An assisting apparatus for bean roasting and a bean roasting apparatus are provided. The present invention senses sound in a chamber of a bean roasting device through a microphone to generate an audio signal, and control the bean roasting procedure by determining that the energy value of the audio signal crosses a threshold at a time point based on the observation time window.

An assisting apparatus for bean roasting and a bean roasting apparatus are provided. The present invention senses sound in a chamber of a bean roasting device through a microphone to generate an audio signal, and control the bean roasting procedure by determining that the energy value of the audio signal crosses a threshold at a time point based on the observation time window.

The invention concerns an apparatus for roasting coffee beans comprising: —a vessel (1) to contain coffee beans, —a heating device (12) to heat coffee beans contained in the vessel, —a control system (180) operable to control the heating device and configured to apply a roasting recipe (R), wherein for a customised quantity m of coffee beans of type Ny introduced inside the vessel, —the control system is configured to obtain at least the quantity m of coffee beans introduced inside the vessel and the type Ny of coffee beans introduced inside the vessel, and —based on the obtained type Ny, the control system is configured to get access at least to a roasting recipe Ry, said recipe being adapted to the roasting of one pre-determined quantity M of beans of type Ni, and to said pre-determined quantity M, and —based on the accessible roasting recipe Ry and on said obtained quantity m of coffee beans introduced inside the vessel, the control system is configured to determine the roasting recipe (R) to be applied to the quantity m of coffee beans of type Ny introduced inside the vessel.

The invention concerns an apparatus for roasting coffee beans comprising: —a vessel (1) to contain coffee beans, —a heating device (12) to heat coffee beans contained in the vessel, —a control system (180) operable to control the heating device and configured to apply a roasting recipe (R), wherein for a customised quantity m of coffee beans of type Ny introduced inside the vessel, —the control system is configured to obtain at least the quantity m of coffee beans introduced inside the vessel and the type Ny of coffee beans introduced inside the vessel, and —based on the obtained type Ny, the control system is configured to get access at least to a roasting recipe Ry, said recipe being adapted to the roasting of one pre-determined quantity M of beans of type Ni, and to said pre-determined quantity M, and —based on the accessible roasting recipe Ry and on said obtained quantity m of coffee beans introduced inside the vessel, the control system is configured to determine the roasting recipe (R) to be applied to the quantity m of coffee beans of type Ny introduced inside the vessel.

The invention concerns an apparatus for roasting coffee beans comprising:—a vessel (1) to contain coffee beans,—a heating device (12) to heat coffee beans contained in the vessel,—a control system (180) operable to control the heating device and configured to apply a roasting recipe (R) providing the temperature T.sub.@t1, T.sub.@t2, . . . to be applied at discrete successive times t.sub.1, t.sub.2, . . . , respectively, wherein for a customised quantity m of coffee beans introduced inside the vessel,—the control system is configured to obtain at least the quantity m of coffee beans introduced inside the vessel, and—the control system is configured to get access to at least one series of roasting recipes (R.sub.i, R.sub.i+1, . . . ) adapted to the roasting of different successive pre-determined quantities (M.sub.i, M.sub.i+1, . . . ) of beans of same type and to said pre-determined quantities Mi, Mi+1, . . . , and—based on said accessible series of roasting recipes (R.sub.i, R.sub.i+1, . . . ) adapted to the roasting of different successive pre-determined quantities (M.sub.i, M.sub.i+1, . . . ) of beans of same type and based on said obtained quantity m of coffee beans introduced inside the vessel, the control system is configured to determine the roasting recipe (R) to be applied on said obtained quantity m of coffee beans introduced inside the vessel.

The invention concerns an apparatus for roasting coffee beans comprising:—a vessel (1) to contain coffee beans,—a heating device (12) to heat coffee beans contained in the vessel,—a control system (180) operable to control the heating device and configured to apply a roasting recipe (R) providing the temperature T.sub.@t1, T.sub.@t2, . . . to be applied at discrete successive times t.sub.1, t.sub.2, . . . , respectively, wherein for a customised quantity m of coffee beans introduced inside the vessel,—the control system is configured to obtain at least the quantity m of coffee beans introduced inside the vessel, and—the control system is configured to get access to at least one series of roasting recipes (R.sub.i, R.sub.i+1, . . . ) adapted to the roasting of different successive pre-determined quantities (M.sub.i, M.sub.i+1, . . . ) of beans of same type and to said pre-determined quantities Mi, Mi+1, . . . , and—based on said accessible series of roasting recipes (R.sub.i, R.sub.i+1, . . . ) adapted to the roasting of different successive pre-determined quantities (M.sub.i, M.sub.i+1, . . . ) of beans of same type and based on said obtained quantity m of coffee beans introduced inside the vessel, the control system is configured to determine the roasting recipe (R) to be applied on said obtained quantity m of coffee beans introduced inside the vessel.

The invention concerns an apparatus for roasting partially pre-roasted coffee beans comprising:—a vessel (1) to contain coffee beans,—an electrical heater (13) to heat coffee beans contained in the vessel,—at least one temperature sensor (23) to measure temperature in the vessel,—a control system (180) operable to control the heater, wherein the control system is configured to:—apply a roasting recipe dedicated to the roasting of partially pre-roasted beans comprising at least a temperature versus time profile,—measure the concentration of at least one volatile organic component (VOC) in the smoke produced in the vessel during the time the roasting recipe is applied,—detect an increase of the measured concentration in function of time,—stop heating if no increase of the measured concentration happens after a set reference time t.sub.1.

The invention concerns an apparatus for roasting partially pre-roasted coffee beans comprising:—a vessel (1) to contain coffee beans,—an electrical heater (13) to heat coffee beans contained in the vessel,—at least one temperature sensor (23) to measure temperature in the vessel,—a control system (180) operable to control the heater, wherein the control system is configured to:—apply a roasting recipe dedicated to the roasting of partially pre-roasted beans comprising at least a temperature versus time profile,—measure the concentration of at least one volatile organic component (VOC) in the smoke produced in the vessel during the time the roasting recipe is applied,—detect an increase of the measured concentration in function of time,—stop heating if no increase of the measured concentration happens after a set reference time t.sub.1.

An assisting apparatus for bean roasting and a bean roasting apparatus are provided. The assisting apparatus captures a scene in a chamber of the bean roasting device through an image capturing device to generate an image, compares the image with a historical roasting pattern set based on a plurality of color attributes of a color space to determine a roasting level represented by the image, and controls the bean roasting procedure.

An assisting apparatus for bean roasting and a bean roasting apparatus are provided. The assisting apparatus captures a scene in a chamber of the bean roasting device through an image capturing device to generate an image, compares the image with a historical roasting pattern set based on a plurality of color attributes of a color space to determine a roasting level represented by the image, and controls the bean roasting procedure.