Title:
A zoom control device and a method for controlling the same
Document Type and Number:
Japanese Patent JP5984887
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To promptly and surely give an instruction for a zoom magnification and zoom speed desired by a user with touch operation.SOLUTION: A zoom control device is provided that includes: touch detection means (touch panels 106a, 70a) for detecting touch operation; and control means (CPU 151, system control unit 50) for performing control in such a manner that, when the touch detection means detects that a plurality of points are touched and detects touch operation for moving the touch positions, zooming is performed with a zoom magnification corresponding to a change of a distance between the plurality of touch points and at a zoom speed corresponding to a rotation angle of a straight line formed by the plurality of touch points.SELECTED DRAWING: Figure 2
Inventors:
Mayu Yokoi
Application Number:
JP2014171000A
Publication Date:
September 06, 2016
Filing Date:
August 25, 2014
Export Citation:
Assignee:
Canon Inc
International Classes:
G06F3/0488; G02B7/08; G03B17/00; G06F3/0484; H04N5/225
Domestic Patent References:
| JP2011028345A | ||||
| JP2012506574A | ||||
| JP2011205345A | ||||
| JP2005025170A |
Foreign References:
| US20130141362 | ||||
| US20090174677 |
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa