The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2026
Filed:
Jul. 30, 2024
Shanghai Lamshine Co., Ltd, Shanghai, CN;
SHANGHAI LAMSHINE CO., LTD, Shanghai, CN;
Abstract
Disclosed are a green laser phase rangefinder and a ranging method, which relate to the field of laser ranging. The rangefinder includes a direct digital synthesizer (DDS), a frequency mixing filter circuit, a microcontroller unit (MCU), a first amplifier circuit, an analog switch, a first laser beam module, a second laser beam module, a second amplifier circuit, an avalanche photodiode, a third amplifier circuit and band pass filter circuit, an analog-to-digital converter (ADC) module, a receiving lens, and a high-voltage circuit. A green laser diode is arranged in the first laser beam module; and a red laser diode is arranged in the second laser beam module. In the present disclosure, the green laser diode and the red laser diode are combined to implement ranging. The present disclosure features low power consumption, low costs, and high measurement accuracy.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile