1
Fumio Watanabe, Yoshikazu Itoh, Shunji Wake: Apparatus for collecting television channel data and market research data. Video Research, Ikegami Tsushinki, Spencer & Frank, February 27, 1990: US04905080 (108 worldwide citation)

A data collecting apparatus is used in a survey system in which research data such as television audience ratings and market research data is collected by a data collecting device provided in each of a plurality of panelists' homes, the collected research data is sent to a data center through teleph ...


2
Fumio Watanabe, Yoshikazu Itoh: Audience rating measuring system for television and video tape recorder. Video Research, Roberts Spiecens & Cohen, March 4, 1986: US04574304 (78 worldwide citation)

The invention relates to an audience rating measuring system for a television and a video tape recorder and provides an audience rating measuring system which can give accurate audience data under various conditions, such as when a television and a video tape recorder are used in combination, that c ...


3
Yosikazu Itoh, Hidetoshi Ichige, Tadayuki Aoyama: Automatic commercial message recognition and monitoring device. K K Video Research, Sughrue Mion Zinn Macpeak & Seas, November 10, 1992: US05162905 (68 worldwide citation)

An automatic commercial message (CM) recognition device has an audio data preparing portion (6) for producing audio data from an audio signal contained in a TV program received, a silence data preparing portion (7) for producing silence data from the audio signal contained in the TV program received ...


4
Yosikazu Itoh, Hiroshi Tanaka: Method and apparatus for monitoring TV channel selecting status. K K Video Research, Sughrue Mion PLLC, November 26, 2002: US06487719 (62 worldwide citation)

A monitoring apparatus connected to a TV set selects, from a plurality of internal sources, such as VHF/UHF and BS tuners and built in said TV, and a plurality of external sources connected to the TV set from the outside thereof, such as a CATV tuner and a VCR, the source of video currently displaye ...


5
Fumio Watanabe, Yoshikazu Itoh: Audience rating measuring system. Video Research, Roberts Spiecens & Cohen, November 11, 1986: US04622583 (60 worldwide citation)

A system which detects the operation of a video tape recorder to obtain data related to the operation of the video tape recorder. The system is also capable of determining the dubbing condition of the video tape recorder over the recording of an ordinary broadcast. The system further determines the ...


6
Nobutaka Shinohara, Masuo Wada, Haruhiko Inokuma: System for verifying broadcast of a commercial message. Kabushiki Kaisha Toshiba, Video Research, Oblon Spivak McClelland Maier & Neustadt P C, May 14, 2002: US06388712 (56 worldwide citation)

A broadcast verification system includes a CM creation device for creating a CM signal to be included in a television signal and a verification device for receiving the television broadcast signal transmitted from a broadcast station and checking the CM signal. The CM creation device includes an enc ...


7
Yoshikazu Itoh: Status monitoring apparatus for car radio. K K Video Research, Morrison & Foerster, April 20, 1999: US05896554 (50 worldwide citation)

A monitoring apparatus for the use status of a car radio is disclosed. In addition to the function of identifying a radio station to which the car radio is tuned at any given time, the present apparatus is capable of identifying the individual actually in the driver's seat listening to that radio st ...


8
Watanabe Fumio: Television audience measurement system. Video Research, Fleit Gipple & Jacobson, April 9, 1974: US3803349 (49 worldwide citation)

Disclosed is a television audience measurement system in which successive sound i-f signals taken from monitor television receivers under the control of different control signals supplied from a main oscillator at predetermined frequencies are each compared with successive sound i-f signals from a t ...


9
Fumio Watanabe, Yoshikazu Itoh: Apparatus for detecting recorded data in a video tape recorder for audience rating purposes. Video Research, Roberts Spiecens & Cohen, December 20, 1988: US04792864 (39 worldwide citation)

A system is disclosed for detecting the recording data of a video tape recorder, which is enabled to detect data concerning the time and channel a program played back was recorded at and through, by adding both calendar data such as the date and time and channel data indicating a channel to be recor ...


10
Junji Ogawa, Tadayuki Aoyama, Takahide Yoshioka: Television channel selection monitoring apparatus. K K Video Research, October 26, 1999: US05973750 (31 worldwide citation)

A television channel selection monitoring apparatus for identifying the broadcast channel to which a television receiver means is tuned at any given time is disclosed. Instead of relying for the channel identification on the local oscillation frequency at the tuner of such television receiver means, ...