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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 6356027 | 0-10V dimming interface protection circuit A 0-10V dimming interface protection circuit generating an indication that line voltage is applied across first and second leads of the dimming interface controlling light output by a lamp, includes a first device for limiting current serially connected b... | 03/12/2002 |
| 6349010 | Apparatus for recording data in parallel tracks A recording apparatus includes a thin film magnetic head (20) with eight write units (21-28) positioned adjacent to each other in a transversal direction (y) to write data in parallel tracks on a magnetic tape (10). Switching arrangement 70 has a switch (... | 02/19/2002 |
| 6324028 | Recording apparatus provided with a write driver circuit A recording apparatus for recording an information signal on a magnetic record carrier includes a write driver circuit and a magnetic write head. The write driver circuit comprises a first voltage driver and a second voltage driver. A first current driver... | 11/27/2001 |
| 6320357 | Circuit arrangement A circuit arrangement for supplying a load which comprises a discharge lamp. The circuit includes apparatus for generating a DC voltage and provided with input terminals for connection to a supply voltage source. A rectifier is coupled to the input termin... | 11/20/2001 |
| 6313679 | Timing circuit A timing circuit which is used to synchronize different circuit to each other. The timing circuit includes adjustable delay apparatus which delay an input signal with a predetermined value. The timing circuit uses counting devices to count the input signa... | 11/06/2001 |
| 6300825 | PWM amplifier with feedback loop integrator A PWM amplifier comprising a comparator and an integrator is known to amplify, for example, audio signals. One drawback of the known PWM amplifiers is the maximally achievable loop gain is low. To overcome the disadvantages of the prior art PWM amplifiers... | 10/09/2001 |
| 6278390 | Circuit arrangement for monitoring an output load A circuit arrangement for monitoring an output load (4) of a digital-to-analog current converter (1). The digital-to-analog converter supplies an analog output current dependent on a digital comparison data word to a first resistor (2) and, if present, to... | 08/21/2001 |
| 6252567 | Multi-output digital to analog converter In a multiple-output digital to analog converter, digital input data (Dd) is converted into a plurality of analog output voltages (Voi) across associated loads (Li). A timing generator (TG) generates time periods (Ti1) in dependence on the digital input d... | 06/26/2001 |
| 6240194 | Hearing aid with external frequency control A hearing aid comprises a controllable oscillator, a control circuit and a receiver for receiving a reference signal from a remote control. The control circuit is coupled to the controllable oscillator and to the receiver and is constructed so as to contr... | 05/29/2001 |
| 6232726 | Ballast scheme for operating multiple lamps A ballast including a single sense element and a single controller for mulitple lamp operation. The ballast avoids the need for separate feedpaths for sensing individual lamp conditions and/or the need for separate controllers for controlling the individu... | 05/15/2001 |
| 6229351 | Current measuring device and telephone terminal using such a current measuring device Current measuring device which comprises a current sense resistor (2) for generating a voltage proportional to the current to be measured. The voltage is measured by a MOS transistor (4) having its gate terminal connected to a first terminal of the curren... | 05/08/2001 |
| 6225755 | High power factor electronic ballast with simplified circuit topology An electronic ballast circuit for driving a gas discharge lamp from a mains voltage signal supply includes a ballast bridge unit having upper and lower signal lines. A capacitive divider is disposed across the bridge. The capacitive divider comprises at l... | 05/01/2001 |
| 6225802 | Apparatus for automatic measurement of resistance of integrated MR device A device for measuring the resistance of an MR element which passes a bias current Imr and which derives a bias voltage. A voltage comparator CMP receives the bias voltage Vmr and a reference voltage Vref. A counter UPCNT has an enable input EN coupled to... | 05/01/2001 |
| 6226344 | Generation of a time period A time period (Td) is generated with a high accuracy and a high resolution. At a starting instant (ti) of the time period (Td), an analog integration operation (3) is started to generate an integration value (ios). At a certain instant (t1), the analog in... | 05/01/2001 |
| 6215252 | Method and apparatus for lamp control A method for operating a lamp which includes the steps of providing an electric lamp having a pair of electrodes and an arc gap therebetween, providing a power supply for applying a voltage and current to the electric lamp, and providing a controller for ... | 04/10/2001 |
| 6204611 | Pulse ignition apparatus for a discharge lamp A pulse igniter for a discharge lamp has a transformer with a primary winding coupled to a first capacitor and a switching element and a secondary winding shunted by a series circuit of a diode and a second capacitor at its output. As a result, the genera... | 03/20/2001 |
| 6204617 | Device for the detection of an angle of rotation of a brushless multi-phase d.c. motor A device which detects the angle of rotation of a rotor with respect to a stator of a brushless multi-phase d.c. motor. The rotor comprises a permanent magnet and the stator comprises a plurality of electrical windings. Electric drive signals are applied ... | 03/20/2001 |
| 6204614 | Bi-level output electronic high intensity discharge (HID) ballast system A bi-level output electronic high intensity discharge (HID) ballast system includes a circuit for selectively generating a bi-level output for powering a lamp and an electronic HID ballast with a feedback loop. The system also includes an error amplifier ... | 03/20/2001 |
| 6198232 | Discharge lamp circuit with dual ignition coils A ballast circuit for a compact fluorescent lamp includes a down-converter for operating the lamp with a DC current during stationary operation. The ballast circuit is equipped with an additional inductor. The choke of the down-converter and the additiona... | 03/06/2001 |
| 6194840 | Self-oscillating resonant converter with passive filter regulator An electronic fluorescent lamp ballast having output voltage stabilized by a bandpass filter connected between a transformer control winding and the switching electrode of the switching transistor. In one embodiment especially adapted for ballasts which p... | 02/27/2001 |
