Mini-disc laser power meter and method of making the same

Details Mini-disc laser power meter and method of making the same Mini-disc laser power meter and method of making the same

1998-12-15

1999-12-21

Font, Frank G.

Optics: measuring and testing

Photometers

356220, G01J 142

Patent

active

060056592

ABSTRACT:
A laser power meter of the present invention including a laser power sensor and a power meter module is used for measuring the power level of a laser source in a minidisc recorder/player. The laser power sensor includes a photodetector and a variable resistor electrically connected together and housed in a cartridge-like housing that is equivalent in dimension to a minidisc used in the minidisc recorder/player. The laser power sensor is inserted into the minidisc recorder/player like a regular minidisc, thus allowing laser power readings without disassembling the recorder/player.

REFERENCES:
patent: 3966325 (1976-06-01), Mohler
patent: 5307326 (1994-04-01), Osawa
Leader.RTM. Laser Power Meter Model LPM-8001 Instruction Manual.

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