Abstract: An electronic timepiece includes a communication unit receiving identification information for identifying a radio station from the radio station, a storage unit storing a database having, as a record, the identification information and time difference information indicating a time difference associated with the identification information, a timekeeping unit in which a set time difference being a time difference with respect to a reference time is set, a first time difference correction unit correcting the set time difference to the time difference information associated with the identification information received by the communication unit, an operation unit accepting user operation, a second time difference correction unit correcting the set time difference according to the operation, and an update processing unit updating the database by changing the time difference information to the set time difference corrected by the second time difference correction unit.

Abstract: A first positioning portion, a calculator, and a second positioning portion are provided in an electronic device targeted for positioning. The first positioning portion obtains, by Doppler positioning, a candidate position which is a candidate for an initial position of the electronic device in code phase positioning from radio waves received from each of GPS satellites. The calculator calculates an index value indicating the magnitude of variation in code phase from a difference between a code phase obtained from the radio waves received from each of the GPS satellites and a code phase obtained based on a candidate position and a position of each GPS satellite. The second positioning portion performs the code phase positioning using ZCount or a candidate position according to the index value.

Abstract: The present invention provides a method for producing a carbon fiber bundle, the method including steps (b) to (e) described below: (b) an oil agent application step of applying a silicone oil agent to a precursor fiber bundle to produce an oil-agent-attached precursor fiber bundle; (d) a stabilization step of subjecting the oil-agent-attached precursor fiber bundle to an oxidization treatment to produce an oxidized fiber bundle; and (e) a carbonization step of carbonizing the oxidized fiber bundle, wherein the silicone oil agent has a skin over time at 250° C. of less than 40 minutes.

Abstract: A satellite signal receiving device includes a first RF receiving circuit receiving a first satellite signal from a first GNSS, a second RF receiving circuit receiving a second satellite signal from a second GNSS, a baseband processing circuit processing the first satellite signal and the second satellite signal, and one or more processors configured to control operations of the first RF receiving circuit, the second RF receiving circuit, and the baseband processing circuit, in which the one or more processors are configured to execute performing reception processing of the first satellite signal, acquiring a first reception state including a processing result of the reception processing of the first satellite signal, determining processing capacity of reception processing of the second satellite signal depending on the first reception state, and performing the reception processing of the second satellite signal with the processing capacity.

Abstract: A first positioning portion, a calculator, and a second positioning portion are provided in an electronic device targeted for positioning. The first positioning portion obtains, by Doppler positioning, a candidate position which is a candidate for an initial position of the electronic device in code phase positioning from radio waves received from each of GPS satellites. The calculator calculates an index value indicating the magnitude of variation in code phase from a difference between a code phase obtained from the radio waves received from each of the GPS satellites and a code phase obtained based on a candidate position and a position of each GPS satellite. The second positioning portion performs the code phase positioning using ZCount or a candidate position according to the index value.

Abstract: An electronic device equipped with a communication device which is a GPS communication module is provided with a calculator, a specifying portion, and a display controller. The calculator calculates a position by Doppler positioning. The specifying portion specifies a time zone based on the position calculated by the calculator. The display controller causes a display device to display the time according to the time zone specified by the specifying portion.

Abstract: An electronic device includes: a receiver that receives a satellite signal; and a time corrector that corrects an internal time. The receiver acquires time synchronization information and satellite time information by receiving the satellite signal, detects update timing of seconds on the basis of the time synchronization information, and executes output processing of outputting a synchronization signal, which indicates output timing, and reception side time information including time difference information, which indicates a time difference between the update timing of seconds and the output timing, and time information of hours, minutes, and seconds based on the satellite time information, before next update timing of seconds. The time corrector corrects the internal time on the basis of the synchronization signal and the reception side time information.

