Abstract: An atomic oscillator includes: an atomic cell containing metal atoms; a light source generating light to be emitted to the atomic cell; a driver outputting a driving signal for driving the light source; a light detector detecting the light having passed through the atomic cell; a phase detector detecting an output of the light detector; a voltage controlled oscillator having an oscillation frequency adjusted based on the output detected by the phase detector; a phase modulator phase modulating an output signal of the voltage controlled oscillator and outputting the phase modulated signal; a frequency multiplier which outputs a microwave to the driver, the microwave being obtained by multiplying a frequency of the phase modulated signal; and a frequency divider which frequency divides the output signal of the voltage controlled oscillator and outputs the frequency divided output signal to the phase detector and the phase modulator.

Abstract: An atomic oscillator includes a light source unit including a light source and a first temperature control device controlling the light source to have a first temperature, an atom cell unit including an atom cell accommodating an alkali metal atom and that light emitted from the light source enters and a second temperature control device controlling the atom cell to have a second temperature different from the first temperature, and a container accommodating the light source unit and the atom cell unit and has a first surface and a second surface different from the first surface. The light source unit is mounted to the first surface, and an air gap is present between the light source unit and the second surface. The atom cell unit is mounted to the second surface, and an air gap is present between the atom cell unit and the first surface.

Abstract: An atomic oscillator includes at least a gas cell that has metal atoms sealed therein, a coil that is disposed in a vicinity of the gas cell, a first magnetic shield that accommodates the gas cell and the coil therein, a second magnetic shield that accommodates a heater heating the gas cell, a first temperature sensor detecting a temperature of the gas cell, and the first magnetic shield therein, and a temperature adjustment unit and a second temperature sensor that are disposed outside the second magnetic shield.

Abstract: An atomic oscillator includes a gas cell, a semiconductor laser, and a frequency modulation signal generation section (such as a frequency transform circuit) which generates a frequency modulation signal for causing the semiconductor laser to generate frequency-modulated light including a resonance light pair (first-order sideband light pair) that causes an electromagnetically induced transparency phenomenon in metal atoms. When a modulation index of the frequency modulation signal, by which a first-order differential value of oscillation frequency deviation of the atomic oscillator becomes 0, is regarded as a first modulation index, the modulation index is within a range between a second modulation index, which is smaller than the first modulation index, with which the oscillation frequency deviation is 0 and a third modulation index, which is greater than the first modulation index, with which the oscillation frequency deviation is 0.

Abstract: A control device includes: a prohibition unit that prohibits a user from using an electronic apparatus in a case where a sum of a cumulative usage amount of the electronic apparatus by the user for a predetermined period and a new usage amount which is newly instructed by the user exceeds a permitted amount for the user in the period; a subtraction unit that, in a case where the user instructs the electronic apparatus to be continuously used after the use of the electronic apparatus is prohibited by the prohibition unit, subtracts from permitted amounts for the user for a plurality of periods later than the period; and a permission unit that permits the user to use the electronic apparatus after the subtraction is performed by the subtraction unit.

Abstract: An image heating apparatus including a supporting member having (a) a hole in which a temperature detecting element is disposed so as to contact a second surface of a heat-conductive member, and (b) an opposing surface that (i) opposes the second surface of the heat-conductive member, and (ii) includes a contact region contacting the second surface of the heat-conductive member, the opposing surface of the supporting member being provided adjacent to the hole of the supporting member in a longitudinal direction of the heater. The contact region of the supporting member presses, toward the heater, a part of the heat-conductive member corresponding to the contact region of the supporting member, and the temperature detecting element presses, toward the heater, a part of the heat-conductive member corresponding to the hole of the supporting member.

Abstract: An image heating apparatus includes a frame including a first side plate and a second side plate, a cylindrical rotatable member, a heater, a holder having a length longer than a distance between the first and second side plates, a first preventing member, and a second preventing member. An image formed on a recording material is heated by heat of the heater while moving in a state in which the recording material contacts the rotatable member. The holder is unintegral with the first and second preventing members. The holder includes a positioning portion, contacting the first side plate, for positioning a position of the holder with respect to the longitudinal direction.

Abstract: An atomic oscillator includes: an atomic cell containing metal atoms; a light source generating light to be emitted to the atomic cell; a driver outputting a driving signal for driving the light source; a light detector detecting the light having passed through the atomic cell; a phase detector detecting an output of the light detector; a voltage controlled oscillator having an oscillation frequency adjusted based on the output detected by the phase detector; a phase modulator phase modulating an output signal of the voltage controlled oscillator and outputting the phase modulated signal; a frequency multiplier which outputs a microwave to the driver, the microwave being obtained by multiplying a frequency of the phase modulated signal; and a frequency divider which frequency divides the output signal of the voltage controlled oscillator and outputs the frequency divided output signal to the phase detector and the phase modulator.

Abstract: An image heating apparatus includes a frame including a first side plate and a second side plate, a cylindrical rotatable member, a heater, a holder having a length longer than a distance between the first and second side plates, a first preventing member, and a second preventing member. An image formed on a recording material is heated by heat of the heater while moving in a state in which the recording material contacts the rotatable member. The holder is unintegral with the first and second preventing members. The holder includes a positioning portion, contacting the first side plate, for positioning a position of the holder with respect to the longitudinal direction.

Abstract: A timing signal generating device includes a GPS receiver and a processing unit. The GPS receiver functions as a positioning calculation unit, and receives satellite signals transmitted from GPS satellites and performs positioning calculation based on trajectory information and time information contained in the received satellite signals. Further, the processing unit functions as a position information generation unit, and generates position information of a receiving point based on a mode value or a median value in results of the positioning calculation at a plurality of times by the GPS receiver.

