Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1977-07-12
1979-01-09
Anagnos, Larry N.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307221D, 307246, 307251, 307279, 307DIG3, 365183, 365204, H03K 518, H03K 502, H03K 1704, G11C 700
Patent
active
041340337
ABSTRACT:
A method and apparatus is disclosed for a fast switching digital differential amplifier system useful in regenerating information signals in charge coupled devices. The amplifier system has a first capacitance at an input point which is charged and discharged in accordance with a binary "0" or binary "1" at the input. A second capacitance and an output capacitance is provided with a predetermined charge thereon. In the event of a binary "1", the predetermined charge on the second and output capacitance is retained while the first capacitance is discharged. In the event of a binary "0", the second and output capacitances are discharged via a current sink. A flip-flop is connected to the output capacitance for accelerating the discharge of the same. Switching transistors are additionally provided for activating the flip-flop to achieve the desired fast-switching.
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Dennard, "Regeneration Circuit for Charge-Coupled Device Shift Registers"; IBM Tech. Discl. Bull.; vol. 14, No. 12, pp. 3791-3792; 5/1972.
Dennard et al., "Read/Write Amplifier for Charge-Coupled Device Memory"; IBM Tech. Discl. Bull.; vol. 14, No. 12, pp. 3722-3723; 5/1972.
Hoffmann Kurt
Mauthe Manfred
Anagnos Larry N.
Siemens Aktiengesellschaft
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