| 6188250 | Peak detection apparatus An apparatus for detecting peaks of positive and negative polarity in an information signal. The apparatus comprises a first peak detector means for detecting the positive peaks and a second peak detector for detecting the negative peaks. The first peak d... | 02/13/2001 |
| 6188184 | Electronic ballast with reduced operating frequency after lamp ignition A ballast circuit for a compact fluorescent lamp includes a down-converter for operating the lamp with a DC current during stationary operation. First and second input terminals provide a DC supply voltage and first and second output terminals connect to ... | 02/13/2001 |
| 6184633 | Reduction of vertical segregation in a discharge lamp An apparatus for reducing vertical segregation of a discharge lamp. A current/voltage input sweeps through a frequency range between the first azimuthal acoustic resonance mode and a first radial acoustic resonance mode of the discharge lamp. The current/... | 02/06/2001 |
| 6181079 | High power electronic ballast with an integrated magnetic component A high power electronic ballast for operating one or more discharge lamps includes a power factor correction high frequency converter input stage in cascade with an output stage made up of a half-bridge resonant converter. In place of the conventional iso... | 01/30/2001 |
| 6175195 | Triac dimmable compact fluorescent lamp with dimming interface A dimming interface for translating the conduction pulse width of a signal produced by a triac dimmer into a proportional rectified average voltage serving as a dimming signal. The dimming signal is supplied as an input to an IC driver for controlling the... | 01/16/2001 |
| 6169508 | Digital to analogue converter and method of operating the same A digital to analogue converter includes at least one capacitor for storing an analogue output voltage resulting from the digital to analogue conversion. The converter further includes an output switch arrangement coupling the at least one capacitor to an... | 01/02/2001 |
| 6165626 | Laminated assembly and method of manufacture A laminated magnetic core assembly and method of manufacture having at least one notch formed along opposite sides of a strip material from which the laminations are formed. The notches on the opposite sides of the strip are punched out and separated from... | 12/26/2000 |
| 6160357 | Bridge commutator with separate drive oscillator for electrodeless lamps A circuit arrangement for igniting and operating an electrodeless discharge lamp provided with a half-bridge commutator having two switching elements each having an emitter electrode and a control electrode and a parasitic capacitance in between. Each swi... | 12/12/2000 |
| 6160361 | For improvements in a lamp type recognition scheme A ballast for operating different types of lamp loads through identification of the lamp type during steady state operation of the lamp load. Lamp type recognition is achieved based on a comparison of the lamp load voltage and lamp load current data point... | 12/12/2000 |
| 6160362 | Ignition scheme for a high intensity discharge lamp An electronic ballast for reducing blackening of a high intensity discharge lamp, reducing stress on both the lamp and ballast components caused by excessive voltage and current flow and increasing the lamp's effective life. These advantages are achieved ... | 12/12/2000 |
| 6151488 | Multi-tuner receiver for concurrent reception of mutually different signals In a receiver, two tuners (TUN1,TUN2) provide concurrent reception of mutually different signals. The two tuners are merged into one module (MOD). This may give rise to mutual interference. However, there are various cost-efficient measures to counter suc... | 11/21/2000 |
| 6150761 | Discharge lamp ballast circuit with charge pump igniter A ballast for a compact fluorescent lamp includes a down-converter for operating the lamp with a DC current during stable operation and a charge pump for igniting the lamp. The converter includes an inductor and a first series circuit of a first diodie an... | 11/21/2000 |
| 6147458 | Circuit arrangement and signalling light provided with the circuit arrangement A circuit arrangement for operating a semiconductor light source includes connection terminals for connecting a control unit, an input filter, a converter comprising a control circuit, output terminals for connecting the semiconductor light source, an app... | 11/14/2000 |
| 6144171 | Ignitor for high intensity discharge lamps An improved high intensity discharge ("HID") ignition circuit for a ballast uses a gapped transformer with a capacitor placed across the secondary thereof. The ballast includes a DC source, a down converter, a commutator, and the ignition circuit. The out... | 11/07/2000 |
| 6144167 | Circuit arrangement A DC/DC converter of the flyback/forward converter type includes a switch (S), a transformer (T), a first diode (D1), a first capacitor (C1), a second diode (D2) and a second capacitor (C2). The first and the second capacitor are arranged in series betwee... | 11/07/2000 |
| 6137234 | Circuit arrangement A circuit arrangement for operating two or more discharge lamps in parallel, includes a transformer in a resonant load circuit. Each of the lamps is part of a series arrangement of the lamp and a capacitor. The operating frequency is chosen below the freq... | 10/24/2000 |
| 6133819 | Load-dependent preventive fuse A load-dependent, preventive fuse with an electronic ceramic (12) in a housing (11) from which connection leads (14) are led outwards to detect at least a first type of load to which a device to be monitored is subjected, in which fuse use is made of a ce... | 10/17/2000 |
| 6133835 | Identification transponder An identification transponder comprising an identification code generator (10) embodied as an integrated circuit predominantly comprising organic materials. The integrated circuit may be provided on an anti-theft sticker (5) accommodating an LC resonant c... | 10/17/2000 |
| 6134132 | Circuit arrangement In a self-oscillating bridge circuit, the control of the low switch (6) is derived from the control of the high switch (7) by coupling the control circuitry (SC2) of the low switch to a terminal P in the control circuitry of the high switch by means of a ... | 10/17/2000 |
| 6134065 | Method and device utilizing erasure information as a reliability indicator in an information medium A method and a device in which information is written on a medium and is read out, and which establishes whether the information read is sufficiently reliable, and in which so-called erasure information is used to establish the influence of media defects ... | 10/17/2000 |
