Author: claimsbot

1. A device (1a) for even temperature distribution in a sauna room (90) characterised by
the device (1a) including an air duct (2\u2032) which is designed to conduct air from a location close to the floor to a location close to the upper part of a sauna heater (3);
a fan (2) being positioned in the air duct (2\u2032), alternatively in connection with the air duct (2\u2032);
the air duct (2\u2032) lacking heating elements.
2. A device (1a), based on patent claim 1, which includes positioning fixtures for the installation of the device (1a) as an accessory to the sauna heater (3).
3. A device (1a), based on patent claim 2, where the positioning fixtures are hook-shaped (6), and designed for hanging the device (1a) from the sauna heater (3).
4. A device (1a), based on patent claim 2, where the positioning fixtures are foot-like (5).
5. A sauna heater (4), which includes a first air duct, through which an airflow (3\u2032) is designed to be generated during operations, by means of heating elements in the first air duct characterised by
the sauna heater (4) incorporating a second air duct (2\u2032);
a fan (2) being positioned in the second air duct (2\u2032), alternatively in connection with the second air duct (2\u2032);
the second air duct (2\u2032) lacking heating elements.
6. A sauna heater (4) according to claim 5 characterised by
the fan motor being electrically connected to a terminal block, or a similar unit, in the sauna heater, which is also connected to the heating elements.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An apparatus for identification of an event occurring within a liquid environment, the apparatus comprising:
a sealed support structure;
a control unit secured within the structure for producing an identifiable electrical pattern upon contact of the apparatus with the liquid environment; and
a plurality of transmission electrodes each capable of emanating the pattern, wherein the plurality of transmission electrodes are distributed about the structure to conductively communicate with the liquid environment when the apparatus is in contact with the liquid environment, and wherein each transmission electrode is electrically coupled to the control unit, and
wherein the control unit comprises:
a pattern control module;
a multi-directional transmitter comprising the plurality of transmission electrodes and including a plurality of outputs, wherein each output is coupled to one of the plurality of transmission electrodes, and wherein the multi-directional transmitter is configured to operate as at least one of a monopole transmitter or a dipole transmitter; and

wherein the control unit controls electrical current conducted through the liquid environment from the plurality of transmission electrodes to emanate the pattern using at least two directions, and wherein emanation of the pattern corresponds to contact between the apparatus and the liquid;
wherein the plurality of transmission electrodes comprise a first, second and third emanating elements and the control unit is configured to produce the pattern using the following sequence of emanating elements:
the first and second emanating elements;
the second and third emanating elements; and
the third and first emanating elements.
2. The apparatus of claim 1, wherein the multi-directional transmitter is configured to operate as a dipole transmitter.
3. The apparatus of claim 1, wherein the multi-directional transmitter is configured to operate as a monopole transmitter.
4. The apparatus of claim 1, wherein the pattern control module controls the transmitter to output a first portion of the pattern on a first electrode of the plurality of transmission electrodes and a second portion of the pattern on a second electrode of transmission the plurality of electrodes, each transmission occurring simultaneously.
5. The apparatus of claim 1, wherein the pattern control module controls the transmitter to output a first portion of the pattern on a first electrode of the plurality of transmission electrodes and a second portion of the pattern on a second electrode of the plurality of transmission electrodes, each transmission occurring sequentially.
6. The apparatus of claim 2, wherein the plurality of transmission electrodes represent a high voltage potential and the apparatus comprises a common electrode that represent a low voltage potential wherein current flows through the liquid environment from the high voltage electrodes to the low voltage electrode and wherein the apparatus includes a conductance control component for altering the conductance to control the current flow to produce a unique current signature.
7. The apparatus of claim 1, wherein each of the plurality of transmission electrodes is coupled to an antenna.
8. The apparatus of claim 7, wherein each of the antennas is linear.
9. The apparatus of claim 7, wherein each of the antennas is non-linear.
10. The apparatus of claim 1, wherein the control unit is configured to sequentially transmit portions of the pattern and wherein the portions are bits.
11. The apparatus of claim 1, wherein the unit is rendered operational upon the apparatus coming into contact with a target site fluid present at a target site.
12. A system for marking the occurrence of an event, the system comprising:
an electrical pattern production unit, wherein the electrical pattern production unit comprises:
a logical control unit for producing an identifiable electrical pattern;
a multi-directional transmitter comprising a plurality of output conductors and electrically coupled to the logical control unit, and wherein each of the plurality of output conductors is capable of emanating the pattern; and
a sealed structure, wherein the plurality of output conductors are distributed about the structure and the logical control unit is contained in the structure;
and wherein the logical control unit controls electrical current conducted through the liquid environment from the plurality of transmission electrodes of the multi-directional transmitter to emanate the pattern in at least two directions using at least two of the plurality of output conductors, and wherein the multi-directional transmitter is configured to operate as a monopole transmitter when emanating the pattern in the at least two directions using the at least two of the plurality of output conductors; and
wherein the plurality of transmission electrodes comprise a first, second and third emanating elements and the unit is configured to produce the pattern using the following sequence of emanating elements:
the first and second emanating elements;
the second and third emanating elements; and
the third and first emanating elements; and

a receiver for detecting the pattern produced by the logical control unit to record the occurrence of the event.
