Analog laser receiver for determining the position of incidence

Details Analog laser receiver for determining the position of incidence Analog laser receiver for determining the position of incidence

1990-02-15

1991-07-09

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502082, 356 4, 356400, G01N 2186, G01C 308

Patent

active

050308408

ABSTRACT:
An analog laser receiver for determining the position of incidence of a beam of laser light thereon is a device having a number of detectors aligned in a direction and circuitry which generates an output signal representative of which detectors detected the incident laser light. In a preferred embodiment of this device, a series circuit of an amplifier and a pulse generator is connected between each detector and a corresponding junction of a resistor ladder network. A synchronization circuit may also be provided to synchronize the outputs of the pulse generators.

REFERENCES:
patent: 3649122 (1972-03-01), Holtz
patent: 3894230 (1975-07-01), Rorden et al.
patent: 3972622 (1976-08-01), Mason et al.
patent: 4566788 (1986-01-01), Buczek
patent: 4730920 (1988-03-01), Schlemmer et al.
patent: 4767634 (1987-06-01), Petersen
patent: 4907874 (1990-03-01), Ake
patent: 4912643 (1990-03-01), Beirxe
patent: 4945221 (1990-07-01), Nielsen et al.

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