Abstract: A flight-plan generating apparatus (2) selects the visit point at the longest distance from the departure point as a tentative BP, and retrieves a fare product from a fare product database (10) by using the tentative BP as a retrieval key. The flight-plan generating apparatus (2) also retrieves a fare product from the fare product database (10) by using a forced BP as the retrieval key. By setting the visit point of the forced BP as a BP, the visit point of the tentative BP satisfies a stopover rule. The flight-plan generating apparatus (2) acquires operating flights in a plurality of zones from a CRS (4) or a GDS (5) on the basis of the fare products retrieved in this way, and generates a flight plan that includes a flight schedule formed of a combination of the operating flights and fares thereof.

Abstract: A zoom lens system capable of macro-photography having, in the order from the object side, a first lens unit that has positive optical power and is fixed during zooming; a second lens unit that has negative optical power and moves along the optical axis during zooming; a third lens unit that has positive optical power and is fixed during zooming; and a fourth lens unit that has positive optical power and moves along the optical axis during zooming.

Abstract: A zoom lens system capable of macro-photography having, in the order from the object side, a first lens unit that has positive optical power and is fixed during zooming; a second lens unit that has negative optical power and moves along the optical axis during zooming; a third lens unit that has positive optical power and is fixed during zooming; and a fourth lens unit that has positive optical power and moves along the optical axis during zooming.

Abstract: In a vacuum brazing apparatus in which articles provided with brazing material are heated to be brazed with each other in a vacuum chamber, no heating means for brazing are arranged in the inside of the vacuum chamber, and heating means are so arranged outside of the vacuum chamber as to heat the vacuum chamber.

Abstract: The present invention relates to a light-sensing circuit used in a so-called light regulating type flash device to automatically control the amount of flash emitted. In the present invention, a flash photographing with an appropriate exposure is done, securing such flash amount as providing appropriate exposure always regardless of the position of an object in a photographing frame. This is done by making light-sensing for each of different zones independently using a plural number of light-sensing circuits for stopping the flashing by the output of the one light-sensing circuit reaching a prescribed level of output from the different light-sensing circuits.