Title:
放送システム、放送受信装置及び視聴率調査方法
Document Type and Number:
Japanese Patent JP4207102
Kind Code:
B2
Inventors:
Hiroyuki Yoshida
Masami Yamashita
Masami Yamashita
Application Number:
JP23425899A
Publication Date:
January 14, 2009
Filing Date:
August 20, 1999
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04H60/31; H04H60/13; H04H1/00
Domestic Patent References:
| JP6319140A | ||||
| JP8307374A | ||||
| JP8163538A | ||||
| JP11017633A | ||||
| JP6169295A | ||||
| JP9046674A | ||||
| JP6311123A | ||||
| JP11284583A |
Attorney, Agent or Firm:
Keiki Tanabe