DISPLAY PROCESSING APPARATUS AND PROJECTION TYPE IMAGE DISPLAY DEVICE

Title:

DISPLAY PROCESSING APPARATUS AND PROJECTION TYPE IMAGE DISPLAY DEVICE

Document Type and Number:

Japanese Patent JP2015215376

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a short-focus type projector device that can adjust a focal distance of a projection image according to the operation by a user.SOLUTION: A display processing apparatus includes a focus control part that controls a focal distance of at least a central area of a projection image that is enlarged and projected from a projection optical system that can set a focal distance of a projection image to a point-blank range.

Inventors:

SASAZAKI YUKIHIRO
NISHIKAWA JUN

Application Number:

JP2014096325A

Publication Date:

December 03, 2015

Filing Date:

May 07, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SONY CORP

International Classes:

G03B21/14; H04N5/74

Attorney, Agent or Firm:

Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Kazuki Matsumoto

Previous Patent: METHOD FOR MANUFACTURING ELECTROPHORETIC PARTICLE, ELECTROPHORETIC PARTICLE, ELECTROPHORETIC DISPERS...

Next Patent: IMAGE DISPLAY DEVICE AND CONTROL METHOD OF AIR BLOWING FAN