Abstract: In a light emitting module 40, a light wavelength conversation ceramic 52 converts the wavelength of the light emitted by a semiconductor light emitting element 48 then emits the light. An optical filter 50 transmits the blue light Lb mainly emitted by the semiconductor light emitting element 48 and reflects the yellow light Ly whose wavelength has been mainly converted by the light wavelength conversion ceramic 52. The optical filter 50 is provided on the surface of the light wavelength conversion ceramic 52. The light emitting module 40 is manufactured by: the process where the optical filter 50 is provided on at least one surface of the light wavelength conversion ceramic 52; and the process where the semiconductor light emitting element 48 and the light wavelength conversion ceramic 52 are arranged such that the light emitted by the semiconductor light emitting element 48 is incident into the light wavelength conversion ceramic 52.

Abstract: A light emitting module includes: an LED chip; a plate-shaped phosphor layer that is provided so as to face the light emitting surface of the LED chip and is configured to convert the wavelength of the light emitted by the LED chip; and a filter layer that is formed, of the surfaces of the phosphor layer, on at least one of the surface that faces the LED chip and the side surface, and that is configured to transmit the light emitted from the LED chip and to reflect the light whose wavelength has been converted by the phosphor layer. The filter layer is formed such that a ratio of the energy of the emitted light within a range of ±60° with respect to the front direction to the total energy of emitted light is 80% or more.

Abstract: In a light emitting module 40, light wavelength conversion ceramic 58 converts the wavelength of the light emitted by a semiconductor light emitting element 52. The light wavelength conversion ceramic 58 is made so transparent that the light wavelength conversion ceramic 58 has 40 percent or more of the total light transmittance of the light with a wavelength within the conversion wavelength range. A reflective film 60 is provided on the surface of the light wavelength conversion ceramic 58 and narrows down the emission area of the light that has transmitted the light wavelength conversion ceramic 58 to an area smaller than the light emitting area of the semiconductor light emitting element 52. In the case, the reflective film 60 guides the light such that the light is emitted in the direction approximately parallel to the light emitting surface of the light emitting element 52.

Abstract: A light emitting module includes: a plurality of semiconductor light emitting elements; a substrate by which the arranged plurality of semiconductor light emitting elements are supported; and a plate-shaped light wavelength conversion component that is provided so as to face the light emitting surfaces of the plurality of semiconductor light emitting elements and that converts the wavelength of the light emitted by the semiconductor light emitting element. A phosphor layer has a shielding portion formed in the boundary between respective areas facing the respective light emitting surfaces of the adjacent semiconductor light emitting elements.

Abstract: A method is provided for producing a piston for an internal-combustion engine of the structure in which a piston body which is composed of a crown having a groove for fitting a piston ring into an outer circumference surface and a skirt in connection with the bottom of the crown is provided with an annular cavity for flowing cooling liquid on an inside of the groove, the method comprising the steps of: forming the crown and the skirt individually; forming an annular groove for the annular cavity in the inner bottom of the crown and an annular rib in connection with the open edge of the annular groove before the crown and the skirt are joined together; bending the rib toward the opening of the annular groove by application of pressure to close the opening of the annular groove to thereby form the annular cavity; and joining the crown and the skirt together.

Abstract: In a light emitting module, each of a first light wavelength conversion member, a second light wavelength conversion member, and a third light wavelength conversion member converts the wavelength of the light emitted by a semiconductor light emitting element to emit the light within a wavelength range different from the others. Each of the first light wavelength conversion member, the second light wavelength conversion member, and the third light wavelength conversion member is formed into a plate shape and is laminated such that the light emitted by the semiconductor light emitting element passes through each of them in descending order of the average wavelength of the light whose wavelength has been converted.

Abstract: In a light emitting module 40, light wavelength conversion ceramic 58 converts the wavelength of the light emitted by a semiconductor light emitting element 52. The light wavelength conversion ceramic 58 is made so transparent that the light wavelength conversion ceramic 58 has 40 percent or more of the total light transmittance of the light with a wavelength within the conversion wavelength range. A reflective film 60 is provided on the surface of the light wavelength conversion ceramic 58 and narrows down the emission area of the light that has transmitted the light wavelength conversion ceramic 58 to an area smaller than the light emitting area of the semiconductor light emitting element 52. In the case, the reflective film 60 guides the light such that the light is emitted in the direction approximately parallel to the light emitting surface of the light emitting element 52.

