Title:
TELEVISION BROADCAST SIGNAL TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/122675
Kind Code:
A1
Abstract:
Disclosed is a television broadcast signal transmission system provided with a transmitter for television broadcast signal transmission and a power supply device which receives power supplied from an external power source, generates a supply voltage for driving the transmitter, and supplies said supply voltage to the transmitter. The television broadcast signal transmission system transmits a television broadcast signal to multiple television terminals via transmission wires. The power supply device is provided with a power supply switching means which supplies the supply voltage to the transmitter when a permission signal is transmitted from at least one of the connection adapters via the television terminals and the transmission wires, and which stops the supply of the supply voltage to the transmitter when the permission signal is not transmitted from the connection adapters.
Inventors:
MATSUBARA HIROSHI (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
Application Number:
PCT/JP2011/058106
Publication Date:
October 06, 2011
Filing Date:
March 30, 2011
Export Citation:
Assignee:
MASPRO DENKO KK (JP)
MATSUBARA HIROSHI (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
MATSUBARA HIROSHI (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
International Classes:
H04N5/00; H04N5/63; H04N7/173
Foreign References:
| JP3135030U | 2007-08-30 | |||
| JP2003283351A | 2003-10-03 | |||
| JP2000353971A | 2000-12-19 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
Nagoya international patent business corporation (JP)
Nagoya international patent business corporation (JP)
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Claims: