Kan WAH Kan Sum

The Hong Kong Special Administrative Region of the People's Republic of China

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IPC Class
A41G 1/00 - Artificial flowers, fruit, leaves, or treesGarlands 3
G03B 21/00 - Projectors or projection-type viewersAccessories therefor 3
G03B 21/14 - Projectors or projection-type viewersAccessories therefor Details 3
G03B 31/00 - Associated working of cameras or projectors with sound-recording or sound-reproducing means 3
G03B 21/10 - Projectors with built-in or built-on screen 2
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Found results for  patents

1.

Projection device for projecting images on a surface of the device

      
Application Number 15943706
Grant Number 10126637
Status In Force
Filing Date 2018-04-03
First Publication Date 2018-08-09
Grant Date 2018-11-13
Owner Kan Wah Kan Sum (Hong Kong)
Inventor
  • Sum, Kan Wah Kan
  • Lau, Chun Yuen

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.

IPC Classes  ?

  • G03B 21/14 - Projectors or projection-type viewersAccessories therefor Details
  • G03B 21/10 - Projectors with built-in or built-on screen
  • G03B 31/00 - Associated working of cameras or projectors with sound-recording or sound-reproducing means
  • G03B 21/20 - Lamp housings
  • G03B 23/10 - Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
  • A41G 1/00 - Artificial flowers, fruit, leaves, or treesGarlands
  • G03B 21/00 - Projectors or projection-type viewersAccessories therefor
  • G03B 21/32 - Details specially adapted for motion-picture projection
  • A63H 33/22 - Optical, colour, or shadow toys
  • A63H 3/00 - Dolls
  • A63H 3/36 - Dolls DetailsAccessories

2.

Projection device for projecting images on a surface of the device

      
Application Number 15648434
Grant Number 09946141
Status In Force
Filing Date 2017-07-12
First Publication Date 2017-10-26
Grant Date 2018-04-17
Owner Kan Wah Kan Sum (Hong Kong)
Inventor
  • Sum, Kan Wah Kan
  • Lau, Chun Yuen

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.

IPC Classes  ?

  • G03B 21/14 - Projectors or projection-type viewersAccessories therefor Details
  • G03B 31/00 - Associated working of cameras or projectors with sound-recording or sound-reproducing means
  • G03B 21/10 - Projectors with built-in or built-on screen
  • G03B 21/20 - Lamp housings
  • G03B 23/10 - Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
  • A41G 1/00 - Artificial flowers, fruit, leaves, or treesGarlands
  • G03B 21/00 - Projectors or projection-type viewersAccessories therefor

3.

Decoration device with projection images for holidays, festivals and parties

      
Application Number 14745500
Grant Number 09750294
Status In Force
Filing Date 2015-06-22
First Publication Date 2016-04-07
Grant Date 2017-09-05
Owner Kan Wah Kan Sum (Hong Kong)
Inventor
  • Sum, Kan Wah Kan
  • Lau, Chun Yuen

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.

IPC Classes  ?

  • G03B 21/14 - Projectors or projection-type viewersAccessories therefor Details
  • A41G 1/00 - Artificial flowers, fruit, leaves, or treesGarlands
  • G03B 31/00 - Associated working of cameras or projectors with sound-recording or sound-reproducing means
  • G03B 21/00 - Projectors or projection-type viewersAccessories therefor