Title:
TRANSMITTER, RECEIVER, CONTROL METHOD, PROGRAM AND STORAGE MEDIUM
Document Type and Number:
Japanese Patent JP2009225140
Kind Code:
A
Abstract:
To reliably transmit image data when a receiver becomes ready for reception by securing a communication channel necessary for image data transmission in a transmitter side if the receiver cannot receive data, and to reliably receive image data by securing a communication channel necessary for image data receiving in a receiver side if the receiver becomes ready for data reception.
If the receiver cannot receive data when the transmitter calls the receiver to transmit image data (S402 NO), the transmitter secures a communication channel necessary for image data transmission (S405). Then, the receiver notifies the transmitter of a receivable state (S808), and secures a communication channel necessary for image data reception (S807).
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Inventors:
SUZUKI AKIO
NOMURA NOBUSHIGE
NOMURA NOBUSHIGE
Application Number:
JP2008067732A
Publication Date:
October 01, 2009
Filing Date:
March 17, 2008
Export Citation:
Assignee:
CANON KK
International Classes:
H04N1/00; H04N1/32
Domestic Patent References:
| JP2007053666A | 2007-03-01 |
Attorney, Agent or Firm:
Keizo Nishiyama
Yuichi Uchio
Yuichi Uchio