Patents by Inventor Kan Wah Kan Sum

Kan Wah Kan Sum 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: 10126637
    Abstract: A projection device for projecting images on a surface of the device includes an outer housing having a front translucent screen, a projection module frame mounted on an inner surface of the outer housing, and a projection roller frame supported by the projection module frame. The projection roller frame includes first and second spaced apart rollers rotatable respectively on two opposite cylindrical ends integrally formed on a lampshade. A cylindrical projection film is held between the first and second rollers. A light source is mounted inside the lampshade so that an image formed on the projection film can be projected on the front translucent screen by the light source. The device further includes a gear mechanism for driving the rollers, a position-limiting mechanism, and a speaker.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: November 13, 2018
    Assignee: Kan Wah Kan Sum
    Inventor: Kan Wah Kan Sum
  • Publication number: 20180224729
    Abstract: A projection device for projecting images on a surface of the device includes an outer housing having a front translucent screen, a projection module frame mounted on an inner surface of the outer housing, and a projection roller frame supported by the projection module frame. The projection roller frame includes first and second spaced apart rollers rotatable respectively on two opposite cylindrical ends integrally formed on a lampshade. A cylindrical projection film is held between the first and second rollers. A light source is mounted inside the lampshade so that an image formed on the projection film can be projected on the front translucent screen by the light source. The device further includes a gear mechanism for driving the rollers, a position-limiting mechanism, and a speaker.
    Type: Application
    Filed: April 3, 2018
    Publication date: August 9, 2018
    Inventor: Kan Wah Kan Sum
  • Patent number: 9946141
    Abstract: A projection device for projecting images on a surface of the device includes an outer housing having a front translucent screen, a projection module frame mounted on an inner surface of the outer housing, and a projection roller frame supported by the projection module frame. The projection roller frame includes first and second spaced apart rollers rotatable respectively on two opposite cylindrical ends integrally formed on a lampshade. A cylindrical projection film is held between the first and second rollers. A light source is mounted inside the lampshade so that an image formed on the projection film can be projected on the front translucent screen by the light source. The device further includes a gear mechanism for driving the rollers, a position-limiting mechanism, and a speaker.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: April 17, 2018
    Assignee: Kan Wah Kan Sum
    Inventor: Kan Wah Kan Sum
  • Publication number: 20170307965
    Abstract: A projection device for projecting images on a surface of the device includes an outer housing having a front translucent screen, a projection module frame mounted on an inner surface of the outer housing, and a projection roller frame supported by the projection module frame. The projection roller frame includes first and second spaced apart rollers rotatable respectively on two opposite cylindrical ends integrally formed on a lampshade. A cylindrical projection film is held between the first and second rollers. A light source is mounted inside the lampshade so that an image formed on the projection film can be projected on the front translucent screen by the light source. The device further includes a gear mechanism for driving the rollers, a position-limiting mechanism, and a speaker.
    Type: Application
    Filed: July 12, 2017
    Publication date: October 26, 2017
    Inventor: Kan Wah Kan Sum
  • Patent number: 9750294
    Abstract: A decoration device with projection images for holidays, festivals and parties includes a shell, a module provided inside the shell, a projection unit mounted on the module, a projection film provided on the projection unit, and an LED light source disposed at one side of the projection film so that a transparent image formed on the projection film can be projected on a surface of the shell by the light source. A Bluetooth® speaker can be mounted inside the module to play music and sound from a mobile device.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: September 5, 2017
    Assignee: Kan Wah Kan Sum
    Inventor: Kan Wah Kan Sum
  • Publication number: 20160097969
    Abstract: A decoration device with projection images for holidays, festivals and parties includes a shell, a module provided inside the shell, a projection unit mounted on the module, a projection film provided on the projection unit, and an LED light source disposed at one side of the projection film so that a transparent image formed on the projection film can be projected on a surface of the shell by the light source. A Bluetooth® speaker can be mounted inside the module to play music and sound from a mobile device.
    Type: Application
    Filed: June 22, 2015
    Publication date: April 7, 2016
    Inventor: Kan Wah Kan Sum