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Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 4072908 | Audio amplifier with constant current consumption A class-AB audio amplifier comprises, as a final stage, two complementary power transistors connected across a direct-current source in series with an output resistor whose junction with the first of these transistors is grounded through a capacitor. The ... | 02/07/1978 |
| 4068183 | Transistorized single ended push-pull amplifier having no cross-over distortion An amplifier circuit comprising a single ended push-pull amplifying stage comprised of field effect transistors. A pre-amplifier stage formed of a differential amplifier is coupled to the single ended push-pull amplifying stage for supplying a signal ther... | 01/10/1978 |
| 4068187 | Audio-frequency power amplifiers An audio- or low-frequency power amplifier comprises a pair of output transistors which are opposite in a conduction type to each other and connected in a complementary push-pull circuit configuration in which an impedance element is connected between the... | 01/10/1978 |
| 4063185 | Direct coupling type power amplifier circuit In a direct coupling type power amplifier circuit comprising an input differential amplifier stage, a drive amplifier stage responsive to the output signal of the input differential amplifier stage dc-wise and ac-wise, and a push-pull output amplifier sta... | 12/13/1977 |
| 4059808 | Differential amplifier In a semiconductor differential amplifier comprising a differential pair of npn transistors having the emitters connected to the emitter of lateral transistors, the bases supplied with an input signal, and the collectors connected in common to one termina... | 11/22/1977 |
| 4048575 | Operational amplifier A family of operational amplifiers are described which utilize only MOSFET transistors as the active devices. These operational amplifiers exhibit an infinite input impedance and zero input offset and bias currents. The circuits are capable of operating o... | 09/13/1977 |
| 4027270 | Class ABC amplifier circuit A high efficiency linear amplifier which operates in a class AB mode so long as the output potential is less than a first potential source and switches to a second potential source and output electron device when the output potential exceeds the magnitude... | 05/31/1977 |
| 4021746 | Transistor amplifier having field effect transistors with stabilized drain bias current A transistor amplifier is comprised of a first differential amplifier for receiving an input signal and a second differential amplifier coupled to the output of the first differential amplifier. An output stage is coupled to the second differential amplif... | 05/03/1977 |
| 4015212 | Amplifier with FET having gate leakage current limitation An amplifier having at least a drive stage and an output stage, the output stage comprised of an FET for applying an amplified signal to a load. The drive stage includes a transistor device whose output is direct coupled to the gate electrode of the FET, ... | 03/29/1977 |
| 3995229 | High slew rate operational amplifier circuit High reliability, very high slewing rates and fast settling times are realized in an operational amplifier circuit having a single externally controllable gain stage and an input stage that utilizes complementary bipolar transistors and dielectric isolati... | 11/30/1976 |
| 3995228 | Active bias circuit for operating push-pull amplifiers in class A mode A transistor audio amplifier of the Class AB complementary symmetry type is biased with a new bias circuit to keep both transistors on during all normal signal conditions. The bias circuit includes a pair of series connected VBE Multipliers wit... | 11/30/1976 |
| 3991380 | Complementary field effect transistor differential amplifier A feedback circuit responsive to the output signals of two amplifiers provides feedback in a sense to amplify differential mode components and reject common mode components of input signals supplied to the amplifiers, the resultant common mode rejection r... | 11/09/1976 |
| 3987369 | Direct-coupled FET amplifier A direct-coupled full stage cascaded amplifier comprising an output stage, a drive stage and a predrive stage. The output stage is composed of an SEPP (single-ended push-pull) circuit of a plurality of FET's having a certain conductivity type channel. The... | 10/19/1976 |
| 3983502 | Bridge-output amplifier with direct-coupled differential-mode feedback A bridge-output amplifier, comprising four transistor means connected in bridge responsive to a drive signal to supply opposite ends of a cross-arm load with push-pull output signals, has direct-coupled differential mode feedback to reduce the quiescent p... | 09/28/1976 |
| 3956708 | MOSFET comparator A family of comparators are described which utilize only MOSFET transistors as the active devices. These comparators exhibit an infinite input impedance and zero input offset and bias currents. The circuits are capable of operating over a wide range of DC... | 05/11/1976 |
| 3955146 | Circuit for coupling an antenna to a load A circuit coupling an antenna to a load uses an integrated circuit differial amplifier with emitter feedback, a buffer amplifier and various adjusting networks to achieve constant output impedance independent of input loading over a wide range of frequen... | 05/04/1976 |
| 3944944 | Power amplifier with distortion control An electrical audio power amplifier is connected to receive an input informational signal from a pre-amplifying stage functioning with a transducer or pick-up device such as a magnetic phono cartridge or tape head and connected to supply a transformerless... | 03/16/1976 |
| 3936731 | Amplifier with fast recovery after input signal overswing In a direct-coupled cascade of first and second amplifier stages respectively including first and second complementary-conductivity transistors, the collector electrode of the first transistor being connected to the base electrode of the second transistor... | 02/03/1976 |