Abstract: An information processing apparatus includes a transmitter and an update unit. The transmitter refers to a memory in response to an availability determination request with designation of a requested usage amount of a function. The memory stores a usable amount for each of second periods which are set by dividing a first period into plural periods. An upper limit value of a usage amount of the function which it is not allowed to exceed being set to the first period. The usable amount for each of the second periods is set as an initial value by allocating the upper limit value to the second periods. The transmitter transmits executability information to a request source of the availability determination request when the function in the requested usage amount is executable. The update unit updates the usable amounts stored in the memory based on the requested usage amount.

Abstract: An information processing apparatus includes a transmitter and an update unit. The transmitter refers to a memory in response to an availability determination request with designation of a requested usage amount of a function. The memory stores a usable amount for each of second periods which are set by dividing a first period into plural periods. An upper limit value of a usage amount of the function which it is not allowed to exceed being set to the first period. The usable amount for each of the second periods is set as an initial value by allocating the upper limit value to the second periods. The transmitter transmits executability information to a request source of the availability determination request when the function in the requested usage amount is executable. The update unit updates the usable amounts stored in the memory based on the requested usage amount.

Abstract: An atomic oscillator includes: an atomic cell in which alkali metal atoms are sealed; a light source that radiates first light and second light with different frequencies to the atomic cell; a light detector that detects the first light and the second light transmitted through the atomic cell and outputs a detection signal according to a detection intensity; a signal generator that generates a microwave signal according to a transition frequency between two ground levels of the alkali metal atoms based on a result obtained by detecting the detection signal for each first period; and a light source adjuster that adjusts the frequencies of the first light and the second light for each second period, the second period being longer than the first period.

Abstract: A control device includes a prohibition unit that prohibits a user from using an electronic apparatus in a case where a sum of a cumulative used amount of the electronic apparatus by the user for a predetermined time period and a new used amount which is newly instructed by the user exceeds a permitted amount for the predetermined time period; an acquiring unit that acquires charging destination information for the user in a case where the prohibition unit prohibits the user from using the electronic apparatus; an output unit that outputs charging information for excess over the permitted amount of the user, using the charging destination information in a case where the charging destination information is acquired by the acquiring unit; and a permission unit that permits the user to use the electronic apparatus after the charging information is output.

Abstract: An atomic oscillator includes a gas cell, a semiconductor laser, and a frequency modulation signal generation section (such as a frequency transform circuit) which generates a frequency modulation signal for causing the semiconductor laser to generate frequency-modulated light including a resonance light pair (first-order sideband light pair) that causes an electromagnetically induced transparency phenomenon in metal atoms. When a modulation index of the frequency modulation signal, by which a first-order differential value of oscillation frequency deviation of the atomic oscillator becomes 0, is regarded as a first modulation index, the modulation index is within a range between a second modulation index, which is smaller than the first modulation index, with which the oscillation frequency deviation is 0 and a third modulation index, which is greater than the first modulation index, with which the oscillation frequency deviation is 0.

Abstract: A control device includes: a prohibition unit that prohibits a user from using an electronic apparatus in a case where a sum of a cumulative usage amount of the electronic apparatus by the user for a predetermined period and a new usage amount which is newly instructed by the user exceeds a permitted amount for the user in the period; a subtraction unit that, in a case where the user instructs the electronic apparatus to be continuously used after the use of the electronic apparatus is prohibited by the prohibition unit, subtracts from permitted amounts for the user for a plurality of periods later than the period; and a permission unit that permits the user to use the electronic apparatus after the subtraction is performed by the subtraction unit.

Abstract: A control device includes a prohibition unit that prohibits a user from using an electronic apparatus in a case where a sum of a cumulative used amount of the electronic apparatus by the user for a predetermined time period and a new used amount which is newly instructed by the user exceeds a permitted amount for the predetermined time period; an acquiring unit that acquires charging destination information for the user in a case where the prohibition unit prohibits the user from using the electronic apparatus; an output unit that outputs charging information for excess over the permitted amount of the user, using the charging destination information in a case where the charging destination information is acquired by the acquiring unit; and a permission unit that permits the user to use the electronic apparatus after the charging information is output.

Abstract: An image heating apparatus includes: a heater including a substrate and a heat generating element; a supporting member; a high heat-conductive member. The recording material on which an image is formed is heated by heat from the heater. The supporting member has a bottom region, where the supporting member supports the heater, including a first region where the supporting member contacts the high heat-conductive member so as to apply pressure between the heater and the high heat-conductive member and including a second region where the supporting member is recessed from the high heat-conductive member relative to the first region. At least a part of the first region overlaps, with respect to a movement direction of the recording material, with a region where the heat generating element is provided.

Abstract: A control device includes a prohibition unit that prohibits use of an electronic apparatus in a case where a sum of a cumulative amount of use of the electronic apparatus for a predetermined period of time and a new amount of use which is newly instructed by an user exceeds a permitted amount in the period of time which is permitted for the user, and a permission unit that permits use of the electronic apparatus by an amount based on an unused amount which is a difference between the permitted amount and the cumulative amount of use in an unreaching period when the unreaching period is present before the period of time in an accounting period including the period of time, in a case where the use of the electronic apparatus is prohibited by the prohibition unit.

Abstract: An image heating device includes, a moving member configured to move while contacting a recording material at one surface of the moving member, a backup member configured to contact the other surface of the moving member, a holding member configured to hold the backup member, a nip portion forming member contacting the one surface of the moving member, and configured to form a nip portion in corporation with the backup member via the moving member, and a high thermal conductive member held between the holding member and the backup member, wherein the recording material on which an image has been formed is heated by heat received from the moving member while being nipped and conveyed at the nip portion, and wherein the holding member includes a recessed portion configured not to apply pressure to the high thermal conductive member.