Abstract: In a light emitting module 40, a light wavelength conversation ceramic 52 converts the wavelength of the light emitted by a semiconductor light emitting element 48 then emits the light. An optical filter 50 transmits the blue light Lb mainly emitted by the semiconductor light emitting element 48 and reflects the yellow light Ly whose wavelength has been mainly converted by the light wavelength conversion ceramic 52. The optical filter 50 is provided on the surface of the light wavelength conversion ceramic 52. The light emitting module 40 is manufactured by: the process where the optical filter 50 is provided on at least one surface of the light wavelength conversion ceramic 52; and the process where the semiconductor light emitting element 48 and the light wavelength conversion ceramic 52 are arranged such that the light emitted by the semiconductor light emitting element 48 is incident into the light wavelength conversion ceramic 52.

Abstract: A light emitting module includes: a plurality of semiconductor light emitting elements; a substrate by which the arranged plurality of semiconductor light emitting elements are supported; and a plate-shaped light wavelength conversion component that is provided so as to face the light emitting surfaces of the plurality of semiconductor light emitting elements and that converts the wavelength of the light emitted by the semiconductor light emitting element. A phosphor layer has a shielding portion formed in the boundary between respective areas facing the respective light emitting surfaces of the adjacent semiconductor light emitting elements.

Abstract: A master unit and a plurality of slave units are connected by way of a communication path. The master unit sends to the slave units timing signals generated by its own cycle signal generator by way of a communication path. The slave units determine the cycle difference and the phase difference between a timing signal generated by its own cycle signal generator and the timing signal sent from the master unit and, in accordance therewith, determine a cycle adjustment amount. The cycle signal generators of the slave units adjust the timing signal cycle based on the cycle adjustment amount.

Abstract: A method is provided for producing a piston for an internal-combustion engine of the structure in which a piston body which is composed of a crown having a groove for fitting a piston ring into an outer circumference surface and a skirt in connection with the bottom of the crown is provided with an annular cavity for flowing cooling liquid on an inside of the groove, the method comprising the steps of: forming the crown and the skirt individually; forming an annular groove for the annular cavity in the inner bottom of the crown and an annular rib in connection with the open edge of the annular groove before the crown and the skirt are joined together; bending the rib toward the opening of the annular groove by application of pressure to close the opening of the annular groove to thereby form the annular cavity; and joining the crown and the skirt together.

Abstract: A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is loaded into a period modification counter. A timer corrects a reference value, outputs position/speed control period signals (SYN signals) and counts down the period modification counter with these SYN signals until the period modification counter reaches zero. Furthermore, the ITP signal unique to the slave unit is outputted every time a predetermined number of the SYN signals are outputted.

Abstract: A master unit and a plurality of slave units are connected by way of a communication path. The master unit sends to the slave units timing signals generated by its own cycle signal generator by way of a communication path. The slave units determine the cycle difference and the phase difference between a timing signal generated by its own cycle signal generator and the timing signal sent from the master unit and, in accordance therewith, determine a cycle adjustment amount. The cycle signal generators of the slave units adjust the timing signal cycle based on the cycle adjustment amount.

Abstract: A discharge bulb is equipped with an arc tube in which discharge electrodes are provided face to face and a luminescent material is filled together with a starting rare gas inside a ceramic tube. A metallic pipe is jointed into the pore of a tube end communicating with a discharge light emitting chamber. The rear end of an electrode rod inserted into the pipe is jointed to the pipe and its tip protrudes into the discharge light emitting chamber. A recess is circumferentially arranged on the inner peripheral surface of the pore between the tip of the pipe and the discharge light emitting chamber. The coldest point is in the recess so that a metal halide is not gathered in the micro-space and the metal halide contributing to discharge light emission does not decrease thus obtaining a desired luminous flux.

Abstract: A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is loaded into a period modification counter. A timer corrects a reference value, outputs position/speed control period signals (SYN signals) and counts down the period modification counter with these SYN signals until the period modification counter reaches zero. Furthermore, the ITP signal unique to the slave unit is outputted every time a predetermined number of the SYN signals are outputted.

Abstract: The invention provides a static random access memory wherein the peak value of current flow therethrough upon flash-clearing is minimized. The static random access memory comprises a memory cell array which is divided into a plurality of memory cell groups which are driven at mutually different timings for flash-clearing by means of a plurality of delay circuits connected in cascade to which the flash-clearing signal is applied.