04052656 is referenced by 33 patents and cites 3 patents.

Apparatus and method for charging storage batteries by continuously sensing particular battery parameters and controlling the charging current in response thereto to charge a single battery, or a string of batteries. The batteries are charged in a charging cycle including a high charging current stage, a controlled charge tapering stage, and a finishing current stage so that the batteries are charged in as short a time as possible without injuring the batteries regardless of their age or condition.

Title
Battery charging system
Application Number
462752
Publication Number
4052656
Application Date
August 14, 1975
Publication Date
October 4, 1977
Inventor
Donald P Wilson
1005 Riviera Drive, Pasadena, 91107
CA, US
Maurice Lavell
2117 Larkwood St., West Covina, 91790
CA, US
Agent
Fulwider Patton Rieber Lee & Utecht
IPC
H02J 7/04
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