Laser distance measuring device

Details Laser distance measuring device Laser distance measuring device

2006-07-11

2006-07-11

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S005110, C356S005120, C356S005150

Reexamination Certificate

active

07075626

ABSTRACT:
The invention is based on a laser range finder that has a transmitter unit (10) with at least one laser, a receiver unit (12), and a single sideband modulation unit (14) that can use a first single sideband modulation frequency (ZF1) generated by an oscillator unit (16) and a carrier frequency (T1) to generate a modulation frequency (S1) of the transmitter unit (10).According to the invention, the oscillator unit (16) can generate at least one additional frequency (ZF2) and the single sideband modulation unit (14) can use the additional frequency (ZF2) to generate a demodulation frequency (S2) of the receiver unit (12).

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patent: 5400130 (1995-03-01), Tsujimoto
patent: 5920840 (1999-07-01), Satyamurti et al.
patent: 6147763 (2000-11-01), Steinlechner
patent: 00/33104 (2000-06-01), None
patent: 00 33104 (2000-06-01), None

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