Abstract: An electronic timepiece includes a communication unit receiving identification information for identifying a radio station from the radio station, a storage unit storing a database having, as a record, the identification information and time difference information indicating a time difference associated with the identification information, a timekeeping unit in which a set time difference being a time difference with respect to a reference time is set, a first time difference correction unit correcting the set time difference to the time difference information associated with the identification information received by the communication unit, an operation unit accepting user operation, a second time difference correction unit correcting the set time difference according to the operation, and an update processing unit updating the database by changing the time difference information to the set time difference corrected by the second time difference correction unit.

Abstract: Provided is an electronic timepiece capable of receiving satellite signals from multiple types of positioning information satellites, and capable of shortening the time required to correct the internal time. The electronic timepiece has a receiver; an estimator that estimates internal time error; a mode setter configured to set a time correction mode according to the estimated error; a selector that selects the type of positioning information satellite according to the time correction mode that was set; a time adjustor.

Abstract: An electronic device includes: a receiver that receives a satellite signal; and a time corrector that corrects an internal time. The receiver acquires time synchronization information and satellite time information by receiving the satellite signal, detects update timing of seconds on the basis of the time synchronization information, and executes output processing of outputting a synchronization signal, which indicates output timing, and reception side time information including time difference information, which indicates a time difference between the update timing of seconds and the output timing, and time information of hours, minutes, and seconds based on the satellite time information, before next update timing of seconds. The time corrector corrects the internal time on the basis of the synchronization signal and the reception side time information.

Abstract: Provided is an electronic timepiece capable of receiving satellite signals from multiple types of positioning information satellites, and capable of shortening the time required to correct the internal time. The electronic timepiece has a receiver; an estimator that estimates internal time error; a mode setter configured to set a time correction mode according to the estimated error; a selector that selects the type of positioning information satellite according to the time correction mode that was set; a time adjustor.

Abstract: A location of a mobile unit is intermittently measured based on a GPS satellite signal. A halt start time zone (first halt determination region) is set based on the measured location of the mobile unit when the determination is started. An each time zone (second halt determination region) is updated and set by accumulated averaging processing (statistical processing) of results of location measurements in the past. Whether or not the halt state of the mobile unit is continued is determined using whether or not the newly measured location of the mobile unit is contained in any one of the set halt determination regions.

Abstract: A location of a mobile unit is intermittently measured based on a GPS satellite signal. A halt start time zone (first halt determination region) is set based on the measured location of the mobile unit when the determination is started. An each time zone (second halt determination region) is updated and set by accumulated averaging processing (statistical processing) of results of location measurements in the past. Whether or not the halt state of the mobile unit is continued is determined using whether or not the newly measured location of the mobile unit is contained in any one of the set halt determination regions.

Abstract: A biaxially oriented laminated polyester film which has dimensional stability against environmental changes such as temperature and humidity variations and rarely elongates when a load is applied thereto at a high temperature. The biaxially oriented laminated film comprises a film layer (A) made of an aromatic polyester (A) and a film layer (B) made of an aromatic polyester (B), wherein the content of a 6,6?-(alkylenedioxy)di-2-naphthoic acid component represented by the following formula (I) based on the total of all the acid components is less than 5 mol % in the aromatic polyester (A) and not less than 5 mol % and less than 80 mol % in the aromatic polyester (B); and the peak temperature of tan ? on a high temperature side is 135° C. or higher when viscoelasticity is measured in the machine direction. (in the formula (I), R is an alkylene group having 1 to 10 carbon atoms.

Abstract: A biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability. A biaxially oriented laminated polyester film comprising a film layer B on one side of a film layer A and having a surface roughness (RaB) on the film layer B side which is 1.0 nm or more larger than the surface roughness (RaA) on the film layer A side, wherein at least one of the film layers comprises an aromatic polyester (I) composed of a glycol component and a dicarboxylic acid component containing 5 mol % or more and less than 80 mol % of a recurring unit represented by the following formula (A): wherein RA is an alkylene group having 1 to 10 carbon atoms.

