Remote control signal processing circuit for a microcomputer

Details Remote control signal processing circuit for a microcomputer Remote control signal processing circuit for a microcomputer

1994-07-28

1995-07-25

Voeltz, Emanuel T.

Boots, shoes, and leggings

34082563, 359142, 375238, G04F 1000

Patent

active

054368537

ABSTRACT:
A remote control signal processing circuit uses hardware to check the pulse of the remote control signal, detect the leader code, and make "0" or "1" judgment for status code or data code. Based on the edge detection signals given by the edge detection circuit to detect the leading and trailing edges of the signal, the pulse width of the remote control signal is measured with a timer, and the measurement value of the pulse width is latched by a latch circuit. A check circuit compares the value latched at the latch circuit with the criteria stored in the register in advance for normal/abnormal judgment of pulse width and outputs a pulse error signal when they are not identical. Alternatively, the circuit may be provided with registers to store in advance criteria for logical "0" or "1" based on the pulse width of the remote control signal so that a judgment circuit compares the measurement value of the pulse width in the latch circuit and the criteria in the registers to judge whether the logical value is "0" or "1".

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patent: 5122978 (1992-06-01), Merrill
patent: 5134632 (1992-07-01), Fletcher et al.

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