13. The system of claim 12, wherein said receiver is an in vivo receiver.
14. The system of claim 12, wherein said receiver is an ex vivo receiver.

1. A pulse pattern generator characterized by comprising:
a pulse generating unit which generates a pulse signal formed in a step-like wave, in which at least one of rise and fall of a signal having a predetermined change amplitude value is changed in a step-like manner in a predetermined bit string;
a lowpass filter which smoothes the pulse signal formed in the step-like wave, the pulse signal being generated by the pulse generating unit, and outputs a smoothed pulse signal; and
an amplitude-value setting unit which adjusts an amplitude value of a step-like wave that forms the pulse signal based on a setting value, in order to set an eye waveform at a predetermined eye closure when an output from the lowpass filter is eye-patterninged, wherein
the pulse signal having a desired pulse pattern with the predetermined eye closure set by the amplitude-value setting unit is configured to be output from the lowpass filter.
2. A pulse pattern generator according to claim 1, characterized in that the pulse generating unit (12) includes:
a basic pulse generating unit which generates a basic pulse signal having a predetermined amplitude value in a predetermined bit string;
a deformation pulse generating unit which generates a deformation pulse, the deformation pulse having an amplitude value different from the predetermined amplitude value of the basic pulse signal and having a phase different from the phase of the basic pulse signal, in a bit string identical to the bit string of the basic pulse signal generated by the basic pulse generating unit; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the basic pulse signal generated by the basic pulse generating unit and the deformation pulse signal generated by the deformation pulse generating unit.
3. A pulse pattern generator according to claim 1, characterized in that the pulse generating unit includes:
a basic pulse generating unit which generates a basic pulse signal having a predetermined amplitude value in a predetermined bit string;
a plurality of deformation pulse generating units which generate a plurality of deformation pulse signals having phases equal to or delayed from the phase of the basic pulse signal, in a bit string identical to the bit string of the basic pulse signal generated by the basic pulse generating unit; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the plurality of deformation pulse signals generated by the plurality of deformation pulse generating units.
4. A pulse pattern generator according to claim 3, characterized in that the plurality of deformation pulse generating units include:
a first deformation pulse generating unit which generates a first deformation pulse signal having a phase equal to or delayed from the phase of the basic pulse signal;
a second deformation pulse generating unit which generates a second deformation pulse signal having a phase delayed by a predetermined amount from the phase of the first deformation pulse signal; and
a third deformation pulse generating unit which generates a third deformation pulse signal having a phase delayed by a predetermined amount from the phase of the second deformation pulse signal.
5. A pulse pattern generator according to claim 3, characterized in that the plurality of deformation pulse generating units include:
a first deformation pulse generating unit which generates a first deformation pulse signal having a phase equal to or delayed from the phase of the basic pulse signal;
a second deformation pulse generating unit which generates a second deformation pulse signal having a phase delayed by a predetermined amount from the phase of the first deformation pulse signal; and
a third deformation pulse generating unit which generates a third deformation pulse signal having a phase delayed by a predetermined amount from the phase of the second deformation pulse signal;
a fourth deformation pulse generating unit which generates a fourth deformation pulse signal having a phase delayed by a predetermined amount from the phase of the third deformation pulse signal; and
a fifth deformation pulse generating unit which generates a fifth deformation pulse signal having a phase delayed by a predetermined amount from the phase of the fourth deformation pulse signal.
6. A pulse pattern generator according to claim 1, characterized in that the pulse generating unit includes:
a basic pulse generating circuit which generates a binary pulse signal, the binary pulse signal generating circuit serving as the basic pulse generating circuit;
a one-bit delay circuit which delays the binary pulse signal output from the binary pulse signal generating circuit by one bit, and a two-bit delay circuit which delays the binary pulse signal output from the binary pulse signal generating circuit by two bits, the one-bit delay circuit and two-bit delay circuit each serving as the deformation pulse generating circuit; and
a signal multiplexing unit which outputs an eight-level pulse signal by multiplexing output signals of the binary pulse signal generating circuit, the one-bit delay circuit, and the two-bit delay circuit.
