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Title:
POWER SOURCE OF TELEVISION BROADCAST SIGNAL TRANSMITTER AND TELEVISION BROADCAST SIGNAL TRANSMITTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/122674
Kind Code:
A1
Abstract:
The disclosed power source of a television broadcast signal transmitter supplies a DC voltage to a transmitter provided on a transmission line of a television broadcast transmission system, and is provided with: a normally open-type relay switch which allows or blocks conduction in a power supply route between a power plug and a power supply circuit; a charging means which receives power from the power supply circuit and charges an accumulator; a normally open-type switching element which allows or blocks conduction in a conduction route through which current flows to the relay coil by means of the power accumulated in the accumulator; a drive circuit which turns on the switching element when a prescribed control signal is inputted via the transmission line; and an operation switch for allowing conduction in the power supply route by means of external operation.

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Inventors:
MATSUBARA HIROSHI (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
Application Number:
PCT/JP2011/058105
Publication Date:
October 06, 2011
Filing Date:
March 30, 2011
Export Citation:
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Assignee:
MASPRO DENKO KK (JP)
MATSUBARA HIROSHI (JP)
NAGASE MASAAKI (JP)
UEMURA JUN (JP)
International Classes:
H04N7/16; H04N5/44
Foreign References:
JP2000125369A2000-04-28
JP2004274897A2004-09-30
JP2008010972A2008-01-17
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
Nagoya international patent business corporation (JP)
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