Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-10-07
1976-01-27
Larkins, William D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307221D, 307304, 357 24, H03K 1940, H01L 2704, H01L 2980
Patent
active
039354776
ABSTRACT:
In charge transfer apparatus, an analog inverter comprises a charge storage medium to which are applied varying voltages through a plurality of electrodes, illustratively: a source electrode, a reference electrode and a collector electrode arranged in tandem. Between the source and reference electrodes there is a first control electrode and, in one embodiment, between the reference and collector electrodes there is a second control electrode and a signal electrode. With the electrical signal to be inverted connected to the signal electrode, analog inversion, a form of complementing function, occurs as follows: (1) during the first phase of the clock cycle, a voltage is applied to the first control electrode effective to cause a fixed amount of charge to be transferred from the source to a reference potential well established under the reference electrode; (2) during the second phase of the clock cycle, a voltage is applied to the second control electrode effective to increase the surface potential thereunder and to permit charge to be transferred into a potential well under the collector electrode; this charge establishes a new surface potential which, apart from an additive constant is equal to the inverted signal voltage. In other embodiments in which the analog signal is of a self-strobing type (e.g., the output of a C4D or BB) the second control electrode is not required.
REFERENCES:
patent: 3758794 (1973-09-01), Kosonocky
patent: 3777186 (1973-12-01), Chang
patent: 3801883 (1974-04-01), Tiemann
Engeler et al., "A Memory System Based on Surface-Charge TRansport," IEEE Jour. of Solid- State Circuits,Vol. SC-6, No. 5, Oct. 1971, pp. 306-313.
McDermott, "New Surface-Charge Transistor Has High Data Storage Potential," Electronic Design, Vol. 18, No. 26, Dec. 20, 1970, p. 28.
Strain Robert Joseph
Walden Robert Henry
Bell Telephone Laboratories Incorporated
Larkins William D.
Urbano M. J.
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