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