Abstract: In the presence information management method of the present invention, the e-mail address of the user and the terminal address of a terminal are extracted upon receipt of an e-mail transmission request, the e-mail address and terminal address correspondence table is retrieved by using the extracted e-mail address, and the extracted terminal address is registered in the e-mail address and terminal address correspondence table if the retrieved terminal address does not correspond to the extracted terminal address. Thus, the user can automatically update presence information with his/her e-mail transmission request.

Abstract: Conference system includes a conference status recording unit recording an identifier of a conference using allocated resources and a usefulness value indicating the degree of usefulness of the conference. A request accepting unit accepts a conference start request from a user. A conference opening unit instructs a multipoint connection apparatus to secure resources for use in the requested conference and records an identifier of the conference to be started and an initial usefulness value of the conference in the conference status recording unit. A resource releasing unit, when there are no available resources necessary for the new conference accepted, selects another open conference, of which resources may be released, based on the usefulness value of the other open conference recorded in the conference status recording unit, and instructs the multipoint connection apparatus to release the resources allocated to the selected open conference.

Abstract: In the presence information management method of the present invention, the e-mail address of the user and the terminal address of a terminal are extracted upon receipt of an e-mail transmission request, the e-mail address and terminal address correspondence table is retrieved by using the extracted e-mail address, and the extracted terminal address is registered in the e-mail address and terminal address correspondence table if the retrieved terminal address does not correspond to the extracted terminal address. Thus, the user can automatically update presence information with his/her e-mail transmission request.

Abstract: The present invention provides an emulsion for thermal recording material to be used as the resin component of a protective layer constituting a thermal recording material, characterized by comprising a copolymer resin (A) prepared by copolymerizing (a) methacrylamide with (b) a vinyl monomer having a carboxyl group and resin particles (B) prepared by polymerizing (c) a vinyl monomer, with the resin (A) distributed substantially on the surfaces of the resin particles (B).

Abstract: The present invention provides an emulsion for thermal recording material to be used as the resin component of a protective layer constituting a thermal recording material, characterized by comprising a copolymer resin (A) prepared by copolymerizing (a) methacrylamide with (b) a vinyl monomer having a carboxyl group and resin particles (B) prepared by polymerizing (c) a vinyl monomer, with the resin (A) distributed substantially on the surfaces of the resin particles (B).

Abstract: The present invention provides an emulsion for thermal recording material to be used as the resin component of a protective layer constituting a thermal recording material, characterized by comprising a copolymer resin (A) prepared by copolymerizing (a) methacrylamide with (b) a vinyl monomer having a carboxyl group and resin particles (B) prepared by polymerizing (c) a vinyl monomer, with the resin (A) distributed substantially on the surfaces of the resin particles (B).

Abstract: An ink composition is provided which can realize an image having excellent rubbing/scratch resistance and waterfastness, is free from a clogged nozzle problem, and enables stable printing. The ink composition comprises a colorant, a fine particle of a polymer, a water-soluble organic solvent, and water, the fine particle of the polymer having a film-forming property, a carboxyl group on its surface, and a reactivity with a divalent metal salt such that, when three volumes of an aqueous emulsion, of the fine particle of the polymer, having a fine particle concentration of 0.1% by weight is brought into contact with one volume of an aqueous divalent metal salt solution having a concentration of 1 mol/liter, the time for the transmission of light at a wavelength of 700 nm to be decreased to 50% of the initial transmission is not more than 1×104 sec.

Abstract: A winch for an elevator which is provided with a drive pulley rotated through a reduction gear by a motor and a brake unit provided between the motor and the reduction gear, makes it possible to produce the brake unit with a compact frame, light weight and low cost by fixing the frame of the brake unit to a casing of the reduction gear with bolts. Further, it can be assembled. easily for a short period of time. An annular oil keep groove is provided on the casing of the reduction gear. An annular oil interrupting projection disposed in the oil keep groove is provided on a hollow rotary shaft fixed the drive pulley. Therefore, lubricant is securely prevented from leakage from the inside of the casing for a long period of time.

Abstract: A fuel injection device adapted to control the amount of injection by the opening time and opening area of a gate which is disposed in a fuel feed passage and which is controlled in connection with the engine rpm and the amount of suction air. The fuel injection device is characterized in that a choke is disposed between the fuel distributing port of a fuel measuring and distributing mechanism and the valve of an automatic valve type fuel injector, whereby the rate of flow and hence the rise time of pressure pulses applied to the injection valve are controlled to provide an accurate amount of injection.