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A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 7348845 | System and method for employing variable magnetic flux bias in an amplifier A system and method for employing variable magnetic flux bias in an amplifier. The amplifier system comprises an output transformer and a magnetic sensor configured to sense a first magnetic flux of the output transformer. The magnetic sensor generates a flux signal... | 03/25/2008 |
| 6894616 | Piezo-electric tag A piezo-electric tag in the form of a card has a first dipole antenna, a first rectification circuit, a piezo-electric transformer, a second rectification circuit, and a transponder circuit. In operation, the antenna receives incoming radiation and generates a corre... | 05/17/2005 |
| 5710520 | Pulse step modulator and transformer A pulse step modulator is provided that includes a plurality of series connected unit step modules, each including a DC voltage source and an associated actuatable switching means for, when actuated, turning ON the associated module to provide a unit step... | 01/20/1998 |
| 5164682 | Two-port wideband bipolar transistor amplifiers A wideband amplifier comprises a dual-emitter bipolar transistor arrangement with coaxial transformers, each having a high turns ratio and tight coupling between a first toroidal winding on an annular ferrite core and a second, single-turn, winding consti... | 11/17/1992 |
| 4571554 | Balanced amplifier device A signal amplifier device providing output power independent of change in output characteristics or common mode interference including a signal input source to provide an input signal, a first power supply and second power supply having a transformer with... | 02/18/1986 |
| 4565931 | Isolated amplifier circuit for amplifying pulses, in particular for a high voltage output The amplifier circuit comprises a low voltage input stage (1) connected via transformers (3) to a high voltage output stage (5). The transformers comprise a central transformer having one primary winding (30) and two oppositely-wound secondary windings (3... | 01/21/1986 |
| 4490844 | Low frequency transformer A low frequency transformer for an audio system has a core, a primary winding, a secondary winding, insulation between the primary and secondary windings, a tertiary winding, and insulation between the secondary and tertiary windings. One end of the terti... | 12/25/1984 |
| 4124822 | Isolation amplifier A DC isolation amplifier having improved conductive isolation between its input and output. The amplifier includes an input section having a modulator and an output section having a demodulator and an oscillator section. The modulator and demodulator are ... | 11/07/1978 |
