Title:
HEAT SIGNAL WRITER
Document Type and Number:
WIPO Patent Application WO/2007/102475
Kind Code:
A1
Abstract:
A heat signal writer in which the writing pattern of a heat signal is clarified.
The heat signal writer (10), arranged fixedly at an appropriate part of a channel
(1) passing a medium in order to write a heat signal in the medium moving through
the channel (1), comprises a Peltier element (11) for writing a heat signal by
performing temperature variation in a desired pattern through heating and/or
cooling, a channel supporting member (12) where the distal end of a cone composed
of a thermal conductive material having the bottom face side kept in tight contact
with one side of the Peltier element (11) comes into direct contact with the channel
(1), a heat sink (13) kept in tight contace with the other side of the Peltier element
(11), and a heat resistant coating portion covering the periphery of the Peltier
element (11) and the channel supporting member (12) with thermal insulation
resin (14) excepting the channel contact surface (12a) at the distal end.
Inventors:
IMAI HIROSHI (JP)
MATSUSHIMA KEIICHI (JP)
USHIGUSA YOSHIHIRO (JP)
MATSUSHIMA KEIICHI (JP)
USHIGUSA YOSHIHIRO (JP)
Application Number:
PCT/JP2007/054228
Publication Date:
September 13, 2007
Filing Date:
March 05, 2007
Export Citation:
Assignee:
SURPASS IND CO LTD (JP)
IMAI HIROSHI (JP)
MATSUSHIMA KEIICHI (JP)
USHIGUSA YOSHIHIRO (JP)
IMAI HIROSHI (JP)
MATSUSHIMA KEIICHI (JP)
USHIGUSA YOSHIHIRO (JP)
International Classes:
G01F1/7084; G01P5/18
Foreign References:
| JP2004184177A | 2004-07-02 | |||
| JP2005140756A | 2005-06-02 | |||
| JP2003202256A | 2003-07-18 | |||
| JP2002333357A | 2002-11-22 | |||
| JPH08338746A | 1996-12-24 | |||
| JPH05264567A | 1993-10-12 | |||
| JPH08338746A | 1996-12-24 |
Other References:
See also references of EP 1992918A4
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (24F 3-1, Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 12, JP)
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