyong Zhu, Yun Huang, Xiaoming Yuan
  • Patent number: 11938743
    Abstract: An example printing apparatus is illustrated. The printing apparatus includes a print engine assembly. The print engine assembly further includes a bottom chassis portion. The print engine assembly also includes a top chassis portion. The print engine assembly also includes a print head positioned within the top chassis portion. The print engine assembly also includes a plurality of offset pins coupled to the print head, where the plurality of offset pins abuts the bottom chassis portion, and where the plurality of offset pins enables the print head to be positioned at a predetermined distance from the bottom chassis portion.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: March 26, 2024
    Assignee: Hand Held Products, Inc.
    Inventors: Florante Sumalinog Go, Rajan Narayanaswami, David Djayaputra
  • Publication number: 20230262181
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Inventors: Ramanathan ALAGANCHETTY, Boon Kheng LIM, Rajan NARAYANASWAMI, Qibao YU, Jian ZENG, Hongqiang LIU, Quanjin SHI, Zhiyong ZHU, Yun HUANG, Xiaoming YUAN
  • Patent number: 11665295
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: May 30, 2023
    Assignee: Hand Held Products, Inc.
    Inventors: Ramanathan Alaganchetty, Boon Kheng Lim, Rajan Narayanaswami, Qibao Yu, Jian Zeng, Hongqiang Liu, Quanjin Shi, Zhiyong Zhu, Yun Huang, Xiaoming Yuan
  • Publication number: 20230147281
    Abstract: An example printing apparatus is illustrated. The printing apparatus includes a print engine assembly. The print engine assembly further includes a bottom chassis portion. The print engine assembly also includes a top chassis portion. The print engine assembly also includes a print head positioned within the top chassis portion. The print engine assembly also includes a plurality of offset pins coupled to the print head, where the plurality of offset pins abuts the bottom chassis portion, and where the plurality of offset pins enables the print head to be positioned at a predetermined distance from the bottom chassis portion.
    Type: Application
    Filed: January 3, 2023
    Publication date: May 11, 2023
    Inventors: Florante Sumalinog GO, Rajan NARAYANASWAMI, David DJAYAPUTRA
  • Patent number: 11571918
    Abstract: An example printing apparatus is illustrated. The printing apparatus includes a print engine assembly. The print engine assembly further includes a bottom chassis portion. The print engine assembly also includes a top chassis portion. The print engine assembly also includes a print head positioned within the top chassis portion. The print engine assembly also includes a plurality of offset pins coupled to the print head, where the plurality of offset pins abuts the bottom chassis portion, and where the plurality of offset pins enables the print head to be positioned at a predetermined distance from the bottom chassis portion.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: February 7, 2023
    Assignee: DATAMAX-O'NEIL CORPORATION
    Inventors: Florante Sumalinog Go, Rajan Narayanaswami, David Djayaputra
  • Publication number: 20220212483
    Abstract: Examples of the present disclosure relate generally to a printing apparatus and, more particularly, to apparatuses, systems, and methods for printing utilizing laser print head and reactive media.
    Type: Application
    Filed: December 30, 2021
    Publication date: July 7, 2022
    Inventors: Sze Ping CHING, Suraini Binte SAPTU, Phek Thong LEE, Cheng Khoon NG, Deenadayalan DURAIRAJU, Florante Sumalinog GO, David Pratama DJAYAPUTRA, Eng Hing LIM, Rajan NARAYANASWAMI, Yong Xing SHU, Sebastien Michel Marie Joseph D'ARMANCOURT, Harry Nicholas Makabali LANSANGAN, Thomas Axel Jonas CELINDER, WenWei ZHANG, Brian H. Nelson, Timothy Allen GOOD, Norman DAVIES, David CHANEY, Teck Siong SOH, Heng Yew LIM, Kar Boon Oung, Zhiwei WANG, Fong Yin LAU, Hao ZHENG, Henry G. ARDIFF, Giri Babu GUNTIPALLI, Praveen ALLAKA, Zyn Ming LAI, Jang Wei CHAO, Jose F. SANCHEZ GUTIERREZ, Chin Chean LIM
  • Publication number: 20220201140
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventors: Ramanathan ALAGANCHETTY, Boon Kheng LIM, Rajan NARAYANASWAMI, Qibao YU, Jian ZENG, Hongqiang LIU, Quanjin SHI, Zhiyong ZHU, Yun HUANG, Xiaoming YUAN
  • Patent number: 11303773
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 12, 2022
    Assignee: DATAMAX-O'NEIL CORPORATION
    Inventors: Ramanathan Alaganchetty, Boon Kheng Lim, Rajan Narayanaswami, Qibao Yu, Jian Zeng, Hongqiang Liu, Quanjin Shi, Zhiyong Zhu, Yun Huang, Xiaoming Yuan
  • Publication number: 20220024232
    Abstract: An example printing apparatus is illustrated. The printing apparatus includes a print engine assembly. The print engine assembly further includes a bottom chassis portion. The print engine assembly also includes a top chassis portion. The print engine assembly also includes a print head positioned within the top chassis portion. The print engine assembly also includes a plurality of offset pins coupled to the print head, where the plurality of offset pins abuts the bottom chassis portion, and where the plurality of offset pins enables the print head to be positioned at a predetermined distance from the bottom chassis portion.