7. A pulse pattern generator according to claim 1, characterized in that the pulse generating unit comprises:
flip-flops cascade-connected in a plurality of stages serving as the basic pulse generating circuit and the deformation pulse generating circuit, a first stage being set as a master while the stages subsequent to the first stage being set as a slave, data having a predetermined data frequency being supplied to a data terminal of the first stage, a clock having a frequency double the data frequency being commonly supplied to a clock terminal of each stage, thereby, when the output from an intermediate stage is set at a reference pulse signal (reference wave), the stage precedent to the intermediate stage outputs the predetermined number of first deformation pulse signals (negative phase deformation waves) having the phases leading the phase of the reference wave by a predetermined phase amount while the stage subsequent to the intermediate stage outputs the predetermined number of second deformation pulse signals (positive phase deformation waves) having the phases delayed from the phase of the reference wave by a predetermined phase amount;
amplifiers having a plurality of stages which receive outputs from each stage of the flip-flops cascade-connected in the plurality of stages, respectively; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the outputs of the amplifiers having the plurality of stages, and
the amplitude-value setting unit includes a gain setting unit which sets gains at gain setting units of the amplifiers having the plurality of stages such that a predetermined amplitude-value relationship is established among the reference pulse signal (reference wave), the first deformation pulse signal (negative phase deformation wave), and the second deformation pulse signal (positive phase deformation wave), in order that finally the output from the lowpass filter has the desired eye closure.
8. A communication device evaluation system utilizing a pulse pattern generator characterized by comprising:
a pulse pattern generator comprising:
a pulse generating unit which generates a pulse signal formed in a step-like wave, in which at least one of rise and fall of a signal having a predetermined change amplitude value is changed in a step-like manner in a predetermined bit string;
a lowpass filter which smoothes the pulse signal formed in the step-like wave, the pulse signal being generated by the pulse generating unit, and outputs a smoothed pulse signal; and
an amplitude-value setting unit which adjusts an amplitude value of the step-like wave that forms the pulse signal based on a setting value, in order to set an eye waveform at a predetermined eye closure when an output from the lowpass filter is eye-patterninged,
wherein the pulse signal having a desired pulse pattern with the predetermined eye closure set by the amplitude-value setting unit is configured to be output from the lowpass filter, and
a characteristic evaluation device which evaluates predetermined characteristics of a device under test based on the pulse signal having the desired pulse pattern with the predetermined eye closure output from the lowpass filter of the pulse pattern generator.
9. A communication device evaluation system utilizing a pulse pattern generator, according to claim 8, characterized in that the pulse generating unit of the pulse pattern generator includes:
a basic pulse generating unit which generates a basic pulse signal having a predetermined amplitude value in a predetermined bit string;
a deformation pulse generating unit which generates a deformation pulse having an amplitude value different from the predetermined amplitude value of the basic pulse signal and having a phase different from the phase of the basic pulse signal, in a bit string identical to the bit string of the basic pulse signal generated by the basic pulse generating unit; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the basic pulse signal generated by the basic pulse generating unit and the deformation pulse signal generated by the deformation pulse generating unit.
10. A communication device evaluation system utilizing a pulse pattern generator, according to claim 8, characterized in that the pulse generating unit includes:
a basic pulse generating unit which generates a basic pulse signal having a predetermined amplitude value in a predetermined bit string;
a plurality of deformation pulse generating units which generate a plurality of deformation pulse signals having phases equal to or delayed from the phase of the basic pulse signal, in a bit string identical to the bit string of the basic pulse signal generated by the basic pulse generating unit; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the plurality of deformation pulse signals generated by the plurality of deformation pulse generating units.
11. A communication device evaluation system utilizing a pulse pattern generator, according to claim 10, characterized in that the plurality of deformation pulse generating units include:
a first deformation pulse generating unit which generates a first deformation pulse signal having a phase equal to or delayed from the phase of the basic pulse signal;
a second deformation pulse generating unit which generates a second deformation pulse signal having a phase delayed by a predetermined amount from the phase of the first deformation pulse signal; and
a third deformation pulse generating unit which generates a third deformation pulse signal having a phase delayed by a predetermined amount from the phase of the second deformation pulse signal.
12. A communication device evaluation system utilizing a pulse pattern generator, according to claim 10, characterized in that the plurality of deformation pulse generating units includes:
a first deformation pulse generating unit which generates a first deformation pulse signal having a phase equal to or delayed from the phase of the basic pulse signal;
a second deformation pulse generating unit which generates a second deformation pulse signal having a phase delayed by a predetermined amount from the phase of the first deformation pulse signal; and
a third deformation pulse generating unit which generates a third deformation pulse signal having a phase delayed by a predetermined amount from the phase of the second deformation pulse signal;
a fourth deformation pulse generating unit which generates a fourth deformation pulse signal having a phase delayed by a predetermined amount from the phase of the third deformation pulse signal; and
a fifth deformation pulse generating unit which generates a fifth deformation pulse signal having a phase delayed by a predetermined amount from the phase of the fourth deformation pulse signal.
