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Class Information
Number: 368/84
Name: Horology: time measuring systems or devices > Chronological > With electro-optical display > Liquid crystal display (i.e., lcd)
Description: Subject matter wherein a change in the optical properties of the display material is caused by an electrical voltage and results in the reflection or transmission of visible radiation.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8547800 Clock display device Oct. 1, 2013
8194222 Display device and timepiece Jun. 5, 2012
8164984 Time piece with LED light means Apr. 24, 2012
8149650 Wearable electronic device with secondary digital display Apr. 3, 2012
8111589 Digital wristwatch, digital watch, and digital clock Feb. 7, 2012
7505370 Clock display Mar. 17, 2009
7271503 Power supply circuit including stably operating voltage regulators Sep. 18, 2007
7136138 Liquid crystal display device Nov. 14, 2006
7042809 Method and device for recognizing manually traced characters on an input zone May. 9, 2006
7009915 Compact color changing LCD watch Mar. 7, 2006
6995739 Variable color display and articles incorporating same Feb. 7, 2006
6982931 Timepiece Jan. 3, 2006
6965543 Radio controllable clock Nov. 15, 2005
6882596 Manual control device for executing functions of an electronic watch Apr. 19, 2005
6798721 Electronic timepiece Sep. 28, 2004
6760003 Miniature electronic device Jul. 6, 2004
6714488 Kinetichrome Mar. 30, 2004
6690623 Multi-functional time indicating device with a multi-colored fiber optic display Feb. 10, 2004
6683822 Time display device Jan. 27, 2004
6678217 Display assembly with chromatic contrast inversion Jan. 13, 2004
6661743 Electronic device with display section Dec. 9, 2003
6643224 Timepiece including multiple liquid crystal displays Nov. 4, 2003
6639875 Time piece with changable color face Oct. 28, 2003
6621766 Flexible timepiece in multiple environments Sep. 16, 2003
6618327 System and method for driving LCD displays Sep. 9, 2003
6603710 Method for making a display module including a liquid crystal and a single-face printed circuit, and module obtained via said method Aug. 5, 2003
6600527 Display assembly including two superposed display devices Jul. 29, 2003
6593901 Electronic device Jul. 15, 2003
6587399 Two-color liquid crystal display assembly Jul. 1, 2003
6587083 Display assembly including two superposed display devices Jul. 1, 2003
6545952 Ordered multichronographic time sequences Apr. 8, 2003
6519209 Display device and electronic watch Feb. 11, 2003
6515942 Display assembly including two superposed display devices Feb. 4, 2003
6504590 Liquid crystal display and timepiece Jan. 7, 2003
6437840 Display device having a light emitting element Aug. 20, 2002
6418085 Facilitated AM/PM hour settings of enhanced quadribalanced digital time displays Jul. 9, 2002
6414910 Timepiece Jul. 2, 2002
6391137 Method for producing display device May. 21, 2002
6388642 Bidirectional multispeed indexing control system May. 14, 2002
6330208 Watch with front mounted liquid crystal display and liquid crystal display with reflective sheet Dec. 11, 2001
6326883 Device for monitoring the delivery of a speech Dec. 4, 2001
6292439 Watch Sep. 18, 2001
6243259 Electronic member and electronic device Jun. 5, 2001
6201770 Electronic timepiece Mar. 13, 2001
6185161 Display device and electronic timepiece Feb. 6, 2001
6181648 Electronic watch equipped with solar cell Jan. 30, 2001
6169708 Timepiece Jan. 2, 2001
6158868 Night light with analog time piece Dec. 12, 2000
6147934 Display device and electronic watch Nov. 14, 2000
6060980 Appointment timer May. 9, 2000

1 2 3










 
 
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