Abstract: A polyester resin having excellent dimensional stability against environmental changes and excellent dimensional stability in the processing step while having excellent moldability and a biaxially oriented polyester film comprising the same. The polyester resin comprises a recurring unit represented by the following formula (A) and a recurring unit represented by the following formula (B) as the main constituents: —O—C(O)—R1—C(O)—O—R2—O—??(A) —O—C(O)—R3—C(O)—O—R2—O—??(B) (R? is a phenylene group or naphthalenediyl group, R2 is an alkylene group having 2 to 4 carbon atoms or cyclohexylene group, and R3 is 6,6?-(alkylenedioxy)di-2-naphthoic acid), wherein the content of the recurring unit (B) is not less than 5 mol % and less than 50 mol %, and the ratio of adjacent recurring units (A) and (B) is less than 0.9 based on a value obtained by doubling the product of the content of the recurring unit (A) and the content of the recurring unit (B).

Abstract: An object of the present invention is to provide a polyester film having excellent dimensional stability to temperature and humidity. The present invention is a polyester containing a dicarboxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains not less than 5 mol % and less than 50 mol % of a recurring unit represented by the following formula (A) and more than 50 mol % and not more than 95 mol % of a recurring unit represented by the following formula (B): wherein RA is an alkylene group having 2 to 10 carbon atoms, wherein RB is a phenylene group or naphthalenediyl group; and (ii) the diol component contains 90 to 100 mol % of a recurring unit represented by the following formula (C): —O—RC—O—??(C) wherein RC is an alkylene group having 2 to 10 carbon atoms, and a film comprising the same.

Abstract: A polyester resin having excellent dimensional stability against environmental changes and excellent dimensional stability in the processing step while having excellent moldability and a biaxially oriented polyester film comprising the same. The polyester resin comprises a recurring unit represented by the following formula (A) and a recurring unit represented by the following formula (B) as the main constituents: —O—C(O)—R1—C(O)—O—R2—O—??(A) —O—C(O)—R3—C(O)—O—R2—O—??(B) (R1 is a phenylene group or naphthalenediyl group, R2 is an alkylene group having 2 to 4 carbon atoms or cyclohexylene group, and R3 is 6,6?-(alkylenedioxy)di-2-naphthoic acid), wherein the content of the recurring unit (B) is not less than 5 mol % and less than 50 mol %, and the ratio of adjacent recurring units (A) and (B) is less than 0.9 based on a value obtained by doubling the product of the content of the recurring unit (A) and the content of the recurring unit (B).

Abstract: A biaxially oriented laminated polyester film which has dimensional stability against environmental changes such as temperature and humidity variations and rarely elongates when a load is applied thereto at a high temperature. The biaxially oriented laminated film comprises a film layer (A) made of an aromatic polyester (A) and a film layer (B) made of an aromatic polyester (B), wherein the content of a 6,6?-(alkylenedioxy)di-2-naphthoic acid component represented by the following formula (I) based on the total of all the acid components is less than 5 mol % in the aromatic polyester (A) and not less than 5 mol % and less than 80 mol % in the aromatic polyester (B); and the peak temperature of tan ? on a high temperature side is 135° C. or higher when viscoelasticity is measured in the machine direction. (in the formula (I), R is an alkylene group having 1 to 10 carbon atoms.

Abstract: To provide an aromatic polyester which is formed into a film having excellent heat resistance, color, mechanical properties, dimensional stability and gas barrier properties and a manufacturing process thereof; the aromatic polyester comprises a dicabroxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains 50 to 100 mol % of a recurring unit represented by the following formula (A): ?wherein R is an alkylene group having 2 to 10 carbon atoms, (ii) the aromatic polyester has an intrinsic viscosity measured at 35° C. by using a mixed solvent of P-chlorophenol and 1,1,2,2-tetrachloroethane (weight ratio of 40/60) of 0.4 to 3.0; (iii) the aromatic polyester has a content of a recurring unit represented by the following formula (D) of less than 10 mol %: —O—CH2CH2—O—CH2CH2—O—??(D) (iv) the aromatic polyester has a terminal carboxyl group concentration of 200 eq/ton or less; and (v) the aromatic polyester has an alkali metal content of 300 ppm or less.