6,917,680 Apparatus for disabling a telephone ringer
  Issued: July 12, 2005
  Filed: February 11, 1999
  U.S. Class: 379/373.01
Abstract:  An apparatus for disabling a telephone ringer includes a light sensing device operable to produce a signal indicative of a level of ambient light; and a controller operable to receive the signal and disable the telephone ringer when the signal indicates that the ambient light has reached a predetermined level.

Posted by GEN-ERIC at 11:13:09 am into the following categories: Patents of the Day

---

http://gen-eric.com/patents/htsrv/trackback.php/301

Name:

Email: (not displayed on this site)

Site/Url:

Comment text:

Allowed XHTML tags: <p, ul, ol, li, dl, dt, dd, address, blockquote, ins, del, a, span, bdo, br, em, strong, dfn, code, samp, kdb, var, cite, abbr, acronym, q, sub, sup, tt, i, b, big, small>

URLs, email, AIM and ICQs will be converted automatically.

Options:
Auto-BR (Line breaks become <br />)
Remember me (Set cookies for name, email & url)