Television co-viewing series unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 18, 2001
Grant Date -
Aug 23, 2001
app pub date -
Feb 16, 2001
filing date -
Feb 21, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A series unit capable of easily changing over a undirectional state to/from a bidirectional state and easily judging which state the series unit is in, is provided. A high pass filter 9 and a changeover switch 5 are included, and an operating protrusion 5a of the changeover switch 5 is provided in a circular recess 10 of a panel 2 formed to surround an F-type terminal 4 provided on a front surface. A cylindrical adapter 6 inserted into the circular recess 10 is provided so as to operate the operating protrusion 5a. The adapter 6 has a notch 6a which is provided on one side portion of the adapter 6 and which does not press the operating protrusion 5a. By inserting the adapter 6 while rotating the adapter and changing an angle, a unidirectional state can be changed over to/from a bidirectional state. In addition, a mark 16a indicating a position of the operating protrusion 5a is provided on the panel 2 and a mark 15 indicating a notch position is provided on an end portion on a front surface of the adapter 6.
First Claim
Family
International Classification(s)
Cited Art Landscape
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