    Type: Application
    Filed: July 27, 2020
    Publication date: January 27, 2022
    Inventors: Florante Sumalinog Go, Rajan Narayanaswami, David Djayaputra
  • Publication number: 20200145546
    Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 7, 2020
    Inventors: Ramanathan ALAGANCHETTY, Boon Kheng LIM, Rajan NARAYANASWAMI, Qibao YU, Jian ZENG, Hongqiang LIU, Quanjin SHI, Zhiyong ZHU, Yun HUANG, Xiaoming YUAN
  • Patent number: 10464349
    Abstract: A system to calculate line feed error in labels on a printer includes a holder assembly under the label line feed and before the printer burn line; a first sensor and a second sensor on the holder assembly, a fixed distance, L, between them; and a processor. The first sensor senses a first position of a label edge, L1A. The second sensor senses a second position of the label edge, L1B. The processor calculates the distance, L1AB, between the first position and the second position and calculates the line feed error over the fixed distance, L, by taking the difference (L?L1AB). The processor calculates the feed correction to be done to the label, given by [(L?L1AB)/L]×D, where D is a distance between the first sensor and the burn line of the printer. The processor instructs the printer line feed to implement the calculated feed correction.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: November 5, 2019
    Assignee: Datamax-O'Neil Corporation
    Inventors: Ramanathan Alaganchetty, Rajan Narayanaswami
  • Publication number: 20180079235
    Abstract: A system to calculate line feed error in labels on a printer includes a holder assembly under the label line feed and before the printer burn line; a first sensor and a second sensor on the holder assembly, a fixed distance, L, between them; and a processor. The first sensor senses a first position of a label edge, L1A. The second sensor senses a second position of the label edge, L1B. The processor calculates the distance, L1AB, between the first position and the second position and calculates the line feed error over the fixed distance, L, by taking the difference (L?L1AB). The processor calculates the feed correction to be done to the label, given by [(L?L1AB)/L]×D, where D is a distance between the first sensor and the burn line of the printer. The processor instructs the printer line feed to implement the calculated feed correction.
    Type: Application
    Filed: July 6, 2017
    Publication date: March 22, 2018
    Inventors: Ramanathan Alaganchetty, Rajan Narayanaswami
  • Patent number: 9701140
    Abstract: A system to calculate line feed error in labels on a printer includes a holder assembly under the label line feed and before the printer burn line; a first sensor and a second sensor on the holder assembly, a fixed distance, L, between them; and a processor. The first sensor senses a first position of a label edge, L1A. The second sensor senses a second position of the label edge, L1B. The processor calculates the distance, L1AB, between the first position and the second position and calculates the line feed error over the fixed distance, L, by taking the difference (L?L1AB). The processor calculates the feed correction to be done to the label, given by [(L?L1AB)/L]×D, where D is a distance between the first sensor and the burn line of the printer. The processor instructs the printer line feed to implement the calculated feed correction.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: July 11, 2017
    Assignee: Datamax-O'Neil Corporation
    Inventors: Ramanathan Alaganchetty, Rajan Narayanaswami