The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, ...

PROBLEM TO BE SOLVED: To provide an authentication method for stopping authentication based on the ID of a user when personal information is acquired by a third person, and unauthorized access is tried.

SOLUTION: The ID of each member and the password of the member are registered so as to be associated with each other in a member database 133 stored in a hard disk 13 of a server device 1, a...

PROBLEM TO BE SOLVED: To increase the effects of information distribution by distributing various pieces of information without forcing a user to perform any useless operation.

SOLUTION: This information providing server receives mail becoming a retrieval trigger from a portable telephone, and extracts a retrieval query from the mail, and executes retrieval following the retrieval query and...

PROBLEM TO BE SOLVED: To provide a control system and a controller for increasing an input/output device with simple configurations.

SOLUTION: This control system is provided with a first serial transmission line 300a for uni-directionally transmitting monitoring information for monitoring external equipment from a main controller 100 to input/output devices 200a, 200b and 200c in the order...

PROBLEM TO BE SOLVED: To provide a POS register which saves operator's labor due to the confirmation at a checkout counter, whether a customer needs a shopping bag at settlement.

SOLUTION: A card reader 4 reads an identification number of a shopper from magnetic data of a membership card, while a register is being operated. A CPU 1 reads out shopping bag necessary-or-unnecessary data of an ...

PROBLEM TO BE SOLVED: To prevent a distance between its own vehicle and the one traveling ahead from fluctuating unnecessarily even when travelling control of its own vehicle is performed on the basis of its own vehicle and the one traveling ahead.

SOLUTION: A controller for vehicles of distance between vehicles is provided with: a vehicle ahead extraction part 2 for detecting a group of ve...

PROBLEM TO BE SOLVED: To perform adaptive control of an image output terminal based on complicatedness of a document and printer throughput.

SOLUTION: This system 100 includes a digital front end 110 and the image output terminal 120. The image output terminal becomes any of a power saving mode. A rest mode and a print mode during operation. The digital front end includes an output queue 14...

PROBLEM TO BE SOLVED: To accurately count time required for restoring a memory to be tested from a busy state to a ready state.

SOLUTION: The testing apparatus for testing the memory to be tested is provided with a pattern generation part for successively writing a plurality of test patterns into the memory to be tested and a period measuring part for measuring a period from the start of wr...

PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit having function as a FIFO memory with less power consumption.

SOLUTION: The semiconductor integrated circuit 10 is equipped with: two FIFOs (shift registers); selectors 12 for supplying data to be temporarily stored in the FIFO to respective one of two FIFOs; circuits (input control circuit 15 and two AND gates 14) for supp...

PROBLEM TO BE SOLVED: To provide an X-ray image photography system capable of improving the durability and size reduction, while improving the output of X-rays output from the X-ray source through prevention of deterioration in electron emission efficiency.

SOLUTION: For the X-ray image photography system 100 provided with an X-ray source 4, arranged inside a vacuum envelope 41 and equipped...

PROBLEM TO BE SOLVED: To provide a method of testing oxidation resistance life of fiber glass separator for lead storage battery which has high reliability of measurement data and has high measuring efficiency, by preventing the inappropriate occurrence of measurement data associated with early occurrence of short circuit in a swelling part of a separator specimen.

SOLUTION: A square separa...

PROBLEM TO BE SOLVED: To preheat a fuel cell body by using cooling water with raised temperature by exchanging heat between high-temperature reformed gas generated by a reformer and cooling water for cooling the fuel cell body in starting up a fuel cell system.

SOLUTION: The fuel cell system 1 is structured of a cooling water flow channel 43 provided at the fuel cell body 4 where cooling wa...

PROBLEM TO BE SOLVED: To obtain a lead storage battery contributing to improvement of workability at such works as inspection, replacement, cleaning, and transportation.

SOLUTION: An exhaust hole 6 in correspondence with each cell is provided at a battery box lid 3, on a top face of which an opening is formed at a periphery edge covering a whole of the exhaust hole 6. A sheet 10 is pasted a...

PROBLEM TO BE SOLVED: To accurately detect an internal short circuit of a cell in a monoblock battery constituted with a plurality of cells.

SOLUTION: The inspection method of a lead-acid battery formed by connecting n (n≥3) cells in series is that in a cell line formed by series connecting, potential difference between an electrode Ek coming in contact with an electrolyte of a cell Ck posi...

PROBLEM TO BE SOLVED: To suppress a short circuit between electrodes caused by active material swelling generated especially in a control valve type lead acid storage battery used in cycles, and suppress reduction of a cycle lifetime by this.

SOLUTION: This is the control valve type lead acid storage battery provided with an expand grid body, both side parts of a mat separator which are not...

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of obtaining good charge and discharge cycle characteristics and high energy density.

SOLUTION: In a fully charged condition, a positive electrode active material contains lithium manganate (Li2Mn2O4) in which a crystal system(crystal structure) is a tetragonal system as a basic sk...

PROBLEM TO BE SOLVED: To provide a non-aqueous electrolyte secondary battery, in which the contact reliability of a negative pole terminal with a lead is improved under the condition of a long term high temperature and high humid environment, rapid charging, excess charging, and high power discharging.

SOLUTION: The non-aqueous electrolyte secondary battery having a 1 kHz ac impedance of in...

PROBLEM TO BE SOLVED: To provide a lighting system capable of adjusting biorhythm after the work and capable of improving a long term productivity as well as improving a short term productivity.

SOLUTION: The controller 1 controls lighting of a lighting apparatus 2 along a time schedule established beforehand so that the illuminance of an illumination subject area A during at least real wor...

PROBLEM TO BE SOLVED: To provide a non-aqueous secondary battery capable of maintaining high capacity and proper lifetime characteristics, while suppressing the occurrence of internal short circuiting of the non-aqueous secondary battery, since as a factor for internal short circuit, four short-circuiting modes are considered which consist of an exposed portion of a positive electrode current c...

PROBLEM TO BE SOLVED: To provide a negative electrode material for a lithium secondary battery having a high charge acceptance property and a small swelling of electrode, and a negative electrode sheet.

SOLUTION: This is the negative electrode material of powder-like having a structure in which a carbonaceous material having inferior crystallinity to a graphite system carbonaceous material ...