| US 7,612,682 B2 | ||
| Locator with removable antenna portion | ||
| Greg Staples, Stinson Beach, Calif. (US); George Crothall, San Jose, Calif. (US); and James W. Walte, Los Gatos, Calif. (US) | ||
| Assigned to Metrotech Corporation, Santa Clara, Calif. (US) | ||
| Filed on May 31, 2006, as Appl. No. 11/445,085. | ||
| Claims priority of provisional application 60/688489, filed on Jun. 07, 2005. | ||
| Prior Publication US 2007/0013379 A1, Jan. 18, 2007 | ||
| Int. Cl. G08B 21/00 (2006.01) | ||
| U.S. Cl. 340—657 [340/691.6; 340/693.9] | 9 Claims |
| 1. A locator that locates underground objects, comprising:
a base module; and
an antenna module,
wherein the base module and the antenna module are electrically and mechanically coupled in a removable fashion to form the
locator; and
wherein the locator is able to locate underground objects only when the base module and the antenna module are coupled.
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