1460736944-d08145b0-0635-4f1b-a280-7d42d36d28af

1. A point-of-sale self-checkout apparatus comprising:
an audio input device;
an audio processing module configured to process an audio input signal comprising item terminology received from the audio input device, and to query a database based on a received audio input to determine a query result, wherein the query result comprises one or more identified products based on a match between the processed audio input and keywords associated with the identified one or more products, wherein at least one of the one or more of the identified products was obtained as a result of a prediction process derived from terminology that is different from the item terminology used in the audio input; and
a display for displaying to the purchaser a graphical user interface comprising a plurality of icons, each icon depicting one of the products identified in the query result; wherein the display in configured to receive from the purchaser a selection of one of the displayed icons.
2. A product purchasing method comprising:
at a point-of-sale self-checkout terminal comprising a code reader device, a customer input device, an image capture device, a touch-sensor device and an audio input device,
receiving from a customer a first input at the customer input device initiating a purchase of an item non-scannable by the code reader device;
capturing an image of a checkout item through the image capture device;
receiving an audio input through the audio input device;
processing said first input, captured image and audio input;
querying a database to identify a first plurality of items based on a prediction of purchase of the items;
in response to any or all of the first input, the captured image and the audio input, displaying to the customer a graphical user interface comprising a first plurality of user-selectable icons, each of said icons representing one of the first plurality of items, and at least one additional user-selectable icon representing an item resulting from a prediction process that is based on information other than information obtained through the code reader device, the customer input device, the image capture device, the touch-sensor device or the audio input device;
receiving from the user a second input through the touch-sensor device selecting at least one of the first plurality of icons; and
processing a purchase transaction for an item corresponding to the selected icon.
3. A point-of-sale self-checkout terminal comprising:
a code reader device for automated entry of a product identification code present on items for purchase;
a customer input device for receipt of data from a customer;
an audio input device;
a database comprising stored data indicating expectation of purchase of items;
a video display;
a processor coupled to the code reader, the input device, the audio device, the database, and the video display and a memory comprising stored instructions to configure the processor to:
receive from the self-checkout customer a first input at the customer input device to initiate a purchase of an item non-scannable by the reader device;
receive and process from the audio input device an audio signal;
query the database to identify a first plurality of items based on either the first input or the audio signal;
in response to either the first input or the audio signal, display to the customer on the video display a graphical user interface comprising a first plurality of user-selectable icons each of said icons representing one of the first plurality of items, and at least one additional user-selectable icon representing an item resulting from a prediction process that is based on information other than information obtained through the code reader device, the customer input device or the audio input device;
receive from the user a second input selecting at least one of the first plurality of icons; and
process a purchase transaction for an item corresponding to the selected icon.

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 for displaying on a dishwasher having a reservoir for holding an amount of a dish cleaning agent or dish cleaning auxiliary for multiple dishwasher cleaning cycles, an electronic display unit fitted in a dishwasher interior or on a dishwasher exterior to display a reservoir refill indicator, a time-dependent controller, and a structure fitted to a movable part of a dishwasher, comprising:
receiving a setting for a duration of time with a time-dependent controller;
after the passing of the duration of time, causing the electronic display unit to display the reservoir refill indicator, which displays the depletion of the cleaning agent or cleaning auxiliary in the reservoir as a function of time, with the controller;
triggering a switching operation for the controller when the movable part having a structure fitted is moved and correlating the switching operation to a count of number of dishwashing cleaning cycles that have been carried out;
detecting the switching operation for the controller;
after a threshold number of switching operations are detected, notwithstanding if the duration of time has passed, causing the display of the reservoir refill indicator, which displays the depletion of the cleaning agent or cleaning auxiliary in the reservoir as a function of a time, with the controller.
2. The method of claim 1, wherein the display unit is arranged outside the dishwasher.
3. The method of claim 1, wherein counting the number of dishwashing cleaning cycles is correlated as a function of the number of times a door of the dishwasher is opened.
4. The method of claim 1, wherein counting the number of dishwashing cleaning cycles is correlated as a function of the number of movements of at least one dish rack.
5. The method of claim 1, wherein counting the number of dishwashing cleaning cycles is correlated as a function of the number of times an onoff switch of the dishwasher is switched.
6. A dishwasher detergent or dishwasher auxiliary depletion display device, comprising:
a reservoir being of a size for holding a dish cleaning agent or dish cleaning auxiliary in an amount for multiple dishwasher cleaning cycles;
an electronic display unit fitted in a dishwasher interior or on a dishwasher exterior to display a reservoir refill indicator;
a time-dependent controller configured to receive a setting for a duration of time after the passing of which the controller is configured to cause the electronic display unit to display the reservoir refill indicator, which displays the depletion of the cleaning agent or cleaning auxiliary in the reservoir as a function of time; and
a structure fitted to a movable part of a dishwasher, wherein movement of the movable part triggers a switching operation for the controller that is correlated to a count of the number of dishwashing cleaning cycles that have been carried out, and wherein the controller is configured to cause the electronic display unit to display the reservoir refill indicator, which displays the depletion of the cleaning agent or cleaning auxiliary in the reservoir as a function of time after a threshold number of switching operations is detected, notwithstanding if the duration of time has passed and without visually inspecting the reservoir contents.
7. The display device of claim 6, wherein the structure includes a reed switch, and further comprising a magnet fastened to the movable part of the dishwasher.
8. The display device of claim 6, wherein the movable part is a dish rack.
9. The display device of claim 6, wherein the movable part is an onoff switch of the dishwasher.
10. The display device of claim 6, wherein the movable part is a dishwasher door.
11. The display device of claim 6 wherein the electronic display unit is a liquid-crystal display (LCD).

