| Patents for G04B 25 - Indicating the time by other means or by combined means (457) |
|---|
| 07/06/1994 | CN2171128Y Pillow with electronic alarm clock device |
| 06/14/1994 | US5321669 Aromatic alarm clock system |
| 05/10/1994 | US5311487 Touch sensitive time indicator |
| 03/09/1994 | EP0585470A1 Electronic machine with vibratory alarm |
| 02/01/1994 | US5283769 Clock |
| 01/25/1994 | US5282181 Silent alarm timepiece |
| 01/05/1994 | DE4220573A1 Striking and ringing indicator esp. for Black Forest clock - has striking and ringing switching-off lever carrier arranged in dial plane |
| 12/15/1993 | CN2149647Y Means for waking up deaf person |
| 11/24/1993 | CN2147563Y Multi-function alarm clock |
| 10/06/1993 | EP0564407A1 Pocket- or wristwatch |
| 09/30/1993 | WO1993019404A1 Electronic machine with vibratory alarm |
| 09/15/1993 | CN2142210Y Soundless alarm electronic watch |
| 06/23/1993 | EP0547250A1 Timepiece equipped with silent alarm |
| 03/24/1993 | EP0532580A1 Clock. |
| 01/21/1993 | WO1993001532A1 Timepiece equipped with silent alarm |
| 01/13/1993 | EP0522644A1 Electromechanical wristwatch with reading by touch |
| 11/03/1992 | US5161130 Clock with openable dial pieces |
| 09/01/1992 | US5144600 Arrangement for and method of waking a sleeper |
| 06/23/1992 | US5124959 Hour chime clock |
| 06/17/1992 | EP0490666A2 Low energy animated time piece |
| 06/17/1992 | CN2107667U Soundless remind wrist watch |
| 06/12/1992 | CA2057333A1 Low energy animated time piece |
| 05/29/1992 | WO1992009015A1 Alarm clock |
| 05/14/1992 | DE4035942A1 Weckuhr Alarm clock |
| 04/29/1992 | CN2103155U Multifunction quartz clock without hand for blind person |
| 04/23/1992 | DE4033075A1 Signal or alarm generator - is designed to emit smell using diaphragm to pump scented air from chamber |
| 04/22/1992 | CN2102529U Electronic wrist watch |
| 02/18/1992 | US5089998 Vibrating and audible alarm clock |
| 01/01/1992 | CN2092113U Time signaling clock giving chinese pronunciation |
| 12/12/1991 | WO1991019234A1 Clock |
| 09/10/1991 | US5047998 Timepiece with mobile decorations |
| 09/04/1990 | US4953763 Animal scent dispensing apparatus |
| 07/10/1990 | US4941137 Timepiece with mobile decorations |
| 01/03/1990 | CN2050624U Watch for the blind and deaf |
| 03/29/1989 | CN2035103U Multi-function electronic alarm clock for deaf-mute |
| 12/21/1988 | CN87216263U Tactile impression type watch for blind person |
| 03/30/1988 | CN87207708U Touching type double calendar watch for blind person |
| 03/16/1988 | CN87206722U Noiseless alarm-watch |
| 07/14/1987 | US4679943 Scent clock bimetallic device |
| 02/24/1987 | US4645353 Scent clock alarm device |
| 03/04/1986 | US4573804 Scent-awake electronic clock |
| 09/18/1984 | US4472065 Time read-out device for electronic clocks |
| 06/26/1984 | US4456387 Electronic alarm wrist watch |
| 12/20/1983 | US4421420 Electronic timepiece with animation |
| 12/20/1983 | US4421415 Coin clock |
| 10/04/1983 | US4407585 Scent-awake clock |
| 06/28/1983 | CA1148753A1 Clock apparatus |
| 01/25/1983 | US4370064 Counting device with ball actuated aligned rotatable indicating elements |
| 08/18/1981 | US4285028 Bedroom lamp with clock operated lamp switch |
| 07/21/1981 | US4280211 Clock apparatus |
| 02/20/1980 | EP0008298A1 Multiple character word indication system employing sequential sensible indicia |
| 01/22/1980 | US4185283 Multiple character word indication system employing sequential sensible indicia |
| 10/16/1979 | CA1064446A2 Date printing device with electronic calendar |
| 07/26/1979 | WO1979000486A1 Multiple character word indication system employing sequential sensible indicia |
| 07/04/1978 | US4098068 Cuckoo clock |
| 06/14/1977 | US4028882 Awakening system with means adapted to relax tense muscles |
| 02/17/1976 | US3938317 Serial time read out apparatus |