PROBLEM TO BE SOLVED: To prevent internal short-circuiting, lengthen the service life, and improve battery characteristics by bending and forming both side parts of a separator in a bag shape, and containing a plate group where a positive electrode and a negative electrode are opposed to each other in a lead-acid battery constituted so as to wrap a plate in it by forming the separator in a bag sha...

PROBLEM TO BE SOLVED: To improve corrosion resistance, and stabilize it with high quality by pressing a lattice after casting within a time a obtained from the ratio of the tin content to the calcium content and a temperature of a cast lattice- placed atmosphere. SOLUTION: In a lead-acid battery where a paste plate is used in at least either one among a positive electrode and a negative electrode,...

Preparation of bi-valves, and especially oysters, for opening consists of fitting an elastically-deformable element (1) round the adductor muscle of the oyster during its cultivation, and severing the muscle when the element is removed, making the oyster easy to open. The element is made from a food-grade magnetic material, e.g. in the shape of an open-ended figure-eight spring. It is fitted to th...

PROBLEM TO BE SOLVED: To stabilize a flame during a work and heat a reinforcement without unevenness by mounting upper and lower stage nozzle tips on a plurality of cobduits constructed in a solid manner across a flame hole, and adjusting an injection angle such that the flame is concentrated substratially at the center with a width in the state where the flames injected from the nozzles do not co...

PROBLEM TO BE SOLVED: To manufacture a polarizing element having plural polarizing members varying in the transmission axis directions of polarized light and a phase difference element having plural phase difference members varying in their phase delay axes or phase advance axes directions. SOLUTION: The polarizing films 2a, 4a arranged on a base material 1 by directing the transmission axes of th...

PROBLEM TO BE SOLVED: To provide an alignment-free light separating device and its method which have no mechanical driving part and is hardly affected by temperature variation and temporal variation. SOLUTION: (p)-Polarized light of 1.3&mu m in wavelength before being made incident on a Faraday rotator FR is denoted as E3p and (p)-polarized light of 1.5&mu m in wavelength is denoted as E5p. The di...

PROBLEM TO BE SOLVED: To provide the polarization lighting device which eliminates the needs for the setting of a polarization separation plane requiring high precision and setting operation for the refractive index of a light refracting means and generates no problem regarding the cost and processes. SOLUTION: The parallel luminous flux from a parallel luminous flux irradiating means 1 is compres...

PROBLEM TO BE SOLVED: To provide a liquid crystal display device with which the distinct visual recognition of display of characters, etc., is possible even under environments, such as indoors and outdoors, where the state of light changes. SOLUTION: This liquid crystal display device has a liquid crystal panel P obtd. by holding a liquid crystal layer consisting of high polymer dispersed liquid c...

PROBLEM TO BE SOLVED: To provide a liquid crystal display device whose manufacturing cost is reduced and whose visual field angle dependence is improved. SOLUTION: Outgoing light of a microlens sheet M with respect to irradiating light of a back light 10 is made to be converged so as to become angles of not larger than 30 deg. from a vertical axis with respect to a liquid crystal panel 2 in which ...

PROBLEM TO BE SOLVED: To reduce unrequited light at the time of black display and to permit black display performance to be excellent with a high contract even at the time of high luminance projection display by originating linear polarized light which is separated by means of a polarized light beam splitter on a reflection-type liquid crystal pannel with a phase difference plate being equal to op...

PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of unnecessitating phase advance axis adjustment of a liquid crystal panel in a reflection type liquid crystal display device using a ferroelectric liquid crystal. SOLUTION: A polarization direction of an S polarization ls1 by a polarizing beam splitter 11 reflecting only the S polarization ls1 of telecentric light 11 led by ...

PROBLEM TO BE SOLVED: To provide a phase difference element provided with plural phase difference areas being different in a lagging axial direction or a leading axial direction by permitting plural plate-shaped phase difference materials consisting of an organic high molecule having an optical anisotropy to be mutually arranged adjacently on a base material and permitting the lagging axis or the ...

PROBLEM TO BE SOLVED: To obtain a sufficient contrast in spite of input function addition by specifying an angle made by the polarized axis of one polarizing plate being adjacent to an input device and the observing direction of a liquid crystal display element within a specified degree. SOLUTION: An upper side polarizing plate 11 is adhered at the upper side of the upper side electrode substrate ...

PROBLEM TO BE SOLVED: To obtain a reflection type liquid crystal display element which is black and white capable of making bright white and colorless high-contrast display with constitution using only one sheet of polarizing film and has a natural visual angle characteristic. SOLUTION: This liquid crystal display element consists of the constitution arranged, successively from above, with the pol...

PROBLEM TO BE SOLVED: To provide a double supertwisted nematic type liquid crystal display element which is capable of easily compensating the optical phase difference meeting the change in the refractive index anisotropy of liquid crystal molecules occurring in a temp. difference and is simple in manufacture. SOLUTION: This liquid crystal display element includes a display liquid crystal cell 30 ...

PROBLEM TO BE SOLVED: To provide a high-luminance and high-contrast reflection type liquid crystal element. SOLUTION: This reflection type liquid crystal element is provided with a polarizing plate 1 and a mirror 2, and several retarders 3-5 are arranged between them. At least one among the retarders is a variable liquid crystal element whose optical axis is switchable for switching the element be...

PROBLEM TO BE SOLVED: To reduce the service life deterioration of a light source lamp due to infrared ray. SOLUTION: A lens array 200 is arranged on an optical path of emission light outgoing from a light source part 100 so that the lens surface with a curved surface shape of the lens array 200 becomes an incident surface of light. A filter FIR interrupting at least the infrared ray is formed on t...

PROBLEM TO BE SOLVED: To prevent the monitor of microcomputer from being stopped even in the state of detecting an erroneous standby signal. SOLUTION: A watchdog circuit 34 outputs a start signal to a microcomputer 30. An output signal Q of a discrimination circuit 36 is reset by the start signal. When a clock signal CK is inputted from the activated microcomputer 30 and any standby signal st is n...

PROBLEM TO BE SOLVED: To prevent a microcomputer from being operated in the state of disabling suitable monitoring. SOLUTION: A microcomputer 30 is actuated by a reset signal RS outputted from a watchdog circuit 34 and an output signal Q of a discrimination circuit is reset. Afterwards, when a clock signal ck is inputted from the activated microcomputer 30, this discrimination circuit outputs a cl...

PROBLEM TO BE SOLVED: To stably perform vehicle group traveling and to smoothly and stably perform speed control especially by providing a means for transmitting kinetic information such as the position and speed of the target vehicle to a following vehicle and allowing every following vehicle to perform the vehicle group traveling control of one own vehicle based on the kinetic information. SOLUT...