1460736933-d12e3965-3fab-4169-b315-cba12a00a473

1. A VSB (Vestigial Sideband) demodulator configured to demodulate a VSB modulated signal including a plurality of fields each having a plurality of segments, the plurality of fields each having as one of the plurality of segments a field synchronization component containing a predetermined PN (Pseudo Noise) sequence, the plurality of segments each having a segment synchronization component having predetermined four symbols, the VSB demodulator comprising:
a channel estimation section configured to perform a convolution operation between the VSB modulated signal and the predetermined PN sequence, and generate a timing signal synchronous with the segment synchronization components of the VSB modulated signal according to results of the operation;
a phase variation detection section configured to detect a phase error in the VSB modulated signal in accordance with timing indicated by the timing signal, and output a detection signal corresponding to variation in the detected phase error; and
a waveform equalization section, including a filter, configured to update a coefficient of the filter and perform waveform equalization on the VSB modulated signal,
wherein the waveform equalization section increases a coefficient update gain for the filter when the detection signal indicates that the variation in the phase error is larger than a predetermined value.
2. The VSB demodulator of claim 1, wherein the phase variation detection section detects as the phase error a difference between in-phase components of second and third symbols of the symbols included in the segment synchronization component.
3. The VSB demodulator of claim 1, wherein the phase variation detection section detects the phase error by using the segment synchronization component of a segment other than the segment that is the field synchronization component.
4. The VSB demodulator of claim 1, wherein the channel estimation section further generates as the timing signal a signal which is synchronous with the segment synchronization components or a delayed signal of the VSB modulated signal.
5. A television receiver comprising:
a tuner section configured to receive a VSB modulated high-frequency signal, tune the received high-frequency signal, convert the tuned signal into a baseband signal, and output a resultant VSB modulated signal, the high-frequency signal having been VSB-modulated in such a manner that the high-frequency signal includes a plurality of fields each having a plurality of segments, and that the plurality of fields each include as one of the plurality of segments a field synchronization component containing a predetermined PN sequence, and that the plurality of segments each have a segment synchronization component having predetermined four symbols;
the VSB demodulator of claim 1 configured to demodulate the VSB modulated signal output from the tuner section; and
a back end section configured to decode results of demodulation performed by the VSB demodulator, and output a resultant videoaudio 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 device for the UV treatment of fluids flowing in a flow channel, comprising;
a plurality of UV emitters that are disposed in the flow channel;
at least one UV sensor adapted to monitor an operating state of the UV emitters;
at least one power supply means for supplying power to said UV emitters, wherein said at least one power supply means is configured to modulate an operating voltage, for individual ones of said emitters or groups of said emitters, that is supplied to said emitters during operation; and
at least one unit, connected with said at least one UV sensor, for monitoring said UV emitters, wherein said at least one unit is configured to evaluate a modulation contained in UV radiation emitted by said UV emitters.
2. A device according to claim 1, wherein said UV emitters are low-pressure mercury UV emitters.
3. A device according to claim 2, wherein said low-pressure UV emitters are amalgam-type emitters.
4. A device according to claim 1, wherein the operating voltage for each of said UV emitters is adapted to be modulated individually.
5. A device according to claim 1, wherein the modulation is an amplitude modulation.
6. A device according to claim 1, wherein evaluation of the modulation is adapted to be effected by means of a Fourier transformation.
7. A device according to claim 1, wherein said UV emitters are adapted to be switched off individually for purposes of calibration.
8. A method of operating a UV disinfection device provided with at least one UV emitter, including the steps of:
supplying at least one UV emitter with an operating voltage for a firing and continuous operation thereof;
modulating said operating voltage, an operating current, or an electrical power of at least one of said UV emitters;
detecting UV radiation emitted by said at least one UV emitter with a UV sensor that is adapted to temporally resolve the modulation;
evaluating a signal recorded by said UV sensor; and
checking whether the modulation in a signal given off by said UV sensor corresponds to a desired value.
9. A method according to claim 8, wherein said modulating step comprises carrying out modulation differently for each UV emitter.
10. A method according to claim 8, wherein during operation said UV emitters are operated in a substantially unmodulated manner, and wherein for checking an individual emitter, only such individual emitter is supplied with modulated operating voltage.
11. A method according to claim 10, wherein said modulating step is carried out successively for all of said UV emitters.
12. A method according to claim 10, wherein said modulating step is repeated cyclically.
13. A method according to claim 8, wherein for low-pressure mercury UV emitters, the operating voltage has a natural frequency in the range of from 20 kHz to 1 MHz, and wherein modulation of the operating voltage is in the form of amplitude modulation at frequencies of from 100 Hz to 100 kHz.
14. A method according to claim 8, wherein adjacent ones of said UV emitters may be combined into groups, wherein emitters of a given group may be jointly modulated at similar frequencies.
15. A method according to claim 14, wherein the emitters of a given group may be jointly modulated at frequencies that are adjacent in a frequency grid.