Patents
Patents for G04G 13 - Producing acoustic time signals (1,738)
09/2000
09/13/2000EP0838046B1 Method and device for waking people sleeping before the rem-phase of a short recovery sleep
09/06/2000EP0889382B1 Alarm clock
08/2000
08/30/2000EP1030641A1 System for producing a signal perceptible by a person and according to her needs
08/29/2000US6111495 Alert device
07/2000
07/26/2000CN2389383Y Multi-function computer automatic alarming clock
07/04/2000US6081949 Pillow with incorporated alarm system
06/2000
06/30/2000CA2257060A1 Talking alarm clock
06/28/2000EP1011606A1 Timer apparatus for alerting at times for taking medicines
06/20/2000US6078852 Method and device for administering wake times
06/20/2000US6078126 Resonant piezoelectric alerting device
05/2000
05/23/2000US6067006 Personal audible alarm
05/17/2000CN1052547C Clock with changable time displayer, especially alarm clock with digital alarm displayer
04/2000
04/19/2000CN2374875Y Timer for fast reading
04/05/2000EP0990196A1 Projection clock
03/2000
03/07/2000US6035047 System to block unwanted sound waves and alert while sleeping
03/07/2000US6034591 Alarm clock with time activated and speed controlled vehicle device
03/01/2000EP0653086B1 Device for the monitoring of a critical deadline
02/2000
02/23/2000CN1049746C Timepiece comprising electro-acoustic transducer
02/09/2000CN1049311C Radio receiving
01/2000
01/12/2000CN2358472Y Timber
01/12/2000CN1241322A Actuator, and clock and annunciator mounted with same
01/11/2000US6014347 Device capable of being submerged and including an acoustic transducer
01/11/2000US6014345 Apparatus and system for damping external noises with means for producing sound and preventing oversleeping
12/1999
12/28/1999US6009048 Novelty radio-alarm clock
12/28/1999US6008720 Portable timer alarm device with ear attachment
12/09/1999WO1999063604A1 Resonant piezoelectric alerting device
12/08/1999EP0963033A1 Actuator, and clock and annunciator mounted with the same
12/07/1999US5999494 Data recorder
11/1999
11/30/1999US5995455 Alarm timer device
11/30/1999US5995454 Computer system with alarm power-on function and automatic starting method thereof
11/23/1999US5991240 Alarm clock with automatic time/date setting feature
11/03/1999CN2347194Y Voice imitating timer
10/1999
10/28/1999DE19818348A1 Alarm clock control method for persons going to work
10/21/1999WO1999053455A1 Method of producing alarm signals
10/13/1999CN2343608Y Infrared remote-controlled digital clock
10/12/1999US5966346 Alarm clock
10/06/1999CN1045493C 闹钟 Alarm Clock
09/1999
09/22/1999CN2340013Y Multifunction electronic promptor
09/16/1999DE19811206A1 Sleep-controlled alarm system for monitoring physiological parameters during rest
08/1999
08/31/1999US5945772 Damped resonant piezoelectric alerting device
08/25/1999EP0938034A1 Non-sonic alarm device
08/17/1999US5940348 Electronic timepiece
07/1999
07/20/1999US5926442 Alarm clock system incorporating a game of skill
06/1999
06/24/1999DE19758341A1 Clock radio with temperature display
06/08/1999US5910931 Automobile inspection reminder
05/1999
05/26/1999CN1043489C Vibration promptor
05/20/1999WO1999023995A1 aluminium electrolytic capacitor
05/20/1999DE19750139A1 System zum bedarfsabhängigen Erzeugen eines von einer Person wahrnehmbaren Signals System for demand-dependent generating a perceptible signal by a person
04/1999
04/28/1999CN1214966A Device capable of immersing and containing one sound transducer
04/13/1999US5894455 Alarm clock system with ear insert
04/08/1999DE19743847A1 Sleep and wake-up system
03/1999
03/25/1999DE19741793A1 Clock radio alarm device, using prerecorded radio broadcast to wake sleeper
03/23/1999US5886955 Personal electronic clock related device with a limited automatic multiple recall alarm suspension control means
03/23/1999US5886953 Heavy-load drive apparatus for an electronic watch
03/23/1999US5886952 Alarm clock remote control system
03/16/1999US5883859 Alarm clock housing with lockable keypad enclosure
03/09/1999US5881025 Information display apparatus
03/02/1999US5878004 Electronic equipment with vibration alarm
02/1999
02/11/1999WO1999007063A1 Actuator, and clock and annunciator mounted with the same
01/1999
01/07/1999EP0889382A1 Alarm clock
01/07/1999DE19825482A1 DCF 77 transmitter-controlled radio clock
12/1998
12/30/1998EP0887717A1 Vibrating device alarm clock
12/23/1998WO1998058298A1 Projection clock
12/08/1998US5847648 Alarm and intermittent alert system for vehicle operation
10/1998
10/22/1998DE19715793A1 Alarm system with clock and waking signal transmitted spatially separately
10/01/1998WO1998042295A1 Timer apparatus for alerting at times for taking medicines
08/1998
08/26/1998EP0860757A1 Electronic timepiece
07/1998
07/23/1998DE19701581A1 Weather dependent wake up alarm time adjustment device
07/15/1998CN1187644A Alarm clock
06/1998
06/24/1998EP0849652A1 Method for managing time-controlled operations and device for performing said method
06/09/1998US5764594 Silent alarm clock
06/09/1998US5764153 Pressure controlled alarm clock system
04/1998
04/29/1998EP0838046A1 Method and device for waking people sleeping in a given state of sleep
04/28/1998CA2047261C Digital low-power programmable alarm clock for use with reflectance photometer instruments and the like
04/23/1998DE19745596A1 Electronic switch esp. radio synchronised time switch for bell ringing apparatus
04/23/1998DE19642316A1 Alarm system for waking sleeping person
04/07/1998US5737692 Clock radio system with remote alert device
03/1998
03/05/1998WO1998009202A1 Electronic timepiece
03/03/1998US5722887 Automatic program ventilation control system
01/1998
01/14/1998EP0818719A1 Heavy load driving device for electronic timepiece
01/13/1998US5708627 Electronic clock and calendar apparatus with audio message recording and playback
01/06/1998US5706258 Timed repeating instructions apparatus and method
11/1997
11/11/1997US5686882 Electrical alarm clock
10/1997
10/30/1997DE19704916A1 Vehicle driver information system
10/16/1997WO1997038359A1 Method and device for waking people sleeping in a given state of sleep
10/16/1997DE19614790A1 Vorrichtung und Verfahren zum Wecken von Schlafenden in einem bestimmten Schlafzustand Apparatus and method for waking up from sleeping in a particular sleep state
10/15/1997EP0771455A4 Reminder device
09/1997
09/25/1997WO1997035238A1 Alarm clock
09/16/1997US5668783 For use in an alarm
09/11/1997DE19652617C1 Alarm time generation method for automobile control devices
09/10/1997EP0585470B1 Electronic machine with vibration alarm
09/09/1997US5666331 Alarm clock
07/1997
07/30/1997EP0705455B1 Data recording device
06/1997
06/03/1997US5635788 Control circuit for a piezoelectric vibrator
05/1997
05/21/1997CN2254562Y Multiple alarming electronic clock
05/20/1997US5632026 System and method for managing the routine execution in a computer system
05/15/1997WO1997017636A1 Heavy load driving device for electronic timepiece
05/15/1997DE19541727A1 Time alarm with portable alarm signal receiver
05/07/1997EP0771455A1 Reminder device
04/1997
04/08/1997US5619477 Clock with target time entry system
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