13. A communication device evaluation system utilizing a pulse pattern generator, according to claim 8, characterized in that the pulse generating unit of the pulse pattern generator includes:
a binary pulse signal generating circuit which generates a binary pulse signal, the binary pulse signal generating circuit serving as the basic pulse generating circuit;
a one-bit delay circuit which delays the binary pulse signal output from the binary pulse signal generating circuit by one bit, and a two-bit delay circuit which delays the binary pulse signal output from the binary pulse signal generating circuit by two bits, the one-bit delay circuit and two-bit delay circuit each serving as the deformation pulse generating circuit; and
a signal multiplexing unit which outputs an eight-level pulse signal by multiplexing output signals of the binary pulse signal generating circuit, the one-bit delay circuit, and the two-bit delay circuit.
14. A communication device evaluation system utilizing a pulse pattern generator, according to claim 8, characterized in that the pulse generating unit of the pulse pattern generator includes:
flip-flops cascade-connected in a plurality of stages serving as the basic pulse generating circuit and the deformation pulse generating circuit, a first stage being set as a master while the stages subsequent to the first stage being set as a slave, data having a predetermined data frequency being supplied to a data terminal of the first stage, a clock having a frequency double the data frequency being commonly supplied to a clock terminal of each stage, thereby, when the output from an intermediate stage is set at a reference pulse signal (reference wave), the stage precedent to the intermediate stage outputs the predetermined number of first deformation pulse signals (negative phase deformation waves) having the phases leading the phase of the reference wave by a predetermined phase amount while the stage subsequent to the intermediate stage outputs the predetermined number of second deformation pulse signals (positive phase deformation waves) having the phases delayed from the phase of the reference wave by a predetermined phase amount;
amplifiers having a plurality of stages which receive outputs from each stage of the flip-flops cascade-connected in the plurality of stages, respectively; and
a signal multiplexing unit which outputs the pulse signal formed in the step-like wave by multiplexing the outputs from each stage of the amplifiers having the plurality of stages,
wherein the amplitude-value setting unit includes a gain setting unit which sets gains at gain setting units of the amplifiers having the plurality of stages such that a predetermined amplitude-value relationship is established among the reference pulse signal (reference wave), the first deformation pulse signal (negative phase deformation wave), and the second deformation pulse signal (positive phase deformation wave), in order that finally the output from the lowpass filter has a desired eye closure.
15. A communication device evaluation system utilizing a pulse pattern generator, according to claim 8, characterized in that the device under test is a communication device which performs communication with at least one of an electric signal and an optical signal.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method of using drilling fluid for drilling in a subterranean formation comprising the steps of:
providing a drilling fluid comprising substantially hydrated cement particulates; and
placing the drilling fluid into the subterranean formation during the drilling.
2. The method of claim 1 wherein the substantially hydrated cement particulates comprise an admixture.
3. The method of claim 1 wherein the substantially hydrated cement particulates are formed by providing a settable composition comprising a hydraulic cementitious material, and water; allowing the settable composition to set into a substantially hydrated mass; and comminuting the substantially hydrated mass into smaller particles so as to form the substantially hydrated cement particulates.
4. The method of claim 3 wherein the hydraulic cementitious material is selected from the group consisting of a Portland cement, a pozzolanic cement, a gypsum cement, a soil cement, a calcium phosphate cement, a high-alumina content cement, a silica cement, a high-alkalinity cement, a slag cement, and mixtures thereof.
5. The method of claim 3 wherein the settable composition further comprises an admixture so that the substantially hydrated cement particulate comprises an admixture.
6. The method of claim 5 wherein the admixture is present in the settable composition in an admixture-to-hydraulic cementitious material weight ratio in the range of from about 5:95 to about 95:5.
7. The method of claim 5 further comprising the step of coating the substantially hydrated cement particulates with another admixture.
8. The method of claim 3 further comprising the step of coating the substantially hydrated cement particulates with an admixture.
9. The method of claim 1 wherein the substantially hydrated cement particulates have an average particle diameter in the range of from about 5 micrometers to about 250 micrometers.
10. The method of claim 1 wherein the hydrated cement particulates are a lost circulation material or a density-varying additive.
11. The method of claim 1 wherein the substantially hydrated cement particulates comprise a hydraulic cementitious material selected from the group consisting of a Portland cement, a pozzolanic cement, a gypsum cement, a soil cement, a calcium phosphate cement, a high-alumina content cement, a silica cement, a high-alkalinity cement, a slag cement, and mixtures thereof.